University of Sierra Leone

University of Sierra Leone

The University of Sierra Leone is the name of the former unitary public university system in Sierra Leone. Established in February 1827, it is the oldest university in Africa. Derived from Wikipedia licensed CC-BY-SA.

Open Access statistics for University of Sierra Leone, Sierra Leone, covering academic research published from 2000 to 2025. Read More.


Open Access Percentage

83%


Total
Publications

3.6K


Total Open
Publications

3K


Total
Citations

64K


Open Access
Percentage

83%


Total
Publications

3.6K


Total Open
Publications

3K


Total
Citations

64K

Wikipedia

Website

download

Breakdown

29% 42% 12% 17%

Publisher Open

29%

Both

42%

Other Platform Open

12%

Closed

17%

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

050100150200250300350400450500550600Total Publications
20002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025

Open

Closed

Publisher Open

52%OA Journal

OA Journal 52%

1.3K

Hybrid 32%

828

No Guarantees 16%

399

Other Platform Open

Domain 61%

1.2K

Institution 61%

1.2K

Other Internet 18%

353

Preprint 9%

184

Public 4%

80

Other Platform Locations

Name

Platform Type

Publications

PubMed Central
Domain
1.2K
doaj.org OAI-PMH Repository
Institution
887
DOI
Other Internet
259
Unknown Repository
Other Internet
112
Research Square
Preprint
82
medRxiv
Preprint
74
Figshare
Public
71
King's College London
Institution
63
Queen Margaret University
Institution
45
London School of Hygiene & Tropical Medicine
Institution
40
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Data updated 12 August 2026

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