Inside Université de Bretagne Occidentale's largest research partnership: Sorbonne Université

Behind Université de Bretagne Occidentale's research output sits a defining relationship: 908 co-authored works with Sorbonne Université (France) in the five years to 2025, the university's single largest collaboration.

It anchors an unusually connected research base: 886 collaborating institutions across 74 countries, producing 13,081 joint works over the window, with international co-authors on 34% of output.

The collaborative work travels: its field-weighted citation impact stands at 1.94, where the world average is 1.0.

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.