Réunion vs Sao Tome and Principe: Protected area coverage of marine key biodiversity areas

Réunion
90.0%
in 2025
Sao Tome and Principe
92.3%
in 2025
Réunion rank
21st
Sao Tome and Principe rank
18th

Protected area coverage of marine key biodiversity areas over time

  • Réunion
  • Sao Tome and Principe
020406080100200020122025

How they compare

Sao Tome and Principe currently reports 92.3% against 90.0% in Réunion, a difference of 2.3%.

The two have swapped places 1 time across 26 shared years of data; in 2000 it was Réunion ahead.

Réunion ranks 21st and Sao Tome and Principe ranks 18th of 190 countries.

Sao Tome and Principe has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade Réunion Sao Tome and Principe Difference Ahead
2000s 28.7% 36.9% 8.2% Sao Tome and Principe
2010s 90.0% 92.3% 2.4% Sao Tome and Principe
2020s 90.0% 92.3% 2.4% Sao Tome and Principe

Averages of every year both report within each decade.

Frequently asked questions

Which has higher protected area coverage of marine key biodiversity areas, Réunion or Sao Tome and Principe?
Sao Tome and Principe, at 92.3% against 90.0% in Réunion as of 2025.
What is the difference in protected area coverage of marine key biodiversity areas between Réunion and Sao Tome and Principe?
2.3%, with Sao Tome and Principe ahead.
How many years of comparable data are there for Réunion and Sao Tome and Principe?
26 years are reported by both, from 2000 to 2025.
How do Réunion and Sao Tome and Principe rank globally for protected area coverage of marine key biodiversity areas?
Réunion ranks 21st and Sao Tome and Principe ranks 18th of 190 countries.
Where does this data come from?
BirdLife International, IUCN and UNEP-WCMC – processed by Our World in Data, published as Protected area coverage of marine key biodiversity areas. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Réunion vs Sao Tome and Principe: Protected area coverage of marine key biodiversity areas. Statizoid, drawing on BirdLife International, IUCN and UNEP-WCMC – processed by Our World in Data. Retrieved 07 September 2026, from https://environment.statizoid.com/compare/protected-area-coverage-of-marine-key-biodiversity-areas/reunion/sao-tome-and-principe/

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About this data

Indicator
Protected area coverage of marine key biodiversity areas
Unit
%
Source
BirdLife International, IUCN and UNEP-WCMC – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
190 places, 4,940 data points, 2000–2025
Last refreshed

Average proportion of Marine Key Biodiversity Areas (KBAs) covered by protected areas (%).