Inside Pontifícia Universidade Católica do Rio de Janeiro's largest research partnership: Universidade Federal do Rio de Janeiro

Behind Pontifícia Universidade Católica do Rio de Janeiro's research output sits a defining relationship: 673 co-authored works with Universidade Federal do Rio de Janeiro (Brazil) in the five years to 2025, the university's single largest collaboration.

It anchors an unusually connected research base: 731 collaborating institutions across 71 countries, producing 10,698 joint works over the window, with international co-authors on 23% of output.

The collaborative work travels: its field-weighted citation impact stands at 1.3, 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.