Inside Christian-Albrechts-Universität zu Kiel's largest research partnership: University of Lübeck

Behind Christian-Albrechts-Universität zu Kiel's research output sits a defining relationship: 1,766 co-authored works with University of Lübeck (Germany) in the five years to 2025, the university's single largest collaboration.

It anchors an unusually connected research base: 1,051 collaborating institutions across 75 countries, producing 24,353 joint works over the window, with international co-authors on 48% of output.

The collaborative work travels: its field-weighted citation impact stands at 2.64, 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.