Subfield · Aging
Top Countries in Aging Research
United States ranks first in 2022–2025, out of 4 ranked countries.
Composite score: field-normalised excellence, output and total citations weighted 50 / 30 / 20, each as a percentile so no single heavy-tailed measure dominates. Floor: 100 fractional works in this field.
Ranked by research quality, 2022–2025
| # | Country | Score | Top-10% rate | Works | Citations | All time |
|---|---|---|---|---|---|---|
| 1 | United States | 100.0 | 18.4% | 1.6k | 18k | #1 |
| 2 | China | 50.0 | 23.6% | 978 | 12k | #3 |
| 3 | United Kingdom | 20.8 | 26.4% | 208 | 2.9k | #2 |
| 4 | Japan | 0.0 | 11.2% | 203 | 1.2k | #7 |
countries ranked worldwide in Aging (4). rank on the composite score within the stated pool. The score track runs 0 to 100; the rate track carries no world mark, because the world rate differs by field.
Ranked by volume, 2022–2025
- 1 United States 1.6k works
- 2 China 978 works
- 3 United Kingdom 208 works
- 4 Japan 203 works
- 5 Germany 200 works
- 6 India 196 works
- 7 Canada 153 works
- 8 France 144 works
- 9 South Korea 127 works
- 10 Spain 121 works
- 11 Russia 109 works
- 12 Italy 95 works