Open Access statistics for United States, covering academic research published from 2000 to 2023. Read More.
Open Access Percentage
43%
Total
Publications
15M
Total Open
Publications
6.6M
Total
Citations
450M
Open Access
Percentage
43%
Total
Publications
15M
Total Open
Publications
6.6M
Total
Citations
450M
Breakdown
Publisher Open
14%
Both
16%
Other Platform Open
13%
Closed
57%
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%
1.4M
Hybrid 27%
1.2M
No Guarantees 43%
1.9M
Other Platform Open
Domain 61%
2.7M
Institution 29%
1.3M
Preprint 19%
848K
Other Internet 13%
592K
Public 8%
356K
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 2.7M |
Europe PMC | Domain | 1.9M |
arXiv | Preprint | 493K |
Semantic Scholar | Public | 281K |
CiteSeer X | Other Internet | 188K |
U.S. Department of Energy Office of Scientific and Technical Information - OSTI OAI | Institution | 167K |
DOI | Other Internet | 158K |
bioRxiv | Preprint | 142K |
RePEc: Research Papers in Economics - RePEc | Preprint | 133K |
Figshare | Public | 95K |
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