Open Access statistics for Credo Reference (United States), United States, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
87%
Total
Publications
280
Total Open
Publications
243
Total
Citations
2K
Open Access
Percentage
87%
Total
Publications
280
Total Open
Publications
243
Total
Citations
2K
Breakdown
Publisher Open
15%
Both
64%
Other Platform Open
8%
Closed
13%
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%
158
Hybrid 7%
16
No Guarantees 19%
41
Other Platform Open
Domain 75%
148
Institution 23%
45
Other Internet 6%
12
Preprint 2%
3
Public 1%
1
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 148 |
Hospitais da Universidade de Coimbra | Institution | 13 |
Unknown Repository | Other Internet | 12 |
doaj.org OAI-PMH Repository | Institution | 12 |
Purdue University System | Institution | 10 |
Europe PMC | Domain | 7 |
LA Referencia | Institution | 3 |
Royal Netherlands Academy of Arts and Sciences | Institution | 2 |
Purdue University West Lafayette | Institution | 2 |
DOI | Other Internet | 2 |
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