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8 big differences between the US and UK PhD experience

And one important similarity. 

Helen Robertson

Credit: Malte Mueller/Getty

And one important similarity.

11 March 2020

Malte Mueller/Getty

In 2019, I took a risk by moving halfway around the world as a postdoctoral researcher in molecular evolution.

Since then, I’ve been struck by how different the grad school experience is here at the University of Chicago in the US, compared with my time at the University College London in the UK, where I completed my PhD in 2017.

Here’s what I’ve noticed:

1. UK grad school interviews are shorter and more lab-specific

In the UK, you’re likely to apply directly to a lab for an advertised project or one that you develop with your supervisor.

In the US, the application process is more centralized. You usually apply to a school instead of a lab. Some programs even require you to take a standardized Graduate Entry Program test, though this seems to be on the decline .

Grad school interviews in the US tend to be longer. They can involve a series of interviews, tours, and faculty events over a number of days.

2. In the US, a work-life balance is harder to achieve

I’ve been surprised by how all-encompassing a US doctorate can be. Even after the first year of teaching, the number of seminars, journal clubs, and university-related activities make the US PhD experience very grad school-centric.

I was fortunate during my UK-based PhD to approach it more like a full-time job than a continuation of my masters year. There were intense periods that required late nights in the lab, but I had time to pursue other interests , which provided some balance and made me more productive at work.

Of course, it’s difficult to generalize about working patterns. Demanding schedules are not wholly dictated by the country you’re studying in. A recent study found that 76% of surveyed grad students spent more than 41 hours a week on their project.

3. It takes longer to complete a PhD in the US

Probably the best-known difference is the time it takes to complete a PhD.

UK PhD programs tend towards three years in length, although it’s increasingly getting closer to four years – a trend that might soon be reflected in funding arrangements .

It’s a different story in the US, where, according to the Survey of Earned Doctorates , students take an average of 5.7 years to graduate.

4. UK PhD fees tend to be lower

Fees err on the more expensive side in the US, as they do for undergraduate degrees – although this isn’t always true for international students.

US PhD fees, coupled with the longer study time, means that the costs associated with grad school are generally higher than in the UK, even before living costs are considered.

If you have a funding body attached to your project, it will likely pay your tuition fees as part of its finance package. But this flags a major difference between the two countries: funding and scholarships.

5. Many US students need to apply for their own funding

From my understanding, most advertised science-based PhD projects in the UK are attached to funding, which covers tuition fees, bench costs, and living expenses. The tax-free PhD stipend set by all UK Research Councils is £15,285 (approximately US$20,000), although other funding bodies pay more.

In the US, there is no national funding level – your level of financial support will be dictated by your school or lab. This means there is generally much more encouragement for US PhD students to apply for their own funding than there is in the UK.

This is good experience for a future scientific career, but if you have to work additional hours to supplement scholarships, you’ll ultimately end up with less time for your project.

6. US PhD programs are more structured

This is particularly true in the first year for US PhDs, which includes lectures, exams, and lab rotations. Only at the end of the first year, after passing your qualifying exam, do you have the opportunity to pick the lab you’re going to pursue your PhD research in.

In the UK, I started in the lab that I spent the duration of my studies in. This meant no structured classes or rotations in my first year, and I began my own research right away.

PhDs that are run through a Doctoral Training Centre (DTC) – centres that manage the Research Council-funded PhD degrees – are increasingly popular in the UK, and include classes and rotations during the first year, but often without the frequent exams and coursework that characterize grad school in the US.

7. There is more focus on defending your thesis in the UK

Writing my thesis was the final hurdle of my UK PhD experience. It gave me the opportunity to document my ideas, successes (and failures), and the context of my project. I defended my thesis in a closed session with two examiners: one internal to my institution, and one external.

From what I’ve seen, finishing a doctorate in the US is less focused on a thesis. Instead, your committee determines that you have completed sufficient work and skill attainment to warrant your defense. Only then can you write your thesis, and defend it in a public session.

In the UK, it’s unlikely you’ll know your examiners well, but a US PhD defense is assessed by the same thesis committee that have known you for the duration of your studies.

8. Teaching is an added bonus in the UK

My UK PhD funding set no teaching requirements: instead, I was free to teach labs and mark coursework at the discretion of my supervisor. And I was paid for any teaching hours I did.

Teaching requirements in the US vary from school to school. For some students, working as a teaching assistant is necessary to pay fees and living expenses – particularly if you don’t have comprehensive funding.

There might also be minimum teaching requirements for the duration of your PhD in the US. In this respect, the time commitment and financial compensation of teaching is very institution-specific.

One important similarity: The lab you join will determine your experience

Despite the differences in structure and requirements between UK and US PhDs, one thing that is common to them all is that, ultimately, your PhD is going to be shaped by the lab you decide to join.

If have a positive working environment and appropriate guidance and support from your supervisor, and you’re interested in and motivated by your thesis topic, then your grad school experience will likely be rewarding.

And that’s true regardless of the country you’re studying in.

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How Long Is a PHD UK?

• Katie Baker
• July 31, 2024

For full-time students, a PhD in the UK typically takes three to four years. For PhD candidates who opt to study their doctoral research around work or other commitments, completing a PhD can take six to seven years. Thesis deadline extensions can be granted for up to four years; however, this will always be at the university’s discretion. 

Whether you want to complete your PhD in the UK full-time or part-time; it is a big commitment, which shouldn’t be taken lightly. The gratification may not be immediate, but the rewards can be lifelong when considering the professional careers that are more accessible for PhD holders, the increased earning potential and the sense of satisfaction that comes with creating unique knowledge and gaining a title only a minute fraction of the global population will only acquire.

How Long Is a PhD UK?

In addition to the average durations for part-time and full-time PhD study, there are additional time limits on how long students can be enrolled on a PhD program; this applies to students who have self-proposed their research idea and students who have been selected for a PhD program with pre-defined aims and objectives.

Full-Time and Part-Time PhDs in the UK

Typically, from start to finish, a full-time PhD in the UK will take 3 – 4 years to complete. Most full-time PhD students will spend the first three years undertaking independent research with the support of PhD supervisors, designing research methodology, collating data and analysing it. Most students will then take an additional academic year to write their thesis and sit their oral examination.

Of course, these timelines will vary with every PhD candidate. Some PhD students start their doctoral research with a solid idea of how they will approach their methodology and thesis, while others will need to go through more of a process of trial and error. Some PhD students get to the writing up stage quicker than others, writing a thesis should never be a race to the finish; doctoral research is a valuable and vital contribution to academic knowledge.

More often than not, it is a once-in-a-lifetime opportunity to dedicate your time and energy to research. Although, it isn’t unheard of for people to have multiple PhDs.

For part-time PhD students, researching, collecting data and outlining it concisely in your thesis typically takes twice as long. This timeframe is based on the assumption that part-time PhD students will dedicate 20 hours weekly to their doctoral research, while full-time students will, on average, spend 40 hours a week on their PhD. 

Of course, there is no clocking in or out when you are a PhD student. The vast majority of your time will be spent partaking in independent research, and there will always be periods that are busier than others. Many PhD students find that the writing-up stage is the busiest. 

How Long is a PhD for Distance Learners in the UK?

Completing a PhD by distance learning is similar to being a part-time PhD student. Many distance-learning doctoral students need six to seven years on average to finish their research, thesis, and viva. This timeframe typically boils down to how much time PhD candidates need to spend commuting to universities, which usually restricts the ability for full-time learning. 

The duration for distance learners is also highly dependent on the research in question. For example, PhD students digging into STEM research will take longer to complete their doctoral degrees – compared to those conducting research into non-STEM disciplines, such as the arts, humanities and social sciences. For non-STEM disciplines, students can conduct the majority of their research remotely, whereas STEM students will need access to labs or other equipment to carry out their experimental work. 

Does Funding Affect PhD Duration in the UK?

In an ideal world, funding wouldn’t affect how much time a PhD student can dedicate to their research and thesis. Unfortunately, for many full-time, part-time, and distance-learning PhD students, funding is a primary factor in the duration of their studying.

Typically, funding and studentships will only cover PhD students for three and a half years for full-time students, while part-time students can expect funding for seven years at a rate of half the stipend. However, this depends on the program you have applied for, and who is providing the PhD funding. 

For example, if you are a physical sciences or engineering student and your funding is being paid by the EPSRC, you will need to follow the timescale which is indicated on their length of PhD Studentship guidelines. Due to this timeframe, most students funded by the Engineering and Physical Sciences Research Council aim to complete their PhD within 3.5 years. Failing to complete the PhD within the 3.5-year timeframe could incur additional fees, which need to be independently covered. 

Furthermore, several funded PhD positions and programs have additional components attached to the eligibility requirements that require PhD students to undertake duties such as undergraduate teaching, laboratory session hosting or attendance at conferences and presentations. Even though these additional conditions shouldn’t prolong the duration of your PhD to an excessive degree, they can marginally add to the time it takes to complete a PhD program. For PhD candidates with these kinds of studentships and funding agreements, it is vital to have exceptional time management skills. 

Finally, self-funded PhD students can also feel constricted by their financial situations and feel the pressure to complete a PhD quicker than students who enjoy the security of attached funding. In addition to annual tuition fees, there are other associated costs and living expenses to account for. However, this isn’t always the case; some self-funded PhD students feel free to take their time to ensure their research is as valuable as possible.

PhD Deadlines in the UK

Each university in the UK has its way of setting deadlines. However, typically, the PhD deadline for full-time and part-time students is the date by which you need to submit your final thesis. 

For most UK universities, the deadline date is four years on from the start of your doctoral degree for full-time students and seven years for part-time PhD students. The start date will be when you were registered for the PhD program. Some UK universities also opt to set a minimum period of years or adjust the timeframe around relevant integrated studies.

Can PhDs Be Completed Faster Than the Average Timeframes?

While full-time students can complete their PhDs within two years or even 12 months from enrolling on their program, it certainly isn’t something that you should realistically aim for. Completing a PhD in under three years is a significant achievement, so much so that it is rarely heard of in the UK. 

The only students who have managed to complete their PhD thesis and pass their viva are students who enrolled on a program with extensive pre-existing experience and knowledge.

It is marginally more common for part-time students to complete their PhD in under six years. This largely depends on existing experience and knowledge and which commitments you are studying around. If you are a PhD student with part-time employment, it is highly unlikely that you will have the time to complete your PhD a year sooner; attempting such an achievement could leave you at risk of burnout. Alternatively, if you are a freelancer and your workflow often permits you to dedicate more time to your PhD, it can be possible for you to allocate more time to your research and writing.

Other Factors in the Rate of Progression for PhD Students

Many international students who choose a UK university to complete their doctoral research wonder if it will take longer to complete their PhD compared to domestic students. The good news is, as an international student in the UK, there is no indicative data to dictate that your period of study will be longer. 

Similarly, students who chose direct entry into a PhD program from a bachelor’s degree instead of studying a master’s degree beforehand are often anxious that they will find it hard to keep pace with their master’s degree-holding counterparts. Again, no evidence only holding an undergraduate degree will limit the rate of progression. A PhD differs from a bachelor’s and most master’s degrees due to its independent research focus; there are no right answers or curriculums to follow. With that being said, studying a Master’s degree before a PhD could help you to get more acquainted with a speciality topic, which was only briefly introduced to you in your bachelor’s degree.

EU & US vs UK PhD Durations

UK PhD programs follow the same structure and timeframes as European PhD programs. However, there is a slight difference compared to US PhD programs, which take longer to complete, based on a 2017 study. The study revealed that it takes 5.8 years on average to complete a PhD in the US.

The average timeframe is even longer when looking at arts and humanities PhDs in the US; they typically take 7.1 years to obtain. The primary reason for this is the additional directed study requirements imposed on US PhD candidates.

Is a PhD worth it?

