University of Colorado Boulder's research now spans 77 countries

Research at University of Colorado Boulder is a global undertaking: the university co-authors with 1,089 institutions in 77 countries, and international collaborators appear on 35% of its output.

Its largest single research relationship is with California Institute of Technology in United States, at 1,077 joint works. Across the network, five-year output reaches 40,706 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.