Universities by Research h-index in Japan
Universities and colleges ranked by OpenAlex's institutional h-index, which combines publication volume and citation impact. This is a research metric, not a measure of teaching quality. OpenAlex is an open scholarly index; larger and older institutions tend to have more indexed research.
1The University of Tokyo601,130 works
1,463
2Kyoto University402,272 works
1,152
3The University of Osaka329,104 works
1,136
4Tohoku University305,246 works
877
5Nagoya University318,350 works
755
6Keio University137,895 works
734
7Kyushu University255,546 works
719
8University of Tsukuba150,063 works
685
9Tokyo Institute of Technology180,329 works
678
10Hokkaido University275,579 works
656
11Kobe University104,240 works
618
12Hiroshima University128,503 works
594
13Tokyo Medical and Dental University61,992 works
568
14Chiba University99,351 works
543
15Kumamoto University64,355 works
537
16Juntendo University50,639 works
530
17Okayama University103,126 works
513
18Kanazawa University76,435 works
509
19Nara Institute of Science and Technology24,240 works
499
20Kindai University55,906 works
478
21Niigata University65,782 works
477
22Tokyo Women's Medical University39,947 works
455
23The Graduate University for Advanced Studies, SOKENDAI24,533 works
453
24Osaka City University60,528 works
452
25Shinshu University58,135 works
440
26Yokohama City University38,756 works
433
27Waseda University100,262 works
429
28Jichi Medical University32,974 works
427
29Nagasaki University58,446 works
424
30SHOWA Medical University31,148 works
421
31Tokyo University of Science65,523 works
415
32Tokai University51,476 works
414
33Kurume University28,898 works
409
34Tokushima University53,060 works
406
35National Institute for Environmental Studies21,531 works
401
36Tokyo Metropolitan University53,814 works
398
37Gunma University52,488 works
389
38National Institute for Basic Biology6,245 works
388
39Kagoshima University50,099 works
385
40Osaka Prefecture University44,444 works
375
41Kyoto Prefectural University of Medicine33,744 works
372
42Medical Institute of Bioregulation, Kyushu University5,402 works
369
43Mie University38,973 works
366
44Nagoya City University33,049 works
366
45Kitasato University42,398 works
365
46Sapporo Medical University25,586 works
363
47Tokyo University of Agriculture and Technology44,575 works
362
48Teikyo University31,026 works
359
49Hyogo Medical University21,381 works
354
50Wakayama Medical University17,275 works
353
Highlights
Within Japan, The University of Tokyo ranks first in 2026 with 1,463, followed by Kyoto University (1,152) and The University of Osaka (1,136).
Across 50 entries, values run from 1,463 (The University of Tokyo) to 353 (Wakayama Medical University), with a median of 437.
Source: OpenAlex, institutional Research h-index, 2026. Unit: h-index.
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