‘The climate crisis is the greatest threat we face,’ says Leiden University environmental scientist Paul Behrens. ‘And yet, there is hope. In the near future, I think we will wonder why we didn’t make these changes earlier.’

When writing a thesis or paper you must make good use of the insights you have gained during your lectures and studies so far. You should also refer to relevant literature and carry out your own research on the topic.

When writing a thesis or paper you must make good use of the insights you have gained during your lectures and studies so far. You should also refer to relevant literature and carry out your own research on the topic.

Incoming exchange Erasmus forms, transcripts, grades and credits

internship, research project, fieldwork, summer school, conference, excursion, field trip, thesis

When deciding what to study you undoubtedly read a lot of information about your study programme. Leiden University employs various systems to provide information about programmes and courses and to facilitate communication between lecturers and students.

When deciding what to study you undoubtedly read a lot of information about your study programme. Leiden University employs various systems to provide information about programmes and courses and to facilitate communication between lecturers and students.

From 16 to 23 October 2025, the Faculty of Governance and Global Affairs (FGGA) will host the second edition of Cyber Week. Following last year’s success, we will once again shine a daily spotlight on our teaching and research in the field of cybersecurity through LinkedIn and Instagram. Today’s societal…

When deciding what to study you undoubtedly read a lot of information about your study programme. Leiden University employs various systems to provide information about programmes and courses and to facilitate communication between lecturers and students.

A study association is a good way to combine study-related activities with pleasure. Every faculty has one or more study association.

When deciding what to study you undoubtedly read a lot of information about your study programme. Leiden University employs various systems to provide information about programmes and courses and to facilitate communication between lecturers and students.

When deciding what to study you undoubtedly read a lot of information about your study programme. Leiden University employs various systems to provide information about programmes and courses and to facilitate communication between lecturers and students.

When deciding what to study you undoubtedly read a lot of information about your study programme. Leiden University employs various systems to provide information about programmes and courses and to facilitate communication between lecturers and students.

When writing a thesis or paper you must make good use of the insights you have gained during your lectures and studies so far. You should also refer to relevant literature and carry out your own research on the topic.

To arrange before departure

Your student registration will expire automatically at the end of the academic year. However, if you end your study programme earlier, you must cancel your student registration.

Student Support Groups offer a safe, confidential space for learning, sharing, and connecting with others. Join one of our groups and engage in guided conversations based on your experiences, alongside fellow students and a student-guide. Sessions take place once a week, for a period of six consecutive…

Summer School

Learn how your organisation board can request funding for projects and activities.

During the graduation ceremony there are many different ways for both students and graduands to get involved, including student performances, class representative, Master of Ceremony and so on. Below, we have listed all the ways you can be involved and how to get in touch.

The valedictory lecture of former rector magnificus Hester Bijl was buried on Tuesday 12 May in the garden of the Kamerlingh Onnes Building (KOG). Where did this young, and slightly eccentric, university tradition come from?

With the introduction of the House of Cyber the Dutch government seeks to address a long standing concern among politicians, policymakers, and cybersecurity experts: the fragmentation of the Dutch cybersecurity governance landscape. A proposed solution is not only timely, but very understandable.

Leiden University College The Hague received the 'Top rated Programme' seal from the Keuzegids Universiteiten 2022 (Dutch University Guide). It is the ninth consecutive time the Liberal Arts & Sciences programme focusing on Global Challenges is awarded the honorary seal.

It is the eighth year in a row that the Faculty of Archaeology is placed in the top ten of archaeological institutes worldwide. The QS World University Rankings by Subject looks at criteria like academic reputation and citation ratios.

Forget Python, Java and Scratch: there is now an accessible programming language for children. This is Hedy, invented by Dr. Felienne Hermans of LIACS. Thanks to a collaboration between Jetlearn, an online programming school based in Amsterdam, and Leiden University, Hedy now has translations in Hindi…

A European team of astronomers, led by Leiden-based researcher Konstantinos Migkas, has uncovered a large filament — a long, thread-like structure — of hot gas connecting four clusters of galaxies. This filament is made up of what scientists call the warm-hot intergalactic medium.

