International Relations Dissertation Topics: Researchable Ideas for All Academic Level Students

Strong international relations dissertation topics share four features: one actor or pair of actors, one mechanism, a defined period and an evidence source you can actually reach. Before you commit to an idea, test it against these questions.

• Which theory, whether realism, liberal institutionalism, constructivism or a critical approach, will let me test something rather than only describe it?
• Can I reach the evidence, such as conflict event data, SIPRI figures, UN voting records, treaty texts or declassified files, in a language I read?
• Is the event settled enough to analyse, or is a treaty, ruling or negotiation still moving under me?
• Will my university’s ethics process allow the interviews or surveys I have in mind within my timetable, or should I use documents and datasets instead?
• Does my question belong in international relations, or is it really comparative politics, international law or development studies?

International relations covers how states, international organisations and non-state actors interact. Twenty-nine topics follow, mostly in security, international institutions, economic statecraft and global governance, with some law-adjacent questions approached through an IR lens. Questions about one country’s parties, elections or institutions fit better under political science dissertation topics, and aid or poverty questions fit under international development dissertation topics.

Position correct as of October 2026. Several topics depend on treaties, withdrawals and rulings that are still moving, so each one states the stage reached. Check the UN Treaty Collection for the current status of any treaty before you submit.

Arms control and the nuclear order

1. How far does the expiry of New START on 5 February 2026 change strategic stability between the United States and Russia?

Suits Master’s level. The treaty lapsed with no successor, after Russia suspended its participation in 2023 and offered informal observance of the central limits for one more year. Washington instead called for a modernised arrangement that also covers China. A strong study fixes a baseline before 2026, so it can separate what expiry changed from a competition already under way. Official statements from both governments and SIPRI Yearbook warhead estimates give you the core evidence. The main pitfall is treating the expiry date as the cause of every later move. The position is still developing, so state the date you stopped collecting sources.

2. What explains the failure of the 2026 NPT Review Conference to adopt a consensus document, compared with 2015 and 2022?

Suits Master’s level. The conference ran from 27 April to 22 May 2026 and closed without an outcome document, the third review conference in a row to do so. Comparing the three lets you ask whether the same blocs blocked agreement each time or whether the dividing lines moved. Draft texts and the president’s revisions sit in the UN Office for Disarmament Affairs documents library, and UN meetings coverage records who said what. Sort states into coalitions first, then check whether the coalitions hold. Accounts disagree about which paragraphs caused the breakdown, so report the rival explanations and test each against the drafts.

3. Whether the E3 snapback notification of 28 August 2025 was effective: standing, Resolution 2231 and Security Council practice

Suits Master’s and PhD level. France, Germany and the United Kingdom notified the Council, and the UN Secretariat treats the earlier sanctions on Iran as re-applied from 27 September 2025. China, Russia and Iran argue that the E3 lacked standing and that Resolution 2231 terminated on 18 October 2025. The legal route compares the resolution’s text with Council records and letters. The political route asks why some states accepted one reading and others the opposite. Present each side’s argument at full strength before evaluating either, and say plainly that the disagreement remains unresolved.

4. Which arguments do states use to present the Treaty on the Prohibition of Nuclear Weapons as a challenge to the NPT order?

Suitable for undergraduate level. The prohibition treaty entered into force on 22 January 2021, and its supporters describe it as pressure on nuclear-armed states and their allies. Pick two groups, for example supporters and NATO members, and compare what each says in UN General Assembly First Committee statements. The project stays with documents you can read in English, so no fieldwork is needed. A common slip is summarising the treaty text instead of comparing arguments, so build the comparison around three or four claims, such as legitimacy, deterrence and the NPT’s authority.

Alliances and European security

5. What drives differences among NATO members in meeting the 2025 Hague commitment of 3.5% core defence spending by 2035?

