
Open Access statistics for Association of Universities for Research in Astronomy, United States, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
87%
Total
Publications
20K
Total Open
Publications
17K
Total
Citations
1.4M
Open Access
Percentage
87%
Total
Publications
20K
Total Open
Publications
17K
Total
Citations
1.4M
Breakdown
Publisher Open
13%
Both
69%
Other Platform Open
5%
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 88%
14K
Hybrid 3%
525
No Guarantees 9%
1.4K
Other Platform Open
Preprint 80%
12K
Institution 53%
7.6K
Other Internet 10%
1.4K
Public 3%
431
Domain 1%
138
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
arXiv | Preprint | 12K |
Office of Scientific and Technical Information | Institution | 2.4K |
Le Centre pour la Communication Scientifique Directe - HAL - Diderot | Institution | 1.7K |
DOI | Other Internet | 1.4K |
doaj.org OAI-PMH Repository | Institution | 1.3K |
University of Groningen | Institution | 734 |
Royal Netherlands Academy of Arts and Sciences | Institution | 711 |
LA Referencia | Institution | 667 |
aecid.es OAI-PMH Repository | Institution | 632 |
Durham University | Institution | 556 |