Open Access statistics for Bulgaria, covering academic research published from 2000 to 2024. Read More.
Open Access Percentage
53%
Total
Publications
127K
Total Open
Publications
67K
Total
Citations
2M
Open Access
Percentage
53%
Total
Publications
127K
Total Open
Publications
67K
Total
Citations
2M
Breakdown
Publisher Open
33%
Both
15%
Other Platform Open
4%
Closed
48%
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 46%
27K
Hybrid 25%
15K
No Guarantees 29%
18K
Other Platform Open
Institution 45%
11K
Domain 35%
8.6K
Other Internet 30%
7.4K
Preprint 17%
4.3K
Public 5%
1.3K
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 8.6K |
DOI | Other Internet | 5.4K |
arXiv | Preprint | 4K |
U.S. Department of Energy Office of Scientific and Technical Information - OSTI OAI | Institution | 2.6K |
Unknown Repository | Other Internet | 1.8K |
Le Centre pour la Communication Scientifique Directe - HAL - Diderot | Institution | 1.4K |
ETH Zurich - Repository for Publications and Research Data | Institution | 1.1K |
marmara.edu.tr OAI-PMH Repository | Institution | 1.1K |
European Organization for Nuclear Research - CERN Document Server | Institution | 959 |
Spanish National Research Council (CSIC - DIGITAL.CSIC) | Institution | 886 |
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