Field · Environmental Science
Top Countries in Environmental Science Research
China ranks first in 2022–2025, out of 125 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 | 25.7% | 233k | 2.7M | #2 |
| 2 | United States | 85.6 | 18.8% | 125k | 1M | #1 |
| 3 | India | 77.2 | 17.2% | 65k | 447k | #8 |
| 4 | United Kingdom | 71.3 | 25.3% | 30k | 303k | #3 |
| 5 | Germany | 66.7 | 24.2% | 28k | 257k | #4 |
| 6 | Australia | 62.9 | 26.9% | 21k | 236k | #5 |
| 7 | Italy | 59.7 | 24.1% | 23k | 204k | #10 |
| 8 | France | 56.9 | 18.4% | 24k | 180k | #7 |
| 9 | Canada | 54.5 | 20.7% | 22k | 192k | #6 |
| 10 | Spain | 52.3 | 20.2% | 21k | 177k | #11 |
| 11 | Netherlands | 50.3 | 28.8% | 9k | 109k | #9 |
| 12 | Brazil | 48.5 | 6.6% | 55k | 154k | #15 |
| 13 | Türkiye | 46.9 | 14.5% | 16k | 95k | #21 |
| 14 | Switzerland | 45.3 | 29.5% | 6.2k | 73k | #12 |
| 15 | Iran | 43.9 | 19.0% | 13k | 122k | #20 |
| 16 | Saudi Arabia | 42.6 | 27.9% | 6k | 80k | #32 |
| 17 | Pakistan | 41.3 | 20.6% | 6.9k | 66k | #33 |
| 18 | South Korea | 40.1 | 18.1% | 15k | 132k | #18 |
| 19 | Poland | 39.0 | 16.3% | 12k | 90k | #27 |
| 20 | ?? | 38.0 | 16.8% | 11k | 81k | #26 |
| 21 | Malaysia | 36.9 | 15.4% | 9.9k | 75k | #22 |
| 22 | Sweden | 36.0 | 27.3% | 6.6k | 72k | #13 |
| 23 | Japan | 35.1 | 12.1% | 21k | 111k | #14 |
| 24 | Hong Kong | 34.2 | 35.1% | 3.6k | 55k | #28 |
| 25 | South Africa | 33.3 | 20.0% | 7.9k | 61k | #25 |
| 26 | Egypt | 32.5 | 19.6% | 7.3k | 70k | #42 |
| 27 | Indonesia | 31.7 | 4.1% | 55k | 74k | #36 |
| 28 | Portugal | 31.0 | 20.1% | 7.7k | 61k | #29 |
| 29 | Norway | 30.3 | 23.6% | 5.9k | 55k | #17 |
| 30 | Nigeria | 29.6 | 9.3% | 10k | 45k | #44 |
| 31 | Bangladesh | 28.9 | 22.2% | 5.3k | 50k | #43 |
| 32 | Denmark | 28.2 | 24.3% | 4.9k | 50k | #16 |
| 33 | Russia | 27.6 | 5.4% | 25k | 61k | #31 |
| 34 | Belgium | 27.0 | 22.0% | 5.1k | 45k | #19 |
| 35 | Austria | 26.4 | 24.2% | 3.9k | 37k | #23 |
| 36 | Finland | 25.8 | 26.7% | 4.3k | 44k | #24 |
| 37 | Greece | 25.2 | 21.5% | 5.1k | 44k | #34 |
| 38 | Romania | 24.7 | 16.7% | 4.1k | 27k | #47 |
| 39 | Singapore | 24.1 | 29.2% | 2.3k | 32k | #35 |
| 40 | Mexico | 23.6 | 8.5% | 12k | 48k | #39 |
| 41 | Ukraine | 23.1 | 8.2% | 13k | 24k | #48 |
| 42 | Taiwan | 22.6 | 17.0% | 5.7k | 46k | #37 |
| 43 | Czechia | 22.1 | 17.6% | 5.1k | 36k | #38 |
| 44 | New Zealand | 21.6 | 21.1% | 3.7k | 31k | #30 |
| 45 | Ireland | 21.2 | 23.8% | 2.4k | 25k | #41 |
| 46 | Ethiopia | 20.7 | 23.7% | 4.2k | 36k | #53 |
| 47 | Vietnam | 20.3 | 9.0% | 7.6k | 30k | #46 |
| 48 | Iraq | 19.8 | 8.7% | 5.7k | 27k | #55 |
| 49 | United Arab Emirates | 19.4 | 24.0% | 1.9k | 21k | #57 |
