Inside TU Dortmund University's largest research partnership: Ruhr University Bochum

Behind TU Dortmund University's research output sits a defining relationship: 590 co-authored works with Ruhr University Bochum (Germany) in the five years to 2025, the university's single largest collaboration.

It anchors an unusually connected research base: 894 collaborating institutions across 75 countries, producing 17,819 joint works over the window, with international co-authors on 38% of output.

The collaborative work travels: its field-weighted citation impact stands at 2.51, 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.