Suits Master’s level with basic statistics. Leaders agreed on 24 and 25 June 2025 to reach 5% of GDP by 2035, split into 3.5% for core defence and 1.5% for defence and security-related spending. Compare allies using the SIPRI Military Expenditure Database and NATO’s annual expenditure reports, with explanatory variables such as distance from Russia, public debt and type of government. The 1.5% category is still being defined, so treat it cautiously and use the 2014 Wales pledge as a comparison. Write down your coding rules, because countries do not report on identical bases. The statistical test selector can help you choose between a panel regression and simpler comparisons.

6. To what extent did the end of UK-EU talks on SAFE on 28 November 2025 expose limits in the May 2025 Security and Defence Partnership?

Suits undergraduate or Master’s level. The partnership was agreed on 19 May 2025, but talks on UK participation in the EU’s SAFE defence procurement instrument ended without agreement. UK firms can still take part on third-country terms, which cap non-EU content at 35%. Trace the sequence through Hansard, Commission statements and think-tank analysis, then ask whether asymmetric dependence, French industrial interests or the terms of financial contribution fit the outcome most convincingly. Do not read the collapse as the end of the partnership, because other strands such as military mobility continued. Talks could resume, so date your cut-off.

Courts, treaties and compliance

7. Why did Hungary reverse its Rome Statute withdrawal in May 2026 while Burkina Faso, Mali and Niger proceeded in June 2026?

Suits Master’s and PhD level. Hungary notified withdrawal on 2 June 2025 and revoked the notice on 29 May 2026, days before it would have taken effect. Niger deposited its notice on 18 June 2026, and Burkina Faso and Mali on 24 June 2026, so under Article 127 their exits take effect in June 2027 unless reversed. A paired comparison asks which domestic and regional factors separate the outcomes, such as political change, alliance ties and exposure to ICC investigations. Evidence comes from UN depositary notifications, statements by the Assembly of States Parties and the Court, and government communiqués. Withdrawal does not remove matters already under the Court’s consideration, so check each state’s case status. Further states have announced withdrawals since, so confirm the current list before you write. For the legal side, see humanitarian law dissertation topics.

8. How should the influence of the ICJ’s 23 July 2025 climate advisory opinion on state behaviour and domestic litigation be measured?

Suits Master’s level. The opinion was unanimous and is not legally binding. It held that states’ climate obligations arise from the climate treaties, customary international law and human rights law, with a due diligence standard. Test influence with a defined indicator rather than assuming it: count citations of the opinion in domestic climate judgments, in UNFCCC submissions and in later international pleadings, then compare with the period before the opinion. Climate litigation databases such as the Sabin Center’s are a practical starting point for cases. Influence takes time, so state your observation window openly. For wider climate material, see climate change dissertation topics.

9. Can a state place a treaty “in abeyance”? The Indus Waters Treaty, the 31 August 2026 award and India’s rejection

Suits Master’s and PhD level. India announced in April 2025 that it was holding the treaty in abeyance. On 31 August 2026 a Court of Arbitration, with the Permanent Court of Arbitration as secretariat, held unanimously that the treaty remains in force and that none of India’s stated grounds justified suspension or termination, and it issued interim measures concerning the Ratle hydroelectric plant. India rejects the court as illegally constituted and says abeyance continues. A doctrinal project can set out each government’s reading of the treaty’s own dispute provisions and of the general law on suspension, termination and changed circumstances. Quote both governments from primary statements, keep the legal question apart from the security dispute, and note that enforcement now rests on politics rather than a court. The position is still moving.

10. How effectively has General Assembly resolution 76/262 held permanent members to account after Security Council vetoes?

Suits Master’s level. The resolution was adopted on 26 April 2022 and provides for an Assembly debate within ten working days of a veto. Test its effect by comparing post-veto debates with a defined baseline, using General Assembly records and the UN Library’s Security Council veto list. Content analysis can show whether vetoing states change how they justify votes under questioning, and whether other members repeat or drop their criticism. Counting debates shows that the mechanism operated, not that it mattered, so choose an outcome measure such as the wording of later votes.

