Open Access statistics for National Center for Health Research, United States, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
61%
Total
Publications
197
Total Open
Publications
121
Total
Citations
4.9K
Open Access
Percentage
61%
Total
Publications
197
Total Open
Publications
121
Total
Citations
4.9K
Breakdown
Publisher Open
26%
Both
19%
Other Platform Open
14%
Closed
41%
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 28%
23
Hybrid 27%
22
No Guarantees 45%
37
Other Platform Open
Domain 62%
38
Institution 34%
21
Preprint 18%
11
Other Internet 5%
3
Public 3%
2
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 39 |
doaj.org OAI-PMH Repository | Institution | 10 |
Research Square | Preprint | 9 |
Vrije Universiteit Amsterdam | Institution | 5 |
DOI | Other Internet | 3 |
University of Birmingham | Institution | 2 |
helsinki.fi OAI-PMH Repository | Institution | 2 |
Figshare | Public | 2 |
Edinburgh Napier University | Institution | 2 |
Unknown Repository | Other Internet | 1 |
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