Inside University of Amsterdam's largest research partnership: Vrije Universiteit Amsterdam

Behind University of Amsterdam's research output sits a defining relationship: 6,301 co-authored works with Vrije Universiteit Amsterdam (Netherlands) in the five years to 2025, the university's single largest collaboration.

It anchors an unusually connected research base: 1,144 collaborating institutions across 80 countries, producing 62,493 joint works over the window, with international co-authors on 52% of output.

The collaborative work travels: its field-weighted citation impact stands at 4.19, where the world average is 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.

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