National University of San Marcos's research now spans 64 countries

Research at National University of San Marcos is a global undertaking: the university co-authors with 692 institutions in 64 countries, and international collaborators appear on 23% of its output.

Its largest single research relationship is with Yunnan University in China, at 477 joint works. Across the network, five-year output reaches 17,850 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.