11. What does the unratified UK-Mauritius treaty of 22 May 2025 show about reconciling the ICJ’s 2019 advisory opinion with allied basing needs?

Suits undergraduate or Master’s level. The Court advised in 2019 that the UK’s administration of the archipelago should end as rapidly as possible. The 2025 treaty recognises Mauritian sovereignty while securing long-term operation of the Diego Garcia base. Ratification has since stalled amid arguments about the 1966 US-UK agreement, and at last check the treaty was signed but not in force. Process tracing through Hansard, the treaty text, Foreign Office statements and commentary shows how legal obligation, allied interest and domestic politics interacted. Treat delay as a finding rather than abandonment, and check Parliament’s treaty record before you submit.

12. Does the 12 July 2016 South China Sea arbitral award shape how claimant states justify their positions?

Suitable for undergraduate level. The tribunal, constituted under UNCLOS in the case brought by the Philippines, found no legal basis for China’s claim to historic rights inside the nine-dash line beyond those the Convention allows. China does not accept the award. Choose two or three claimant states and compare how their foreign ministry statements cite or avoid the award in the years after 2016. A simple table of statement dates and wording gives you a clear dataset. Be precise about what the tribunal did not decide: it did not rule on sovereignty over land features. For related legal material, see maritime law dissertation topics.

Sanctions, trade and economic statecraft

13. How has the UK used the Sanctions and Anti-Money Laundering Act 2018 to diverge from, or follow, EU and US designations?

Suits Master’s level. The Act gave the UK its own sanctions powers after Brexit. A descriptive quantitative study can compare timing and overlap of UK designations with those of the EU and the United States, using the UK’s published sanctions list, the EU sanctions map and US Treasury designation lists. Define the unit of analysis early, for example one designated person on one date, and decide how to handle later amendments to existing entries. Differences in timing mean little unless you also check the legal basis, otherwise you risk reading procedure as policy.

14. What limits the explanatory power of sanction threats in the TIES dataset once selection effects are modelled?

Suits PhD or strong Master’s level. Threats are not made at random: they tend to occur where compliance is already likelier, so naive comparisons flatter their success. Using the Threat and Imposition of Sanctions dataset, model threat and outcome jointly, for instance with a selection model, and compare with results from the Global Sanctions Database. Coverage ends well before the present, so claims about recent sanctions need extra data or a clearly limited sample. Check the coverage of the current releases before you fix your design.

15. How far will the definitive phase of the EU carbon border adjustment mechanism provoke formal responses from major exporters?

Suits Master’s level. The definitive phase began on 1 January 2026, although certificates can only be bought from February 2027 and the first annual declaration is due by 30 September 2027. Because payments have not yet been made, trade-flow effects are too early to measure, whereas diplomatic and WTO responses are not. Code statements by major exporters, for example at WTO committee meetings and in bilateral talks, by type of objection and level of formality. Then compare them with objections raised during the 2023 to 2025 reporting phase. Further EU rules may adjust the dates, so cite the version of the regulation you use.

16. Did the United States’ October 2022 semiconductor export controls change Dutch and Japanese licensing rules, and through which channels?

Suits Master’s and PhD level. The US Bureau of Industry and Security issued sweeping controls on advanced chips and chipmaking tools on 7 October 2022, and the Netherlands and Japan introduced their own licensing measures in 2023. A comparative process-tracing design can test whether alignment followed US pressure, domestic firm interests or shared threat perception. Use the Federal Register rules, Dutch and Japanese government notices and company filings, with Eurostat and UN Comtrade data as a check on practical effects. Avoid assuming the pressure explanation by default, and show how you rule out the others.

Cyber and space rules

17. Which state characteristics predict early signature of the UN Convention against Cybercrime after it opened on 25 October 2025?

Suits Master’s level. The convention enters into force 90 days after the 40th ratification. When checked in early October 2026 it had more than 90 signatories but only a handful of ratifications, and signature stays open until 31 December 2026. Build a dataset of signatories coded for regime type, for example V-Dem scores, membership of the Budapest Convention and regional group, then ask which characteristics predict signing and, separately, ratifying. Signature does not bind a state, so keep the two stages distinct. Update the counts on the day you finalise. For the technical side, see cybersecurity dissertation topics.

