City links

The top collaborating cities in the Nature Index are located in the same country.

Nature 563, S8 (2018)

doi: 10.1038/d41586-018-07207-1

This article is part of Nature Index 2018 Science Cities, an editorially independent supplement. Advertisers have no influence over the content.

Nature Briefing

Sign up for the daily Nature Briefing email newsletter

Stay up to date with what matters in science and why, handpicked from Nature and other publications worldwide.

Sign Up