| 50 | Morocco | 19.0 | 21.3% | 3.4k | 27k | #56 |
| 51 | Thailand | 18.6 | 15.5% | 4.9k | 33k | #51 |
| 52 | Hungary | 18.2 | 16.5% | 3.1k | 20k | #49 |
| 53 | Israel | 17.8 | 19.5% | 2.4k | 20k | #40 |
| 54 | Colombia | 17.4 | 8.6% | 5.9k | 21k | #52 |
| 55 | Chile | 17.0 | 14.1% | 4.3k | 25k | #50 |
| 56 | Ghana | 16.6 | 19.2% | 1.9k | 16k | #61 |
| 57 | Cyprus | 16.3 | 26.6% | 853 | 10k | #59 |
| 58 | Argentina | 15.9 | 11.0% | 5.5k | 24k | #45 |
| 59 | Qatar | 15.5 | 31.3% | 839 | 13k | #63 |
| 60 | Jordan | 15.2 | 20.1% | 1k | 8.3k | #71 |
| 61 | Lebanon | 14.9 | 22.3% | 560 | 5.9k | #78 |
| 62 | Kenya | 14.5 | 14.4% | 2k | 11k | #54 |
| 63 | Algeria | 14.2 | 11.1% | 2.5k | 13k | #69 |
| 64 | Ecuador | 13.9 | 8.5% | 3.4k | 9.8k | #73 |
| 65 | Philippines | 13.5 | 7.8% | 3.2k | 9.6k | #66 |
| 66 | Croatia | 13.2 | 11.2% | 2.2k | 11k | #62 |
| 67 | Sri Lanka | 12.9 | 12.3% | 1.6k | 10k | #68 |
| 68 | Slovakia | 12.6 | 12.7% | 2.2k | 10k | #58 |
| 69 | Serbia | 12.3 | 13.2% | 2.1k | 11k | #70 |
| 70 | Tunisia | 12.0 | 14.4% | 1.6k | 12k | #64 |
| 71 | Peru | 11.7 | 6.3% | 3.7k | 9.6k | #74 |
| 72 | Nepal | 11.4 | 11.6% | 1.9k | 8k | #77 |
| 73 | Oman | 11.1 | 22.5% | 580 | 5.4k | #80 |
| 74 | Lithuania | 10.9 | 16.7% | 1.1k | 7.9k | #72 |
| 75 | Uzbekistan | 10.6 | 8.4% | 1.4k | 3.7k | #85 |
| 76 | Macau | 10.3 | 26.5% | 589 | 5.3k | #86 |
| 77 | Azerbaijan | 10.0 | 11.8% | 688 | 2.2k | #88 |
| 78 | Slovenia | 9.8 | 17.1% | 1.5k | 9.5k | #67 |
| 79 | Estonia | 9.5 | 22.3% | 751 | 5.7k | #65 |
| 80 | Bulgaria | 9.2 | 7.7% | 1.9k | 5.3k | #75 |
| 81 | Tanzania | 9.0 | 14.3% | 1.4k | 7k | #76 |
| 82 | Kazakhstan | 8.7 | 10.8% | 1.8k | 6.3k | #79 |
| 83 | Cameroon | 8.5 | 13.1% | 962 | 5.3k | #87 |
| 84 | Kuwait | 8.2 | 18.6% | 492 | 3.9k | #93 |
| 85 | Uganda | 8.0 | 14.8% | 779 | 4.3k | #84 |
| 86 | Latvia | 7.7 | 10.0% | 863 | 3.8k | #90 |
| 87 | Brunei | 7.5 | 23.2% | 263 | 2.5k | #96 |
| 88 | Panama | 7.3 | 12.8% | 509 | 1.9k | #60 |
| 89 | Rwanda | 7.0 | 19.6% | 374 | 2.1k | — |
| 90 | Iceland | 6.8 | 19.4% | 428 | 2.9k | #82 |
| 91 | Costa Rica | 6.6 | 7.6% | 905 | 2.6k | #83 |
| 92 | Zimbabwe | 6.3 | 16.2% | 509 | 2.2k | #94 |
| 93 | Uruguay | 6.1 | 10.1% | 686 | 2.6k | #91 |
| 94 | Luxembourg | 5.9 | 19.5% | 291 | 2.6k | #89 |
| 95 | Botswana | 5.7 | 20.0% | 284 | 2.2k | #97 |
| 96 | Palestine | 5.5 | 17.2% | 237 | 1.9k | — |
| 97 | Benin | 5.3 | 12.0% | 385 | 1.6k | — |
| 98 | Zambia | 5.0 | 10.6% | 480 | 2k | — |
| 99 | Georgia | 4.8 | 8.7% | 366 | 1.3k | — |
| 100 | Montenegro | 4.6 | 20.2% | 201 | 1.3k | — |
countries ranked worldwide in Environmental Science (125). 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.