18. Is the UK’s treatment of sovereignty as a principle rather than a standalone cyber rule shared by other states in the 2021 UN compendium of national positions?

Suits undergraduate or Master’s level. The UK government set out in 2018 that it treats sovereignty as a principle rather than a standalone rule that cyber operations below the use of force can breach. Several other European states take a different view in the national contributions compiled in the 2021 report of the UN Group of Governmental Experts. Compile a short table of positions and test whether the divide follows alliance, legal tradition or cyber capability. Check whether the UK has restated or changed its position since, before you describe it as current.

19. Do the Artemis Accords’ safety zones fit the non-appropriation principle in Article II of the Outer Space Treaty?

Suits Master’s level. The Accords, launched in 2020, allow signatories to declare safety zones around lunar activities, while Article II of the 1967 Outer Space Treaty bars national appropriation of outer space. A doctrinal comparison of the two texts, plus the positions of signatories and of Russia and China, shows whether safety zones are better read as coordination or as a step towards control. Use the treaty texts, signatory statements and records of the UN Committee on the Peaceful Uses of Outer Space. Stay with what the texts say rather than predicting future lunar bases.

Oceans, water and shared resources

20. What will shape the pace at which the BBNJ Agreement moves from entry into force on 17 January 2026 to designated high seas protected areas?

Suits Master’s level. The High Seas Treaty reached its 60th ratification on 19 September 2025 and entered into force on 17 January 2026, with its first Conference of the Parties due within a year. Early conferences set procedures rather than designating areas, so a realistic project examines the conditions that will shape later designation: who has ratified, who funds implementation and how decision rules work. Compare with how regional bodies under the OSPAR Convention designated marine protected areas beyond national jurisdiction. Use UN Treaty Collection status, preparatory commission reports and the treaty’s decision-making provisions. Avoid forecasting, and frame findings as conditions and risks.

21. How did drought shape cooperative and conflictual water events in the Mekong basin between 1990 and 2008?

Suits Master’s or PhD level with quantitative training. The Transboundary Freshwater Dispute Database codes cooperative and conflictual interactions between states, and the older Basins at Risk event record ends in 2008. Pair those events with a drought index such as the Standardised Precipitation-Evapotranspiration Index, and control for treaties and the Mekong River Commission. A single basin suits this design because upstream dams and downstream dependence are well documented. Put the cut-off in your title and acknowledge the missing recent years instead of filling them with unsystematic news coding.

Regional orders and middle powers

22. What changed in trade and mobility for Burkina Faso, Mali and Niger after leaving ECOWAS on 29 January 2025?

Suits undergraduate or Master’s level. The three states left after forming the Alliance of Sahel States. A before-and-after comparison can use UN Comtrade trade statistics, the rules each side adopted on border crossing and tariffs, and ECOWAS and Alliance communiqués. ECOWAS sanctions on Niger after the 2023 coup overlap your pre-period, so separate their effects before attributing change to the exit. Choose two or three measurable indicators rather than “integration” in general.

23. Where do middle powers sit between the United States and China in UN General Assembly ideal point estimates since 2014?

Suits Master’s level. Erik Voeten’s General Assembly voting data and the ideal point estimates built from them let you place states on a scale between the two powers. Choose a set of middle powers, define the period, and test whether alignment shifts after specific events or on particular issue types. Ideal points compress many votes into one number, so check results on issue-specific subsets such as human rights and Middle East votes. Explain how you treat abstentions.

Testing theory against data and archives

24. Are democratic dyads involved in less severe militarised interstate disputes after 1990?

Suits Master’s level. Correlates of War militarised interstate dispute data record the hostility level of disputes between states, and regime scores can be added from Polity or V-Dem. Test whether democratic pairs reach lower hostility levels than other pairs, controlling for contiguity, power ratios and alliances. Release coverage ends in the mid-2010s, so say plainly which years your sample covers. States choose which disputes to escalate, so discuss selection in the design rather than leaving it to a limitations paragraph.

