How is law shaped by and shaping social, political and economic change in Indonesia?

This is an Erasmus+ International Credit Mobility project of Leiden Law School with University of Sarajevo in Bosnia Herzegovina.

People who are arrested on suspicion of preparing an attack are at risk of becoming radicalised either during or after their detention. Whether or not to arrest someone requires careful consideration. At the end of the prison sentence, it is important to provide effective supervision of the reintegration…

The Faculty of Social and Behavioural Sciences provides its ca. 5000 students with a thorough education in the social and behavioural sciences. The student population is very diverse and international in nature.

It has been found that the better a prisoner is treated, the more effective the sentence. Leiden criminologists therefore research how detention can be improved in such areas as prison life and contact between prisoners and their children.

The activities of the Europa Institute (also known as the Department of European Law) are supported by ‘Stichting Europees Instituut’. This foundation was the first of its kind in both the Netherlands and Europe as a whole. Established in 1957, its aim was to ‘support and advance the study of scientific…

The Role of Law in Libya’s National Reconciliation (RoLLNaR) was a research project that ran from 2017 to 2020. It identified and assessed the role of law – both actual and potential, enabling and constraining – with regard to major challenges of reconciliation in Libya. The project was led by Dr. Suliman…

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Course, Summer School

The Just Peace Dialogues were a set of meetings for public deliberation of key aspects of building peace in today’s world. The dialogues were held across seven days at the heart of the Just Peace Festival (16 - 22 June 2025).

What was the social function of the colonial civil law courts in eighteenth-century coastal Sri Lanka? Why did people choose to have their disputes settled by Dutch law courts?

This project’s aim is to critically assess current homicide data sources in order to develop a proposal for long-term EU-level monitoring of DRH.

LUC's Liberal Arts and Sciences programme offers you the opportunity to specialise in one of six Majors while keeping the Global Challenges at the centre of your studies.

Polarisation in our society is on the rise. What makes people increasingly radical? How do we protect ourselves from extremist, terrorist or criminal threats, be they physical or in the cyber world? And what role do intelligence services play in this?

Terrorism experts Daan Weggemans (Leiden University) and Beatrice de Graaf (Utrecht University) conducted one of the first scientific studies on the societal reintegration of jihadist former detainees. They showed that the reintegration process isn't without problems. Their conlusions are presented…

Your tuition fee depends on a number of factors, such as your nationality and your previous Dutch higher-education qualifications.

What is the nature and scope of violence? Who offends, and in what context? Who are the victims? And how can we design suitable intervention and prevention strategies? In this track, you will be familiarised with the many faces of violent offending, to provide the knowledge and tools to understand,…

The Hague is a fast-growing student city in the Netherlands, offering great study and career opportunities to students from all over the world.

The international legal order is in a process of transformation. But how transforms globalization the international legal order? This research programme provides a clearer framework to analyze this..

Home to the International Court of Justice and the International Criminal Court, The Hague is the perfect backdrop to explore conceptions of justice in our global society. Questions of human rights, peace, security and the environment present legal and policy challenges for governmental and non-governmental…

Young people in forensic practice navigate between street culture, digital networks and care; worlds that are increasingly intertwined. This calls for a different way of seeing and acting. Dual PhD candidate Jeffrey Jhanjan explores how professionals can better understand and support these young peo…

Summer School

The fragmentary is everywhere: we encounter fragments in social media (Tiktok, Twitter), in personal memories from our childhood, and in traditions from our cultural heritage.

The Dutch Research Council (NWO) has rewarded four projects in which Leiden researchers are bringing science and society closer together. What are these projects?

On January 5, Rosa Winter will obtain her doctorate in arithmetic geometry. She researched solutions of equations that define so-called ‘del Pezzo surfaces’. ‘I like geometry because I can imagine and draw the shapes and objects,’ says Winter. ‘That makes abstract mathematics feel more tangible.’

Ewa Snaar-Jagalska, Shuning He and colleagues from IBL, LION and LACDR reported on a new zebrafish study to understand micrometastasis of human cancer cells. They discovered a novel role for neutrophils in assisting metastasis formation, which provides critical insights for anti-cancer therapies.

On Sunday, November 9 2025, Prof. dr. Sarah Cramsey presented a film at the “Eastern Neighbors” Film Festival in The Hague.

