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 53%
18K
Hybrid 18%
6.2K
No Guarantees 29%
10K
Other Platform Open
Domain 43%
14K
Institution 38%
12K
Preprint 20%
6.3K
Other Internet 19%
6K
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 |
arXiv | Preprint | 6.5K |
DOI | Other Internet | 5.7K |
ETH Zurich - Repository for Publications and Research Data | Institution | 1.1K |
Spanish National Research Council (CSIC - DIGITAL.CSIC) | Institution | 940 |
marmara.edu.tr OAI-PMH Repository | Institution | 911 |
Ecole Polytechnique Fédérale de Lausanne - Infoscience | Institution | 879 |
Le Centre pour la Communication Scientifique Directe - HAL - Diderot | Institution | 875 |
São Paulo State University - UNESP Institutional Repository | Institution | 821 |
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