Japan

Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea in the south. Derived from Wikipedia licensed CC-BY-SA.

Open Access statistics for Japan, covering academic research published from 2000 to 2024. Read More.

Open Access Percentage

46%

Total
Publications

3.7M

Total Open
Publications

1.7M

Total
Citations

74M

Open Access
Percentage

46%

Total
Publications

3.7M

Total Open
Publications

1.7M

Total
Citations

74M

Wikipedia

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Breakdown

Publisher Open

27%

Both

13%

Other Platform Open

Closed

54%

Percentage of Open Access over time

Publisher Open

Both

Other Platform Open

Closed

Volume of Open Access over time

Open

Closed

Publisher Open

OA Journal 23%

334K

Hybrid 22%

325K

No Guarantees 55%

806K

Other Platform Open

Domain 57%

398K

Institution 25%

178K

Preprint 22%

158K

Public 12%

88K

Other Internet 10%

68K

Other Platform Locations

Name	Platform Type	Publications
PubMed Central	Domain	393K
Europe PMC	Domain	191K
arXiv	Preprint	114K
Semantic Scholar	Public	76K
Research Square	Preprint	26K
DOI	Other Internet	26K
Kyoto University - Kyoto University Research Information Repository	Institution	18K
CiteSeer X	Other Internet	18K
bioRxiv	Preprint	14K
Figshare	Public	12K

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Data updated 7 April 2025