25. How did Whitehall assess the risk of Argentine action over the Falkland Islands before April 1982?

Suits undergraduate or Master’s level. The Falkland Islands Review (the Franks Report, 1983) examined what ministers and officials knew before the invasion. Foreign Office and Cabinet Office files at The National Archives let you test its account against the original papers. Choose a defined period, such as the months before March 1982, and trace how warnings were assessed and by whom. Archive work needs a realistic visit plan, so check which files are digitised before committing. Judge decisions against what officials could know at the time, not against what followed.

26. Had peaceful options been exhausted before March 2003? Reading the Iraq Inquiry against the diplomatic record

Suits undergraduate or Master’s level. The Report of the Iraq Inquiry, published on 6 July 2016, concluded that the UK joined the invasion before peaceful options for disarmament had been exhausted. You can test that finding by reading its evidence volumes against the options discussed at the UN in late 2002 and early 2003, and by setting out the arguments of those who disagreed. The documents are public, so no fieldwork is needed. Your task is to evaluate evidence rather than restate the verdict, so define what “exhausted” means in your framework before you read.

Norms, gender and humanitarian policy

27. Have the Syrian chemical weapons attacks of 2013 and 2017 weakened or reinforced the prohibition norm?

Suits undergraduate or Master’s level. Syria acceded to the Chemical Weapons Convention in 2013 after the Ghouta attack, and in 2018 the OPCW created an investigation team with a mandate to identify those responsible for use. With constructivist norm theory, test whether reactions to later attacks show the norm being reinforced through condemnation, sanction and institutional change, or weakened through non-enforcement. Evidence comes from OPCW investigation reports and Security Council records. Avoid judging a norm from a single event, and compare at least two.

28. To what extent have UK National Action Plans on Women, Peace and Security changed policy since UNSCR 1325 in 2000?

Suits undergraduate or Master’s level. The Security Council adopted Resolution 1325 on 31 October 2000, and the UK has since published successive National Action Plans. Use the plans, parliamentary committee reports and departmental annual reports to ask whether commitments changed deployments, training or funding, as opposed to wording. Define three or four measurable commitments from one plan and track them. Without internal data you can claim only what published sources show, so phrase conclusions carefully.

29. How have refugee-hosting states used the 2018 Global Compact on Refugees and Global Refugee Forum pledges to bargain over burden-sharing?

Suits undergraduate or Master’s level. The General Assembly affirmed the Compact in December 2018, and the Forum met in 2019 and 2023 to gather pledges. Compare pledges by hosting states and wealthier donors using UNHCR’s published pledge and contribution data, and ask whether pledges track hosting burden or donor interest. A pledge is not delivery, so add a measure of fulfilment where UNHCR reports one. Focus on four to six countries instead of the whole world.

How to choose among these international relations dissertation topics

Match the question you are asking to a method first, and the evidence follows from that choice. The table shows the pairings most IR dissertations use.

If your question asks	Method that fits	Typical evidence	Common trap
Why do states differ?	Quantitative comparison	UCDP, Correlates of War, SIPRI, V-Dem, UN voting data	Selection and endogeneity
How did one decision happen?	Process tracing	Archives, Hansard, official statements	Hindsight bias
Why did two similar cases diverge?	Paired case comparison	Treaty texts, depositary records, communiqués	Choosing cases by outcome
What does a legal text allow?	Doctrinal analysis	Treaties, judgments, awards	Treating advocacy as analysis
How do actors frame an issue?	Content or discourse analysis	Speeches, UN records, press statements	Unreliable coding

Narrowing a broad idea

Start with an issue, then cut it by actor, mechanism, period and evidence until a dataset or document set answers it. For example, “climate and security” becomes shared rivers, then the Mekong basin, then drought and water events, then 1990 to 2008 using one event database. The dissertation topic finder can generate starting points, and the guide on turning an idea into a research question shows how to phrase the result.

