Top Countries in Public Health, Environmental and Occupational Health Research
United States ranks first in 2022–2025, out of 86 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 | 17.7% | 64k | 334k | #1 |
| 2 | China | 84.4 | 24.8% | 22k | 157k | #5 |
| 3 | United Kingdom | 75.3 | 20.0% | 15k | 91k | #2 |
| 4 | Australia | 68.9 | 25.6% | 8k | 58k | #3 |
| 5 | India | 63.9 | 11.9% | 16k | 51k | #11 |
| 6 | Italy | 59.8 | 24.5% | 5.6k | 40k | #9 |
| 7 | Canada | 56.3 | 20.6% | 8.1k | 48k | #4 |
| 8 | Germany | 53.3 | 15.1% | 9.3k | 36k | #6 |
| 9 | Spain | 50.7 | 16.0% | 7.9k | 36k | #10 |
| 10 | Netherlands | 48.3 | 25.0% | 3.5k | 25k | #8 |
| 11 | France | 46.2 | 16.1% | 5.6k | 27k | #7 |
| 12 | Brazil | 44.2 | 7.1% | 17k | 39k | #12 |
| 13 | Iran | 42.4 | 16.2% | 4.7k | 23k | #18 |
| 14 | South Korea | 40.8 | 15.8% | 4k | 19k | #19 |
| 15 | Saudi Arabia | 39.2 | 19.5% | 2.6k | 14k | #31 |
| 16 | Switzerland | 37.8 | 21.6% | 2.2k | 14k | #13 |
| 17 | Japan | 36.4 | 11.6% | 5.8k | 22k | #15 |
| 18 | Sweden | 35.1 | 26.5% | 2k | 14k | #14 |
| 19 | Türkiye | 33.9 | 9.9% | 5.6k | 15k | #34 |
| 20 | Poland | 32.7 | 14.5% | 2.7k | 13k | #27 |
| 21 | Denmark | 31.7 | 21.6% | 1.7k | 11k | #16 |
| 22 | Portugal | 30.6 | 16.2% | 2.1k | 9.4k | #33 |
| 23 | ?? | 29.6 | 14.8% | 2.3k | 11k | #25 |
| 24 | Malaysia | 28.7 | 14.2% | 1.8k | 8.5k | #35 |
| 25 | Greece | 27.7 | 23.7% | 1.1k | 7.4k | #30 |
| 26 | Belgium | 26.9 | 21.4% | 1.5k | 8.7k | #17 |
| 27 | Ethiopia | 26.0 | 29.2% | 1.6k | 11k | #40 |
| 28 | South Africa | 25.2 | 18.9% | 1.9k | 10k | #22 |
| 29 | Nigeria | 24.4 | 11.2% | 2.6k | 8.3k | #43 |
| 30 | Singapore | 23.6 | 26.7% | 982 | 7.1k | #21 |
| 31 | Pakistan | 22.9 | 9.0% | 3.2k | 8.9k | #38 |
| 32 | Ireland | 22.2 | 20.2% | 1.4k | 8k | #29 |
| 33 | Norway | 21.5 | 24.4% | 1.3k | 8.5k | #20 |
| 34 | Taiwan | 20.8 | 19.7% | 1.5k | 9k | #39 |
| 35 | Egypt | 20.2 | 10.6% | 2.3k | 7.6k | #46 |
| 36 | Bangladesh | 19.6 | 17.0% | 1.2k | 5.5k | #53 |
| 37 | Finland | 18.9 | 23.5% | 906 | 6.5k | #23 |
| 38 | Indonesia | 18.3 | 5.0% | 5.2k | 7.2k | #49 |
| 39 | Israel | 17.8 | 16.9% | 1.3k | 6.4k | #24 |
| 40 | Mexico | 17.2 | 6.6% | 3.4k | 7.1k | #36 |
| 41 | Thailand | 16.6 | 20.1% | 1.4k | 7.8k | #28 |
| 42 | Russia | 16.1 | 5.0% | 3.9k | 6.6k | #44 |
| 43 | Austria | 15.6 | 16.0% | 1.1k | 4.7k | #32 |
