Open Access statistics for National Aeronautics and Space Administration, United States, covering academic research published from 2000 to 2024. Read More.
Open Access Percentage
54%
Total
Publications
145K
Total Open
Publications
78K
Total
Citations
5.8M
Open Access
Percentage
54%
Total
Publications
145K
Total Open
Publications
78K
Total
Citations
5.8M
Breakdown
Publisher Open
13%
Both
21%
Other Platform Open
19%
Closed
47%
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 25%
13K
Hybrid 28%
14K
No Guarantees 47%
23K
Other Platform Open
Institution 65%
38K
Preprint 31%
18K
Other Internet 30%
17K
Domain 9%
5.3K
Public 8%
4.6K
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
arXiv | Preprint | 20K |
nasa.gov OAI-PMH Repository | Institution | 14K |
California Institute of Technology - CaltechAUTHORS | Institution | 6.2K |
DOI | Other Internet | 5.6K |
PubMed Central | Domain | 5.3K |
Le Centre pour la Communication Scientifique Directe - HAL - TYPE ART | Other Internet | 4K |
Semantic Scholar | Public | 3.2K |
CiteSeer X | Other Internet | 3.1K |
Europe PMC | Domain | 2.8K |
U.S. Department of Energy Office of Scientific and Technical Information - OSTI OAI | Institution | 2.6K |
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