
Open Access statistics for Creative Commons, United States, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
98%
Total
Publications
23K
Total Open
Publications
22K
Total
Citations
136K
Open Access
Percentage
98%
Total
Publications
23K
Total Open
Publications
22K
Total
Citations
136K
Breakdown
Publisher Open
22%
Both
75%
Other Platform Open
1%
Closed
2%
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 74%
16K
Hybrid 22%
4.8K
No Guarantees 4%
873
Other Platform Open
Domain 73%
12K
Institution 64%
11K
Other Internet 1%
170
Public 0%
33
Preprint 0%
16
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 12K |
doaj.org OAI-PMH Repository | Institution | 10K |
Europe PMC | Domain | 452 |
DOI | Other Internet | 92 |
LA Referencia | Institution | 91 |
Unknown Repository | Other Internet | 88 |
California State University, San Bernardino | Institution | 65 |
Harvard University | Institution | 61 |
California Digital Library | Institution | 51 |
Royal Netherlands Academy of Arts and Sciences | Institution | 44 |