Leiden University, Netherlands Opens Multiple PhD Research Positions for 2026

Leiden University, Netherlands has announced multiple fully funded PhD research positions across the Faculty of Science, Faculty of Humanities, and the Faculty of Governance and Global Affairs for the 2026 academic cycle. These opportunities span a wide range of interdisciplinary research areas including Formal Methods for Safe Artificial Intelligence, Quantum Computation and Quantum Theory, Statistics and Survival Analysis, Wellbeing and Input–Output Analysis, Plant–Soil Microbiome Interactions, and Language Studies in the Early Modern and Modern Language Sectors.

The PhD vacancies include projects based in Leiden and The Hague, with full-time and part-time options (0.8–1.0 FTE) available depending on the project. Positions are offered within internationally recognized research groups and collaborative consortia, providing strong academic supervision and access to advanced research facilities. Application deadlines vary by position, with most openings accepting applications from early January through the first quarter of 2026. These roles are ideal for candidates seeking doctoral training in a globally respected research university in The Netherlands.