Inside Aix-Marseille Université's largest research partnership: Université Paris Sciences et Lettres

Behind Aix-Marseille Université's research output sits a defining relationship: 5,529 co-authored works with Université Paris Sciences et Lettres (France) in the five years to 2025, the university's single largest collaboration.

It anchors an unusually connected research base: 1,124 collaborating institutions across 80 countries, producing 46,790 joint works over the window, with international co-authors on 38% of output.

The collaborative work travels: its field-weighted citation impact stands at 2.24, 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.