Leiden conducts interdisciplinary research into heritage, ranging from archaeology and museum collections to languages, traditions, and communities. This contributes to a deeper understanding of identity, cultural diversity, and societal issues.

Leiden approaches migration from a range of disciplines and provides evidence-based knowledge about its societal and political implications. In doing so, the university contributes to a better-informed debate and effective solutions.

Leiden examines the causes and consequences of inequality from a range of disciplinary perspectives. Together with societal partners, the university seeks solutions to inequality in areas including income, health, and education.

Leiden studies the development, health, and opportunities of children and young people from a range of disciplinary perspectives. Together with societal partners, the university works on solutions that promote equal opportunities and well-being.

Leiden studies societal changes such as climate change, digitalisation, and political fragmentation. The university provides scientific knowledge to help strengthen social cohesion, resilience, and democracy.

Leiden studies climate change, biodiversity, and sustainability from a range of disciplinary perspectives. The university seeks sustainable and equitable solutions to global challenges.

Leiden conducts leading research into the universe, quantum technology, and new materials. The university also develops innovative technologies with applications in areas including healthcare, energy, and aerospace.

Leiden conducts research into AI from both technical and societal perspectives, with a focus on reliability, transparency, and ethics. Together with partners, the university develops responsible AI applications for healthcare, law, government, and culture.

Leiden conducts research into security challenges such as military threats, cyberattacks, disinformation, and terrorism. Drawing on expertise from multiple disciplines, the university develops solutions to protect society and the democratic rule of law.

Leiden onderzoekt hoe het vertrouwen in overheid, politiek en rechtsstaat kan worden versterkt. Vanuit verschillende disciplines zoekt de universiteit naar oplossingen voor maatschappelijke polarisatie en complexe vraagstukken.

Leiden studies how middle powers can work together to shape a new rules-based international order. Drawing on expertise from multiple disciplines, the university seeks solutions to geopolitical instability.

Leiden conducts research into regenerative medicine using stem cell and gene therapy to repair damaged tissue. Together with LUMC and industry partners, the university develops treatments for conditions including diabetes, heart disease, and kidney disease.