So, you might be asking yourself, is a PhD worth it ? Well, that’s subjective. career prospects for students upon finishing their PhD will be influenced by the nature of their research as well as their prior experiences and skills. While we can’t outline all potential job opportunities, it’s important to recognise that numerous diverse paths and organisations typically seek individuals with specialised expertise and advanced educational qualifications.

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A PhD (Doctor of Philosophy) is the most common type of doctoral degree and the highest level of academic qualification you can achieve. 

It normally takes between three and four years of full-time work to complete. It is also possible to undertake a PhD part time, over five to six years.

The main activity of a PhD is to carry out an original research project under the direction of one or more supervisors, to be written up as a thesis.

Different routes to achieving a PhD

There are a number of ways to achieving a PhD at Imperial:

• by undertaking a course of study based on your own research proposal
• by joining a research project that comes with funding attached (known as a studentship)
• by combining it with Master's study in an integrated route that typically lasts four years

Pursuing your own research idea

To search for PhD opportunities based on your own research proposal you first need to identify a research group within Imperial whose area of expertise best matches your idea.

Use the links below to search the different PhD opportunities within our academic departments, centres and institutes. This includes information about current studentships and often guidance on finding a supervisor.

Our interdisciplinary approach means our expertise often spans departmental boundaries – and so do our courses – so you may find opportunities in an unexpected area of the university.

Faculty of Engineering

• Aeronautics
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• Department of Brain Sciences
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• Life Sciences
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Imperial College Business School

• Doctoral programme

Centre for Languages, Culture and Communication

• PhD in Arabic, German, Italian, Russian and Spanish Studies
• PhD in science communication studies

Global Challenge institutes

We have six Global Challenge institutes, which were created to address some of society's biggest challenges.

If you have an idea for a PhD that falls within the remit of one of our Global Challenge institutes please contact them directly to discuss before making a formal application.

• Data Science Institute
• Grantham Institute – Climate Change and the Environment
• Institute for Molecular Science and Engineering
• Institute for Security Science and Technology
• Institute of Global Health Innovation

Energy Futures Lab  does not offer PhD programmes, but does deliver the  MSc in Sustainable Energy Futures .

Joint Academy of Doctoral Studies | Imperial College London-Technical University of Munich

We have recently formed  a strategic partnership in education, research and innovation  with the Technical University of Munich, one of Germany’s most international and entrepreneurial universities, producing highly ranked research, like Imperial, in science, engineering and medicine.

As part of the partnership, Imperial and TUM have launched a 'Joint Academy of Doctoral Studies' with the aim of co-developing cross-disciplinary clusters of PhD students who will have access to world-leading academic supervisors and state-of-the art facilities at both institutions.

The first round of the programme will focus on the theme of 'Artificial Intelligence, Healthcare and Robotics'.

Find out more about the Joint Academy of Doctoral Studies and apply

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Doctor of Philosophy (PhD)

A PhD will typically take:

• three to four years of full-time study; or
• four to six years of part-time study.

You will normally need a postgraduate masters degree in a subject relevant to your proposed research programme. Some subject areas may consider applicants with a first/upper second class honours degree or equivalent.

Word length for the PhD thesis varies according to discipline, and is about 40,000 words for healthcare, science and engineering, or 80,000 for other subject areas. On completion it will be the subject of an oral examination, in which you will show how you have:

• critically investigated your area of research; and
• made an independent and original contribution to knowledge.

Initially, your admission will be provisional and subject to formal confirmation after your first year of study.

In exceptional circumstances, we may consider you for admission to a research degree without the conventional qualifications. If you have substantial relevant professional experience, including publications or written reports, the University will consider these as a potential alternative basis for an application for admission to a research degree programme.

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What is a PhD? Advice for PhD students

How long does it take to get a doctorate degree how do you get into grad school are you qualified to do a phd answers to these questions and more.

What is a PhD?

A PhD, which stands for “doctor of philosophy”, is the most advanced academic degree. It’s earned through extensive research on a specific topic, demonstrating expertise and contributing new knowledge to the field.

What does “PhD” mean?

The term “PhD” is often used as a synonym for any doctoral-level qualification. Doctorate degrees can often be split into two categories: MPhil and PhD.

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An MPhil is similar to a PhD as it includes a research element (which is usually shorter and less in-depth than a PhD thesis, and often more akin to a dissertation undertaken at undergraduate or master’s level). 

MPhil students focus more on interpreting existing knowledge and theory and critically evaluating other people’s work rather than producing their own research. The precise nature and definition of an MPhil can vary among institutions and countries. 

A PhD, meanwhile, follows a more widely known and traditional route and requires students, often referred to as “candidates”, to produce their own work and research on a new area or topic to a high academic standard.

PhD requirements vary significantly among countries and institutions. The PhD, once completed, grants the successful candidate the title of “doctor of philosophy”, also called PhD or DPhil.

What is a professional doctorate?

A professional doctorate is a kind of degree that helps people become experts in their fields. Instead of focusing mainly on theory and research like a regular PhD, a professional doctorate is all about practical skills and knowledge.

This kind of doctorate is great for students who want to get better at their jobs in areas like teaching, healthcare, business, law or psychology. The courses and projects in these programmes are designed to tackle real problems you might face at work.

For example, you might have heard of the doctor of education (EdD), doctor of business administration (DBA), doctor of psychology (PsyD) or doctor of nursing practice (DNP). These programmes combine learning, hands-on projects and sometimes a thesis paper or essay to show you’re skilled at solving on-the-job challenges.

How long does it take to study a PhD?

The time required to complete a PhD can vary significantly based on several factors. Generally, a full-time PhD programme takes around three to six years to finish. However, it’s important to take into account individual circumstances and the nature of the research involved.

1. Full-time vs. part-time: If you’re studying full-time, dedicating most of your time to your studies, it usually takes about three to four years to complete a PhD. However, studying part-time while managing other commitments might extend the duration. Part-time PhDs can take around six to eight years, and sometimes even longer.

2. Nature of research: The complexity of your research proposal can influence the time required. Certain research questions may involve intricate experiments, extensive data collection or in-depth analysis, potentially leading to a longer completion timeline.

3. Field of study: The subject area you’re researching can also affect the necessary time. Some fields, such as sciences or engineering, might involve more hands-on work, while theoretical subjects might require more time for literature review and analysis.

4. Supervision and support: The guidance and availability of your academic supervisor can affect the pace of your research progress. Regular meetings and effective communication can help keep your studies on track.

5. Thesis writing: While the research phase is crucial, the stage of writing your thesis is equally significant. Organising and presenting your research findings in a clear and cohesive manner can take several months.

6. External commitments: Personal commitments, such as work, family or health-related factors, can influence your study time. Some students need to balance these alongside their PhD studies, potentially extending the duration.

7. External Funding: The availability of funding can also affect your study duration. Some funding might be linked to specific project timelines or research objectives.

So, although a PhD usually takes between three and six years of full-time study, with potential variations based on research complexity, enrolment as part-time or full-time, field of study and personal circumstances. It’s vital to have a realistic understanding of these factors when planning your PhD journey.

How long is a PhD in the UK?

In the UK, the length of a PhD programme typically ranges from three to four years of full-time study. As explained above, there are many factors to consider.

How long is a PhD in the US?

Similarly to the UK, in the United States, the duration of a PhD programme can vary widely depending on the field of study, research topic and individual circumstances. On average, a full-time PhD programme in the US typically takes between five and six years to complete.

Why does it take longer to study a PhD in the US?

PhD programmes generally take longer to complete in the US than in the UK due to various factors in the education systems and programme structures of each country:

1. Programme structure: UK PhD programmes often emphasise early, focused research from the first year, leading to shorter completion times. In contrast, US programmes commonly include more initial coursework in your first and second year and broader foundational training, which can extend the overall duration.

2. Course work requirements: Many US PhD programmes require a lot of course work, which can lengthen the time needed to finish. UK programmes tend to have fewer or no course work demands, allowing students to concentrate primarily on research skills.

3. Research funding: In the UK, PhD funding is often awarded with specific timeframes in mind, motivating completion of the research degree in the agreed duration. In the US, funding approaches can vary, requiring students to secure funding from multiple sources, potentially affecting their progress and completion time.

4. Teaching responsibilities: Some US PhD students take on teaching roles as part of their funding, dividing their time and potentially prolonging their studies.

5. Research approach: Differences in research methodologies and project scopes can affect the time needed for data collection, experimentation and analysis.

6. Academic culture: The US education system values a well-rounded education, including coursework and comprehensive exams. This can extend the time before full-time research begins. UK PhD programmes often prioritise independent research early on.

7. Part-time and work commitments: US PhD candidates might have more flexibility for part-time work or other commitments, which can affect research progress.

8. Dissertation requirements: US PhD programmes generally include a longer and more comprehensive dissertation, involving more chapters and a broader exploration of the research topic.

These variations in programme structures, funding models and academic cultures contribute to the differing completion times between the two countries.

What qualifications do you need for a PhD?

To be eligible for a PhD programme, certain educational qualifications are generally expected by universities. These qualifications serve as indicators of your readiness to engage in advanced research and contribute to the academic community.

First, an undergraduate or bachelor’s degree in a relevant field is typically the most common requirement. This degree provides you with a foundational understanding of the subject and introduces you to basic research methodologies. It serves as a starting point for your academic journey.

Do you need a master’s degree to get into a PhD programme?

In addition to an undergraduate degree, many PhD programmes also require candidates to hold postgraduate or master’s degrees, often in fields related to the intended PhD research. A master’s degree offers a deeper exploration of the subject matter and enhances your research skills. Possessing a master’s degree signifies a higher level of expertise and specialisation.

The combination of both undergraduate and postgraduate degrees demonstrates a solid academic background. This background is crucial before you engage in doctoral study because pursuing a PhD involves more than just knowledge; it requires advanced research abilities, critical thinking and the capacity to provide an original contribution and new insights into the chosen field of study.

While these qualifications are usually requested, there are exceptions. Some institutions offer direct-entry programmes that encompass bachelor’s, master’s and PhD degrees in a streamlined structure. This approach is often seen in scientific and engineering disciplines rather than humanities.

In exceptional cases, outstanding performance during undergraduate studies, coupled with a well-defined research proposal, might lead to direct entry into a PhD programme without requiring a master’s degree.

Admission requirements can vary between universities and programmes. Some institutions might have more flexible prerequisites, while others could have more stringent criteria. Make sure that you thoroughly research all admission requirements of the PhD programmes you’re interested in to ensure you provide the right information.

Are PhD entry requirements similar in other countries?

PhD entry requirements in Canada and Australia can be somewhat similar to those in the UK and the US, but there are also some differences. Just like in the UK and the US, having a bachelor’s degree followed by a master’s degree is a common way to qualify for a PhD in Canada and Australia. However, the exact rules can vary, such as how much research experience you need or the grades you should have.

In Canada and Australia, as in the UK and the US, international students usually need to show their English language skills through tests like IELTS or TOEFL. And, like in other places, you might need to give a research proposal to explain what you want to study for your PhD.

But remember, even though there are some similarities, each country has its own rules.

PhD diary: Preparing for a PhD Nine things to know before doing a PhD Women in STEM: undertaking PhD research in cancer Studying for a part-time PhD: the challenges and the benefits Is it possible to do a three-year PhD as an international student? Looking for PhD tips? Why not check Twitter PhD diary: Where do I begin? How to do a PhD on a budget

How much does it cost to study a PhD?

The cost of pursuing a PhD can vary significantly between international and home (domestic) students, and it depends on the country, university and programme you choose.

United Kingdom (UK)

Home students in the UK often pay lower tuition fees compared with international students. Home students might also have access to government funding or subsidised tuition rates.

International students typically pay higher tuition fees, which can vary widely depending on the university and programme. Fees can range from around £10,000 to £25,000 or more per year.

