
Open Access statistics for Quality Enhancement Research Initiative, United States, covering academic research published from 2000 to 2024.
Open Access statistics for Quality Enhancement Research Initiative, United States, covering academic research published from 2000 to 2024. Read More.
Open Access Percentage
54%
Total
Publications
1K
Total Open
Publications
542
Total
Citations
49K
Open Access
Percentage
54%
Total
Publications
1K
Total Open
Publications
542
Total
Citations
49K
Breakdown
Publisher Open
17%
Both
25%
Other Platform Open
12%
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 42%
179
Hybrid 14%
57
No Guarantees 44%
185
Other Platform Open
Domain 78%
292
Other Internet 20%
74
Institution 17%
63
Preprint 2%
9
Public 0%
1
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 291 |
DOI | Other Internet | 74 |
iu.edu OAI-PMH Repository | Institution | 27 |
Indiana University | Institution | 19 |
Europe PMC | Domain | 17 |
University of Michigan–Ann Arbor | Institution | 9 |
Harvard University | Institution | 4 |
Belarussian State Pedagogical University Named After Maxim Tank | Institution | 4 |
King's College London | Institution | 3 |
Research Square | Preprint | 2 |