A team of researchers based at Leiden has taken over the editorship of the journal Global Governance: A Review of Multilateralism and International Organizations. For the first time, the journal will now be based outside the United States. The new Editor-in-Chief, Associate Professor Alanna O'Malley…

During the last couple of months, Leiden University has conducted many constructive discussions with the University Council and many other experts and groups from the academic community. Based on their input, the Executive board has decided to create a preliminary policy regarding our ties to Israeli…

The Dutch Research Council (NWO) has announced that Tanja Hendriks, along with 17 Leiden University researchers, will receive a Veni grant, embedded at the ASCL. With this grant, Hendriks will be able to develop the research project 'Taking a Risk on Disasters: speculative humanitarianism amidst a changing…

Luris supports and advises researchers and societal partners on knowledge transfer, research impact and public-private partnerships between researchers and society. The organisational structure of Luris is changing to help us better meet the changing needs of our researchers and civil society. Read…

Postdoctoral researcher Veronica Tamorri and a PhD candidate Maia Casna held an online osteoarchaeological class for secondary school children. However, based on reactions, the exchange of ideas seemed to go both ways.

On the occasion of Euroscience Open Forum 2022, Professor Attiya Waris (Director of Research and Enterprise and Professor of Fiscal Law and Policy in Eastern Africa, University of Nairobi, Kenya), Professor Irma Mosquera Valderrama (Professor of Global Tax Governance, Lead Researcher GLOBTAXGOV ERC…

All five episodes of the first season of 'Breingeheim' are now available to listen on Spotify. The first season of the podcastseries is about the social contexts of adolescent development and how teens become resilient individuals. In every episode, a new Leiden-based behavioural scientist and an adolescent…

Why are the majority of our national holidays based around Christian festivities? Arabist Maurits Berger talks about this in an article on Ruetir.

Organisation

The ‘University of the Netherlands’ is a series of lectures in which academics address topics based on their expertise. In the latest instalment, cultural historian Simon Willmetts discusses how intelligence services operate and what has changed since 9/11.

Jojanneke van der Toorn appears in several media trying to bridge science and society with the aim of contributing to effective and evidence-based diversity policy. Read more in English and Dutch media.

Five master's programmes from the Faculty of Humanities scored highly in Keuzegids 2026.

Four master's students from Leiden University participated in this year’s edition of the International Migration and Refugee Law Moot Court, hosted by Antwerp University. Following the verbal rounds held between 21 and 22 March, the team went through to the finals, achieving second place overall.

Hak, lawyer, international imagery law lecturer, and adjunct associate professor, talks about his PhD research on the use of images in international criminal prosecutions. He was a public prosecutor in Canada for over 30 years and dealt primarily with the prosecution of homicides and other major cri…

From assistance in the event of natural disasters to peace-keeping missions. As a communication adviser, Leonoor van Poelgeest goes to all those destinations where the Royal Navy are active. Why did she choose this work and how has her Public Administration study helped her?

ESA’s space telescope Gaia, which maps the Milky Way, completes its active phase of scanning the sky on 15 January. Over the past decade, Gaia has made more than three trillion observations of about two billion stars and other cosmic objects. ‘Gaia is already the discovery machine of the decade,’ Leiden…

Mojan Samadi obtained her PhD in 2020 in Leiden and has since remained at the university as an assistant professor. Her research currently focuses on gender and criminal law, with a key question being how criminal law should address femicide.

Often landscape restoration is seen as a quick technical fix, when a long-term and more sensitive approach is necessary. Within her PhD research, conducted over the past five years in South Africa, Ancois de Villiers explored how we can change this approach. ‘A damaged ecosystem can’t be "fixed" in…

From the First World War until the height of the Cold War, actors from the decolonizing world sought to build connections with international peace movements. These efforts produced new networks and practices of solidarity while also exposing tensions over the centrality of decolonization in global struggles…

How do the residents of the Kooi neighbourhood in Leiden find living there? What can we do about loneliness? In this extraordinary academic year, students have been conducting all sorts of research, in Leiden. They presented their initial findings and recommendations at a Learning with the City meeting…

For the next couple of years, Joris van der Voet, Associate Professor and researcher at the Institute for Public Administration will be heading a research project on top-level bureaucrats and how they go about making choices and prioritizing issues. He has been awarded a Vidi grant by the Dutch Research…

In the week of 15 November, the Academic Directors and two members of the Faculty Council also participated in a so-called Duplo session, after the Faculty Board did so, led by Elisa Meijer, advisor housing of the Humanities Campus project. During the session, alternatives for the Humanities Campus…

Ships are still emitting too much nitrogen oxide. Till now it has been impossible to measure this at sea, but that is set to change. Solomiia Kurchaba combined satellite data and developed algorithms to identify which ships are emitting too much. Kurchaba received her PhD on 11 June.