Open Access statistics for University of California System, United States, covering academic research published from 2000 to 2023. Read More.
Open Access Percentage
56%
Total
Publications
1.2M
Total Open
Publications
675K
Total
Citations
55M
Open Access
Percentage
56%
Total
Publications
1.2M
Total Open
Publications
675K
Total
Citations
55M
Breakdown
Publisher Open
14%
Both
23%
Other Platform Open
19%
Closed
44%
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%
128K
Hybrid 31%
137K
No Guarantees 40%
179K
Other Platform Open
Domain 57%
293K
Institution 38%
193K
Other Internet 29%
148K
Preprint 22%
115K
Public 6%
32K
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 288K |
Europe PMC | Domain | 202K |
California Digital Library - eScholarship | Other Internet | 86K |
University of California - eScholarship University of California | Institution | 84K |
arXiv | Preprint | 73K |
U.S. Department of Energy Office of Scientific and Technical Information - OSTI OAI | Institution | 30K |
CiteSeer X | Other Internet | 24K |
Semantic Scholar | Public | 24K |
DOI | Other Internet | 23K |
bioRxiv | Preprint | 21K |
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