United States (US)

PhD programme costs in the US can be quite high, especially for international students. Public universities often have lower tuition rates for in-state residents compared with out-of-state residents and international students.

Private universities in the US generally have higher tuition fees, and international students might be charged higher rates than domestic students.

Canadian universities often charge higher tuition fees for international students compared with domestic students.

Some universities offer funding packages that include tuition waivers and stipends for both domestic and international doctoral students.

In Australia, domestic students (Australian citizens and permanent residents) usually pay lower tuition fees than international students.

International students in Australia might have higher tuition fees, and costs can vary based on the university and programme.

Apart from tuition fees, other aspects play a role in the overall financial consideration:

PhD studentship: Many universities offer PhD studentships that provide financial support to research students, covering both tuition fees and a stipend for living expenses.

Stipend and housing: Stipends are designed to cover living expenses. Stipend amounts can vary depending on the university and location. If you’re studying in London in the UK, stipends might be higher to account for the higher living costs in the city. Some universities also offer subsidised or affordable housing options for doctoral students.

Tuition and stipend packages: Some PhD programmes provide funding packages that include both tuition waivers and stipends. These packages are to help relieve the financial burden on students during their doctoral studies.

Research the financial support options provided by the universities you’re interested in to make an informed decision about the cost of your PhD journey.

What funding options are available for PhD candidates?

PhD candidates have various funding options available to support their studies and research journeys. Some of these options include:

PhD scholarships: Scholarships are a common form of financial aid for PhD candidates. They are awarded based on academic merit, research potential or other specific criteria. Scholarships can cover tuition fees and provide a stipend for living expenses.

Bursaries: Bursaries are another form of financial assistance offered to students, including PhD candidates, based on financial need. They can help cover tuition fees or provide additional financial support.

In the UK, specific funding options are available:

Regional consortium: Some regions have research consortiums that offer funding opportunities for doctoral candidates. These collaborations can provide financial support for research projects aligned with specific regional needs.

UK research institute: Research councils in the UK often offer stipends to PhD candidates. These stipends cover living expenses and support research work.

University-based studentship: Many UK universities offer studentships. You can read more about these above.

In the USA, there are also funding options available:

Research assistantships (RAs): Many universities offer research assistantships where PhD candidates work on research projects under the guidance of faculty members. In exchange, they receive stipends and often have their tuition waived.

Teaching assistantships (TA): Teaching assistantships involve assisting professors in teaching undergraduate courses. In return, PhD candidates receive stipends and sometimes tuition remission.

Fellowships: Fellowships are competitive awards that provide financial support for PhD candidates. They can come from universities, government agencies, private foundations and other institutions. Fellowships can cover tuition, provide stipends and offer research or travel funds.

Graduate assistantships: Graduate assistantships include a range of roles, from research and teaching to administrative support. These positions often come with stipends and sometimes include tuition benefits.

External grants and fellowships: PhD candidates can apply for grants and fellowships from external organisations and foundations that support research careers in specific fields. Examples include the National Science Foundation (NSF) and the Fulbright Programme.

Employer sponsorship: In some cases, employers might sponsor employees to pursue PhDs, especially if the research aligns with the company’s interests.

You can read about the current available scholarships for international students of all education levels on our website .

What does a PhD Involve?

How does a PhD work?

A PhD includes thorough academic research and significant contributions to your chosen field of study. The timeline for completing a PhD can significantly vary based on the country, college or university you attend and the specific subject you study.

The duration of a PhD programme can vary based on factors such as the institution’s requirements and the academic discipline you’re pursuing. For instance, the timeline for a PhD in a science-related field might differ from that of a humanities discipline.

UK PhD timeline example

Looking at a typical PhD degree in a London higher education institution, we can consider this example timeline.

In the initial year of your PhD, you’ll collaborate closely with your designated academic supervisor. This collaboration involves refining and solidifying your research proposal, which lays the foundation for your entire doctoral journey.

This is also the time to establish a comprehensive plan, complete with well-defined milestones and deadlines. A crucial aspect of this year is conducting an extensive literature review, immersing yourself in existing academic works to understand the landscape of your chosen research area. It’s important to make sure that your research idea is original and distinct from prior studies.

As you begin the second year, you’ll actively collect data and gather information related to your research topic. Simultaneously, you’ll initiate the process of crafting your thesis. This involves combining your research findings and analysis into sections of your thesis document.

This is also the phase where you might have opportunities to share your research insights at academic meetings, conferences or workshops. Depending on the programme, you might even engage in teaching activities. Some PhD candidates also begin contributing to academic journals or books, showcasing their findings to a broader audience.

The third year of a PhD programme often marks the final stage of your research efforts. This is when you dedicate substantial time to writing and finalising your complete thesis. Once your thesis is completed to the highest standard, you’ll submit it for thorough evaluation.

A significant milestone in the third year is the viva voce, an oral examination where you’ll defend your thesis before a panel of experts in your field. The viva voce is an opportunity to showcase your deep understanding of your research and defend your findings.

Why should you do a PhD?

For many people, acquiring a doctorate degree is the pinnacle of academic achievement, the culmination of years of commitment to higher education.

However, the act of pursuing a PhD can be a complex, frustrating, expensive and time-consuming exercise. But with the right preparation, some sound advice and a thorough understanding of the task at hand, your years as a doctoral student can be some of the most rewarding of your life. 

People choose to work towards a doctorate for many reasons. If you are looking to pursue an academic position, such as university lecturer or researcher, then a PhD is usually required.

Many people obtain a PhD as part of a partnership with an employer, particularly in scientific fields such as engineering, where their research can prove useful for companies.

In some cases, however, PhDs are simply down to an individual’s love of a subject and their desire to learn more about their field.

What are some benefits of studying a PhD?

Pursuing a PhD can have many benefits that extend beyond academic achievement, encompassing personal growth, professional advancement and meaningful contributions to knowledge.

One of the most notable benefits of a PhD is the potential for tenure in academia. Attaining tenure provides a level of job security that allows you to delve into long-term research projects and make enduring contributions to your field. It signifies a stage where you can explore innovative ideas and pursue in-depth research, fostering your academic legacy.

While not obligatory, the opportunity to collaborate on research projects with your supervisor is another valuable aspect of a PhD pursuit. These collaborations might even come with financial compensation, offering real-world experience, skill development and practical applications of your research. Engaging in such collaborations can enrich your research portfolio and refine your research methodologies.

A pivotal aspect of a PhD journey is the chance to publish your original research findings. By disseminating your work in academic journals or presenting it at conferences, you contribute to the expansion of knowledge within your field. These publications establish your expertise and reputation among peers and researchers worldwide, leaving a lasting impact.

The pursuit of a PhD can provide a unique platform to build a diverse network of colleagues, mentors and collaborators. Engaging with fellow researchers, attending conferences and participating in academic events offer opportunities to make valuable connections. This network can lead to collaborations, expose you to a spectrum of perspectives and pave the way for future research endeavours.

What is a PhD thesis? And what is a PhD viva?

A PhD thesis will be produced with help from an academic supervisor, usually one with expertise in your particular field of study. This thesis is the backbone of a PhD, and is the candidate’s opportunity to communicate their original research to others in their field (and a wider audience).  PhD students also have to explain their research project and defend their thesis in front of a panel of academics. This part of the process is often the most challenging, since writing a thesis is a major part of many undergraduate or master’s degrees, but having to defend it from criticism in real time is arguably more daunting.  This questioning is known as a “viva”, and examiners will pay particular attention to a PhD’s weaknesses either in terms of methodology or findings. Candidates will be expected to have a strong understanding of their subject areas and be able to justify specific elements of their research quickly and succinctly.

In rare cases, students going for a PhD may instead be awarded an MPhil if the academic standard of their work is not considered fully up to par but still strong enough to be deserving of a qualification.

Can you do a PhD part time? 

Many PhD and MPhil candidates choose to pursue their qualification part time, in order to allow time to work and earn while studying. This is especially true of older students, who might be returning to academia after working for a few years. 

When applying, you should always speak to the admissions team at your university to ensure this is possible and then continue to work with your supervisor to balance all your commitments. 

Can I do a PhD through distance learning?

This is something else that you will need to check with your university. Some institutions offer this option, depending on the nature of your research. 

You will need to be clear how many times you will need to travel to your university to meet with your supervisor throughout your PhD. 

Your PhD supervisor

Choosing the right PhD supervisor is essential if you want to get the most out of your PhD. Do your research into the faculty at the institution and ensure that you meet with your proposed supervisor (either virtually or in person) before fully committing. 

You need to know that not only do they have the right expertise and understanding of your research but also that your personalities won’t clash throughout your PhD. 

Remember, to complete your PhD, you will need a strong support network in place, and your supervisor is a key part of that network. 

Coping with PhD stress

If you do decide to embark on a doctorate, you may well encounter stress and anxiety. The work involved is often carried out alone, the hours can be long and many students can suffer from the pressure they feel is on their shoulders.

Ensuring that you check in regularly with your emotions and your workload is crucial to avoid burnout. If you have other commitments, such as a job or a family, then learning to balance these can feel overwhelming at times. 

Give yourself regular breaks, speak to your supervisor and ensure that you know what university resources and support systems are available to you in case you need to access them. 

Post-doctorate: what happens after you finish your PhD?

Many PhD graduates pursue a career in academia, while others will work in industry. Some might take time out, if they can afford to, to recover from the efforts of PhD study.

Whatever you choose to do, undertaking a PhD is a huge task that can open up a range of doors professionally. Just remember to take some time out to celebrate your achievement. 

How does a PhD affect salary and earning potential?

How much does a professor with a PhD make a year?

Professors with PhDs can earn different amounts depending on where they work and their experience. In the UK, a professor might make around £50,000 to £100,000 or more each year. In the US, it's between about $60,000 and $200,000 or even higher. The exact salary depends on things like the place they work, if they have tenure, and what they teach.

How much does a PhD add to salary?

Having a PhD can make your salary higher than if you had a lower degree. But exactly how much more you earn can change. On average, people with PhDs earn more than those with bachelor’s or master’s degrees. The increase in salary is influenced by many things, such as the job you do, where you work and what field you’re in.

In fields such as research, healthcare, technology and finance, your knowledge and skills from your PhD can potentially help you secure a higher salary position.

In the end, having a PhD can boost your earning potential and open doors to well-paying jobs, including professorships and special roles in different areas. But the exact effect on your salary is influenced by many things, so ensure you weigh the cost against the benefit.

How to choose a PhD programme?

Choosing a PhD programme involves defining your research interest, researching supervisors and programme reputation, evaluating funding options, reviewing programme structure, considering available resources, assessing networking opportunities, factoring in location and career outcomes, visiting the campus if possible and trusting your instincts.

How can I find available PhD programmes?

You can find available PhD programmes by visiting university websites, using online directories such as “FindAPhD”, checking professional associations, networking with professors and students, following universities on social media, attending career fairs and conferences, contacting universities directly and exploring research institutes’ websites.

How to apply for a PhD programme?

To apply for a PhD programme:

Research and select universities aligned with your interests.

Contact potential supervisors, sharing your proposal, CV and references.

Prepare application materials: research proposal, CV, recommendation letters and a writing sample.

Ensure you meet academic and language-proficiency requirements.

Complete an online application through the university’s portal.

Pay any required application fees.

Write a statement of purpose explaining your motivations.

Provide official transcripts of your academic records.

Submit standardised test scores if needed.

Some programmes may require an interview.

The admissions committee reviews applications and decides.

Apply for scholarships or assistantships.

Upon acceptance, review and respond to the offer letter.

Plan travel, accommodation and logistics accordingly.

Remember to research and follow each university’s specific application guidelines and deadlines.

How to apply for a PhD as an international student?

Many stages of the PhD application process are the same for international students as domestic students. However, there are sometimes some additional steps:

International students should apply for a student visa.

