Open Access statistics for NTT (Germany), Germany, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
21%
Total
Publications
849
Total Open
Publications
176
Total
Citations
29K
Open Access
Percentage
21%
Total
Publications
849
Total Open
Publications
176
Total
Citations
29K
Breakdown
Publisher Open
9%
Both
2%
Other Platform Open
8%
Closed
81%
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 31%
30
Hybrid 12%
11
No Guarantees 57%
55
Other Platform Open
Institution 77%
68
Preprint 10%
9
Public 10%
9
Other Internet 7%
6
Domain 6%
5
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
Technical University of Munich | Institution | 18 |
doaj.org OAI-PMH Repository | Institution | 17 |
epfl.ch OAI-PMH Repository | Institution | 10 |
Zenodo | Public | 9 |
arXiv | Preprint | 8 |
DOI | Other Internet | 7 |
PubMed Central | Domain | 5 |
KU Leuven | Institution | 5 |
tind.io OAI-PMH Repository | Institution | 4 |
Le Centre pour la Communication Scientifique Directe - HAL - Diderot | Institution | 4 |
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