Subfield · Nutrition and Dietetics
Top Countries in Nutrition and Dietetics Research
China ranks first in 2022–2025, out of 62 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 | 31.3% | 16k | 187k | #2 |
| 2 | United States | 83.2 | 17.1% | 11k | 80k | #1 |
| 3 | India | 73.4 | 12.1% | 8.2k | 38k | #8 |
| 4 | Italy | 66.4 | 25.9% | 1.9k | 20k | #6 |
| 5 | United Kingdom | 61.0 | 18.6% | 2.4k | 19k | #3 |
| 6 | Canada | 56.6 | 22.2% | 1.5k | 13k | #4 |
| 7 | Australia | 52.9 | 24.8% | 1.4k | 13k | #7 |
| 8 | Germany | 49.6 | 18.4% | 1.6k | 13k | #5 |
| 9 | Spain | 46.8 | 20.7% | 1.7k | 15k | #11 |
| 10 | Poland | 44.2 | 20.8% | 1.3k | 12k | #17 |
| 11 | France | 41.9 | 14.8% | 1.4k | 10k | #9 |
| 12 | Brazil | 39.8 | 11.7% | 3.2k | 15k | #13 |
| 13 | South Korea | 37.9 | 16.1% | 2k | 14k | #20 |
| 14 | Iran | 36.1 | 16.8% | 1.9k | 13k | #18 |
| 15 | Türkiye | 34.4 | 9.3% | 2.7k | 10k | #27 |
| 16 | Indonesia | 32.8 | 4.1% | 5.1k | 7.4k | #32 |
| 17 | Pakistan | 31.4 | 12.1% | 1.3k | 6.2k | #25 |
| 18 | Japan | 30.0 | 9.8% | 2.4k | 11k | #12 |
| 19 | Ethiopia | 28.7 | 21.6% | 1.1k | 7.8k | #35 |
| 20 | Egypt | 27.4 | 12.0% | 1.6k | 7.9k | #33 |
| 21 | Mexico | 26.2 | 12.7% | 1.1k | 6.6k | #28 |
| 22 | Netherlands | 25.1 | 22.3% | 755 | 7.1k | #10 |
| 23 | Nigeria | 24.0 | 6.0% | 1.9k | 4.9k | #37 |
| 24 | Saudi Arabia | 23.0 | 20.7% | 768 | 6.6k | #39 |
| 25 | Switzerland | 22.0 | 23.9% | 450 | 4.5k | #14 |
| 26 | Romania | 21.1 | 24.3% | 383 | 4k | #45 |
| 27 | South Africa | 20.1 | 19.4% | 629 | 4.6k | #26 |
| 28 | ?? | 19.3 | 14.7% | 755 | 4.7k | #38 |
| 29 | Bangladesh | 18.4 | 15.2% | 766 | 3.9k | #40 |
| 30 | Portugal | 17.6 | 21.1% | 527 | 4.7k | #29 |
| 31 | Belgium | 16.8 | 22.9% | 414 | 4k | #16 |
| 32 | Sweden | 16.0 | 26.0% | 380 | 4k | #15 |
| 33 | Greece | 15.3 | 23.9% | 354 | 3.4k | #30 |
| 34 | Malaysia | 14.6 | 13.2% | 689 | 4.1k | #41 |
| 35 | Denmark | 13.9 | 21.5% | 445 | 3.9k | #19 |
| 36 | Russia | 13.2 | 4.8% | 1.4k | 4.2k | #36 |
| 37 | Thailand | 12.5 | 16.7% | 752 | 4.8k | #47 |
| 38 | Ireland | 11.9 | 27.4% | 286 | 3.1k | #22 |
| 39 | New Zealand | 11.2 | 23.7% | 305 | 3.2k | #23 |
| 40 | Taiwan | 10.6 | 17.9% | 527 | 3.9k | #42 |
| 41 | Iraq | 10.0 | 4.3% | 779 | 1.7k | #59 |
| 42 | Ghana | 9.4 | 15.6% | 354 | 1.9k | #52 |
| 43 | Norway | 8.9 | 19.8% | 228 | 2.1k | #31 |
| 44 | Israel | 8.3 | 19.7% | 240 | 1.9k | #24 |
| 45 | Finland | 7.8 | 24.6% | 200 | 2.1k | #21 |
| 46 | Argentina | 7.2 | 13.0% | 440 | 2.3k | #43 |
| 47 | Czechia | 6.7 | 15.1% | 288 | 2.5k | #46 |
| 48 | Austria | 6.2 | 19.4% | 211 | 1.7k | #34 |
| 49 | Chile | 5.7 | 16.9% | 231 | 1.7k | #48 |
| 50 | Hungary | 5.2 | 16.2% | 222 | 1.5k | #49 |
| 51 | Uganda | 4.7 | 15.2% | 209 | 995 | #54 |
| 52 | Serbia | 4.3 | 13.4% | 234 | 1.5k | #57 |
| 53 | Colombia | 3.8 | 11.6% | 347 | 1.5k | #58 |
| 54 | Kenya | 3.3 | 9.4% | 373 | 1.2k | #50 |
| 55 | Morocco | 2.9 | 13.5% | 207 | 996 | #60 |
| 56 | Tanzania | 2.5 | 13.1% | 208 | 863 | #55 |
| 57 | Vietnam | 2.0 | 9.5% | 308 | 1.1k | #61 |
| 58 | Peru | 1.6 | 10.6% | 218 | 746 | #68 |
| 59 | Nepal | 120.2 | 6.6% | 246 | 627 | #66 |
| 60 | Ecuador | 79.4 | 5.5% | 232 | 644 | #73 |
| 61 | Ukraine | 39.4 | 3.3% | 366 | 738 | #69 |
| 62 | Philippines | 0.0 | 5.5% | 210 | 541 | #67 |
countries ranked worldwide in Nutrition and Dietetics (62). 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 16k works
- 2 United States 11k works
- 3 India 8.2k works
- 4 Indonesia 5.1k works
- 5 Brazil 3.2k works
- 6 Türkiye 2.7k works
- 7 United Kingdom 2.4k works
- 8 Japan 2.4k works
- 9 South Korea 2k works
- 10 Iran 1.9k works
- 11 Italy 1.9k works
- 12 Nigeria 1.9k works