Subfield · Radiological and Ultrasound Technology
Top Countries in Radiological and Ultrasound Technology Research
China ranks first in 2022–2025, out of 30 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 | 25.4% | 2.8k | 24k | #3 |
| 2 | United States | 79.6 | 14.3% | 4k | 17k | #1 |
| 3 | United Kingdom | 67.7 | 18.2% | 1.1k | 5.6k | #2 |
| 4 | Australia | 59.2 | 27.1% | 723 | 5.3k | #4 |
| 5 | India | 52.7 | 11.1% | 1.4k | 4.8k | #12 |
| 6 | Canada | 47.3 | 20.1% | 706 | 3.9k | #5 |
| 7 | Italy | 42.8 | 23.1% | 528 | 3.4k | #9 |
| 8 | South Korea | 38.9 | 22.5% | 458 | 3k | #13 |
| 9 | Iran | 35.4 | 15.4% | 632 | 3.1k | #18 |
| 10 | Türkiye | 32.3 | 10.2% | 1.1k | 3.7k | #16 |
| 11 | Germany | 29.5 | 18.8% | 484 | 2.4k | #7 |
| 12 | Spain | 26.9 | 15.1% | 503 | 2.3k | #11 |
| 13 | Saudi Arabia | 24.6 | 19.6% | 283 | 2k | #24 |
| 14 | France | 22.4 | 11.3% | 491 | 1.7k | #6 |
| 15 | Malaysia | 20.4 | 13.7% | 415 | 1.8k | #21 |
| 16 | Netherlands | 18.5 | 26.8% | 203 | 1.4k | #8 |
| 17 | Portugal | 16.7 | 16.5% | 256 | 1k | #25 |
| 18 | Brazil | 15.0 | 5.3% | 1.1k | 1.9k | #15 |
| 19 | Indonesia | 13.4 | 4.3% | 935 | 1k | #38 |
| 20 | Nigeria | 11.9 | 6.5% | 488 | 1.5k | #35 |
| 21 | Norway | 10.5 | 21.4% | 215 | 1.3k | #17 |
| 22 | Japan | 9.1 | 8.8% | 570 | 1.9k | #14 |
| 23 | Egypt | 7.8 | 12.2% | 336 | 1.6k | #34 |
| 24 | Sweden | 6.6 | 22.0% | 240 | 1.3k | #10 |
| 25 | Iraq | 5.4 | 8.2% | 314 | 848 | #41 |
| 26 | ?? | 4.2 | 12.8% | 238 | 1k | #29 |
| 27 | South Africa | 3.1 | 15.4% | 270 | 1.1k | #31 |
| 28 | Poland | 2.0 | 15.0% | 220 | 1.2k | #33 |
| 29 | Pakistan | 99.7 | 10.1% | 236 | 833 | #39 |
| 30 | Russia | 0.0 | 4.6% | 405 | 992 | #32 |
countries ranked worldwide in Radiological and Ultrasound Technology (30). 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.