Cook Islands vs Saint Helena: Protected area coverage of marine key biodiversity areas
Cook Islands
52.1%
in 2025
Saint Helena
54.8%
in 2025
Cook Islands rank
81st
Saint Helena rank
75th
Protected area coverage of marine key biodiversity areas over time
- Cook Islands
- Saint Helena
How they compare
Saint Helena currently reports 54.8% against 52.1% in Cook Islands, a difference of 2.7%.
That makes Saint Helena's figure about 1.1 times Cook Islands's.
Across all 26 years both countries report, Saint Helena has been ahead every year.
Cook Islands ranks 81st and Saint Helena ranks 75th of 190 countries.
Saint Helena has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Cook Islands | Saint Helena | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 19.9% | 20.0% | 0.1% | Saint Helena |
| 2010s | 29.6% | 39.9% | 10.3% | Saint Helena |
| 2020s | 52.1% | 54.8% | 2.7% | Saint Helena |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher protected area coverage of marine key biodiversity areas, Cook Islands or Saint Helena?
- Saint Helena, at 54.8% against 52.1% in Cook Islands as of 2025.
- What is the difference in protected area coverage of marine key biodiversity areas between Cook Islands and Saint Helena?
- 2.7%, with Saint Helena ahead.
- How many years of comparable data are there for Cook Islands and Saint Helena?
- 26 years are reported by both, from 2000 to 2025.
- How do Cook Islands and Saint Helena rank globally for protected area coverage of marine key biodiversity areas?
- Cook Islands ranks 81st and Saint Helena ranks 75th 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.
Individual pages
About this data
Average proportion of Marine Key Biodiversity Areas (KBAs) covered by protected areas (%).