Subfield · Gastroenterology
Top Countries in Gastroenterology Research
United States ranks first in 2022–2025, out of 23 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 | 14.7% | 5.2k | 27k | #1 |
| 2 | China | 77.9 | 20.7% | 4.2k | 29k | #3 |
| 3 | United Kingdom | 65.0 | 17.1% | 1.1k | 6.3k | #2 |
| 4 | Italy | 55.8 | 25.1% | 990 | 7.6k | #4 |
| 5 | Japan | 48.7 | 9.3% | 1.8k | 6.5k | #6 |
| 6 | France | 42.9 | 17.0% | 509 | 3.4k | #9 |
| 7 | Australia | 37.9 | 23.6% | 441 | 3.3k | #7 |
| 8 | Germany | 33.7 | 13.1% | 758 | 3.5k | #5 |
| 9 | South Korea | 29.9 | 17.7% | 719 | 4k | #14 |
| 10 | Canada | 26.6 | 18.9% | 447 | 3k | #8 |
| 11 | India | 23.5 | 8.3% | 1.2k | 3k | #17 |
| 12 | Netherlands | 20.7 | 27.4% | 286 | 2.4k | #10 |
| 13 | Spain | 18.2 | 12.8% | 636 | 2.5k | #13 |
| 14 | Iran | 15.8 | 12.6% | 370 | 1.8k | #25 |
| 15 | Poland | 13.6 | 15.2% | 254 | 1.6k | #21 |
| 16 | Brazil | 11.6 | 7.3% | 419 | 1.1k | #24 |
| 17 | Türkiye | 9.6 | 5.6% | 567 | 1.2k | #31 |
| 18 | Taiwan | 7.8 | 16.3% | 218 | 1.1k | #26 |
| 19 | Portugal | 6.1 | 10.3% | 234 | 772 | #33 |
| 20 | Egypt | 4.5 | 9.1% | 276 | 710 | #40 |
| 21 | Saudi Arabia | 2.9 | 10.8% | 223 | 841 | #38 |
| 22 | Russia | 141.8 | 3.4% | 494 | 809 | #35 |
| 23 | Pakistan | 0.0 | 6.2% | 259 | 535 | #39 |
countries ranked worldwide in Gastroenterology (23). 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.
How spread out this pool is
Every row above on one axis — one tick each, right is a higher score. A field where the top few are far clear of everyone and one that runs down evenly look identical as a table.
One bar per band of score, counting the rows on this page.
Ranked by volume, 2022–2025
- 1 United States 5.2k works
- 2 China 4.2k works
- 3 Japan 1.8k works
- 4 India 1.2k works
- 5 United Kingdom 1.1k works
- 6 Italy 990 works
- 7 Germany 758 works
- 8 South Korea 719 works
- 9 Spain 636 works
- 10 Türkiye 567 works
- 11 France 509 works
- 12 Russia 494 works