Mayotte vs Saint Helena, Ascension and Tristan da Cunha: Protected area coverage of marine key biodiversity areas

Mayotte
91.56
in 2024
Saint Helena, Ascension and Tristan da Cunha
54.81
in 2024
Mayotte rank
1st
Saint Helena, Ascension and Tristan da Cunha rank
2nd

Protected area coverage of marine key biodiversity areas over time

  • Mayotte
  • Saint Helena, Ascension and Tristan da Cunha
020406080100200020122024

How they compare

Mayotte currently reports 91.56 against 54.81 in Saint Helena, Ascension and Tristan da Cunha, a difference of 36.75.

That makes Mayotte's figure about 1.7 times Saint Helena, Ascension and Tristan da Cunha's.

The two have swapped places 1 time across 25 shared years of data; in 2000 it was Saint Helena, Ascension and Tristan da Cunha ahead.

Mayotte ranks 1st and Saint Helena, Ascension and Tristan da Cunha ranks 2nd of 6 countries.

Mayotte has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade Mayotte Saint Helena, Ascension and Tristan da Cunha Difference Ahead
2000s 46.21 20 26.21 Mayotte
2010s 91.08 39.92 51.16 Mayotte
2020s 91.56 54.81 36.75 Mayotte

Averages of every year both report within each decade.

Frequently asked questions

Which has higher protected area coverage of marine key biodiversity areas, Mayotte or Saint Helena, Ascension and Tristan da Cunha?
Mayotte, at 91.56 against 54.81 in Saint Helena, Ascension and Tristan da Cunha as of 2024.
What is the difference in protected area coverage of marine key biodiversity areas between Mayotte and Saint Helena, Ascension and Tristan da Cunha?
36.75, with Mayotte ahead.
How many years of comparable data are there for Mayotte and Saint Helena, Ascension and Tristan da Cunha?
25 years are reported by both, from 2000 to 2024.
How do Mayotte and Saint Helena, Ascension and Tristan da Cunha rank globally for protected area coverage of marine key biodiversity areas?
Mayotte ranks 1st and Saint Helena, Ascension and Tristan da Cunha ranks 2nd of 6 countries.
Where does this data come from?
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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Mayotte vs Saint Helena, Ascension and Tristan da Cunha: Protected area coverage of marine key biodiversity areas. Statizoid, drawing on Our World in Data. Retrieved 26 August 2026, from https://environment.statizoid.com/compare/protected-area-coverage-of-marine-key-biodiversity-areas/mayotte/saint-helena/

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About this data

Indicator
Protected area coverage of marine key biodiversity areas
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
188 places, 4,700 data points, 2000–2024
Last refreshed