The ECPR summer school on Interest Group Politics is celebrating its 10th anniversary. To celebrate this especial edition, this year’s summer school includes many renowned researchers and professors from around the world. In addition, as a part of the celebration, we are organizing an exceptional one-day…

This book analyses the emergence of modern parties in nineteenth-century Europe and explores their connection with the slowly developing institution of democracy.

It is with great sadness that we have learned of the death Professor Hans Daalder (4 May 1928 – 4 April 2016).

Reijer Passchier (Haarlem, 28 August 1987) PhD LLM LLB (Leiden University) is an Assistant Professor in Constitutional and Administrative Law at Leiden University. He is also a Professor of Digitalisation and the Democratic Constitutional State at the Open University.

Kai Hebel (DPhil, Oxford University) is Assistant Professor of International Relations. Dr. Hebel’s research interests include international security, diplomacy, international history, cultural studies and IR theory. He has published on a wide range of topics, including military intervention, the Cold…

Frank Pieke is a Professor Emeritus of Modern China Studies at the Institute for Area Studies.

Nikki Mulder is a PhD candidate and teacher at the Institute of Cultural Anthropology and Development Sociology of Leiden University. Her dissertation 'Financing Afterlives' examines how racial inequality shapes the consumption and use of life insurance policies in New Orleans, USA. This project is…

I am a scholar whose research focuses on the modern and contemporary United States. Though a historian by training, my work engages with insights from other disciplines, particularly international relations and American politics. I am currently the principal investigator on the NWO Vidi-funded project…

Recently, a new round of NWO XS grants was awarded. This grant is given to researchers with small, high-risk, innovative or promising research projects by the Dutch Research Council (NWO). In this round of the so-called Open Competition XS, no fewer than six researchers from the Institute of Political…

Ramsey Albers wins Political Science Master’s Thesis Prize 2022

What influence did the internal debates on the use of violence within left-wing activist movements, and the government’s response to this (political) violence, have on the development, level, and continuity of the violence originating from these movements in the period 1965–2015?

Robbert Visser has won the Political Science Master’s Thesis Prize 2017. His study in the field of Political Theory is the latest milestone along Visser’s (in his words) ‘long road to the master’s title’. The jury was impressed by his work: 'Deeply engaging, providing a critical and balanced analysis,…

Juan Masullo J., Assistant Professor at Leiden University’s Institute of Political Science, has been named a 2025 Harry Frank Guggenheim Distinguished Scholar. His research with Nicholas Barnes on public security policy preferences in Rio de Janeiro's favelas has been recognized for its innovative approach…

On June 24 and 25, 45 heads of state and government were in The Hague, the Netherlands, to attend the NATO Summit. High-stakes security issues were discussed at the summit, which occurred during a crucial moment in time.

This winter the OZSW offers a special PhD-course in Political Philosophy. The course discusses state-of-the-art themes and developments in political philosophy, and acquaints students with a broad range of teachers in political philosophy in the Netherlands.

Jeanine de Roy van Zuijdewijn, Chelsea Daymon and David Malet, wrote RESOLVE Network Research Report that examines career foreign fighters who have traversed from one insurgency to another.

Kantorowicz explores how gender stereotypes affect perceptions of leadership competence across crisis types, focusing on pandemic leadership traits.

Three new ministries have been formed in the Netherlands: Asylum and Migration, Housing and Spatial Planning & Climate and Green Growth. Of course, this is not merely an administrative act. These ministries carry a strong and political charge and play a crucial role in shaping a government's political…

This article 'Shaping the European External Action Service and its post-Lisbon crisis management structures: an assessment of the EU High Representatives’ political leadership' assesses the role, influence and core aspects of the EU High Representatives’ (HR/VPs) “political leadership” in the context…

Political scientists Tom Louwerse, Simon Otjes & Cynthia van Vonno introduce the Dutch Parliamentary Behaviour Dataset, a record of parliamentary (voting) behaviour in the Dutch Tweede Kamer (Second Chamber, House of Representatives) since 1945.

Political scientist Corinna Jentzsch (Leiden University) about the organisation of rebel and government auxiliaries in the civil war in Mozambique (1976–1992).

An experimental comparison of the impact of liberal norms on a population residing and socialised within a democracy (the Netherlands) with a population in an autocracy (China) and their respective supports for war with another state shows that the level of liberal norms in the democratic experimental…

Dutch election signals a return to the political centre, with voters seeking practical solutions both at home and across Europe. Bernard Steunenberg, Professor of Public Administration, cautions that losses for the PVV, the party of Geert Wilders, do not mean the far right has been defeated.

Political scientist Nicolas Blarel (Leiden University) analyses the background and implications of India’s prime minister Narendra Modi’s visit to Israel.

Interview with political scientist Hans Vollaard (Leiden University) about “Nexit” speculations, the strengths and weaknesses of Geert Wilders’s Party for Freedom, and the general attitude towards Europe in the Netherlands.

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.

India’s prime minister Narendra Modi admires Israel’s achievements, but structural differences between Indian and Israeli national security situations, differences in the leaders’ worldviews and the absence of a common enemy inhibits stronger strategic rapprochement, argues political scientist Nicolas…

How did science relate to politics and colonialism in the late nineteenth and early twentieth centuries? Assistant Professor Lauren Lauret has been awarded an NWO XS grant to map the colonial and political activities of nineteenth-century scientists.

On 15 April 2019 upon the invitation of SIB-Amsterdam- Dutch United Nations Student Association Monika Baár gave a masterclass on the contemporary political situation in Austria and its historical antecedents.

Jennifer Dowling is a PhD candidate within the research group Terrorism and Political Violence. Jennifer’s PhD research project focuses on understanding why individuals do not cross the threshold to become involved in various forms of political violence. By adopting a qualitative approach, her project…

What does a political party do in the wake of a disastrous electoral defeat? Martijn van Nijnanten researched this and discovered that parties turn to core values from the past. PhD defence on 12 September.

On 8 September 2022, Valentina Carraro presented a paper during the annual conference of the Italian Political Science Association (SISP), Rome.

On 16 September, Valentina Carraro presented her work 'The Effects of Covid-19 on Violence' at the Conference of the Italian Political Science Association (SISP) in Genoa, Italy.

In the midterm elections in the United States on 6 November, the Democrats won the majority in the House of Representatives, thus regaining control of the House over the Republicans. But the Republicans expanded their majority in the Senate. Three of our researchers, experts on US politics, share their…

Does hegemony—legitimated rule by dominant power—have a role in ordering world politics of the twenty-first century? If so, what form does that hegemony take: does it lie with a leading state or with some other force? How does contemporary world hegemony operate: what tools does it use and what outcomes…

In September 2017 the Institute of Political Science (Leiden University) will launch a new bachelor’s programme: International Relations and Organisations (IRO). It will taught in English and be based in the city of The Hague. The three-year IRO programme is aimed at international, as well as internationally-oriented…

Writing a master’s thesis in Political Science is a demanding yet rewarding journey. Every year, students deliver impressive research that showcases their analytical skills and academic rigor. This year, one thesis stood out for its exceptional quality. On 31 October 2025, during the master’s graduation…

A month after the event, we can say the inaugural lecture of Prof. Luuk van Middelaar on “The European Union and the politics of events”, on 23 September 2016, has obtained good coverage in the Dutch national media.

MA International Relations: Culture and Politics student Annick van Rinsum created a play as a method to research her master’s thesis. “Through writing this play, I aim to contribute to our understanding of International Relations Theory. I’m specifically interested in the question how our theories…