University of California San Diego's research now spans 81 countries
Research at University of California San Diego is a global undertaking: the university co-authors with 1,151 institutions in 81 countries, and international collaborators appear on 36% of its output.
Its largest single research relationship is with Harvard University in United States, at 3,714 joint works. Across the network, five-year output reaches 90,834 co-authored works.
Connectivity of this kind is increasingly the currency of modern science, and it is measurable: the open scholarly record makes every one of these relationships public and checkable.
The Research Collaboration Index, the first global account of how universities actually collaborate, published its first full edition on 15 September 2026. The full results are public.
Every figure derives from the open global research record and is checkable at source.
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