Open Access statistics for Iowa Policy Project, United States, covering academic research published from 2000 to 2023.
Open Access statistics for Iowa Policy Project, United States, covering academic research published from 2000 to 2023. Read More.
Open Access Percentage
39%
Total
Publications
360
Total Open
Publications
142
Total
Citations
9.2K
Open Access
Percentage
39%
Total
Publications
360
Total Open
Publications
142
Total
Citations
9.2K
Breakdown
Publisher Open
9%
Both
15%
Other Platform Open
15%
Closed
61%
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 38%
33
Hybrid 26%
23
No Guarantees 36%
31
Other Platform Open
Domain 88%
96
Institution 10%
11
Other Internet 7%
8
Preprint 5%
5
Public 4%
4
Other Platform Locations
Name | Platform Type | Publications |
---|---|---|
PubMed Central | Domain | 96 |
Europe PMC | Domain | 53 |
DOI | Other Internet | 5 |
Semantic Scholar | Public | 4 |
Unknown Repository | Other Internet | 2 |
University of Southern Denmark - University of Southern Denmark Research Portal | Institution | 2 |
Singapore Management University - Singapore Management University Institutional Knowledge (InK) | Institution | 2 |
OSF Preprints - PsyArXiv | Preprint | 2 |
arXiv | Preprint | 2 |
World Bank Group | Preprint | 1 |