Eighteen students who obtained excellent results in the minor Intelligence Studies received the annual Kluitersprijs.

Bringing Dutch and international students together. One way to do that is by playing Archery Attack, archaeology student Timothy Stikkelorum suggested. On 13 November, he and his team, a committee from the Terra study association, won the Van Bergen Prize with their idea.

Launched in early March, GlobalSCAPE is an EU-funded project seeking to understand the current state of science communication globally, especially in non-western countries. Through the Department of Science Communication & Society, Leiden University is one of the main partners of the project, which…

As a critical commemoration of its centenary, this book presents a mosaic of one hundred carefully curated fragments by expert authors, shedding light on politics, economy, society, culture, gender, and arts in a hundred years of Turkey.

The Faculty of Archaeology has a long research tradition in the municipality of Oss. Since 1974, researchers and students have been carrying out archaeological research here. In Januari 2019, an enormous replica of one of the top local finds was unveiled standing in the middle of a roundabout.

The IHL Clinic offers outstanding LLM candidates the chance to work pro bono on KGF projects and gain practical experience in humanitarian law in cooperation with practitioners working in the humanitarian field.

On Safer Internet Day (Tuesday 6 February), UNICEF Netherlands organised a symposium on the theme of 'Children's rights in the digital world' in collaboration with Leiden University and Kennisnet. Simone van der Hof and Ton Liefaard contributed to the symposium.

The call for a social media ban for children is louder than ever. Professor of Children's Rights Ton Liefaard argues in ‘Trouw’ newspaper that this would be unwise. 'For children, online and offline aren't different worlds'.

A new document casts doubt on the Dutch Public Prosecution Service’s role in the large-scale Sky ECC encryption bust, previously attributed to France. Bart Schermer, Professor of Law and Digital Technology, commented in ‘de Volkskrant’ newspaper.

The Jaap Doek Children’s Rights Thesis Award is an annual award for the best thesis in the field of Children’s Rights granted by Defence for Children and the Department of Child Law of Leiden Law School.

How can we stop the endless stream of spam we receive in our mailbox? Journalist Warner van der Louw of Dutch newspaper ‘Trouw’ puts the question to Bart Custers, Professor of Law and Data Science at eLaw, Center for Law and Digital Technologies.

On Tuesday 29 November a sculpture made by Willem Knaup Verdwenen Jodenbuurt (Vanished Jewish Neighbourhood) was unveiled in the Cleveringa Lecture Room in a niche made especially for it. Speeches were given by Professor Rick Lawson, Eric Daalder and Professor Joanne van der Leun.

Access to justice is essential for children to be able to exercise and claim their human rights. On 30 April 2019, Chrisje Sandelowsky represented Leiden University at a closed roundtable in Geneva to support this cause.

The Children’s Rights Observatory is pleased to launch the Spanish version of the website. This new feature of the website is a result of the partnership between Leiden Law School and the Center for Constitutional Studies of the Mexican Supreme Court (CEC-SCJN).

eLaw, Center for Law and Digital Technologies of Leiden University, invites you to contribute a chapter in a book on law and artificial intelligence (AI).

On November 30, 2023, the research group Institutions for Conflict Resolution (COI) organized a stakeholder meeting on governmental problem-solving and its implications for legitimacy. COI is a joint collaboration between the Universities of Leiden, Utrecht, and Nijmegen as part of the Dutch Sector…

From Wednesday 20 October 2021 to Thursday 21 April 2022, Leiden Children’s Rights Observatory and the Centre for Constitutional Studies of the Supreme Court of Mexico organize an Online Webinar Series on Children’s Access to Justice and the Optional Protocol on a Communications Procedure (OP3)

On 3 November 2017 in The Hague Institute for Global Justice in The Hague, Prof. Ton Liefaard (Professor of Children's Rights at Leiden University and UNICEF Chair in Children’s Rights), will address members and non-members of the Royal Netherlands Society of International Law (KNVIR, link in Dutch)…

Maartje van der Woude, together with Dr Irene Vega, has won the 2024 Theoretical Criminology Best Article Prize for the article ‘Colourblindness across borders: The de-racialised logics of Dutch and American border agents’ in the journal Theoretical Criminology.