The University of Tokyo: #18 in the world for Physics & Astronomy collaboration

The University of Tokyo stands at #18 of 1,195 universities worldwide on the Physics & Astronomy collaboration index, the strongest of its 26 subject standings in the 2026 Research Collaboration Index, published today.

The standing rests on the open scholarly record: 9,997 co-authored works in the field over 2021 to 2025, built with 843 collaborating institutions across 67 countries, with a field-weighted citation impact of 5.59.

The University of Tokyo holds Gold standing overall, at #149 in the world.

The full index, all 26 subject rankings and complete methodology are now public.

Every figure derives from the open global research record and is checkable at source.