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2026-09-01 · Research focus · Leiden University · Netherlands

What drives Leiden University's research

Ask where Leiden University's research energy goes and the open scholarly record gives a precise answer: 33,223 co-authored works in five years, built with partners in 79 countries.

Its most distinctive research concentrations include Astrophysics and Star Formation Studies; Galaxies: Formation, Evolution, Phenomena; Stellar, planetary, and galactic studies.

The recorded collaborative funding footprint stands at €321M across the world's major funders, every award traceable to the funder's own public record. The work's field-weighted citation impact is 3.82, against a world average of 1.0.

The Research Collaboration Index, the first global account of how universities actually collaborate, publishes its first full edition on Tuesday 15 September at 09:00 UK.

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Every figure derives from the open global research record and is checkable at source.

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