Inside University of Stuttgart's largest research partnership: Universität Ulm

Behind University of Stuttgart's research output sits a defining relationship: 687 co-authored works with Universität Ulm (Germany) in the five years to 2025, the university's single largest collaboration.

It anchors an unusually connected research base: 907 collaborating institutions across 76 countries, producing 78,006 joint works over the window, with international co-authors on 32% of output.

The collaborative work travels: its field-weighted citation impact stands at 1.93, 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.