Open Access statistics for United States, covering academic research published from 2000 to 2023. Read More.
Open Access Percentage
45%
Total
Publications
16M
Total Open
Publications
7.2M
Total
Citations
485M
Open Access
Percentage
45%
Total
Publications
16M
Total Open
Publications
7.2M
Total
Citations
485M
Breakdown
Publisher Open
15%
Both
17%
Other Platform Open
13%
Closed
55%
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 29%
1.5M
Hybrid 28%
1.5M
No Guarantees 43%
2.2M
Other Platform Open
Domain 61%
2.9M
Institution 29%
1.4M
Preprint 19%
894K
Other Internet 14%
671K
Public 9%
419K
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 2.8M |
Europe PMC | Domain | 1.9M |
arXiv | Preprint | 512K |
Semantic Scholar | Public | 331K |
CiteSeer X | Other Internet | 191K |
U.S. Department of Energy Office of Scientific and Technical Information - OSTI OAI | Institution | 182K |
DOI | Other Internet | 176K |
bioRxiv | Preprint | 144K |
RePEc: Research Papers in Economics - RePEc | Preprint | 137K |
Figshare | Public | 102K |
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