Inside National Technical University of Athens's largest research partnership: National and Kapodistrian University of Athens

Behind National Technical University of Athens's research output sits a defining relationship: 668 co-authored works with National and Kapodistrian University of Athens (Greece) in the five years to 2025, the university's single largest collaboration.

It anchors an unusually connected research base: 814 collaborating institutions across 71 countries, producing 15,172 joint works over the window, with international co-authors on 36% of output.

The collaborative work travels: its field-weighted citation impact stands at 2.3, 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.