
Open Access statistics for IHS Markit (United States), United States, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
47%
Total
Publications
1.1K
Total Open
Publications
515
Total
Citations
19K
Open Access
Percentage
47%
Total
Publications
1.1K
Total Open
Publications
515
Total
Citations
19K
Breakdown
Publisher Open
29%
Both
12%
Other Platform Open
5%
Closed
54%
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 23%
101
Hybrid 38%
166
No Guarantees 39%
169
Other Platform Open
Institution 56%
107
Domain 29%
56
Other Internet 24%
45
Preprint 5%
9
Public 2%
3
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 57 |
doaj.org OAI-PMH Repository | Institution | 49 |
DOI | Other Internet | 35 |
Unknown Repository | Other Internet | 10 |
Office of Scientific and Technical Information | Institution | 7 |
Erasmus University Rotterdam | Institution | 7 |
arXiv | Preprint | 5 |
aecid.es OAI-PMH Repository | Institution | 5 |
RELX Group (Netherlands) | Institution | 4 |
OSF Preprints - OSF Preprints | Preprint | 4 |