Universities by Research Publications in Japan

Universities and colleges ranked by the number of scholarly works indexed by OpenAlex. This measures research volume, not teaching quality. OpenAlex is an open scholarly index; larger and older institutions tend to have more indexed research.

📅 2026📏 works50 entries🇯🇵 See all of this country’s rankings →

All entries · 50

200k works400k works600k works

Every dot is one entry, placed by its value (works); the vertical bar marks each row’s median.

The University of Tokyo51,309,402 citations

601,130

Kyoto University31,210,257 citations

402,272

The University of Osaka27,578,167 citations

329,104

Nagoya University15,773,082 citations

318,350

Tohoku University19,544,927 citations

305,246

Hokkaido University12,266,604 citations

275,579

Kyushu University14,906,354 citations

255,546

Tokyo Institute of Technology10,055,706 citations

180,329

University of Tsukuba9,665,847 citations

150,063

Keio University8,586,687 citations

137,895

Hiroshima University7,420,627 citations

128,503

Kobe University7,174,815 citations

104,240

Okayama University6,055,545 citations

103,126

Waseda University3,544,191 citations

100,262

Chiba University6,315,043 citations

99,351

Nihon University2,660,185 citations

78,331

Kanazawa University4,806,344 citations

76,435

Niigata University3,930,355 citations

65,782

Tokyo University of Science2,750,292 citations

65,523

Kumamoto University4,793,599 citations

64,355

Tokyo Medical and Dental University5,014,664 citations

61,992

Osaka City University3,575,165 citations

60,528

Nagasaki University3,393,967 citations

58,446

Shinshu University3,223,392 citations

58,135

Kindai University2,652,644 citations

55,906

Tokyo Metropolitan University2,367,782 citations

53,814

Tokushima University3,317,487 citations

53,060

Gunma University2,812,416 citations

52,488

Tokai University2,161,234 citations

51,476

Gifu University2,587,388 citations

50,993

Juntendo University3,522,199 citations

50,639

Yamaguchi University2,152,861 citations

50,418

Kagoshima University2,462,289 citations

50,099

Shizuoka University1,974,213 citations

47,631

Tokyo University of Agriculture and Technology1,997,900 citations

44,575

Osaka Prefecture University1,980,021 citations

44,444

Ehime University2,285,508 citations

44,387

University of Toyama2,323,098 citations

44,093

Kitasato University2,340,866 citations

42,398

Yokohama National University1,188,597 citations

41,097

Tokyo Women's Medical University2,589,174 citations

39,947

Yamagata University1,722,841 citations

39,327

Mie University2,152,086 citations

38,973

Yokohama City University2,776,979 citations

38,756

Ritsumeikan University931,582 citations

37,567

Nagoya Institute of Technology1,123,814 citations

37,219

Tottori University1,688,605 citations

36,147

Nippon Medical School1,763,127 citations

34,855

Kyushu Institute of Technology829,502 citations

33,786

Kyoto Prefectural University of Medicine2,725,384 citations

33,744

Highlights

Within Japan, The University of Tokyo ranks first in 2026 with 601,130, followed by Kyoto University (402,272) and The University of Osaka (329,104).

Across 50 entries, values run from 601,130 (The University of Tokyo) to 33,744 (Kyoto Prefectural University of Medicine), with a median of 54,860.

Source: OpenAlex, institutional Publications, 2026. Unit: works.

Source: OpenAlex, institutional Publications · CC0 1.0 (OpenAlex) · fetched Oct 17, 2026 — OpenAlex indexes scholarly works and citations. Coverage and citation practices vary by institution and field; this is a research measure, not a ranking of teaching quality.

Ranking

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Highlights

Within Japan, The University of Tokyo ranks first in 2026 with 601,130, followed by Kyoto University (402,272) and The University of Osaka (329,104).

Across 50 entries, values run from 601,130 (The University of Tokyo) to 33,744 (Kyoto Prefectural University of Medicine), with a median of 54,860.

Source: OpenAlex, institutional Publications, 2026. Unit: works.