Open Access statistics for Purdue University West Lafayette, United States, covering academic research published from 2000 to 2024. Read More.
Open Access Percentage
37%
Total
Publications
138K
Total Open
Publications
51K
Total
Citations
4.9M
Open Access
Percentage
37%
Total
Publications
138K
Total Open
Publications
51K
Total
Citations
4.9M
Breakdown
Publisher Open
13%
Both
13%
Other Platform Open
9%
Closed
65%
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%
18K
Hybrid 18%
6K
No Guarantees 30%
10K
Other Platform Open
Domain 43%
14K
Institution 38%
12K
Other Internet 20%
6.2K
Preprint 20%
6.2K
Public 3%
869
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 13K |
U.S. Department of Energy Office of Scientific and Technical Information - OSTI OAI | Institution | 8.3K |
DOI | Other Internet | 5.8K |
arXiv | Preprint | 5.8K |
ETH Zurich - Repository for Publications and Research Data | Institution | 1.1K |
Spanish National Research Council (CSIC - DIGITAL.CSIC) | Institution | 938 |
marmara.edu.tr OAI-PMH Repository | Institution | 909 |
Le Centre pour la Communication Scientifique Directe - HAL - Diderot | Institution | 865 |
São Paulo State University - UNESP Institutional Repository | Institution | 808 |
European Organization for Nuclear Research - CERN Document Server | Institution | 805 |
1 / 20