Inside KTH Royal Institute of Technology's largest research partnership: Stockholm University

Behind KTH Royal Institute of Technology's research output sits a defining relationship: 2,838 co-authored works with Stockholm University (Sweden) in the five years to 2025, the university's single largest collaboration.

It anchors an unusually connected research base: 1,104 collaborating institutions across 78 countries, producing 30,037 joint works over the window, with international co-authors on 57% of output.

The collaborative work travels: its field-weighted citation impact stands at 2.89, 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.