National Institutes of Health

National Institutes of Health

The National Institutes of Health is the primary agency of the United States federal government responsible for biomedical and public health research. It was founded in 1887 and is part of the United States Department of Health and Human Services. Derived from Wikipedia licensed CC-BY-SA.

Open Access statistics for National Institutes of Health, United States, covering academic research published from 2000 to 2025. Read More.


Open Access Percentage

64%


Total
Publications

309K


Total Open
Publications

198K


Total
Citations

23M


Open Access
Percentage

64%


Total
Publications

309K


Total Open
Publications

198K


Total
Citations

23M

Wikipedia

Website

download

Breakdown

15% 30% 19% 36%

Publisher Open

15%

Both

30%

Other Platform Open

19%

Closed

36%

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

02k4k6k8k10k12k14kTotal Publications
20002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025

Open

Closed

Publisher Open

44%OA Journal

OA Journal 44%

62K

Hybrid 16%

22K

No Guarantees 40%

56K

Other Platform Open

Domain 87%

133K

Institution 33%

51K

Other Internet 7%

10K

Preprint 7%

10K

Public 4%

5.4K

Other Platform Locations

Name

Platform Type

Publications

PubMed Central
Domain
135K
doaj.org OAI-PMH Repository
Institution
27K
DOI
Other Internet
8.6K
bioRxiv
Preprint
6.3K
Figshare
Public
5K
Europe PMC
Domain
3.7K
California Digital Library
Institution
3.2K
Unknown Repository
Other Internet
3.1K
Royal Netherlands Academy of Arts and Sciences
Institution
2.6K
National Institutes of Health
Institution
1.9K
1 / 20

Data updated 12 August 2026

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