Take language proficiency tests such as TOEFL or IELTS if required.

Provide certificates if needed to validate your previous degrees.

Show evidence of sufficient funds for tuition and living expenses.

Check if you need health insurance for your chosen destination.

Translate and authenticate academic transcripts if necessary.

Attend orientation sessions for cultural adaptation.

Apply for university housing or explore off-campus options.

Familiarise yourself with international student support services.

Ben Osborne, the postgraduate student recruitment manager at the University of Sussex explains in detail how to apply for a PhD in the UK .

Giulia Evolvi, a lecturer in media and communication at Erasmus University, Rotterdam explains how to apply for a PhD in the US .

Finally, Samiul Hossain explores the question Is it possible to do a three-year PhD as an international student?

Q. What is a PhD? A. A PhD is the highest level of academic degree awarded by universities, involving in-depth research and a substantial thesis.

Q. What does “PhD” mean? A. “PhD” stands for doctor of philosophy, recognising expertise in a field.

Q. What is a professional doctorate? A. A professional doctorate emphasises practical application in fields such as education or healthcare.

Q. How long does it take to study a PhD? A. It takes between three and six years to study a full-time PhD programme.

Q. How long is a PhD in the UK? A. It takes around three to four years to study a full-time UK PhD.

Q. How long is a PhD in the US? A. It takes approximately five to six years to complete a full-time US PhD.

Q. Why does it take longer to study a PhD in the US? A. US programmes often include more course work and broader training.

Q. What qualifications do you need for a PhD? A. You usually need an undergraduate degree as a minimum requirement, although a master’s might be preferred.

Q. Do you need a master’s degree to get into a PhD programme? A. Master’s degrees are preferred but not always required.

Q. Are PhD entry requirements similar in other countries? A. Entry requirements are similar in many countries, but there may be additional requirements. Make sure to check the university website for specific details.

Q. How much does it cost to study a PhD? A. The cost of PhD programmes vary by country and university.

Q. What funding options are available for PhD candidates? A. Scholarships, assistantships, fellowships, grants, stipends are all funding options for PhD candidates.

Q. What does a PhD involve? A. PhDs involve research, seminars, thesis, literature review, data analysis and a PhD viva.

Q. Why should you do a PhD? A. There are many reasons to study a PhD including personal growth, research skills, contributions to academia and professional development.

Q. What are some benefits of studying a PhD? A. Benefits of graduating with a PhD include achieving tenure, collaborations with colleagues, publication of your work, and networking opportunities.

Q. What is a PhD thesis? A. A PhD thesis is a comprehensive document that showcases the original research conducted by a PhD candidate.

Q. What is a PhD viva? A. A PhD viva, also known as a viva voce or oral examination, is the final evaluation of a PhD candidate’s research and thesis where the panel asks questions, engages in discussions and assesses the depth of the candidate’s understanding and expertise.

Q. Can you do a PhD part-time? A. Yes, part-time options are available for PhDs.

Q. Can I do a PhD through distance learning? A. Some universities offer online PhDs; you can find out more on their websites.

Q. How to choose a PhD programme? A. You can find PhD programmes through research, by contacting faculty, checking resources and considering location.

Q. How can I find available PhD programme? A. You can find available PhD programmes on university sites, through directories and by networking.

Q. How to apply for a PhD programme A. To apply for a PhD programme, research suitable universities and programmes, get in touch with potential supervisors, gather required documents like transcripts and reference letters, complete the online application, pay any necessary fees and submit a statement of purpose and research proposal. If needed, meet language-proficiency criteria and attend interviews. After acceptance, explore funding choices, confirm your spot and get ready for the programme’s start.

Q. How to apply for a PhD as an international student A. To apply for a PhD as an international student, follow similar steps to domestic students, but you need to include securing a student visa and passing language requirements.

Q. What is a PhD dropout rate? A. The dropout rate from PhDs varies but is approximately 30-40 per cent.

Q. How does a PhD affect salary and earning potential? A. A PhD can boost earning potential, especially in research, technology, healthcare and academia. Impact varies by job, industry and location. Experience, skills and demand also influence salary.

Q. How to address a person with a PhD? A. When addressing someone with a PhD, it’s respectful to use “Dr”, followed by their last name, whether they have a PhD in an academic field or a professional doctorate. For instance, “Dr. Smith”.

Q. Is there a difference between a PhD and a doctorate? A. The terms “PhD” and “doctorate” are often used interchangeably, though a PhD is a specific type of doctorate focused on original research. A doctorate can refer more broadly to any doctoral-level degree, including professional doctorates with practical applications.

Q. What is the difference between a PhD and an MD? A. A PhD is a doctor of philosophy, awarded for academic research, while an MD is a doctor of medicine, focusing on medical practice. They lead to different career paths and involve distinct areas of study.

Q. What is the difference between a PhD and a professional doctorate? A. A PhD is an academic research-focused degree, while a professional doctorate emphasises applying research to practical fields such as education or business. PhDs often involve original research, while professional doctorates focus on real-world application.

Q. What is the difference between UK and US PhDs? A. The difference between UK and US PhDs lies mainly in structure and duration. UK PhDs often have shorter durations and a stronger emphasis on independent research from an early stage. US PhDs typically include more initial coursework and broader foundational training before full-time research begins.

Q. What is the difference between a PhD student and a candidate? A. A PhD student is actively studying and researching in a doctoral programme, while a PhD candidate has completed programme requirements except for the dissertation and is close to completion.

Q. What’s the difference between a PhD and an EdD? A. A PhD and an EdD (doctor of education) differ in focus. A PhD emphasises research and academic contributions, while an EdD focuses on applying research to practical educational issues.

Q. What’s the difference between a PhD and a DBA? A. A PhD and a DBA (doctor of business administration) differ in purpose. A PhD emphasises theoretical research and academia, while a DBA is practice-oriented, aimed at solving real business problems.

Q. What’s the difference between a PhD and a PsyD? A. A PhD and a PsyD (doctor of psychology) differ in emphasis. A PhD focuses on research and academia, while a PsyD emphasises clinical practice and applying psychological knowledge.

Q. What’s the difference between a PhD and an LLD? A. A PhD and an LLD (doctor of laws or Legum doctor) are distinct. A PhD is awarded in various disciplines, while an LLD is usually an honorary degree for significant contributions to law.

Q. What’s the difference between a PhD and an MD-PhD? A. A PhD and an MD-PhD differ. An MD-PhD is a dual degree combining medical training (MD) with research training (PhD).

Q. What is the Cambridge PhD? A. A Cambridge PhD involves original research guided by a supervisor, resulting in a thesis. It’s offered at the University of Cambridge .

Q. What is the Oxford DPhil? A. An Oxford DPhil is equivalent to a PhD and involves independent research leading to a thesis. The term “DPhil” is unique to the University of Oxford .

Q. What is the PhD programme acceptance rate? A. PhD acceptance rates vary by university, field and competition. Prestigious universities and competitive fields often have lower acceptance rates.

Q. What is a PhD supervisor? A. A PhD supervisor guides and supports a student’s research journey, providing expertise and feedback.

Q. What is a PhD panel? A. A PhD panel evaluates a candidate’s research, thesis and oral defence. It consists of experts in the field.

Q. What is a PhD stipend? A. A PhD stipend is a regular payment supporting living expenses during research, often tied to teaching or research assistant roles.

Q. What is a PhD progression assessment? A. A PhD progression assessment evaluates a student’s progress, often confirming their continuation in the programme.

Q. What is a PhD defence? A. A PhD defence, or viva, is the final oral examination where a candidate presents and defends their research findings and thesis before experts.

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Types of PhDs

There are different types of PhD available in the UK.

Integrated PhD

This is the traditional approach to a PhD and the student starts with a year-long project resulting in a Masters by Research  then moves onto a three year PhD. If you plan to continue to work in academia, then this approach is ideal as students are able to gain additional skills, such as teaching, through other courses at the university while completing their PhD.

Professional Doctorate

Students undertaking a professional doctorate are not traditionally heading towards a career as an academic and are planning on working in professional jobs such as engineers and architects or in medicine and teaching. Because these courses are for specific career paths there is usually a significant taught element and much less research than an integrated PhD. Students can take anywhere from two to eight years to complete a professional PhD. 

PhD by Publication

This is usually only reserved for those students who have been working for some time in an academic position, but who have not yet gained a PhD. They have to gather together a substantial quantity of original publications and present them in the same style as a PhD thesis .

Application Process

In the UK, there is no central system to  search and apply  for available PhDs and the system of application is often driven forward by the student. There are two types of integrated PhDs that students can apply for; studentships and yet-to-be-funded PhDs. Studentships are part of research projects that already have their funding in place and the research position is a job at the university as part of the research group. Yet-to-be-funded PhDs are when the student has a project in mind and has to find a supervisor, an institution to be based at and the funding. A yet-to-be-funded PhD is significantly more difficult to arrange than a studentship, however, the student has a great deal more control over their research. 

The admissions process for a studentship is more like a job than a course application. Studentship positions are advertised in academic publications such as www.jobs.ac.uk or the www.timeshighereducation.co.uk . If the studentship is part of a research project that is in collaboration with a number of different institutions, then there is often a central system to coordinate the applications. Those applying for a yet-to-be-funded PhD apply directly to the university then the university and the student search for funding. 

Study Method

Most integrated PhD students who are based at a university will complete their studies full time or if they are part time students they may transfer to full-time study once they have gathered enough funding together. Some students completing a professional doctorate will study part time, but the majority of professional doctoral students have recently completed their undergraduate degree and are not mid-career, so studying full-time is more common. An increasing number of students are undertaking PhDs by distance learning  and only attending their university a few times a year. This is because of the independent research element of a PhD and the improvements in communications technology. It is easier for students to be closer to their subject of research than to be based at a distant university. 

The length of time it takes to study a PhD  depends on the study method, but a full-time integrated PhD student can expect to complete all parts of their PhD in the UK in 4 years. A professional doctorate can take anywhere from two years to eight years, depending on the study method. A part-time distance learning PhD candidate will take anywhere between four and eight years to complete their project. 

Costs & Funding

In the UK the  tuition fees  payable for a full-time PhD student from the UK are around £4,000 per year, but this is only of concern for those PhD students who are self-funded covering all  costs  themselves. International PhD students will pay significantly more. The UK Research Councils offer a great deal of funding to PhD students in the form of a grant to cover the tuition fees and another stipend of around £15,000 in 2019 to cover student living costs. A large portion of PhD students are entirely self-funded and other sources include government projects, both the British Government and governments abroad, industry and directly by the university itself. 

UK Research Councils

Here are the different UK Research Councils:

Science and Technology Facilities Council Arts and Humanities Research Council   Biotechnology and Biological Sciences Research Council Engineering and Physical Sciences Research Council Economic and Social Research Council Medical Research Council Natural Environment Research Council

Sources of PhD funding 2012-2013

This table shows the breakdown of funding for PhD students in the UK in 2012-2013.

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When is the right time to apply for a PhD?

Are you considering applying for a studentship but have many questions? Firstly, let’s carefully explore what a PhD is.

The term “PhD” is often used as a synonym for any doctoral-level qualification. Doctorate degrees can often be split into two categories: MPhil and PhD.

An MPhil takes approximately two to three years to complete in most countries. Like a PhD, an MPhil consists of a research element (which is usually shorter and less in-depth than a PhD thesis, and often more akin to a dissertation undertaken at undergraduate or master’s level).

MPhil students concentrate more on interpreting existing knowledge and theory and critically assessing other people’s findings rather than producing their own research. The precise nature and definition of an MPhil can vary among institutions and countries.

Meanwhile, a PhD follows a more widely recognised and traditional path and takes approximately three years full-time or six years part-time to complete, however, it is usually longer. The journey requires students, often referred to as “candidates”, to produce their own work and research on a new area or topic to a high academic standard.

