California University of Pennsylvania's research now spans 79 countries

Research at California University of Pennsylvania is a global undertaking: the university co-authors with 968 institutions in 79 countries, and international collaborators appear on 34% of its output.

Its largest single research relationship is with University of Pennsylvania in United States, at 1,662 joint works. Across the network, five-year output reaches 20,890 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, 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.