
Open Access statistics for National and Kapodistrian University of Athens, Greece, covering academic research published from 2000 to 2024. Read More.
Open Access Percentage
49%
Total 
 Publications
93K
Total Open 
 Publications
46K
Total 
 Citations
2.8M
Open Access 
 Percentage
49%
Total 
 Publications
93K
Total Open 
 Publications
46K
Total 
 Citations
2.8M
Breakdown
Publisher Open
17%
Both
25%
Other Platform Open
6%
Closed
52%
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 26%
10K
No Guarantees 27%
10K
Other Platform Open
Domain 52%
16K
Institution 36%
11K
Other Internet 33%
10K
Preprint 12%
3.7K
Public 2%
666
Other Platform Locations
Name  | Platform Type  | Publications  | 
|---|---|---|
PubMed Central  | Domain  | 16K | 
DOI  | Other Internet  | 8.6K | 
U.S. Department of Energy Office of Scientific and Technical Information - OSTI OAI  | Institution  | 5.6K | 
arXiv  | Preprint  | 3.4K | 
DANS - Data Archiving and Networked Services  | Institution  | 2K | 
Unknown Repository  | Other Internet  | 1.7K | 
European Organization for Nuclear Research - CERN Document Server  | Institution  | 1.5K | 
Le Centre pour la Communication Scientifique Directe - HAL - Diderot  | Institution  | 1.5K | 
Spanish National Research Council (CSIC - DIGITAL.CSIC)  | Institution  | 1.3K | 
Belarusian State University - BSU Digital Library  | Institution  | 1.3K |