University of Cologne

The University of Cologne is a university in Cologne, Germany. It was established in 1388. It closed in 1798 before being re-established in 1919. It is now one of the largest universities in Germany with around 45,187 students. Derived from Wikipedia licensed CC-BY-SA.

Open Access statistics for University of Cologne, Germany, covering academic research published from 2000 to 2024. Read More.

Open Access Percentage

48%

Total
Publications

77K

Total Open
Publications

37K

Total
Citations

2.6M

Open Access
Percentage

48%

Total
Publications

77K

Total Open
Publications

37K

Total
Citations

2.6M

Wikipedia

Website

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Breakdown

Publisher Open

16%

Both

22%

Other Platform Open

Closed

54%

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 43%

12K

Hybrid 28%

7.8K

No Guarantees 29%

8.3K

Other Platform Open

Domain 48%

11K

Institution 39%

9.2K

Other Internet 21%

Preprint 19%

4.6K

Public 3%

657

Other Platform Locations

Name	Platform Type	Publications
PubMed Central	Domain	11K
arXiv	Preprint	4.1K
DOI	Other Internet	3.9K
DANS - Data Archiving and Networked Services	Institution	2K
Le Centre pour la Communication Scientifique Directe - HAL - Diderot	Institution	1.4K
Unknown Repository	Other Internet	1.1K
Europe PMC	Domain	787
U.S. Department of Energy Office of Scientific and Technical Information - OSTI OAI	Institution	608
Elsevier - Scopus	Institution	558
ZB MED - Informationszentrum Lebenswissenschaften	Institution	549

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Data updated 18 August 2025