United States
The United States of America, commonly known as the United States or America, is a transcontinental country located primarily in North America. It consists of 50 states, a federal district, five major unincorporated territories, nine minor outlying islands, and 326 Indian reservations. Derived from Wikipedia licensed CC-BY-SA.
Open Access statistics for United States, covering academic research published from 2000 to 2021. Read More.
Open Access Percentage
41%
Total
Publications
12M
Total Open
Publications
4.7M
Total
Citations
357M
Open Access
Percentage
41%
Total
Publications
12M
Total Open
Publications
4.7M
Total
Citations
357M
Breakdown
Publisher Open
10%
Both
16%
Other Platform Open
15%
Closed
59%
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 34%
998K
Hybrid 27%
805K
No Guarantees 39%
1.2M
Other Platform Open
Domain 65%
2.3M
Institution 32%
1.1M
Preprint 15%
533K
Other Internet 10%
334K
Public 9%
324K
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 2.3M |
Europe PMC | Domain | 1.9M |
arXiv | Preprint | 372K |
Semantic Scholar | Public | 291K |
CiteSeer X | Other Internet | 211K |
U.S. Department of Energy Office of Scientific and Technical Information - OSTI OAI | Institution | 134K |
bioRxiv | Preprint | 59K |
University of California - eScholarship University of California | Institution | 56K |
California Digital Library - eScholarship | Institution | 55K |
DOI | Other Internet | 53K |