National Academy of Sciences
The National Academy of Sciences is an American nonprofit, non-governmental organization. NAS is part of the National Academies of Sciences, Engineering, and Medicine, along with the National Academy of Engineering and the National Academy of Medicine. Derived from Wikipedia licensed CC-BY-SA.
Open Access statistics for National Academy of Sciences, United States, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
38%
Total
Publications
4.4K
Total Open
Publications
1.6K
Total
Citations
119K
Open Access
Percentage
38%
Total
Publications
4.4K
Total Open
Publications
1.6K
Total
Citations
119K
Breakdown
Publisher Open
18%
Both
14%
Other Platform Open
5%
Closed
63%
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 35%
487
Hybrid 26%
352
No Guarantees 39%
543
Other Platform Open
Institution 68%
563
Domain 35%
290
Preprint 26%
216
Other Internet 12%
96
Public 3%
25
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 293 |
arXiv | Preprint | 189 |
Office of Scientific and Technical Information | Institution | 188 |
doaj.org OAI-PMH Repository | Institution | 157 |
DOI | Other Internet | 59 |
Unknown Repository | Other Internet | 56 |
LA Referencia | Institution | 49 |
Le Centre pour la Communication Scientifique Directe - HAL - Diderot | Institution | 39 |
California Digital Library | Institution | 38 |
Japan Aerospace Exploration Agency | Institution | 32 |