Purdue University West Lafayette's research now spans 80 countries

Research at Purdue University West Lafayette is a global undertaking: the university co-authors with 1,153 institutions in 80 countries, and international collaborators appear on 24% of its output.

Its largest single research relationship is with North Carolina State University in United States, at 7,628 joint works. Across the network, five-year output reaches 76,420 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.