Top Countries in Gastroenterology Research
United States ranks first in 2022-now, followed by China and Germany, out of 23 ranked countries.
Quality score: the square root of excellence (the share of works in the world top 10% against what the place's own topics predict, on English-language articles and reviews) times the square root of the journal factor (its papers in the Nature Index's selective journals against what its topics predict), times output to the power 0.3 times breadth (how much of the selected area it works in) to the power 0.25. Floor: 100 fractional works in this field.
Ranked by research quality, 2022-now
| # | Country | Score | Top-10% rate | Works | Citations | All time |
|---|---|---|---|---|---|---|
| 1 |  United States |
100.0 | 11.2% | 5.2k | 27k | #1 |
| 2 |  China |
77.9 | 13.5% | 4.3k | 29k | #4 |
| 3 |  Germany |
65.0 | 9.3% | 758 | 3.5k | #2 |
| 4 |  United Kingdom |
55.8 | 13.2% | 1.1k | 6.3k | #3 |
| 5 |  France |
48.7 | 12.2% | 509 | 3.4k | #5 |
| 6 |  Netherlands |
42.9 | 17.8% | 286 | 2.4k | #6 |
| 7 |  Italy |
37.9 | 16.5% | 990 | 7.6k | #11 |
| 8 |  Australia |
33.7 | 13.7% | 441 | 3.3k | #7 |
| 9 |  Canada |
29.9 | 13.9% | 447 | 3k | #8 |
| 10 |  South Korea |
26.6 | 12.0% | 719 | 4k | #14 |
| 11 |  Spain |
23.5 | 8.2% | 636 | 2.5k | #12 |
| 12 |  Japan |
20.7 | 7.7% | 1.8k | 6.5k | #17 |
| 13 |  Taiwan |
18.2 | 9.3% | 218 | 1.1k | #23 |
| 14 |  India |
15.8 | 5.0% | 1.2k | 3k | #28 |
| 15 |  Poland |
13.6 | 10.6% | 254 | 1.6k | #27 |
| 16 |  Portugal |
11.6 | 8.3% | 234 | 772 | #25 |
| 17 |  Brazil |
9.6 | 5.3% | 419 | 1.1k | #26 |
| 18 |  Saudi Arabia |
7.8 | 7.0% | 223 | 841 | #30 |
| 19 |  Iran |
6.1 | 6.2% | 370 | 1.8k | #36 |
| 20 |  Türkiye |
4.5 | 2.3% | 567 | 1.2k | #37 |
| 21 |  Russia |
2.9 | 2.0% | 494 | 809 | #38 |
| 22 |  Egypt |
141.8 | 4.3% | 276 | 710 | #40 |
| 23 |  Pakistan |
0.0 | 4.2% | 259 | 535 | #39 |
countries ranked worldwide in Gastroenterology (23). rank on the quality score within the stated pool. The score track runs 0 to 100; the rate track carries no average mark, because the average differs by field (about 6% in Dentistry, 21% in Economics).
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-now
- 1
United States
6k works
- 2
China
5.1k works
- 3
Japan
2k works
- 4
India
1.4k works
- 5
United Kingdom
1.3k works
- 6
Italy
1.2k works
- 7
Germany
883 works
- 8
South Korea
824 works
- 9
Spain
741 works
- 10
Türkiye
669 works
- 11
France
581 works
- 12
Russia
551 works