Open Access statistics for Concern Worldwide US, United States, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
2%
Total
Publications
23K
Total Open
Publications
486
Total
Citations
13K
Open Access
Percentage
2%
Total
Publications
23K
Total Open
Publications
486
Total
Citations
13K
Breakdown
Publisher Open
1%
Both
1%
Other Platform Open
0%
Closed
98%
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 42%
181
Hybrid 29%
125
No Guarantees 29%
128
Other Platform Open
Institution 63%
147
Domain 42%
97
Other Internet 11%
26
Preprint 3%
7
Public 1%
3
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 97 |
doaj.org OAI-PMH Repository | Institution | 82 |
LA Referencia | Institution | 31 |
Unknown Repository | Other Internet | 18 |
aecid.es OAI-PMH Repository | Institution | 14 |
DOI | Other Internet | 10 |
Office of Scientific and Technical Information | Institution | 6 |
Hospitais da Universidade de Coimbra | Institution | 5 |
Europe PMC | Domain | 5 |
European Organization for Nuclear Research | Institution | 4 |
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