Subfield · Health, Toxicology and Mutagenesis
Top Countries in Health, Toxicology and Mutagenesis Research
China ranks first in 2022–2025, out of 58 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 | 21.2% | 32k | 322k | #2 |
| 2 | United States | 82.9 | 19.1% | 17k | 154k | #1 |
| 3 | India | 72.9 | 17.9% | 5.8k | 47k | #6 |
| 4 | United Kingdom | 65.9 | 21.8% | 4k | 40k | #3 |
| 5 | Australia | 60.4 | 26.4% | 2.1k | 26k | #7 |
| 6 | Germany | 55.9 | 22.2% | 2.7k | 26k | #5 |
| 7 | Canada | 52.1 | 19.8% | 2.5k | 24k | #4 |
| 8 | Italy | 48.8 | 23.1% | 2.5k | 25k | #8 |
| 9 | Spain | 45.9 | 18.9% | 2.5k | 23k | #9 |
| 10 | France | 43.3 | 15.4% | 2.4k | 20k | #10 |
| 11 | South Korea | 40.9 | 16.9% | 2.3k | 20k | #16 |
| 12 | Netherlands | 38.8 | 25.5% | 1k | 11k | #11 |
| 13 | Iran | 36.8 | 16.2% | 1.7k | 14k | #22 |
| 14 | Poland | 35.0 | 16.3% | 1.4k | 12k | #19 |
| 15 | Hong Kong | 33.3 | 33.4% | 590 | 7.9k | #20 |
| 16 | Japan | 31.7 | 12.8% | 2k | 13k | #13 |
| 17 | Sweden | 30.2 | 23.6% | 881 | 9.9k | #12 |
| 18 | Switzerland | 28.8 | 25.1% | 675 | 8.5k | #14 |
| 19 | Brazil | 27.5 | 10.1% | 2.5k | 14k | #21 |
| 20 | Pakistan | 26.2 | 16.2% | 878 | 7.4k | #28 |
| 21 | Portugal | 25.0 | 19.7% | 818 | 7.9k | #25 |
| 22 | Türkiye | 23.9 | 10.8% | 1.8k | 9.3k | #29 |
| 23 | ?? | 22.8 | 15.2% | 982 | 7.9k | #26 |
| 24 | Malaysia | 21.7 | 14.2% | 840 | 6.2k | #32 |
| 25 | Nigeria | 20.7 | 9.8% | 1.2k | 5.7k | #42 |
| 26 | Egypt | 19.8 | 17.3% | 903 | 7.2k | #39 |
| 27 | Greece | 18.8 | 22.0% | 553 | 5k | #23 |
| 28 | Saudi Arabia | 17.9 | 22.1% | 646 | 7.3k | #35 |
| 29 | Denmark | 17.1 | 21.3% | 609 | 6k | #15 |
| 30 | Taiwan | 16.2 | 14.8% | 1k | 7.7k | #27 |
| 31 | Norway | 15.4 | 22.2% | 513 | 5.6k | #18 |
| 32 | Belgium | 14.6 | 20.0% | 566 | 5.2k | #17 |
| 33 | Romania | 13.9 | 18.9% | 363 | 3.2k | #44 |
| 34 | Bangladesh | 13.2 | 20.4% | 488 | 5.5k | #38 |
| 35 | Mexico | 12.4 | 7.7% | 1.4k | 6k | #31 |
| 36 | Singapore | 11.7 | 30.2% | 283 | 4.2k | #37 |
| 37 | Finland | 11.1 | 23.0% | 444 | 4.7k | #24 |
| 38 | South Africa | 10.4 | 16.3% | 583 | 4.7k | #33 |
| 39 | Austria | 9.8 | 22.3% | 352 | 3.2k | #30 |
| 40 | Thailand | 9.2 | 15.7% | 640 | 4.1k | #49 |
| 41 | Ireland | 8.5 | 19.5% | 309 | 2.9k | #40 |
| 42 | Indonesia | 7.9 | 5.2% | 1.1k | 2.7k | #45 |
| 43 | Russia | 7.4 | 5.1% | 1.3k | 4.3k | #41 |
| 44 | Czechia | 6.8 | 15.7% | 468 | 4k | #36 |
| 45 | New Zealand | 6.3 | 21.8% | 274 | 3k | #34 |
| 46 | Colombia | 5.7 | 6.2% | 853 | 2.4k | #46 |
| 47 | Hungary | 5.2 | 17.0% | 240 | 2k | #48 |
| 48 | Ethiopia | 4.7 | 22.1% | 221 | 2k | #58 |
| 49 | Iraq | 4.2 | 6.6% | 483 | 1.7k | #55 |
| 50 | Chile | 3.7 | 12.0% | 413 | 2.3k | #50 |
| 51 | Ecuador | 3.2 | 4.2% | 967 | 1.2k | #57 |
| 52 | Israel | 2.7 | 17.2% | 255 | 1.9k | #43 |
| 53 | Vietnam | 2.2 | 10.3% | 394 | 2.3k | #54 |
| 54 | Argentina | 1.8 | 7.0% | 493 | 2.1k | #47 |
| 55 | Peru | 130.8 | 3.3% | 775 | 1.3k | #61 |
| 56 | Serbia | 86.4 | 11.6% | 258 | 1.6k | #60 |
| 57 | Philippines | 42.8 | 4.6% | 263 | 626 | #64 |
| 58 | Ukraine | 0.0 | 4.7% | 287 | 747 | #66 |
countries ranked worldwide in Health, Toxicology and Mutagenesis (58). 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 32k works
- 2 United States 17k works
- 3 India 5.8k works
- 4 United Kingdom 4k works
- 5 Germany 2.7k works
- 6 Canada 2.5k works
- 7 Brazil 2.5k works
- 8 Spain 2.5k works
- 9 Italy 2.5k works
- 10 France 2.4k works
- 11 South Korea 2.3k works
- 12 Australia 2.1k works