Subfield · Space and Planetary Science
Top Countries in Space and Planetary Science Research
United States ranks first in 2022–2025, out of 4 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 | 18.2% | 564 | 1.1k | #1 |
| 2 | Italy | 50.0 | 24.6% | 411 | 1.3k | #3 |
| 3 | United Kingdom | 20.8 | 21.2% | 440 | 757 | #2 |
| 4 | France | 0.0 | 14.9% | 203 | 264 | #5 |
countries ranked worldwide in Space and Planetary Science (4). 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.