Research quality
How research at Imperial College London was rated in the REF 2021 — the UK's official assessment of university research quality.
4★ research is world-leading; 3★ is internationally excellent; 2★ is internationally recognised; 1★ is nationally recognised. Each bar shows the percentage of research at each quality tier, broken down by subject area (Unit of Assessment).
- 4★ World-leading
- 3★ Internationally excellent
- 2★ Internationally recognised
- 1★ Nationally recognised
- Unclassified
1. Clinical Medicine
438.9 full-time-equivalent academics submitted research
94% world-class
2. Public Health, Health Services and Primary Care
79.5 full-time-equivalent academics submitted research
99% world-class
4. Psychology, Psychiatry and Neuroscience
34.9 full-time-equivalent academics submitted research
99% world-class
5. Biological Sciences
92.3 full-time-equivalent academics submitted research
94% world-class
8. Chemistry
63.3 full-time-equivalent academics submitted research
98% world-class
9. Physics
130.1 full-time-equivalent academics submitted research
96% world-class
10. Mathematical Sciences
94.6 full-time-equivalent academics submitted research
100% world-class
11. Computer Science and Informatics
58.5 full-time-equivalent academics submitted research
100% world-class
12. Engineering
420.0 full-time-equivalent academics submitted research
99% world-class
14. Geography and Environmental Studies
45.7 full-time-equivalent academics submitted research
89% world-class
17. Business and Management Studies
92.2 full-time-equivalent academics submitted research
97% world-class
Source: REF 2021 results