United States National Library of Medicine

United States National Library of Medicine

The United States National Library of Medicine, operated by the United States federal government, is the world's largest medical library. Located in Bethesda, Maryland, the NLM is an institute within the National Institutes of Health. Derived from Wikipedia licensed CC-BY-SA.

Open Access statistics for United States National Library of Medicine, United States, covering academic research published from 2000 to 2024. Read More.


Open Access Percentage

78%


Total
Publications

5.6K


Total Open
Publications

4.4K


Total
Citations

574K


Open Access
Percentage

78%


Total
Publications

5.6K


Total Open
Publications

4.4K


Total
Citations

574K

Wikipedia

Website

download

Breakdown

12% 47% 19% 22%

Publisher Open

12%

Both

47%

Other Platform Open

19%

Closed

22%

Percentage of Open Access over time

0%10%20%30%40%50%60%70%80%90%100%
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Publisher Open

Both

Other Platform Open

Closed

Volume of Open Access over time

050100150200250300350400Total Publications
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Open

Closed

Publisher Open

46%OA Journal

OA Journal 46%

1.5K

Hybrid 34%

1.1K

No Guarantees 20%

672

Other Platform Open

Domain 86%

3.2K

Preprint 17%

618

Institution 16%

583

Other Internet 13%

488

Public 12%

459

Other Platform Locations

Name

Platform Type

Publications

PubMed Central
Domain
3.2K
Europe PMC
Domain
1.9K
Semantic Scholar
Public
405
bioRxiv
Preprint
389
DOI
Other Internet
255
arXiv
Preprint
134
CiteSeer X
Other Internet
62
Research Square
Preprint
61
California Digital Library - eScholarship
Other Internet
56
Le Centre pour la Communication Scientifique Directe - HAL - Université Paris Descartes
Institution
50
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Data updated 13 February 2025

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