Upon completion, The successful candidate is awarded the title of “Doctor of Philosophy”, also called PhD or DPhil.

Undertaking a doctorate is a time-consuming and tiring process, and there are many different opinions on the need for doing a PhD. However, it remains a benchmark in the arena of higher education. It determines the quality, ranking, and evolution of the academic disciplines. There are still a high number of bright aspirants for the very few competitive PhD positions available at university departments.

Why pursue a PhD?

People have varying reasons as to why and when they undertake a PhD.  If you are looking to pursue an academic position, such as a university lecturer or researcher, then a PhD is normally a pre-requisite.

Many people obtain a PhD as part of a partnership with an employer, particularly in scientific fields such as engineering, where their research can prove beneficial for companies.

In some cases, however, PhDs are simply down to an individual’s passion for a subject, and their determination to learn more about their field.

There are many good and varied reasons why someone does a PhD degree . From advancing knowledge, personal ambition, changing career direction, future career prospects and job market requirements and so on, but no reason is better than another. At the end of the day, what matters is that happy with your decision to do a PhD. It may give you a purpose, make your life better, and by extension, make other lives better.

However, the act of pursuing a PhD can be a complicated, time-consuming, and expensive journey. Being fully prepared, obtaining sound advice and a thorough understanding of the task at hand will help you with this journey. Your years as a doctoral student can be some of the most rewarding of your life.

Regardless of whether you decide to pursue an academic career or an industrial R&D career, at some point, you might need a PhD degree.

If you wanted to do research and if you wanted to stay in academia, regardless of whether this is in the UK, US, or European Union, you really need to have a PhD degree. Increasingly more and more people decide to do a PhD stay in their jobs or progress in their careers.

Therefore, doing the PhD program at the early stage of your career can have benefits. The key benefits include the fact that you will develop necessary skills, such as grant writing, and time management, as well as other technical skills, soft skills and transferable skills that will help you advance your future career and get the research positions that you wish.

Remember, PhD graduates are sought after in the industry due to their transferable skills and the fact that they become subject matter experts.

Another reason to continue your postgraduate degree and get a PhD is that you might have an excellent idea that you would like to explore in detail.

You may already have a background in conducting research, and you would like to have academics who already have significant experience to support you in developing that research idea, while you get a PhD degree.

Each PhD thesis must contribute to the current body of knowledge, adding new insights and solutions, and creating new knowledge. As a PhD student, you need to have a valid reason for undertaking a PhD so that it motivates you to overcome the challenges. Your PhD outcomes usually tend to bring a positive change to the world we share and have a positive impact on society. That is a great reason to start the PhD journey!

How to apply for a PhD

Application rules and methods vary for each university. The number of courses that you can apply for in a year will differ.

If you want to apply for more than one degree, you should submit a research proposal specific to each area of study you apply for.

You can also apply to various universities to enhance your chances of securing a place on the course.

What qualifications do I need?

Each PhD will have specific entry requirements and you will also need to meet a university’s general entry requirements.  This may be an upper second-class undergraduate honours degree (2:1) or an equivalent international qualification. For some PhDs, you may need a master’s qualification, and you may be asked to attend an interview.

International students may also be required to prove language proficiency. This will vary across institutions so do check what level universities expect before starting your application.

Applicants should always check the specific entry requirements in a university’s online prospectus before making an application.

When should I start applying?

This will depend on when the term start date is. Most research degrees will start in September, but some courses offer additional entry points in January or May.

You can apply all year round for research degrees starting in September, January and May, and the deadlines for applying are usually one month before the course start date for UK applicants, and three months before for international applicants.

If you’re applying for funding from an external organisation, you’ll need to know that they may have different deadlines for the funding application. So, give yourself plenty of time to research your funding options, and ensure you know how long the application process takes.

Many universities offer several funded PhD opportunities and scholarships for UK and international students, and it’s always worth investigating funding routes such as research councils and other organisations, both in the UK and overseas.

In some cases, it may be possible to study a PhD by distance which means you’ll be able to learn online and have virtual meetings with your supervisor.

If this is something you would be interested in doing you should check before applying whether your university can accommodate this option.

One of the main reasons why people decide to do a PhD is to advance their understanding of the research area that they’re interested in.

It means that you recognise that there are some recent problems, which we like to call knowledge gaps or research gaps, that you would like to contribute to solving. You know that there are some challenges yet to be solved that will enhance our lives.

And more importantly, you’ve got some good ideas about how these problems can be solved. Or maybe you are just eager to dedicate your career to solving these specific challenges and finding solutions. Regardless of whether you’ve already got solutions or feel motivated to make a positive change in the world as a doctoral student, generating new knowledge is one of the key reasons to do a PhD.

Related article:

What is a PhD and Why Should YOU do one?

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The Savvy Scientist

Experiences of a London PhD student and beyond

How Long Does It Take To Get A PhD?

If you’ve ever found yourself wondering, “How long does it take to get a PhD” you’re not alone. Before I started mine I thought I’d be working right up until the university’s four year deadline to submission. However it is often possible to submit a PhD faster, though you do have to consider the time for your viva and corrections.

In this post we’ll go through each of the different stages of a PhD. We’ll also look at how much time a PhD takes up in the wider context of your career as a whole.

At the end you can find a timeline showing how long I personally took to go through each stage on the journey to getting my own PhD!

How long does it take to get a PhD when studying full time?

In short, full-time PhD students in the UK will typically take 3-4 years to submit their PhD thesis. Then it’s a few more months before the viva (oral exam) takes place. PhDs in many other European countries and certain commonwealth countries such as Australia, take a similar length of time. For other countries such as the US it will typically be a year or two longer than this, which could be a positive or negative depending on why you’re doing a PhD !

If you’re considering applying for a PhD, here are some relevant posts for you which may be useful:

• How to apply for a PhD
• PhD FAQs – A Complete Beginner’s Guide to Doctoral Study
• How much work is a PhD?

Putting a PhD in career context

Still on the fence as to whether you really want to spend roughly four years of your life on a PhD?

Let’s put it in perspective.

If you come out of uni at age 22 and retire at age 68, you’ll have a career of approximately 46 years:

Let’s say after a few years of working you decide to do a PhD. We’ll assume in total it takes 4.5 years – about the maximum length of time a full-time PhD can be from start to end in the UK.

Now let’s slot in that PhD in orange:

This shows the average PhD-holder still has about a 40 year career ahead of them if they were to work until state pension age in the UK! So doing a PhD lowers your career by 4-4.5 years, or as a percentage: less than 10%!

In reality, retirement age is very likely to be pushed well into the 70s by that time, making the time spent on a PhD even less of an issue. Sidenote: while you’re young take the opportunity to build up financial freedom !

Is a PhD worth it? I’ve delved into this more here , but it will depend a bit on your own circumstances so I can’t definitively answer that for you. But it’s important to recognise that doing a PhD isn’t taking much time away from your career and could potentially add a lot to it!

Read on for details on why a PhD takes around four years to complete.

The structure of a PhD

There are four parts to getting a PhD:

• The main one: working on your project and doing the research!
• Writing up your work and submitting it as a thesis (or papers if your university allows it)
• The oral examination (viva)
• Making any corrections to the thesis requested by the examiners and submitting the final version to the university

Let’s quickly cover each one of these parts in a little more detail:

1. PhD project: Carrying out research

This section is the core of your PhD and the bit where you actually do some research. Some people may divide the PhD project into sections such as:

• Reading literature
• Deciding on a research project direction
• Trying out different experimental methods
• Main experiments & data collection

Every project (and person) is so different that it would be useless to give you a generic timeline with how long each section could take. Points 2 and 3 may even appear in different orders depending on your project. There is no convention! In addition, rarely will someone carry these tasks out in series with no overlap between them. Working on tasks in parallel helps to keep your days more varied and interesting too.

If you’ve already got a very well defined project you may whiz through the first three points. The same goes for if you’re taking over from a previous student who has already got your project going. For my project I was pretty much starting from scratch in a lot of regards. I also had a scholarship with a lot of freedom, so spent more time on these preliminary stages. It really varies a lot, so let’s just cover how long the research typically lasts in total:

PhD research duration

Two main factors will typically dictate how long is spent on research before writing up:

• Funding : The majority of PhD students in STEM are funded (post on how here , and how much here ) and no one wants to be supporting themselves once the money runs out. Therefore usually PhD students will aim to complete all research (and ideally writing up) by the time their funding ceases. Most PhD projects in the UK are funded for 3 – 3.5 years . The maximum is four years, for reasons you’ll see in a moment. Personally my scholarship was for 3 years and then I was separately employed for another five months by my supervisor.
• Submission deadline : You can imagine that the completion rate of PhDs isn’t great once funding ceases. You’re seeking employment to support yourself and suddenly the PhD isn’t a focus. More and more universities are now imposing strict deadlines for submission to boost the chances of students successfully completing the degree. This deadline to submit your thesis is often four years from your start date .

A student will typically work back from these deadlines, estimating how long is required for writing up and spend all of the remaining time doing research.

Approximate research duration: Overall, from induction through to finishing data analysis will typically take 2.5 – 3.5 years.

2. Writing up

As we covered above, there are two main factors which will usually control how much time is available for the project as a whole. It is up to the student to decide how late they leave it to finish conducting research and start writing up.

For some people writing up can take a significant number of months. This may be particularly true for non-native speakers.

My somewhat controversial suggestion is to leave it as late as possible to go into the full-time writing-up stage. This allows you to maximise the amount of time you’re able to access labs or any specialist resources which will disappear once you leave. It’s also very easy to procrastinate whilst writing, therefore by constraining the timeline you’re less likely to waste your time.

However not officially being in the ‘writing-up’ stage, doesn’t mean doing no writing at all in advance. In fact let’s answer a few common questions related to writing up:

Can you write up as you go along?

Yes! You can of course write whenever you fancy it, but additionally typically there will be a few assessment checkpoints during the research phase of your project. For the first of them, which occurs around 9 months after starting the project, you’ll usually have to produce a report. This often includes the rationale for the project, a literature review and your progress so far. At Imperial it was called the Early Stage Assessment (ESA) and others know it as the upgrade interview.

Even if you do no other writing up during your project, this report can still form a useful starting point for your thesis. My report was just under 20 pages long and the literature review component formed the foundations for the literature review in my PhD thesis.

There is often a second checkmark at 18-24 months (called the “Late stage assessment” or “LSR” at Imperial). This may again may include a formal report which could go some way towards your thesis. The alternative to writing a report for the LSR is showing a paper you’ve submitted to a journal: a handy reason to write papers, which we’ll come onto more in a second.

You can take it further and write up chapters of your work as you go if you want. The most obvious reason for doing so it to produce papers of each results chapter which we’ll now discuss.

What about papers?

I strongly recommend PhD students submit papers during their PhD. I only had one published by the time of my viva and that single paper was immensely valuable in providing evidence that I’d done novel research of a high enough standard. See my guide to writing your first paper here:

• Writing an academic journal paper

If nothing else, writing up your work as papers serves as a useful way to split your PhD work into sections which can then become chapters of a thesis.

Some universities may allow you to submit a string of papers instead of a thesis. I know that this is common in other parts of Europe.

By the time I submitted my thesis I had one results chapter accepted as a paper, another two papers roughly drafted and another chapter I hadn’t really worked on. At Imperial you do have to submit a thesis, but crucially the content can include submissions for papers. I had to do a bit of work converting papers into chapters but it was minimal, maybe a few days work.

Your mileage may vary: I know that some other universities don’t allow you to copy text (or figures) word for word from papers due to plagiarism, which of course suddenly creates a lot of extra work. Either way, writing up your research as papers during a PhD is strongly encouraged if you can!

Should you care about having a ‘nice looking’ thesis?

