American Systems (United States)

American Systems (United States)

Open Access statistics for American Systems (United States), United States, covering academic research published from 2000 to 2025.

Open Access statistics for American Systems (United States), United States, covering academic research published from 2000 to 2025. Read More.


Open Access Percentage

23%


Total
Publications

191


Total Open
Publications

43


Total
Citations

2.4K


Open Access
Percentage

23%


Total
Publications

191


Total Open
Publications

43


Total
Citations

2.4K

Website

download

Breakdown

11% 6% 4% 79%

Publisher Open

11%

Both

6%

Other Platform Open

4%

Closed

79%

Percentage of Open Access over time

0%10%20%30%40%50%60%70%80%90%100%
20002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025

Publisher Open

Both

Other Platform Open

Closed

Volume of Open Access over time

05101520253035Total Publications
20002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025

Open

Closed

Publisher Open

16%OA Journal

OA Journal 16%

5

Hybrid 47%

15

No Guarantees 37%

12

Other Platform Open

Institution 67%

12

Domain 33%

6

Other Internet 11%

2

Preprint 6%

1

Public 0%

0

Other Platform Locations

Name

Platform Type

Publications

PubMed Central
Domain
6
Office of Scientific and Technical Information
Institution
6
doaj.org OAI-PMH Repository
Institution
5
Unknown Repository
Other Internet
1
University of Michigan
Institution
1
National Aeronautics and Space Administration
Institution
1
KU Leuven
Institution
1
Hospitais da Universidade de Coimbra
Institution
1
DOI
Other Internet
1
bioRxiv
Preprint
1
1 / 1

Data updated 18 June 2026

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