Subfield · Discrete Mathematics and Combinatorics
Top Countries in Discrete Mathematics and Combinatorics Research
China ranks first in 2022–2025, out of 10 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 | 13.1% | 1.4k | 2.8k | #2 |
| 2 | United States | 69.9 | 12.4% | 1.4k | 3.3k | #1 |
| 3 | United Kingdom | 52.3 | 13.9% | 387 | 813 | #3 |
| 4 | Germany | 39.8 | 12.9% | 391 | 787 | #5 |
| 5 | Russia | 30.1 | 9.1% | 462 | 581 | #6 |
| 6 | France | 22.2 | 10.8% | 363 | 746 | #4 |
| 7 | India | 15.5 | 8.9% | 503 | 682 | #13 |
| 8 | Italy | 9.7 | 13.5% | 253 | 494 | #11 |
| 9 | Canada | 4.6 | 11.0% | 252 | 693 | #8 |
| 10 | Japan | 0.0 | 8.8% | 290 | 398 | #7 |
countries ranked worldwide in Discrete Mathematics and Combinatorics (10). 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.
Ranked by volume, 2022–2025
- 1 China 1.4k works
- 2 United States 1.4k works
- 3 India 503 works
- 4 Russia 462 works
- 5 Germany 391 works
- 6 United Kingdom 387 works
- 7 France 363 works
- 8 Japan 290 works
- 9 Italy 253 works
- 10 Canada 252 works
- 11 South Korea 151 works
- 12 Brazil 144 works