Subfield · Nephrology
Top Countries in Nephrology Research
China ranks first in 2022–2025, out of 35 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 | China | 100.0 | 23.4% | 10k | 85k | #2 |
| 2 | United States | 80.5 | 13.8% | 8.6k | 53k | #1 |
| 3 | United Kingdom | 69.1 | 17.0% | 1.6k | 12k | #3 |
| 4 | Italy | 61.0 | 19.8% | 1.3k | 10k | #6 |
| 5 | Germany | 54.7 | 15.6% | 1.3k | 8.3k | #4 |
| 6 | Australia | 49.6 | 21.1% | 854 | 7.3k | #8 |
| 7 | Japan | 45.3 | 9.0% | 2.4k | 10k | #9 |
| 8 | France | 41.5 | 16.2% | 1k | 6.3k | #7 |
| 9 | Canada | 38.2 | 16.2% | 908 | 6.4k | #5 |
| 10 | India | 35.2 | 6.2% | 2.2k | 5.6k | #16 |
| 11 | Netherlands | 32.6 | 23.3% | 567 | 5k | #10 |
| 12 | Spain | 30.1 | 11.4% | 1.2k | 5.8k | #11 |
| 13 | South Korea | 27.9 | 12.5% | 1.1k | 6k | #18 |
| 14 | Taiwan | 25.8 | 16.6% | 685 | 4.7k | #19 |
| 15 | Brazil | 23.8 | 6.9% | 1.1k | 3.4k | #17 |
| 16 | Sweden | 22.0 | 22.3% | 333 | 2.9k | #12 |
| 17 | Belgium | 20.3 | 18.4% | 260 | 2k | #14 |
| 18 | Türkiye | 18.7 | 5.7% | 1.1k | 3k | #21 |
| 19 | Greece | 17.2 | 14.8% | 315 | 1.8k | #22 |
| 20 | Switzerland | 15.7 | 16.3% | 305 | 2.1k | #15 |
| 21 | Denmark | 14.4 | 19.0% | 296 | 2.3k | #13 |
| 22 | ?? | 13.1 | 15.7% | 290 | 1.9k | #23 |
| 23 | Poland | 11.8 | 12.7% | 399 | 2k | #24 |
| 24 | Iran | 10.6 | 10.8% | 593 | 2.5k | #28 |
| 25 | Saudi Arabia | 9.5 | 10.4% | 335 | 1.4k | #38 |
| 26 | Romania | 8.4 | 17.5% | 212 | 1.2k | #35 |
| 27 | Egypt | 7.3 | 6.1% | 701 | 1.7k | #41 |
| 28 | Pakistan | 6.3 | 4.5% | 495 | 865 | #40 |
| 29 | Thailand | 5.3 | 12.7% | 312 | 1.5k | #33 |
| 30 | Mexico | 4.3 | 5.5% | 456 | 1.2k | #31 |
| 31 | Portugal | 3.4 | 7.1% | 339 | 1.1k | #37 |
| 32 | Israel | 2.5 | 11.6% | 210 | 1k | #25 |
| 33 | Indonesia | 1.7 | 2.6% | 519 | 675 | #45 |
| 34 | Russia | 81.5 | 2.8% | 482 | 821 | #42 |
| 35 | Iraq | 0.0 | 2.8% | 230 | 335 | #53 |
countries ranked worldwide in Nephrology (35). 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 China 10k works
- 2 United States 8.6k works
- 3 Japan 2.4k works
- 4 India 2.2k works
- 5 United Kingdom 1.6k works
- 6 Italy 1.3k works
- 7 Germany 1.3k works
- 8 Spain 1.2k works
- 9 Brazil 1.1k works
- 10 South Korea 1.1k works
- 11 Türkiye 1.1k works
- 12 France 1k works