Tonga

Tonga, officially the Kingdom of Tonga, is an island country in Polynesia, part of Oceania. The country has 171 islands - of which 45 are inhabited. Its total surface area is about 750 km2, scattered over 700,000 km2 in the southern Pacific Ocean. Derived from Wikipedia licensed CC-BY-SA.

Open Access statistics for Tonga, covering academic research published from 2000 to 2024. Read More.

Open Access Percentage

58%

Total
Publications

322

Total Open
Publications

186

Total
Citations

7.1K

Open Access
Percentage

58%

Total
Publications

322

Total Open
Publications

186

Total
Citations

7.1K

Wikipedia

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Breakdown

Publisher Open

18%

Both

34%

Other Platform Open

Closed

42%

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 51%

Hybrid 30%

No Guarantees 19%

Other Platform Open

Domain 53%

Institution 41%

Preprint 12%

Public 10%

Other Internet 10%

Other Platform Locations

Name	Platform Type	Publications
PubMed Central	Domain	68
Europe PMC	Domain	19
The University of Auckland, https://www.auckland.ac.nz/, ROR ID https://ror.org/03b94tp07 - University of Auckland Research Repository - ResearchSpace	Institution	9
Research Square	Preprint	9
Semantic Scholar	Public	8
James Cook University - ResearchOnline at James Cook University	Institution	8
St George's University of London - St George's Online Research Archive	Institution	6
Queen's University Belfast - Research Portal	Institution	5
jcu.edu.au OAI-PMH Repository	Institution	5
Figshare	Public	5

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Data updated 7 April 2025