Inside City University of Hong Kong's largest research partnership: University of Hong Kong
Behind City University of Hong Kong's research output sits a defining relationship: 3,479 co-authored works with University of Hong Kong (Hong Kong SAR) in the five years to 2025, the university's single largest collaboration.
It anchors an unusually connected research base: 1,111 collaborating institutions across 77 countries, producing 42,270 joint works over the window, with international co-authors on 73% of output.
The collaborative work travels: its field-weighted citation impact stands at 3.83, where the world average is 1.0.
The Research Collaboration Index, the first global account of how universities actually collaborate, published its first full edition on 15 September 2026. The full results are public.
Every figure derives from the open global research record and is checkable at source.
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