This is a question only you can answer. If you want a thesis formatted wonderfully in LaTex with stunning figures etc you’ll of course have to dedicate additional time to writing the thesis.

For me I didn’t (and don’t) care at all about having a nice looking thesis. I’d much rather invest energy in writing things people will actually read: papers.

Do remember that what you submit to the examiners is merely a draft and isn’t your last chance to make changes!

Approximate duration for writing up: Typically 2 – 6 months, but it doesn’t have to take this long!

3. Scheduling and passing the oral examination (viva)

When you’re coming to the end of your PhD you’ll discuss potential examiners with your supervisor and begin organising potential dates for your exam: known as a viva here in the UK. In the UK you’ll usually have a minimum of one external examiner (from another university) and one internal examiner (from your university).

The date will usually be a minimum of two months after you submit your thesis. You can potentially get away with a bit shorter, but universities don’t like doing it in case of any holdups. It’ll ultimately come down to finding a suitable time which works for your examiners.

I know of people who’ve had to wait a lot longer than a few months because of difficulties finding a time which works for all the examiners, especially if substantial travel is required. One of the perks of the current C-19 working from home arrangement is that examinations may be more easily scheduled.

The oral exam itself is only one day. I’m putting together a separate post to cover what the viva experience is like.

Approximate duration for scheduling and passing the exam: Typically three months.

4. Making any corrections to the thesis

The examination will in part focus on the quality of your written thesis. Some people pass the viva with no corrections. Therefore you could simply use the copy you sent to the examiners as your final copy of the thesis, requiring no further work.

However it is rare to pass with no corrections and instead it is likely that there will be “minor corrections” suggested to improve the thesis. These corrections may be to:

• Improve clarity
• Add some further necessary detail, including potential additional analysis
• Removing unsubstantiated claims
• Correcting typos and grammatical errors

It is also possible for “major corrections” to be requested, requiring much more substantial work – usually including further experiments.

In the case of minor corrections, sometimes the examiners will want to see the updated thesis, other times they’re happy to let your supervisor approve the changes.

Typically in the UK you are given a deadline to submit these corrections within three months of your viva . Of course it usually doesn’t actually take anywhere near three months of solid work to make the changes, but the examiners and university recognise that by then you’ll have ceased being a PhD student and likely have other commitments. Plus, not everyone wants to dive straight back in after the viva!

Approximate duration for making changes to your thesis: 0 – 3 months.

5. Awaiting confirmation of your PhD

Once you’ve submitted your final copy of the thesis you’ll have to wait for the registry team to formally confirm your PhD. At Imperial this is done once per month. And you’ll get an email something like this:

Duration: one month or less.

So how long does it take to get a PhD in total?

Now we’ve covered all the separate stages of a PhD, hopefully you have a better sense of how long it could take to get a PhD.

Wondering how long is a PhD in the UK? In the UK the average time from starting the PhD to submitting the thesis is approximately three and a half years. It’ll then take another 4-6 months until the viva has been completed, the final thesis copy submitted and for the university to award the PhD. This brings us to a total length of approximately 4 to 4.5 years for a PhD in the UK .

This assumes that study towards the PhD is full-time. Of course if you’re working part-time on the project the duration can increase considerably.

If the PhD is as part of a CDT/DTC programme the timeline may be slightly different, but won’t necessary be much longer. In a CDT you’ll usually spend a year studying for an MSc, followed by three years working towards the PhD, at which point you’ll submit the thesis. Therefore the total time for a PhD as part of a CDT with a MSc+PhD programme may still be just over four years, including the MSc.

My experience

I finished my PhD earlier this year and this is how long each of the PhD stages took me:

* I wanted to arrange a holiday for April ( which didn’t happen ) so knew when I wanted to have the viva and worked back from there. I could have submitted the thesis 7.5 months later and still have been within the four year deadline, but wasn’t interested in stringing it out! We arranged the viva back in January and submitting the thesis six weeks before the viva was about the minimum reasonable period. You may be required to submit the thesis before officially scheduling the viva.

** I’m a fast writer and didn’t massively care about the quality of the thesis but even so, couldn’t write a whole thesis in three weeks! Crucially I had most of the results chapters already written by this point. I spent about a week writing the literature review section, a week on the introduction and discussion chapters and a week putting it together. Once you have your results sections don’t spend ages faffing with the other sections (intro, lit review, discussion), they’ll swallow up as much time as you give them.

*** Had I been able to go away on my two month holiday I’d have left the thesis corrections for when I got back. But since I wasn’t able to go, I decided to crack on with them right away. Most people would tend to have more of a break before submitting the corrected version, but I knew that if I submitted quickly then I’d be in time for the PhD to be confirmed in April – just a few days later. There is also something funny about having a PhD confirmed on April Fools’ Day!

How long does it take to get a PhD outside of the UK?

PhD programmes vary in structure and length around the world. PhDs in mainland Europe and Australia are typically of similar length to the UK. Though if you’re looking to study for a PhD in the US you can often expect to be studying for an extra year or two.

In the US PhDs typically begin with formal courses and lab rotations , with PhD projects not being decided until midway through your second year. This is a similar parallel to undergraduate degrees being less specialised than in Europe. Therefore in the US PhDs typically take 4-6 years to complete.

More details for PhDs around the globe can be found on this handy set of pages FindAPhD has put together.

Hopefully you’re now able to answer how long it takes to get a PhD. If you have any other PhD-related questions you’d like answered please let me know and I’ll be happy to address them !

Footnotes for the lifetime graphic: * UK life expectancy for a current 20 year old is estimated to be around 87 years. * The figure was inspired by some of the amazing posts on Wait but Why . If you’ve not already checked out the website, please do!

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Phd-Study-In-Uk

• Applying for a PhD in the UK

Written by Mark Bennett

Planning on applying for a PhD in the UK? This guide covers what’s required to get onto a UK PhD programme and how to submit your application.

UK universities

There are over 150 universities in the UK. The vast majority are public universities , meaning that they receive funding (including budgets for PhD studentships) from the UK Government. All British universities are free to pursue their own research objectives, but the amount of funding each institution receives is partly based on regular assessments of its performance as part of the Research Excellence Framework (REF) .

A small number of private universities also operate in the UK. They tend to specialise in specific subjects, such as Business or Law.

UK countries

The four parts of the UK each have slightly different higher education systems:

• England is home to the majority of the UK's universities, including the two oldest ( Oxford and Cambridge )
• Scotland is home to 15 of the UK's universities, including four 'ancient universities' ( St Andrews , Glasgow , Aberdeen and Edinburgh ) dating from the fifteenth and sixteenth centuries
• Wales has eight universities, all of which are public institutions, dating from the nineteenth and twentieth centuries
• Northern Ireland has two universities, each of which operates multiple campuses

The governments of each part of the UK have powers to decide on higher education policy, including fees and funding. But, in practice, PhD research works pretty similarly across England, Scotland, Wales and Northern Ireland. The country that's best for you will depend on the research opportunities available at specific universities.

UK university groups

Some UK universities are organised – officially or unofficially – into different groups. Here are some of the more common ones you may come across, together with what they mean:

• The Russell Group is an association of 24 universities across the UK. The group is self-selecting (it decides on its own members) and positions itself as representing the country's leading research universities. In practice this is broadly accurate as the Russell Group includes some of the best ranked British universities and – perhaps more importantly – awards the majority of UK PhDs.
• The ancient universities are a group of seven institutions that date from the sixteenth century or earlier, including Oxford , Cambridge , St Andrews , Glasgow , Aberdeen and Edinburgh as well as Trinity College Dublin (in Ireland ). 'Membership' of this group isn't based on anything other than chronology (unsurprisingly, new universities can't join) and the ancient universities don't collaborate as such, though some are members of the Russell Group. Of more importance is the fact that some ancient universities award their doctorates as a DPhil rather than a PhD. The degree and its recognition are fundamentally the same.
• The red brick universities are another informal grouping based on history rather than collective organisation. They include nine civic universities founded during the nineteenth-century industrial revolution with the aim of providing education and training for their cities. In contrast to the medieval buildings of the ancient universities, their campuses were built largely from red brick – hence the name.
• The term 'post-92' is sometimes used to describe universities that were originally polytechnics (higher education institutions focussing on teaching and training rather than research) before being granted full university status in 1992. Many of these 'ex-poly' universities actually have long and proud histories and are now some of the UK's most innovative research centres.

There are a few other formal and informal groups, including 'plate glass' universities (founded in the 1960s – the UK has a thing for associating universities with building materials) as well as membership organisations for newer universities such as MillionPlus and GuildHE.

You don't generally need to worry about which group your prospective university is or isn't part of. It's true that some groupings confer a degree of prestige, but universities are invited into the Russell Group because of their research performance and reputation, not the other way around. There are also many excellent universities which haven't chosen to join particular associations.

Accreditation and research quality

The UK takes quality assurance for universities very seriously, with several levels of official recognition and accreditation.

The right to use a university title is protected by law in the UK and can be granted by royal charter, Act of Parliament or similarly official means.

The right to award degrees is also protected. A university must either be a 'recognised body', in which case it can award its own degrees. Or it must be a 'listed body' in which case a recognised body must award degrees on its behalf (listed bodies are often newer universities or specialist colleges with qualifications accredited by more established neighbouring universities).

You can use the UK Government website to quickly check if a university is officially recognised .

UK universities' research quality is separately monitored through an exercise known as the Research Excellence Framework (REF) . This examines the research a university is producing as well as its impact on society in general. The environment and support provided for PhD students is also considered as part of this process. The most recent REF results were published in 2021.

UK university cities

There are excellent universities located across the UK, from London and the South of England to the Scottish Highlands and Islands . With that said, here are a few of the UK's most popular student cities:

• Study in London
• Study in Edinburgh
• Study in Manchester
• Study in Cardiff
• Study in Birmingham
• Study in Sheffield

How to apply for a PhD in the UK

You should apply directly to a university for a place on a UK PhD project or programme. There are two ways to do this:

• Some PhD projects are advertised by universities with set aims and objectives. These are most common in STEM subjects and often have funding attached. You can browse UK PhD adverts here on FindAPhD.
• Other PhD projects are designed by students who put forward a research proposal for the work they would like to do. These are more common in Arts, Humanities and some Social Science subjects. You can browse UK PhD programmes to apply within here on FindAPhD.

It's often a good idea to contact a prospective PhD supervisor before applying, but this isn't usually a necessary step. Universities will usually pair students with the most appropriate supervisor for their project.

We’ve written dedicated guides to applying for a PhD in the Arts, Humanities and Social Sciences , as well as STEM subjects.

Admissions requirements

You will normally need the following to be accepted for a PhD in the UK:

• A suitable undergraduate degree (equivalent to a UK 2.1 or higher). A Masters may also be required in some subject areas.
• Evidence of language proficiency (if English is not your first language).
• Evidence that you possess the necessary materials to gain a UK student visa (for international students).
• Other application materials including a research proposal , personal statement or references .

Actual requirements vary between projects and programmes.

Not all UK PhD applications require a formal interview , but this is more common for funded positions or programmes with limited space.

Interviews can often be conducted online. You may be asked to answer some questions about your application and / or give a short presentation on your intended research.

Inidan qualifications in the UK

In July 2022, the UK and Indian governments signed a memoradum agreeing to automatically recognise undergraduate and postgraduate qualifications in each other's countries. This means that if you studied your Bachelors or Masters in India and are now applying for a UK PhD, your qualifications will recognised as equivalent to British ones.

It also means that it will be easier for you to seek work in India with a PhD from a UK university!

Find a PhD in the UK

Why not get started browsing some UK PhDs ? Alternatively, you can look at our other guides to studying a PhD abroad .

Our postgrad newsletter shares courses, funding news, stories and advice

You may also like....

The seven UK Research Councils provide government studentships for PhD research in different subject areas. Our simple guide explains how this funding works, what you can get and how to apply successfully.

