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
68K
Total
Citations
2M
Open Access
Percentage
53%
Total
Publications
127K
Total Open
Publications
68K
Total
Citations
2M
Breakdown
Publisher Open
31%
Both
16%
Other Platform Open
6%
Closed
47%
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 35%
21K
Hybrid 27%
16K
No Guarantees 38%
23K
Other Platform Open
Institution 36%
10K
Domain 36%
10K
Preprint 25%
7K
Public 20%
5.6K
Other Internet 19%
5.2K
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 9.6K |
arXiv | Preprint | 5K |
Europe PMC | Domain | 4.2K |
Semantic Scholar | Public | 4K |
Ghent University - Ghent University Academic Bibliography | Institution | 1.5K |
Zenodo | Public | 1.3K |
Ecole Polytechnique Fédérale de Lausanne - Infoscience | Institution | 1.1K |
DOI | Other Internet | 1K |
Chiba Institute of Technology - Springer Link | Institution | 943 |
RePEc: Research Papers in Economics - RePEc | Preprint | 836 |
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