Subfield · Astronomy and Astrophysics
Top Countries in Astronomy and Astrophysics Research
United States ranks first in 2022–2025, out of 51 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 | 19.8% | 29k | 220k | #1 |
| 2 | China | 82.4 | 23.0% | 14k | 97k | #6 |
| 3 | France | 72.1 | 25.8% | 5.9k | 61k | #4 |
| 4 | United Kingdom | 64.7 | 25.9% | 5.5k | 53k | #2 |
| 5 | Germany | 59.1 | 28.2% | 5.2k | 49k | #3 |
| 6 | Italy | 54.4 | 27.5% | 4.9k | 46k | #5 |
| 7 | Japan | 50.5 | 23.5% | 4k | 33k | #7 |
| 8 | Spain | 47.1 | 25.0% | 3k | 26k | #9 |
| 9 | Canada | 44.1 | 26.2% | 2.1k | 19k | #8 |
| 10 | India | 41.4 | 18.1% | 6k | 31k | #14 |
| 11 | Australia | 39.0 | 23.3% | 2k | 21k | #10 |
| 12 | Netherlands | 36.8 | 30.2% | 1.3k | 14k | #12 |
| 13 | Switzerland | 34.8 | 31.6% | 1k | 12k | #11 |
| 14 | Pakistan | 32.9 | 29.1% | 725 | 6.6k | #34 |
| 15 | Russia | 31.1 | 7.4% | 5.3k | 15k | #13 |
| 16 | Brazil | 29.5 | 17.3% | 1.8k | 9.7k | #19 |
| 17 | Denmark | 27.9 | 31.4% | 440 | 5.7k | #21 |
| 18 | Belgium | 26.5 | 26.4% | 733 | 6.4k | #17 |
| 19 | Sweden | 25.1 | 29.9% | 754 | 8.4k | #15 |
| 20 | Iran | 23.8 | 19.5% | 934 | 5.5k | #29 |
| 21 | Czechia | 22.6 | 24.0% | 742 | 5.3k | #30 |
| 22 | Chile | 21.4 | 27.8% | 824 | 8k | #20 |
| 23 | ?? | 20.3 | 27.0% | 654 | 6.8k | #25 |
| 24 | Israel | 19.2 | 23.5% | 717 | 5.9k | #16 |
| 25 | Portugal | 18.1 | 29.0% | 537 | 4.7k | #23 |
| 26 | Greece | 17.1 | 24.5% | 570 | 5.2k | #24 |
| 27 | South Korea | 16.2 | 22.8% | 1k | 7k | #22 |
| 28 | Poland | 15.3 | 19.1% | 1.1k | 6.7k | #18 |
| 29 | Uzbekistan | 14.4 | 39.7% | 308 | 3.2k | #41 |
| 30 | South Africa | 13.5 | 23.6% | 689 | 5.4k | #28 |
| 31 | Austria | 12.7 | 20.9% | 555 | 3.7k | #26 |
| 32 | Türkiye | 11.9 | 11.5% | 970 | 3k | #39 |
| 33 | Mexico | 11.1 | 14.5% | 805 | 4.3k | #31 |
| 34 | Taiwan | 10.3 | 20.6% | 482 | 4k | #32 |
| 35 | Finland | 9.6 | 23.8% | 452 | 3.8k | #27 |
| 36 | Saudi Arabia | 8.9 | 21.9% | 369 | 1.9k | #44 |
| 37 | Norway | 8.2 | 19.0% | 356 | 2.8k | #33 |
| 38 | Argentina | 7.5 | 15.7% | 503 | 2.8k | #35 |
| 39 | Hungary | 6.8 | 13.5% | 430 | 2.5k | #36 |
| 40 | Ireland | 6.2 | 24.6% | 220 | 1.8k | #37 |
| 41 | Thailand | 5.6 | 21.0% | 252 | 1.3k | #49 |
| 42 | Hong Kong | 4.9 | 18.8% | 289 | 1.7k | #42 |
| 43 | Kazakhstan | 4.3 | 21.2% | 205 | 1.2k | #58 |
| 44 | Egypt | 3.8 | 12.5% | 391 | 1.5k | #48 |
| 45 | Romania | 3.2 | 14.5% | 316 | 1.2k | #46 |
| 46 | Ukraine | 2.6 | 6.9% | 554 | 1.5k | #38 |
| 47 | Indonesia | 2.1 | 5.3% | 532 | 574 | #60 |
| 48 | Malaysia | 1.5 | 9.4% | 246 | 818 | #51 |
| 49 | Slovakia | 101.7 | 10.0% | 276 | 762 | #43 |
| 50 | Bulgaria | 50.4 | 11.3% | 236 | 767 | #53 |
| 51 | Serbia | 0.0 | 7.8% | 249 | 765 | #47 |
countries ranked worldwide in Astronomy and Astrophysics (51). 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.