École Normale Supérieure de Lyon's research now spans 77 countries

Research at École Normale Supérieure de Lyon is a global undertaking: the university co-authors with 1,026 institutions in 77 countries, and international collaborators appear on 31% of its output.

Its largest single research relationship is with Université Claude Bernard Lyon 1 in France, at 13,616 joint works. Across the network, five-year output reaches 14,227 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.