
Open Access statistics for National Center for Biotechnology Information, United States, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
79%
Total
Publications
4.8K
Total Open
Publications
3.8K
Total
Citations
841K
Open Access
Percentage
79%
Total
Publications
4.8K
Total Open
Publications
3.8K
Total
Citations
841K
Breakdown
Publisher Open
12%
Both
50%
Other Platform Open
17%
Closed
21%
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 66%
2K
Hybrid 15%
443
No Guarantees 19%
569
Other Platform Open
Domain 83%
2.7K
Institution 40%
1.3K
Preprint 13%
412
Other Internet 8%
272
Public 4%
139
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 2.7K |
doaj.org OAI-PMH Repository | Institution | 720 |
bioRxiv | Preprint | 296 |
DOI | Other Internet | 254 |
Europe PMC | Domain | 129 |
Figshare | Public | 123 |
Office of Scientific and Technical Information | Institution | 121 |
Le Centre pour la Communication Scientifique Directe - HAL - Diderot | Institution | 99 |
Royal Netherlands Academy of Arts and Sciences | Institution | 75 |
California Digital Library | Institution | 74 |