How to Become a Diplomat: a Complete Guide

So you want to represent your country on the world stage? Diplomacy is one of the most rewarding – and competitive – careers you can pursue. If you’re wondering how to become a diplomat, the career path is long but entirely achievable with the right preparation. And the good news? The earlier you start, the better your chances.

In this guide, we’ll walk you through everything from the choices you make at school right through to landing your first role in the diplomatic service.

We also discuss Dukes Plus’s Young International Politics Summer Experience, an incredible politics summer school in London for students aged 15-18.

Interested in politics but not decided on your career? You may find our guide to how to become an MP interesting.

What Does a Diplomat Actually Do?

Before we dive into how to become a diplomat, it’s worth being clear about what the job actually involves. Diplomats are government officials whose role is to promote and protect their country’s interests overseas – and that covers a surprisingly broad range of work.

Most diplomats begin as generalists and later specialise. Common roles include:

• Consular officer – helping citizens who get into difficulty abroad, from lost passports to emergencies
• Political officer – building relationships with the host country, monitoring political developments and reporting back to the home government
• Economic officer – supporting trade deals, encouraging inward investment and representing national business interests
• Public diplomacy officer – engaging with the local public to build mutual understanding between the two countries

Once established, diplomats typically spend time in a home-based role before moving to overseas postings of around three years each. After that, roles tend to change every three to four years, but diplomats generally apply for each posting based on their own preferences and career ambitions.

It is genuinely varied, international work – but becoming a diplomat is also fiercely competitive. Entry programmes in most countries receive thousands of applications each year, with acceptance rates often below 5 per cent.

Starting Early: What to Do at School

The path to a diplomatic career really does begin at school. You don’t need to have everything figured out, but the habits and experiences you build now will matter enormously when you’re applying to diplomatic training programmes five or six years from now.

Choose Your Subjects Wisely

There is no single prescribed combination of subjects for aspiring diplomats, but some give you a clear head start. History and Politics develop your analytical thinking and gives you context for how the modern world came to be, how nations interact, and how political processes work. Economics and Geography can also directly support diplomatic work.

Strong written communication is valuable too, as clear, precise writing is one of the most important skills you can have in this career. Taking a couple of essay writing subjects at A Level or IB is vital for developing these skills.

You should also strongly consider taking at least one Modern Foreign Language as far as you can. Language skills are highly valued in the diplomatic service and will open doors throughout your career. French, Spanish, Arabic, Mandarin and Russian are particularly sought-after given their global reach and geopolitical significance.

Although most countries’ allow prospective diplomats to learn a new language before a posting, having a headstart will nonetheless be an advantage when applying for jobs in diplomacy.

Get Involved in Debating and Model UN

One of the best things you can do as a teenager interested in diplomacy is join your school’s debating society – and if your school offers Model United Nations (MUN), throw yourself into it.

Model UN involves many of the same activities that actual UN delegates participate in, making it a great way to learn how different countries and committees work together to solve problems. Universities also value MUN experience, so it will help support your applications.

Competitive debating sharpens complementary and equally important skills: constructing arguments under pressure, responding to challenges on your feet, and communicating confidently. Taken together, debating and MUN are arguably the most useful extracurricular combination for any aspiring diplomat at school.

Read Widely and Stay Informed

Diplomats need a detailed, nuanced understanding of the world. Develop the habit of reading quality news sources and following international affairs closely. Familiarise yourself with your own country’s foreign policy priorities, and read about current conflicts, trade negotiations and multilateral institutions like the UN, NATO and the WTO.

Keep a note of the topics and regions that genuinely interest you. Specialisation comes later, but having informed opinions and genuine curiosity about global affairs will come across in every application and interview you ever do.

Seek Out Work Experience

Politics work experience at this age is about building skills and demonstrating curiosity. Experience of research, analysis, communication and team working in a political setting are invaluable, whether your experience is paid or voluntary.

Think about placements with elected representatives, government bodies, or NGOs that work internationally. Volunteering with organisations that help refugees or migrants, for example, is both meaningful and relevant. Any experience that puts you in a cross-cultural environment, or that gives you a taste of how government works, is worth pursuing.

Opportunities like Dukes Plus’s Young International Politics Summer Experience can be a fantastic way to immerse yourself in a career in politics and diplomacy.

University: What to Study and Where

What Degree Do You Need to Become a Diplomat?

The short answer is there is no single best subject to study. A degree in any subject can lead to a diplomatic career, but many diplomats choose to study international relations, foreign policy, political science, sociology or cultural anthropology, as these help develop a strong grounding in global affairs. History, Economics and Modern Languages are also excellent choices, individually or as joint degrees.

Application requirements for the diplomatic service vary by country, but in most cases you will need at least a good second-class degree – and a stronger result will make you a more competitive candidate. Some specialist routes, such as economics-focused diplomatic tracks, require a higher-grade degree in a relevant subject.

Where to Study

Some universities have particularly strong reputations for politics and international relations. If you are based in the UK, the top-ranking universities for politics and international relations often include the Oxford, LSE, Cambridge, KCL, SOAS and UCL. Strong degrees are also offered at the University of Edinburgh, St Andrews, Warwick, Manchester, Durham and Sheffield.