What each level expects

An undergraduate project usually applies an established framework carefully to one case, using sources you can read without special access. A Master’s dissertation is expected to choose between competing explanations using evidence you assemble yourself. A PhD must contribute to a theoretical debate rather than only to a case literature. The same subject can support all three, so check your programme’s marking criteria before settling on scope. If your method chapter is the sticking point, dissertation methodology help covers design choices such as case selection and sampling.

Mistakes that cost marks in IR

• Writing the news: describing events without naming the mechanism that links cause to outcome.
• Choosing a theory after the evidence is in, so the theory fits by design rather than by test.
• Ignoring selection: states that sign treaties are often those most likely to comply anyway.
• Relying on one side’s account of a contested event, such as a border or water dispute.
• Describing a treaty as in force when it is only signed, or a withdrawal as complete when it can still be reversed.
• Using a dataset whose coverage ends before your period begins.

Worked examples: aims and objectives

From topic 5: NATO spending after the Hague commitment

Aim: To explain why NATO members differ in the pace at which they raise core defence spending towards the 3.5% commitment.

1. Build a country-year dataset of members’ defence spending as a share of GDP from 2014 to the last year reported.
2. Test whether distance from Russia, public debt and type of government predict changes in spending.
3. Compare the results with the response to the 2014 Wales pledge.

From topic 7: Rome Statute withdrawals

Aim: To identify which factors distinguish Hungary’s reversal of its withdrawal from the decisions of Burkina Faso, Mali and Niger to proceed.

1. Reconstruct the timeline of each notification from UN depositary records.
2. Code each state’s domestic and alliance conditions at the time of its decision.
3. Assess which conditions account most convincingly for the difference.

From topic 26: the Iraq Inquiry

Aim: To evaluate whether the Inquiry’s finding that peaceful options had not been exhausted is supported by the diplomatic record of late 2002 and early 2003.

1. Define criteria for “exhausted” options from the diplomacy and coercion literature.
2. Map the options discussed at the UN and in Whitehall against those criteria.
3. Weigh the Inquiry’s conclusion against the strongest counter-arguments.

Questions students ask about IR dissertation topics

What makes a good international relations dissertation topic?

A good topic names one actor or dyad, one mechanism and one period, and can be answered with evidence you can reach within your word limit. “Why did Hungary reverse its ICC withdrawal while three Sahel states proceeded?” meets that test. “The ICC and Africa” does not.

Can I write about an ongoing conflict or treaty dispute?

Yes, if you fix a cut-off date, state the stage the dispute has reached and quote each side from primary statements. Ask about a mechanism, such as how a decision was reached, rather than about an outcome that has not happened yet.

Which datasets do IR students use most?

Common choices are the Uppsala Conflict Data Program for conflict events, Correlates of War for disputes and alliances, SIPRI for military spending and arms transfers, V-Dem for regime type, and UN General Assembly voting data for state preferences. Check each dataset’s coverage dates before building a design around it.

What is the difference between an IR and a political science dissertation?

International relations studies interaction between states, institutions and global actors. Political science also covers domestic politics, such as parties, elections and public policy. Foreign policy analysis sits between the two because it explains external action through domestic factors.

Do I need ethics approval for an IR dissertation?

Interviews and surveys with people normally need approval from your university’s ethics process, and that takes time. Projects using documents and public datasets usually need less, but the rules differ by institution, so ask your department early.

How do I stop my topic going out of date?

Set a cut-off date for your evidence, check the status of any treaty or ruling again a few days before submission, and say in your methods section when you last checked.

Once one idea survives these questions, turn it into a single question with the research question generator, then draft aims and objectives with the aims and objectives generator. If you want a second opinion on scope and method before committing, research proposal support works at that stage. Agree your final title with your supervisor, and use any material here as reference and learning support in line with your institution’s academic integrity policy.