Top Countries in Renewable Energy, Sustainability and the Environment Research
China ranks first in 2022–2025, out of 68 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 | 23.9% | 59k | 1.2M | #1 |
| 2 | United States | 83.6 | 15.9% | 10k | 130k | #2 |
| 3 | India | 74.0 | 13.5% | 15k | 159k | #6 |
| 4 | Australia | 67.1 | 25.8% | 2.2k | 48k | #5 |
| 5 | United Kingdom | 61.9 | 20.8% | 3.2k | 47k | #3 |
| 6 | Germany | 57.5 | 14.7% | 4.1k | 46k | #4 |
| 7 | Türkiye | 53.9 | 18.2% | 2.8k | 28k | #12 |
| 8 | Saudi Arabia | 50.7 | 22.1% | 2.7k | 45k | #17 |
| 9 | Pakistan | 47.9 | 23.9% | 1.8k | 30k | #18 |
| 10 | South Korea | 45.4 | 18.2% | 4.3k | 71k | #10 |
| 11 | Malaysia | 43.2 | 16.1% | 2k | 24k | #16 |
| 12 | France | 41.1 | 12.6% | 2.9k | 29k | #8 |
| 13 | ?? | 39.2 | 20.2% | 1.9k | 31k | #24 |
| 14 | Iran | 37.5 | 16.9% | 3.3k | 47k | #19 |
| 15 | Hong Kong | 35.8 | 34.8% | 856 | 24k | #22 |
| 16 | Canada | 34.3 | 18.5% | 1.9k | 29k | #9 |
| 17 | Spain | 32.9 | 13.6% | 2.8k | 31k | #11 |
| 18 | Italy | 31.5 | 16.8% | 2.4k | 27k | #13 |
| 19 | Singapore | 30.2 | 32.0% | 705 | 21k | #14 |
| 20 | Japan | 29.0 | 10.8% | 3.2k | 33k | #7 |
| 21 | Taiwan | 27.8 | 17.1% | 1.5k | 25k | #21 |
| 22 | Egypt | 26.7 | 21.5% | 1.9k | 32k | #30 |
| 23 | Bangladesh | 25.7 | 22.7% | 724 | 9.4k | #35 |
| 24 | Poland | 24.7 | 13.1% | 1.7k | 16k | #27 |
| 25 | Netherlands | 23.7 | 18.5% | 860 | 12k | #20 |
| 26 | Vietnam | 22.8 | 15.0% | 888 | 9.3k | #39 |
| 27 | United Arab Emirates | 21.9 | 22.4% | 641 | 9.7k | #40 |
| 28 | Russia | 21.0 | 6.3% | 3k | 14k | #25 |
| 29 | Indonesia | 20.2 | 6.1% | 2.7k | 11k | #42 |
| 30 | Switzerland | 19.4 | 19.2% | 659 | 11k | #15 |
| 31 | Portugal | 18.6 | 19.6% | 866 | 12k | #28 |
| 32 | South Africa | 17.9 | 18.2% | 913 | 11k | #36 |
| 33 | Nigeria | 17.1 | 10.0% | 1.4k | 7.1k | #38 |
| 34 | Brazil | 16.4 | 8.1% | 2.3k | 17k | #32 |
| 35 | Greece | 15.7 | 18.0% | 608 | 8k | #29 |
| 36 | Sweden | 15.1 | 19.8% | 662 | 10k | #23 |
| 37 | Iraq | 14.4 | 11.3% | 1.3k | 13k | #49 |
| 38 | Romania | 13.8 | 15.2% | 633 | 5.4k | #48 |
| 39 | Denmark | 13.2 | 19.0% | 602 | 8.2k | #26 |
| 40 | Morocco | 12.6 | 16.0% | 858 | 8.4k | #53 |
| 41 | Algeria | 12.0 | 9.8% | 997 | 7.6k | #52 |
| 42 | Norway | 11.4 | 19.3% | 542 | 6.4k | #34 |
| 43 | Belgium | 10.9 | 16.7% | 522 | 6.8k | #33 |
| 44 | Mexico | 10.3 | 5.7% | 1.6k | 8.9k | #50 |
| 45 | Czechia | 9.8 | 14.4% | 516 | 6.4k | #41 |
| 46 | Thailand | 9.3 | 11.8% | 852 | 8.1k | #51 |
| 47 | Tunisia | 8.8 | 17.3% | 435 | 3.6k | #45 |
| 48 | Austria | 8.3 | 13.8% | 429 | 4.1k | #31 |
| 49 | New Zealand | 7.8 | 23.0% | 221 | 3.3k | #46 |
| 50 | Finland | 7.3 | 20.4% | 354 | 4.7k | #47 |
| 51 | Uzbekistan | 6.8 | 11.8% | 386 | 2k | #60 |
| 52 | Qatar | 6.4 | 23.4% | 252 | 4.3k | #56 |
| 53 | Ireland | 5.9 | 21.7% | 242 | 3.3k | #44 |
| 54 | Hungary | 5.5 | 14.6% | 351 | 3.6k | #54 |
| 55 | Jordan | 5.0 | 18.0% | 257 | 3.3k | #64 |
| 56 | Chile | 4.6 | 10.0% | 438 | 3.5k | #55 |
| 57 | Ecuador | 4.2 | 6.2% | 546 | 1.7k | #65 |
| 58 | Ukraine | 3.8 | 5.1% | 658 | 1.7k | #57 |
| 59 | Israel | 3.4 | 13.1% | 312 | 3.5k | #43 |
| 60 | Kazakhstan | 3.0 | 12.0% | 286 | 1.9k | #71 |
| 61 | Colombia | 2.6 | 3.7% | 861 | 2.6k | #58 |
| 62 | Ethiopia | 2.2 | 18.7% | 234 | 3k | #73 |
| 63 | Slovenia | 1.8 | 12.3% | 209 | 2.4k | #63 |
| 64 | Serbia | 143.7 | 9.0% | 245 | 1.6k | #62 |
| 65 | Philippines | 106.9 | 9.6% | 206 | 1.1k | #74 |
| 66 | Argentina | 70.8 | 3.4% | 481 | 1.7k | #59 |
| 67 | Peru | 35.1 | 3.0% | 388 | 735 | #76 |
| 68 | Bulgaria | 0.0 | 4.1% | 269 | 1.1k | #67 |
countries ranked worldwide in Renewable Energy, Sustainability and the Environment (68). 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 59k works
- 2 India 15k works
- 3 United States 10k works
- 4 South Korea 4.3k works
- 5 Germany 4.1k works
- 6 Iran 3.3k works
- 7 Japan 3.2k works
- 8 United Kingdom 3.2k works
- 9 Russia 3k works
- 10 France 2.9k works
- 11 Türkiye 2.8k works
- 12 Spain 2.8k works