National Institute for Environmental Studies

National Institute for Environmental Studies

The National Institute for Environmental Studies was established in 1974 as a focal point for environmental research in Japan. In 2001 it became an Independent Administrative Institution. Derived from Wikipedia licensed CC-BY-SA.

Open Access statistics for National Institute for Environmental Studies, Japan, covering academic research published from 2000 to 2025. Read More.


Open Access Percentage

57%


Total
Publications

14K


Total Open
Publications

8K


Total
Citations

613K


Open Access
Percentage

57%


Total
Publications

14K


Total Open
Publications

8K


Total
Citations

613K

Wikipedia

Website

download

Breakdown

26% 23% 6% 45%

Publisher Open

26%

Both

23%

Other Platform Open

6%

Closed

45%

Percentage of Open Access over time

0%10%20%30%40%50%60%70%80%90%100%
20002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025

Publisher Open

Both

Other Platform Open

Closed

Volume of Open Access over time

0100200300400500600700800Total Publications
20002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025

Open

Closed

Publisher Open

47%OA Journal

OA Journal 47%

3.1K

Hybrid 19%

1.2K

No Guarantees 34%

2.2K

Other Platform Open

Institution 77%

3.1K

Domain 32%

1.3K

Other Internet 19%

759

Preprint 5%

215

Public 5%

215

Other Platform Locations

Name

Platform Type

Publications

doaj.org OAI-PMH Repository
Institution
1.7K
PubMed Central
Domain
1.3K
DOI
Other Internet
652
National Institute of Informatics
Institution
490
Le Centre pour la Communication Scientifique Directe - HAL - Diderot
Institution
336
Unknown Repository
Other Internet
239
Office of Scientific and Technical Information
Institution
202
Figshare
Public
189
Royal Netherlands Academy of Arts and Sciences
Institution
165
International Institute for Applied Systems Analysis
Institution
141
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Data updated 12 August 2026

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