Open Access statistics for Iowa Policy Project, United States, covering academic research published from 2000 to 2024.
Open Access statistics for Iowa Policy Project, United States, covering academic research published from 2000 to 2024. Read More.
Open Access Percentage
37%
Total
Publications
398
Total Open
Publications
149
Total
Citations
12K
Open Access
Percentage
37%
Total
Publications
398
Total Open
Publications
149
Total
Citations
12K
Breakdown
Publisher Open
11%
Both
13%
Other Platform Open
13%
Closed
63%
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 52%
50
Hybrid 20%
19
No Guarantees 28%
27
Other Platform Open
Domain 72%
76
Other Internet 20%
21
Institution 13%
14
Preprint 2%
2
Public 1%
1
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 76 |
DOI | Other Internet | 22 |
Europe PMC | Domain | 4 |
Singapore Management University | Institution | 2 |
Office of Scientific and Technical Information | Institution | 2 |
Harvard University | Institution | 2 |
Belarussian State Pedagogical University Named After Maxim Tank | Institution | 2 |
aecid.es OAI-PMH Repository | Institution | 2 |
Virginia Tech | Institution | 1 |
Université Libre de Bruxelles | Institution | 1 |