Open Access statistics for Purdue University West Lafayette, United States, covering academic research published from 2000 to 2024. Read More.
Open Access Percentage
38%
Total
Publications
138K
Total Open
Publications
53K
Total
Citations
4.8M
Open Access
Percentage
38%
Total
Publications
138K
Total Open
Publications
53K
Total
Citations
4.8M
Breakdown
Publisher Open
14%
Both
14%
Other Platform Open
8%
Closed
64%
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 47%
18K
Hybrid 27%
10K
No Guarantees 26%
9.8K
Other Platform Open
Domain 43%
14K
Institution 41%
13K
Preprint 21%
6.6K
Other Internet 19%
6K
Public 3%
974
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 | 8.5K |
arXiv | Preprint | 6.4K |
DOI | Other Internet | 4.8K |
Unknown Repository | Other Internet | 1.1K |
ETH Zurich - Repository for Publications and Research Data | Institution | 1K |
marmara.edu.tr OAI-PMH Repository | Institution | 1K |
Massachusetts Institute of Technology - DSpace@MIT | Institution | 953 |
Spanish National Research Council (CSIC - DIGITAL.CSIC) | Institution | 930 |
Le Centre pour la Communication Scientifique Directe - HAL - Diderot | Institution | 890 |
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