Inside University of California, San Francisco's largest research partnership: Stanford University

Behind University of California, San Francisco's research output sits a defining relationship: 5,618 co-authored works with Stanford University (United States) in the five years to 2025, the university's single largest collaboration.

It anchors an unusually connected research base: 1,114 collaborating institutions across 81 countries, producing 77,836 joint works over the window, with international co-authors on 32% of output.

The collaborative work travels: its field-weighted citation impact stands at 3.47, 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.