
Open Access statistics for United States Department of Homeland Security, United States, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
55%
Total
Publications
3.9K
Total Open
Publications
2.2K
Total
Citations
51K
Open Access
Percentage
55%
Total
Publications
3.9K
Total Open
Publications
2.2K
Total
Citations
51K
Breakdown
Publisher Open
31%
Both
17%
Other Platform Open
6%
Closed
46%
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%
559
Hybrid 34%
606
No Guarantees 35%
631
Other Platform Open
Institution 67%
590
Domain 29%
258
Other Internet 15%
129
Preprint 4%
38
Public 4%
31
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
doaj.org OAI-PMH Repository | Institution | 299 |
PubMed Central | Domain | 262 |
LA Referencia | Institution | 133 |
Office of Scientific and Technical Information | Institution | 81 |
DOI | Other Internet | 79 |
Unknown Repository | Other Internet | 62 |
aecid.es OAI-PMH Repository | Institution | 48 |
Figshare | Public | 23 |
arXiv | Preprint | 14 |
Hospitais da Universidade de Coimbra | Institution | 12 |