The opening of the Academic Year 2025-2026 took place on Monday 1 September 2025 in the Pieterskerk church.

Leiden University celebrated its 442nd foundation day on 8 February 2017.

The opening of the Academic Year 2016-2017 took place on Monday 5 September 2016 in Pieterskerk church.

For decades, academic publishing has followed a familiar script: Conduct research → write a paper → submit to a journal → (wait) → peer review → (revise) → maybe get accepted → finally, publish. Yet, this traditional model is increasingly under scrutiny, as several structural issues have become difficult…

To help you improve your skills in communicating about your research in English, the Graduate School has an in-house Academic English Lecturer.

Cryptocurrencies have exploded onto global financial markets, with the value of a single bitcoin growing from around 800 USD in 2016 to 67,000 USD in 2021.

In this article, Marco Cinelli, assistant professor at Leiden University College The Hague, examines proper and improper uses of Multiple Criteria Decision Analysis (MCDA) methods in energy systems analysis.

Madeleine O. Hosli & Jaroslaw Kantorowicz analyze EU states' foreign policy divergence at the UN General Debate, assessing if Lisbon Treaty reforms increased EU cohesion or if states maintain distinct positions.

The aim of this research is to understand the linking of crises for the combination of climate change and the COVID-19 pandemic.

This publication examines the issues regarding the cross-border resolution of financial institutions, focusing on the power allocation between the home and host resolution authorities, i.e. the jurisdiction rule.

This is an Erasmus+ International Credit Mobility project of the Faculty of Humanities with the Anton de Kom University in Paramaribo.

Are you a British citizen currently studying at Leiden University? Find out about the effects of Brexit such as the transition period, residence permits, tuition fees and more.

The Museums, Collections and Society (MCS) research group of the Leiden University Centre for the Arts in Society (LUCAS) and Faculty of Archaeology has grants available for collection-based research.

In this article, Dimiter Toshkov aims to explains the gender gap in COVID-19 vaccination attitudes.

Valérie Pattyn, Assistant Professor at Leiden University, researched

In this article, the authors explore why there is substantial cross-national variation in the level of regulatory clarity surrounding cryptocurrencies

Under what circumstances do paramilitary groups limit their use of political violence? This article examines the use of political violence by the PIRA.

The authors delve into the varying degrees to which institutions across different nations connect foreign events to their respective country's domestic affairs.

This article provides a comprehensive analysis of the Islamic State's use of images taken by drones, drawing on a dataset of ISIS propaganda images from October 2016 to December 2018.

Food relations (through production, distribution, circulation, exchange and waste) represent the embodiment of our relation to the environment.

Refugees’ effect on domestic terrorism is conditioned by host-country social perception (attitude about living next-door to foreigners) and economic competition. These hypotheses are tested cross-nationally from 1995-2014 leveraging data from the World Values Survey.

This new article by Bassant Hassib and James Shires is part of a special issue for Journal of Cybersecurity, based on a selection of contributions from THe Hague Program for Cyber Norms' 2019 Conference.

In this article, Isabelle Frens, Jelle van Buuren and Edwin Bakker aim to understand anti-government protests by focusing on empty signifiers.

The latest news on diversity and inclusion and an overview of coming D&I-activities within Leiden University.

Leiden University celebrated its 443th foundation day on 8 February 2018.

‘Can he do it?’ Since the remarkable victory of the All Progressives Congress (APC) in the 2015 Nigerian presidential elections, this has arguably been the most frequently posed question in Nigerian politics.

Article by Annemarie Samuels in History and Anthropology

The eighth issue of the JLGC explores the diverse and interdisciplinary research on our multifaceted relationship with animals which is currently taking place, re-examining the relationship between humans and animals, and the definitions involved.

All manuscripts submitted to Inter-Section need to adhere to these guidelines. Since 01-08-2022 Inter-Section uses APA7 as a reference system. Inter-Section therefore now follows the new Faculty of Archaeology guidelines concerning referencing and bibliography.

How to explain variation in the extent to which parliamentary voting behaviour follows the government–opposition divide? Party Politics article by Tom Louwerse et al.

Civil service systems are often targets of criticism globally. This article seeks to fill an evidence void about government performance and meritocracy

Data reuse and big data: a taxonomy for personal data reuse.

De opening of the Academic Year 2021-2022 took place on Monday 6 September 2021 in Pieterskerk church.

Dr at CAMAG Laboratory, Switzerland

This Festschrift in honour of Cary J. Martin

Reputation literature has provided crucial insights about the evolution of the US regulatory state. Daniel Carpenter’s influential account painstakingly demonstrates the relevance of reputation to bureaucratic ‘power’ and to early institutional state-building in the US context. We argue that adopting…

On 8 February 2021 Leiden University celebrated its 446th anniversary.

The Center participates in East European Politics, one of the major political science journals focusing on the contemporary post-communist space.

Benjamin Fogarty-Valenzuela published the article 'Pedagogies of Prohibition: Time, Education, and the War on Drugs in Rio de Janeiro’s Zona Norte' in Cultural Anthropology 37. The article’s three sections focus on three forms of temporal control—busyness, punctuality, and rhythm—and each demonstrates…

Two previous English translations of this classic essay by Georg Simmel have been in wide circulation, shaping the worldwide reception of Simmel’s urban theor

Form and Function in Greek Grammar. Linguistic Contributions to the Study of Greek Literature is a new book, written by Albert Rijksbaron. Rijksbaron is internationally known as one of the leading scholars of the Ancient Greek language, whose work has exerted a strong and lasting influence on the scholarly…

This paper focuses on the legal and institutional assumptions of Fritz Scharpf's famous thesis of an asymmetry between positive and negative integration in the EU. Taking issue with a number of arguments forwarded in the lead piece for this debate section, it questions the relevance of the thesis to…

With textnets it is possible to visualize and analyze textual data in novel ways.

Acquiring and maintaining public support is frequently cited as an important requirement for governments fighting non-state actors. But how exactly can public support influence the course of counterterrorism campaigns and thereby contribute to an escalation or de-escalation of violence?

Modern society is connected through electronic and mobile devices, which we call the Internet of Things (IoT).

It recently emerged that a Swiss firm secretly owned by the CIA and the West German intelligence service BND had been selling manipulated coding equipment to numerous governments, including allies, to spy on them through a Swiss cover firm for years.

On 9 February 2026 Leiden University celebrated its 451st anniversary.

Professor emeritus Frank Pieke speaks on BBC and BBC Vietnamese about Xi Jinpings ongoing fight against corruption within the Communist Party.