
Open Access statistics for Leiden University, Netherlands, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
66%
Total
Publications
81K
Total Open
Publications
53K
Total
Citations
3.7M
Open Access
Percentage
66%
Total
Publications
81K
Total Open
Publications
53K
Total
Citations
3.7M
Breakdown
Publisher Open
11%
Both
41%
Other Platform Open
14%
Closed
34%
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%
19K
Hybrid 31%
13K
No Guarantees 23%
9.7K
Other Platform Open
Institution 81%
36K
Preprint 27%
12K
Domain 25%
11K
Other Internet 15%
6.5K
Public 3%
1.4K
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
Royal Netherlands Academy of Arts and Sciences | Institution | 20K |
Leiden University | Institution | 15K |
PubMed Central | Domain | 11K |
arXiv | Preprint | 11K |
doaj.org OAI-PMH Repository | Institution | 6.3K |
University of Groningen | Institution | 4.9K |
DOI | Other Internet | 4.2K |
University of Amsterdam | Institution | 3.6K |
Unknown Repository | Other Internet | 3.3K |
Vrije Universiteit Amsterdam | Institution | 2.8K |