
Open Access statistics for University of America, United States, covering academic research published from 2000 to 2025.
Open Access statistics for University of America, United States, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
50%
Total
Publications
9.2K
Total Open
Publications
4.6K
Total
Citations
257K
Open Access
Percentage
50%
Total
Publications
9.2K
Total Open
Publications
4.6K
Total
Citations
257K
Breakdown
Publisher Open
13%
Both
27%
Other Platform Open
9%
Closed
51%
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 63%
2.3K
Hybrid 17%
617
No Guarantees 20%
697
Other Platform Open
Institution 70%
2.3K
Preprint 31%
1K
Other Internet 28%
927
Domain 20%
663
Public 1%
49
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
DOI | Other Internet | 2.7K |
Office of Scientific and Technical Information | Institution | 1.8K |
arXiv | Preprint | 1K |
doaj.org OAI-PMH Repository | Institution | 905 |
PubMed Central | Domain | 663 |
helsinki.fi OAI-PMH Repository | Institution | 497 |
LA Referencia | Institution | 487 |
ETH Zurich | Institution | 469 |
epfl.ch OAI-PMH Repository | Institution | 411 |
California Institute of Technology | Institution | 411 |