You may be able to get a PhD loan of up to £27,892 for a UK doctorate. Our guide explains eligibility, applications and repayments.

Our guide explains the best ways to fund international PhD study in the UK, with information on all the main scholarships available to you.

Centres for Doctoral Training (CDTs) or Doctoral Training Centres (DTCs) provide UK Research Council funded PhD studentships to postgraduate students

The Graduate Route allows international students to stay in the UK for at least two years after graduating. This guide covers everything you need to know, including who is eligible and how to apply.

The Turing Scheme recently replaced the Erasmus programme, but is it any different? Let’s examine the Turing Scheme vs Erasmus debate in detail.

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Why is there such variation in PhD length internationally?

I'm an undergrad in Australia, and at this stage I want to go on to do further study in maths (or maybe physics/CS, still have a few years till then).

Should I do so, I imagine that I will want to complete a PhD overseas. Possibly at a university in the US or maybe Oxbridge in the UK.

In Australia, PhDs typically take 3 or 4 years, and I would be eligible to go straight into a PhD upon completion of my undergraduate degree (it is research focused and includes an honours year, see here ).

But, much of what I have found for overseas institutions has been in the range of 5-7 years, or maybe a 3-4 year PhD with a few years doing a master's degree beforehand.

Does this indicate that the level of rigour and amount of work produced is significantly different for various PhD programs, or is it the case that some programs are more relaxed and simply spread the same amount of work over a longer period of time?

• international

• 1 In the US, in math and science, you should be able to go straight into a PhD program after completing your udergrad. The length varies by school, program, discipline, adviser, and student. 3-4 years is possible in some disciplines with the right combination of student, adviser, supportive program, and success in your research. –  Ben Norris Commented Aug 8, 2013 at 11:49
• 19 In the European system, students typically enter PhD programs having already obtained a Master's degree or the equivalent. In the US this is often not the case, so students have to do the equivalent of a Master's (or actually complete one) en route to a PhD. Also, your disclaimer at the beginning comes across as combative. –  Zach H Commented Apr 25, 2014 at 12:39
• 5 If a recruiter were to dismiss my CV only because I've done my PhD in 5 years while I'm applying to a computer programmer position, i.e., disregarding any actual programming skills I have, then I wouldn't regret not working for that company. –  user102 Commented Apr 25, 2014 at 12:54
• 15 The US educational system is more focused on general education - students don't start studying highly specialized content until the second or third year of undergraduate studies. In the UK, specialization begins in secondary school. Comparisons of "time to doctorate" become meaningless as a result. –  ff524 Commented Apr 25, 2014 at 13:30
• 5 To be fair, many US academic wonder the same thing in reverse. “How can any student possibly accomplish enough in only 3 years to justify a PhD? Those UK PhDs can't be worth very much.” Of course, the correct answer is that the numbers of years is utterly irrelevant; all that matters is what the PhD holder has accomplished. –  JeffE Commented Apr 26, 2014 at 12:32

6 Answers 6

In addition to @aeismail's points, in the U.S. the undergrad degree (B.S. or B.A.) in math is typically rather thin, due to "breadth" requirements, so a year or two of a PhD program is spent catching up, in comparison to most other educational systems in which specialization occurs earlier (and perhaps high school math education is more intense).

Some decades ago, it was the style in elite places in the U.S. to have people finish a PhD degree as quickly as possible, often in three years, as proof of ... something. This was plausible under the hypothesis that students at such places had an unusually good background.

In fact, given the way professional mathematics has evolved, spending more time learning things and maturing before hitting the job market may be wise. In any case, no one is creating artificial obstacles to any student's quick graduation! In my current institution, there really are no "required courses", in the sense that there are some modest proficiency exams in standard material that need to be passed, and courses help prepare for those, or can substitute for proficiency exams to some extent. Thus, a well-prepared student can "test out" of requirements.

One underlying problem seems to be that people take as much time as is allowed, so if it is understood that one may take six years "if necessary", then most people plan to use up that time. Not that they're "forced to" or "kept from graduating earlier". And then there's the reasonable fear of facing the job market that leads to "avoidance".

I would claim that "having to teach" is not a serious impediment to quick graduation. However, its relatively immediate gratification can seduce people away from the far-less-immediate gratification of research and study.

In the UK system (or similar systems, like Australia) students enter their Ph.D. program with a stronger background due to earlier specialization, and they typically leave their Ph.D. program at a less advanced level than a Ph.D. from a comparable American school. The difference is not in how fast people learn, but rather differences in what a bachelor's degree means and what a Ph.D. degree means.

Note that on specialization for undergraduates the US is the outlier, but in terms of Ph.D. outcome it's the UK that is unusual. For example, Chris Parks writes , "Across Europe the view prevails that the three-year UK doctorate is too short and thus of inadequate quality compared with the more common four-year doctorate."

• 2 Could you provide some sort of reference for European PhD programs ending at a less advanced level than the American ones? –  Tobias Kildetoft Commented Apr 25, 2014 at 18:27
• 1 @TobiasKildetoft: I didn't say European, I said UK and Australian. –  Noah Snyder Commented Apr 25, 2014 at 19:42
• Noah: That's an amazingly crisp and relevant link. Maybe you should put it in your answer. –  Pete L. Clark Commented Apr 25, 2014 at 20:14
• 2 @TobiasKildetoft That view (expressed in the quote) prevails as well across me and most people in the British system I've discussed it with. There was a lot misguided about the original question, but the assumption that a fast Ph.D. is a good thing is totally wrong. Intellectually, it's obviously much better to have more time to explore the field before the responsibilities of being post-doc or TT kick in; it's just that the practicalities get in the way, and do so at different times in different countries. –  Ben Webster Commented Apr 26, 2014 at 12:13
• Part of the thing with 3 vs 4 years is that if you count a year reading in and a year writing up you end up with 1 vs 2 years of work. –  Paul de Vrieze Commented Apr 18, 2023 at 6:42

The length of the PhD program depends on how the bachelor's and Master's programs are structured, and what additional demands are placed on students in terms of teaching and other assignments.

For instance, in the US, you can gain admission to a PhD directly after a bachelor's degree, but you will also be expected to take courses for one to two years. In mathematics especially, you will likely have significant teaching duties as well. in Europe, PhD programs in math will still likely require significant teaching, but no coursework, since it is presumed you took the requisite courses as a Master's student.

Another aspect that's worth mentioning is that there's PhD and there's PhD. Even though the name of the title is essentially the same when translated to common English, the "content" of the dissertation and diploma could differ significantly. If you have more time to do your research you're more likely to produce more publications (although this is not a given). I would even argue that the potential increase in your publications is not linear to the number of years in grad school, considering the rather steep learning curve.

Similarly the expectations during post-grad applications could also vary based on the degree. You might, and probably will, be expected to do more years of post-doc research before getting a faculty position, in comparison to if you had a longer PhD period (for instance 5 years instead of 3).

Yet another aspect is the funding; most PhD programs are limited in years, because the funding is usually limited in years. In other words, if you have means of sustaining yourself without grant money, or if your supervisor/group leader has the possibility to fix some other source of funding, I am pretty sure actual dissertation time would not be a huge issue (again it depends on the supervisor).

Lastly, none of this is written in stone, and there will always be exceptions to the rule. I would advocate that there is really no shortcuts to success, and instead of worrying about number of years to a particular title, one should focus on getting "really good/competent" at the field of research.

• The funding issue is important. In the UK system, funding (in the form of a PhD scholarship) is often limited to three years, which provides a strong incentive to graduate quickly. In the US system, this is not the case, so there is less pressure for students to finish quickly. –  Thomas Commented Dec 6, 2017 at 1:42
• @Thomas re last sentence: probably because a PhD student staying in the lab longer is cheap labor ;-) –  posdef Commented Dec 6, 2017 at 12:25
• There is also the fact that you need to graduate in time for the university to be allowed to count it as completion. –  Paul de Vrieze Commented Apr 18, 2023 at 6:45

Having moved from the US to Europe (Denmark specifically), I was surprised that doctoral degrees here are standardized. Whereas in the US degree times vary considerably for all the reasons stated in the other answers, in Europe the length of PhD degrees is increasingly zeroing in on three years. Indeed, in Denmark no one is permitted to take longer than three years.

This is due to an international European standard known as the Bologna process , which aims to standardize academic qualifications across Europe. In order to enter a PhD in Bologna process countries, students must have a sufficient number of ECTS points (equal to a master-level degree), thus reducing the variance in times (common in the United States) due to differences in additional courses (minimal), teaching obligations (minimal), etc. between students, departments, and universities.

• Well just to add my personal experiences: I'm really surprised (actually a little bit shocked) that outside the EU even the PhD is not a guarantee for a certain level, and that people can "just" get a PhD without even a Master degree. From my experience PhD are only assigned to the top level students. Some friends of me just started with their PhD before this summer, both have been given "3 years". After that a review happens and a possible extension for 2 more years is possible. More than that won't be paid by the paying company though. So that puts a limit on things. –  paul23 Commented Aug 10, 2013 at 0:17

For those interested in why the U.S. is an outlier compared to Europe in terms of PhD length, it's important to keep in mind that European countries used to have not only widely varying standards for doctorates but also widely varying degrees (i.e., many countries had degrees that did not even map onto the BA-MA-PhD system). European countries are now increasingly standardized around a 3-4 year doctorate because all degree programs in (most) European countries are expected to follow the standards set by the Bologna Process , which fix the ECTS credit hours for particular degree programs. As a result 47 European countries (as of 2014) now have relatively standardized and transferable degree requirements, which differ quite dramatically from those in the U.S. higher education system.

• 1 Ph.D. times are also wildly divergent across different fields. At UVA (where I work and thus know the statistics), mathematics and statistics students usually take 5 or 6 years, but in most humanities fields 7 or 8 is more common, and in anthropology the median time to degree has been 10 years in some recent classes. –  Ben Webster Commented Apr 26, 2014 at 12:24
• @BenWebster how does someone live for 10 years without a job? –  Ian Commented Apr 26, 2014 at 12:33
• 2 @Ian Being in grad school doesn't mean you don't have a job. Grad students in math typically can support themselves from department funding (though of course, they have to do some teaching for that). In many humanities and social sciences fields, there's less funding, but you can sometimes find other things to do in the university (my wife worked in the tutoring center as a grad student, for example), adjunct teaching at another school, or just a job doing something else. –  Ben Webster Commented Apr 26, 2014 at 22:07

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PhD fees and costs

To study a PhD, you'll need to pay the cost of tuition fees, research support fees (such as materials used in a laboratory) and be able to cover your living expenses

A funded PhD studentship may meet all or part of these costs or you may be able to find funding for your self-funded PhD or research project.  The fees below are for the academic year 2024/25.

The fees stated in the table above exclude potential research support fees also known as ‘bench fees’. You will be notified of any fee which may apply in your offer letter.

* Please note that if you are undertaking a PhD within the Faculty of Science and Engineering the fee you pay, Band A or Band B, will reflect the nature of your research project. Some research projects incur a higher fee than others e.g. if you are required to undertake laboratory work. You will be informed of the fee for your programme in your offer letter.

^ Self-funded, full-time international students studying a PhD programme classified as Band A will receive a £2,000 reduction in their fees for the first year only.

Paying fees

The University requires payment of tuition fees at registration for the whole of the coming academic session or for the duration of a programme that is to be completed in less than a year. However, arrangements can be made for self-supporting students to pay their tuition fees in installments.

All instalments must be arranged with the Student Administration and Support Division. If you hold a scholarship or studentship, the awarding body should provide the Student Fees section of the Student Administration and Support Division with an acceptable guarantee of payment.

If you expect to be sponsored please ensure that your sponsors understand fully their responsibilities for your fees and maintenance and that they are prepared to honour them for the duration of your studies in Liverpool.

