Open Access statistics for United States, covering academic research published from 2000 to 2024. Read More.
Open Access Percentage
40%
Total
Publications
18M
Total Open
Publications
7.2M
Total
Citations
607M
Open Access
Percentage
40%
Total
Publications
18M
Total Open
Publications
7.2M
Total
Citations
607M
Breakdown
Publisher Open
16%
Both
15%
Other Platform Open
8%
Closed
61%
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 41%
2.2M
Hybrid 27%
1.4M
No Guarantees 32%
1.7M
Other Platform Open
Domain 57%
2.4M
Institution 30%
1.3M
Other Internet 19%
785K
Preprint 11%
461K
Public 3%
122K
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 2.3M |
DOI | Other Internet | 630K |
U.S. Department of Energy Office of Scientific and Technical Information - OSTI OAI | Institution | 440K |
arXiv | Preprint | 427K |
Unknown Repository | Other Internet | 166K |
Europe PMC | Domain | 119K |
Figshare | Public | 103K |
Le Centre pour la Communication Scientifique Directe - HAL - Diderot | Institution | 87K |
DANS - Data Archiving and Networked Services | Institution | 69K |
DASH - Digital Access to Scholarship at Harvard | Institution | 38K |
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