
Open Access statistics for National Patient Safety Foundation, United States, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
53%
Total
Publications
6.2K
Total Open
Publications
3.3K
Total
Citations
144K
Open Access
Percentage
53%
Total
Publications
6.2K
Total Open
Publications
3.3K
Total
Citations
144K
Breakdown
Publisher Open
15%
Both
30%
Other Platform Open
8%
Closed
47%
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 53%
1.5K
Hybrid 18%
503
No Guarantees 29%
797
Other Platform Open
Domain 84%
2K
Institution 34%
803
Other Internet 5%
125
Public 2%
59
Preprint 2%
52
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 2K |
doaj.org OAI-PMH Repository | Institution | 399 |
Unknown Repository | Other Internet | 88 |
Europe PMC | Domain | 70 |
Figshare | Public | 61 |
DOI | Other Internet | 52 |
California Digital Library | Institution | 31 |
University of Michigan | Institution | 28 |
Royal Netherlands Academy of Arts and Sciences | Institution | 25 |
medRxiv | Preprint | 25 |