If you are studying elsewhere in the world, it’s advisable to start your university search by looking at the best universities in your destination country for your chosen subject (whether that’s Politics, Economics, Modern Languages, History or something else).

What matters most is that you choose a university where you can excel academically and where you’ll have access to strong societies, speakers and networks relevant to your interests.

Make the Most of Your Time at University

Your degree is just the beginning of what you should be doing at university. Here are the most important things to pursue alongside your studies:

1. Apply for government internship programmes. Many foreign ministries and diplomatic services run internship or insight schemes for undergraduates. In the UK, the Civil Service Summer Internship Programme gives students a preview of diplomatic careers and significantly strengthens later applications. Research what equivalent schemes exist for your country’s foreign service.
2. Learn a language. If you haven’t studied a language formally, use your time at university to build one – or deepen one you already know. Taking language courses, spending a year abroad as part of your degree, or participating in exchange programmes all give you practical experience and make you a stronger candidate.
3. Broaden your experience. Volunteer, join student politics, write for the student newspaper on international affairs, attend public lectures, and apply for any internships with government, NGOs or international organisations you can find. Any experience that develops your analytical, communication and cross-cultural skills will stand you in good stead.

Entering the Diplomatic Service: Your Main Route In

The primary entry route in most countries is a structured graduate training programme run by the foreign ministry. In the UK this is the Civil Service Fast Stream – Diplomatic and Development (DD) scheme, a five-year programme designed to fast-track graduates into senior roles.

Other countries have their own equivalents: France has the Institut National du Service Public (INSP), the United States runs the Foreign Service Officer exam and assessment process, and many other nations have similarly competitive graduate entry routes.

Whatever country you’re applying in, the core elements tend to be similar: an initial written application, online assessments, and a demanding assessment centre designed to test your analytical thinking, communication, judgement and leadership potential.

Eligibility

Entry requirements differ by country but typically include citizenship, a minimum period of residence in your home country, a good degree, and security clearance. Security vetting usually involves detailed background checks covering your personal history, finances and family connections.

The Application and Assessment Process

Most diplomatic service entry processes test a consistent set of competencies: analytical thinking, written and verbal communication, decision-making under pressure, and the ability to see issues from multiple perspectives.

Preparation is essential. Find out as much as you can about the test you will be taking and practise for it. It’s also always advisable to read widely about current foreign policy issues, develop an understanding of your country’s strategic objectives, and be ready to demonstrate genuine knowledge of and passion for the work.

What the Early Career Looks Like

In the UK Fast Stream, your first 12-month placement is typically home-based in a policy role – perhaps as a desk officer for a specific country or working on thematic issues like human rights or counter-terrorism. After that, placements take you overseas, and over the course of the scheme you’ll build a portfolio of experience across policy and operational roles.

Career structures elsewhere follow broadly similar patterns: home-based training, then a series of overseas postings, with your role typically changing every three to four years.

Other Routes into Diplomacy

A graduate fast-track programme is not the only route in. Many diplomatic services also recruit for administrative and operational roles that require fewer formal qualifications. These positions support the day-to-day running of foreign ministry departments and overseas missions and can lead to further opportunities over time.

Existing civil servants or government employees in other departments can also often apply to move into the diplomatic service once they have developed relevant skills and experience, so starting your career elsewhere in government is not a dead end.

Skills Needed to Become a Diplomat

Whatever route you take, certain qualities run through every successful diplomat’s career. Start developing them now:

• Communication – clear, precise, culturally sensitive communication in writing and in person is the foundation of everything.
• Analytical thinking – the ability to read a complex political situation, identify what matters, and explain it concisely to decision-makers.
• Resilience and adaptability – diplomatic life involves frequent relocation, adjusting to new cultures, and handling high-pressure situations.
• Integrity – diplomats hold positions of significant trust, and the vetting process is thorough precisely because the stakes are high.
• Genuine curiosity about the world – this is not a job you can fake enthusiasm for. The candidates who succeed are the ones who are genuinely fascinated by international affairs, politics, and foreign cultures.

Your Diplomatic Career: A Timeline Summary

This checklist condenses our advice on how to become a diplomat, with key actions to take at every age.

Stage	Key Actions
Ages 15–16	Choose strong subjects; join debating and MUN; follow international news
Ages 16–18	Pursue work experience in government or NGOs; develop language skills
University	Study a relevant subject; secure for a strong degree result; apply for government internship schemes; learn a language; continue with volunteering and work experience
Graduation	Apply to your country’s diplomatic service entry programme; prepare thoroughly for assessments
Years 1–5	Complete your training scheme; begin building your diplomatic career

Conclusion: How to Become a Diplomat

A diplomatic career is not for everyone. It demands sacrifice, adaptability and years of patient preparation. But for those with the right combination of intellectual curiosity, communication skills, and calm under pressure, it is a highly fulfilling career.

The Young International Politics Summer Experience

For students wanting to experience life as a diplomat or politician, Dukes Plus offers the Young International Politics Summer Experience – an immersive 1- to 2-week programme in London designed for ages 15-18.

You’ll:

• Learn from diplomats, politicians and policy experts
• Design and run an election campaign
• Tour the Houses of Parliament
• Create a political news broadcast from the Sky studio

If you’re passionate about a career in politics, this is a brilliant way to develop your knowledge, boost your university applications, and meet like-minded students from around the world.