This research cluster is a part of the Institute of Political Science’s research programme ‘Institutions, Decisions and Collective Behaviour’. Its members examine the sources, design, effects and contestation of norms, rules, institutionalised practices and formal organisations that operate across national…

Study the MSc in Political Science: International Organisation at Leiden University in The Hague. Learn about international institutions, governance, and global policy.

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Note: MSc International Organisation application deadlines at Leiden University are 1 April for students requiring a visa, and 15 May for others.

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Check the tuition fee for MSc International Organisation at Leiden University: €2,601 for EU/EEA (2025‑26) and approx. €21,600 institutional fee for non‑EU students.

What makes some international organisations more likely to succumb to crises where others manage to survive or even thrive? And what can international organisations do to become resilient and withstand existential challenges? Political Scientist Gisela Hirschmann (Leiden University) studied the example…

Using the League of Nations’ responses to early crises as an explorative historical case study, Political Scientist Gisela Hirschmann investigates how international organisations perceive and respond to existential threats.

This page provides an overview of the MSc International Organisation specialisation at Leiden University (The Hague). Includes curriculum, thesis seminar, small-group teaching and internship possibilities.

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International organisations that represent collaborations between States are becoming increasingly more powerful, and they have an increasing impact on our daily lives. For example, the European Court of Human Rights in Strasburg established that minors have a right to legal aid immediately following…

The MSc International Organisation is offered by Leiden University in The Hague. This page explains why students choose this programme and location.

Learn how to apply for the MSc International Organisation at Leiden University in The Hague. Covers admission requirements, deadlines, required documents and the application procedure.

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Can international organisations be held responsible for violations of international law by peacekeepers in a peacekeeping operation?

William Lippert investigates the effect of delegation to an agreement executor on success of conventional arms control agreements in Europe.

This research explores how international organisations responded to the humanitarian and human rights challenges brought about by COVID-19.

Are you interested in international organisations, issues of peace and security, or current changes in global political relations? Would you like to study the causes of terrorism and the resolution of violent conflicts? Develop your scholarship and skills in international affairs in The Hague.

The International Labour Organisation (ILO) was established in 1919 based on the premise that social justice is a condition for lasting peace. On February 2019 the ILO celebrated its 100th anniversary with an international symposium to consider the future of the ILO.

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Buitelaar argues that IOs micro-level discourse adapts imperfectly to macro-level changes, balancing adaptation to pressures with commitment to values.

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Organisations like the UN and the EU should be given more powers to combat transboundary problems. This is the message of a report published by the Swedish SNS Democracy Council, whose authors include Prof. Jan Aart Scholte of Leiden University. The researchers also wrote the following article.

Article by Leiden University political scientist Daniel Thomas about shifting norms for membership in international organisations.

From 1 August 2018, Alanna O'Malley was appointed as Chair of United Nations Studies in Peace and Justice, focusing on the ‘lesser-known actors’ of the UN: women, the youth, the agents of informal diplomatic networks within the UN and actors from the Global South. This Special Chair has been created…

It is difficult to hold international organisations (IOs) accountable for human rights violations. Gisela Hirschmann (Institute of Political Science, Leiden University) introduces the concept of pluralist accountability, whereby third parties set the standards for IOs’ actions in relation to human rights,…

During this lunch seminar, Yanbin Ma, PhD candidate at Fudan University and GTGC guest researcher, presented on issue complexity, strategic construct and cooperation among international organisations.

The book reinterprets the role of the UN during the Congo crisis from 1960 to 1964, presenting a multidimensional view of the organisation.

A conference organized by Niels Blokker, professor of International Institutional Law and Ramses Wessel (RUG) to celebrate the 20th anniversary of the International Organizations Law Review.

Forum editors: Seda Gürkan, Institute of Security and Global Affairs (ISGA), Faculty of Governance and Global Affairs (FGGA), Leiden University, s.gurkan@fgga.leidenuniv.nl and Özlem Terzi, Vrije Universiteit Amsterdam, o.terzi@vu.nl

Professor Niels Blokker, Schermers Chair and Professor of International Institutional Law, and Dr Brian McGarry, Assistant Professor of Public International Law (Grotius Centre for International Legal Studies), organised a first-of-its-kind conference at the headquarters of the International Criminal…

Political Scientist Gisela Hirschmann (Leiden University) asks how international organisations can be compelled to comply with respect human rights. She finds that this is done through ‘pluralist accountability’: external third parties such as courts, NGOs, or regional organisations holding international…