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
40%
Total
Publications
398
Total Open
Publications
161
Total
Citations
12K
Open Access
Percentage
40%
Total
Publications
398
Total Open
Publications
161
Total
Citations
12K
Breakdown
Publisher Open
11%
Both
15%
Other Platform Open
15%
Closed
59%
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 36%
37
Hybrid 35%
35
No Guarantees 29%
29
Other Platform Open
Domain 86%
101
Institution 11%
13
Other Internet 8%
10
Preprint 5%
6
Public 4%
5
Other Platform Locations
Name | Platform Type | Publications |
---|---|---|
PubMed Central | Domain | 100 |
Europe PMC | Domain | 57 |
DOI | Other Internet | 7 |
Semantic Scholar | Public | 5 |
Unknown Repository | Other Internet | 3 |
Singapore Management University - Singapore Management University Institutional Knowledge (InK) | Institution | 3 |
University of Southern Denmark - University of Southern Denmark Research Portal | Institution | 2 |
The University of Arizona - UA Campus Repository | Institution | 2 |
OSF Preprints - EarthArXiv | Preprint | 2 |
arXiv | Preprint | 2 |