
Open Access statistics for NSF NOIRLab, United States, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
90%
Total
Publications
5.9K
Total Open
Publications
5.3K
Total
Citations
513K
Open Access
Percentage
90%
Total
Publications
5.9K
Total Open
Publications
5.3K
Total
Citations
513K
Breakdown
Publisher Open
13%
Both
73%
Other Platform Open
4%
Closed
10%
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 89%
4.6K
Hybrid 3%
143
No Guarantees 8%
407
Other Platform Open
Preprint 79%
3.6K
Institution 53%
2.4K
Other Internet 11%
521
Public 3%
152
Domain 1%
42
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
arXiv | Preprint | 3.7K |
Office of Scientific and Technical Information | Institution | 1.9K |
Le Centre pour la Communication Scientifique Directe - HAL - Diderot | Institution | 606 |
DOI | Other Internet | 565 |
doaj.org OAI-PMH Repository | Institution | 436 |
aecid.es OAI-PMH Repository | Institution | 314 |
LA Referencia | Institution | 276 |
University of Groningen | Institution | 235 |
Consejo Superior de Investigaciones Científicas | Institution | 235 |
Durham University | Institution | 187 |