If your sponsor does not provide an acceptable guarantee of payment, or defaults on their guarantee, you will become responsible for the payment of fees yourself. Unfortunately, the University is not able to provide financial aid or waive fees for students whose arrangements for financial support fail during the period of their studies.

Transfering funds from abroad

International students will need to ensure that they can bring sufficient funds with them for living expenses, as well as for payment of fees, or have sufficient funds sent to them in instalments throughout the year. Students from countries which operate strict foreign exchange controls should make sure that permission can be obtained for the transmission of adequate funds.

Other costs

Research support fees.

Research support fees, also known as 'bench fees', cover the cost of consumable materials used in your study. Some MPhil/PhD and taught programme projects use up large amounts of materials or ‘consumables’. In these cases you may be charged an annual Research Support Fee to help cover the cost of this. Programmes which might incur a Research Support Fee are likely to be those which are laboratory-based. You will be notified of any fee which applies in your offer letter. Research Support Fees are the same for UK, EU and International students.

Study costs

We want to try and help you prepare for the day-to-day costs of studying. These might include things like photocopying in the library, buying textbooks and specialist equipment or going on field classes. We have put together tables of additional costs for guidance, for each subject area, including where departments make contributions towards these costs.

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Some countries have PhDs that only take 3 years... others take 5! Is there really any added value in the long term for doing a longer PhD?

Just curious... I'd considered doing a PhD at one point in a country where it takes 3 years, and am wondering if I made a mistake!

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How Long is a PhD Thesis in the UK?

(Last updated: 5 April 2024)

Since 2006, Oxbridge Essays has been the UK’s leading paid essay-writing and dissertation service

We have helped 10,000s of undergraduate, Masters and PhD students to maximise their grades in essays, dissertations, model-exam answers, applications and other materials. If you would like a free chat about your project with one of our UK staff, then please just reach out on one of the methods below.

Embarking on a PhD journey means grappling with many academic questions, including the length of your thesis. It's a topic that's often discussed among doctoral candidates and academics alike. So, how long should a PhD thesis be if you are pursuing a doctorate in the UK? Let's discover all the key aspects that contribute to the length of a doctoral thesis.

Average Length of a PhD Thesis in the UK

In the UK, PhD theses typically range from 70,000 to 100,000 words on average. This word count covers the main body of the thesis, usually excluding sections like appendices, references, and additional materials.

However, it's important to note that these figures are more like guidelines than strict rules. The actual length of your thesis can vary depending on factors such as your field of study, research methods, and your university's specific requirements.

Considering the Ideal Length

When it comes to determining the ideal length for your doctoral thesis, there are several things to keep in mind:

Disciplinary Differences : Different academic disciplines have different expectations when it comes to thesis length. For example, scientific fields may have longer theses due to the extensive data and analysis involved, while subjects like philosophy or literature might lean towards shorter theses that focus on concise arguments.

Complexity of Research : The complexity of your research topic will also play a role in determining the length of your thesis. More complex projects with extensive literature reviews, methodologies, and analyses may naturally result in longer theses.

Quality Matters Most : Ultimately, the quality of your thesis is more important than its length. A well-written, concise thesis that presents original research findings and contributes meaningfully to your field is far more valuable than one that simply meets a word count requirement.

Institutional Guidelines : Your university or department will likely have specific guidelines regarding thesis length and formatting. It's important to familiarise yourself with these guidelines and ensure that your thesis meets the institution's requirements. For example, in the rules for submission of theses for research degrees, the University of Reading states that:

“The length of a thesis should not normally be greater than 90,000 words for PhD, 60,000 words for MPhil, and 30,000 words for LLM. A thesis may be no more than five percent over the limit. The word count excludes the appendices, the bibliography and any bibliographical material contained within the footnotes. It is acceptable for the length of the thesis to be somewhat shorter for an EngD, EdD, DBA and DAgriFood degree than for a PhD.”

Crafting Your Thesis

As you work on your PhD thesis, here are some tips to help you strike the right balance:

• Stay Focused : Clearly define your research question and stay focused on it throughout your thesis. This will help you maintain clarity and coherence in your arguments.
• Seek Feedback : Don't hesitate to seek feedback from your supervisor, peers, and other experts in your field. Their insights can help you improve the quality and clarity of your thesis.
• Be Creative : Explore innovative approaches and methodologies in your research. Embrace interdisciplinary perspectives and think creatively about how you can contribute to your field in a meaningful way.
• Edit and Revise : Take the time to edit and revise your thesis carefully. Remove any unnecessary content and ensure that every word serves a purpose in advancing your argument.

Beyond Word Counts: Crafting a PhD Thesis of Substance

In the end, while the length of your PhD thesis is important, it's ultimately the depth of your research and the impact of your findings that will define its value. So, focus on producing a high-quality thesis that reflects your scholarly contributions and advances knowledge in your field.

Is a Thesis Writing Format Easy? A Comprehensive Guide to Thesis Writing

How to Write a PhD Thesis: A Step-by-Step Guide for Success

How Much Does It Cost To Write A Thesis? Get Complete Process & Tips

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• How Much Does a PhD Cost in the UK?
• Funding a PhD

Choosing to dedicate the next few years of your life towards a PhD is no light decision. Not only will it require you to dedicate an extensive amount of your personal time, but you’ll also need to consider how you’ll fund it. This raises the question, how much does a PhD cost in the UK?

The cost of a PhD can be divided into three key areas; tuition fees, living expenses and research expenditures. The combined cost of these are approximately  £20,000 per year  for UK students and can increase to over  £40,000 per year  for international students. A more in-depth breakdown of these costs can be found below. We’ve also compared these costs to other countries and outlined the various methods available to you to fund your PhD studies.

Tuition Fees

For UK ‘home’ students, the tuition fee for a PhD varies between £3,000 to £6,000 per academic year. For 2023/24 programmes, most universities opt for £4,712 per year within this range. Although this number may seem a little odd, it’s commonly adopted due to being the indicative rate set by UK Research and Innovation (UKRI) for UK universities.

International Fees

Unlike for UK applicants, the rates for international students don’t align with the indicative level set by UKRI. Following the implementation of Brexit, EU students now follow the same fee rates as other international students. International students will find that their tuition fees are higher than those of home students. For example, at the time of writing, the average annual PhD tuition charge at the University of Dundee is £4,825 for home students undertaking an Engineering PhD. This same average is £25,305 for international students.

International applicants will also find that the fee for PhDs in STEM subjects are greater than those in non-STEM subjects. For example, at the University of Bristol, a doctorate degree in Mechanical Engineering costs £25,300 per year whilst a doctorate in Medieval Studies costs £20,100 per year.

To summarise, international students can expect a tuition fee of between £16,000 to £25,000 per year, with an average of around £19,600 per academic year. Non-STEM subjects will generally be at the lower end of the range, whilst STEM subjects will be at the higher end of the range.

Part-time Fees

The above fees are based on full-time postgraduate study. If you’re doing a part-time PhD, you can expect the fee to be half of these amounts. Although this may appear to be a cheaper option, keep in mind that the average duration of part-time PhDs are twice that of full-time PhDs. Therefore, the total tuition cost will amount to the same value and the end of both courses.

Other Degree-related Costs

Research support fees.

If your research project requires a high use of consumables, equipment or other resources, you may have to support the cost of these through an additional annual fee. This additional annual fee, often referred to as either a ‘research support’ or ‘bench’ fee, often apply to laboratory-based STEM research projects. Bench fees vary between different projects, even those within the same field. Therefore, it is best to speak to the admissions team on a project-by-project basis to receive anything useful.

Another cost you will need to account for is travelling. As part of your degree, many supervisors will expect you to attend conferences, training workshops, or other collaboration opportunities. As a result, you will often need to travel to various destinations which aren’t always limited to the UK. Although some programmes will cover these costs, it’s not unheard of that some positions will expect you to fund this yourself. It’s impossible to put a value on this, as the extent of travel depends on each project. Therefore, it would be wise to speak with the admissions team and current PhD students. They can provide you with an accurate estimate and let you know whether the university will cover the expenses.

Overtime Period Fee

When you’re enrolled into a PhD programme, you will be given a period to complete your PhD within. This period is known as your ‘registration period’ and is usually 3-4 years for a full-time PhD and 6-7 years for a part-time PhD. If you’re given an extension due to not completing your PhD study within this time, you will need to pay an overtime registration fee. Although the amount depends on each university, the University of Leeds sets theirs as £290 for 2023/24.

Living Costs

From a 2022 survey of over 2,300 university students , the average living cost, covering expenditures such as rent, bills, food and recreation, was £924 per month. This equates to £11,088 per year.

Although this is an average cost, your true cost of living will depend on your location. Living in major cities such as London will draw significantly higher rent and travel costs than living in more rural locations. Although your living situation will in large be driven by the university you undertake your PhD with, you should factor it in when deciding which universities to apply to.

To put this into perspective, the survey average of £11,088 per year uses a rent average of £418 per month. In London, this average increases to £650 a month and can surpass £1,000 if staying in university halls or private student accommodation. This is supported by University College London (UCL) who state you should expect an average rent of £1,028 per month if living in private accommodation around their university.

Tip  – You can use this handy calculator for an estimated average cost of living for any UK university. All you need to do is select the university, and the calculator does all the rest.

If you’re an international student, you should factor in return flights back home. Although this may seem like a small expenditure compared to tuition fees and rent, they can add up quickly depending on the frequency and distance of your trip.

Finding a PhD has never been this easy – search for a PhD by keyword, location or academic area of interest.

How to Fund Your PhD

Studentships.

A studentship is a form of scholarship for doctoral students. They can either be partially funded, which cover tuition fees only, or fully funded, which also covers living costs through a ‘stipend’.

Studentships can be found in various places. Research Councils (RCUK) and European Social Fund (ESF) make funding available to university departments, who in turn make the funding available to doctoral students. Therefore, you will find that there are many postgraduate funding opportunities available to you, with the best places to look being the RCUK and ESF websites and the university departments themselves. External institutions which focus on research and development such as research trusts and charities would also be a useful place to look for a funded PhD.

Doctoral Loans

If you’re a UK student, you may qualify for a Postgraduate Doctoral Loan from Student Finance England. This form of financial aid is available for nearly all postgraduate research degrees undertaken in a higher education setting. They will allow you to borrow up to a total of £28,673 for 2023/24 courses .

Graduate Teaching Assistantships

Graduate Teaching Assistantships are a form of studentships which allow you to teach undergraduates as part of your research degree. This not only helps improve your academic skills, but it also enables you to receive a salary whilst you’re studying. As well as teaching assistantships, some departments also provide opportunities for demonstrations, marking papers, and tutorial support. The amount you can earn through these schemes will depend on how many hours you work and what agreements you make with your supervisor or course leader.

Working Whilst You Study – Part-time PhDs

A research student may opt for a part-time PhD as opposed to a full-time one. Although this would double the duration of their studies, it allows them to take on a part-time job to improve their financial situation. For students going down this route, it would be highly beneficial to pick up a part-time role in a position related to your industry. This will help refine your skills and increase your employability within this career role should you choose to pursue it after your degree.

If you’re an international student, keep in mind that you’ll likely be on a study visa. Therefore, there’ll be certain restrictions on what you can and can’t do alongside your study.

How Does This Compare to the Fees in Other Countries?

When considering the tuition fee of PhDs across different countries, the United Kingdom is generally considered as being in the ‘middle-ground‘ region.

A handful of countries offer PhD programmes for free. These include, but are not limited to, Denmark, Greece, Iceland, Norway and Poland.

The middle-ground region comprises countries such as Austria, Spain, Russia and New Zealand where postgraduate fees range from £1,400 to £4,000 per academic year.

The upper-end region comprises countries such as Hong Kong and the United States, where postgraduate tuition fees for a PhD student can go up to £33,000 per year.

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