| 44 | Hong Kong | 15.0 | 28.2% | 607 | 4.6k | #42 |
| 45 | Ukraine | 14.5 | 7.9% | 2k | 2.8k | #56 |
| 46 | New Zealand | 14.0 | 19.5% | 917 | 5.2k | #26 |
| 47 | Chile | 13.6 | 9.1% | 1.5k | 3.7k | #50 |
| 48 | Tanzania | 13.1 | 26.0% | 512 | 3.2k | #41 |
| 49 | Colombia | 12.6 | 7.6% | 2k | 4.6k | #47 |
| 50 | Ghana | 12.2 | 25.0% | 777 | 4.8k | #55 |
| 51 | Uganda | 11.7 | 25.1% | 585 | 3.3k | #45 |
| 52 | United Arab Emirates | 11.3 | 19.0% | 658 | 3.5k | #58 |
| 53 | Romania | 10.9 | 20.2% | 762 | 3.8k | #57 |
| 54 | Hungary | 10.4 | 14.4% | 632 | 2.6k | #54 |
| 55 | Kenya | 10.0 | 18.3% | 733 | 3.3k | #37 |
| 56 | Czechia | 9.6 | 15.3% | 703 | 3.1k | #48 |
| 57 | Argentina | 9.2 | 7.0% | 1.5k | 3.3k | #52 |
| 58 | Vietnam | 8.8 | 14.3% | 658 | 2.3k | #51 |
| 59 | Iraq | 8.5 | 5.7% | 1.1k | 2.5k | #70 |
| 60 | Jordan | 8.1 | 20.4% | 441 | 3.5k | #71 |
| 61 | Ecuador | 7.7 | 5.0% | 1.6k | 1.9k | #69 |
| 62 | Morocco | 7.3 | 11.2% | 710 | 2.1k | #64 |
| 63 | Qatar | 7.0 | 19.9% | 363 | 2.2k | #59 |
| 64 | Peru | 6.6 | 6.2% | 1.3k | 2.3k | #60 |
| 65 | Lebanon | 6.3 | 20.1% | 316 | 1.8k | #66 |
| 66 | Croatia | 5.9 | 13.5% | 470 | 1.8k | #62 |
| 67 | Cameroon | 5.6 | 16.9% | 368 | 1.8k | #63 |
| 68 | Serbia | 5.3 | 14.0% | 369 | 1.4k | #65 |
| 69 | Philippines | 4.9 | 8.7% | 653 | 1.5k | #67 |
| 70 | Cyprus | 4.6 | 20.9% | 212 | 1.2k | #79 |
| 71 | Slovenia | 4.3 | 15.9% | 320 | 1.5k | #61 |
| 72 | Sri Lanka | 4.0 | 11.0% | 452 | 1.6k | #73 |
| 73 | Nepal | 3.7 | 8.0% | 712 | 1.7k | #68 |
| 74 | Slovakia | 3.4 | 12.1% | 270 | 1k | #72 |
| 75 | Burkina Faso | 3.1 | 17.2% | 206 | 1.1k | #75 |
| 76 | Algeria | 2.8 | 11.7% | 264 | 818 | #96 |
| 77 | Kazakhstan | 2.5 | 10.0% | 338 | 763 | #97 |
| 78 | Tunisia | 2.2 | 6.3% | 483 | 971 | #83 |
| 79 | Sudan | 1.9 | 16.4% | 224 | 802 | #88 |
| 80 | Bulgaria | 1.6 | 9.1% | 322 | 748 | #81 |
| 81 | Uruguay | 134.5 | 9.2% | 300 | 728 | #84 |
| 82 | Costa Rica | 106.9 | 4.8% | 276 | 388 | #94 |
| 83 | Cuba | 79.7 | 5.4% | 260 | 387 | #76 |
| 84 | Uzbekistan | 52.8 | 4.2% | 213 | 245 | — |
| 85 | Paraguay | 26.3 | 5.0% | 228 | 337 | — |
| 86 | Venezuela | 0.0 | 4.2% | 235 | 278 | #80 |
countries ranked worldwide in Public Health, Environmental and Occupational Health (86). 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.