Open Access statistics for Government of the United States of America, United States, covering academic research published from 2000 to 2024. Read More.
Open Access Percentage
55%
Total
Publications
1.9M
Total Open
Publications
1M
Total
Citations
82M
Open Access
Percentage
55%
Total
Publications
1.9M
Total Open
Publications
1M
Total
Citations
82M
Breakdown
Publisher Open
14%
Both
21%
Other Platform Open
20%
Closed
45%
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 30%
199K
Hybrid 34%
226K
No Guarantees 36%
246K
Other Platform Open
Domain 53%
405K
Institution 39%
300K
Other Internet 17%
130K
Preprint 17%
128K
Public 7%
55K
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 402K |
Europe PMC | Domain | 245K |
U.S. Department of Energy Office of Scientific and Technical Information - OSTI OAI | Institution | 170K |
arXiv | Preprint | 106K |
Semantic Scholar | Public | 44K |
DOI | Other Internet | 37K |
University of North Texas - University of North Texas Digital Library | Other Internet | 28K |
University of California - eScholarship University of California | Institution | 27K |
California Digital Library - eScholarship | Other Internet | 27K |
CiteSeer X | Other Internet | 17K |
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