Open Access statistics for National Aeronautics and Space Administration, United States, covering academic research published from 2000 to 2022. Read More.
Open Access Percentage
54%
Total
Publications
120K
Total Open
Publications
65K
Total
Citations
4.1M
Open Access
Percentage
54%
Total
Publications
120K
Total Open
Publications
65K
Total
Citations
4.1M
Breakdown
Publisher Open
12%
Both
21%
Other Platform Open
21%
Closed
46%
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%
9K
Hybrid 21%
8.4K
No Guarantees 56%
22K
Other Platform Open
Institution 71%
36K
Preprint 30%
15K
Other Internet 23%
11K
Domain 9%
4.7K
Public 8%
4K
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
nasa.gov OAI-PMH Repository | Institution | 16K |
arXiv | Preprint | 15K |
California Institute of Technology - CaltechAUTHORS | Institution | 5.6K |
PubMed Central | Domain | 4.7K |
CiteSeer X | Other Internet | 3.5K |
Europe PMC | Domain | 3.1K |
Semantic Scholar | Public | 2.9K |
Le Centre pour la Communication Scientifique Directe - HAL - Diderot | Institution | 2.5K |
DOI | Other Internet | 2.3K |
NASA - NASA Technical Reports Server | Institution | 2K |
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