Open Access statistics for Crossref, United States, covering academic research published from 2001 to 2025. Read More.
Open Access Percentage
81%
Total
Publications
272
Total Open
Publications
220
Total
Citations
1.4K
Open Access
Percentage
81%
Total
Publications
272
Total Open
Publications
220
Total
Citations
1.4K
Breakdown
Publisher Open
43%
Both
20%
Other Platform Open
1%
Closed
36%
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 33%
30
Hybrid 40%
36
No Guarantees 27%
25
Other Platform Open
Institution 73%
27
Domain 27%
10
Other Internet 16%
6
Preprint 8%
3
Public 8%
3
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
doaj.org OAI-PMH Repository | Institution | 13 |
PubMed Central | Domain | 10 |
Adam Mickiewicz University in Poznań | Institution | 8 |
University of Edinburgh | Institution | 4 |
UiT The Arctic University of Norway | Institution | 4 |
Zenodo | Public | 3 |
Unknown Repository | Other Internet | 3 |
Europe PMC | Domain | 3 |
DOI | Other Internet | 3 |
OSF Preprints - OSF Preprints | Preprint | 2 |
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