Saint Helena vs Samoa: Protected area coverage of marine key biodiversity areas
Saint Helena
54.8%
in 2025
Samoa
54.1%
in 2025
Saint Helena rank
75th
Samoa rank
78th
Protected area coverage of marine key biodiversity areas over time
- Saint Helena
- Samoa
How they compare
Saint Helena currently reports 54.8% against 54.1% in Samoa, a difference of 0.7%.
The two have swapped places 1 time across 26 shared years of data; in 2000 it was Samoa ahead.
Saint Helena ranks 75th and Samoa ranks 78th of 190 countries.
Across the 3 decades both report, Saint Helena averaged higher in 1 and Samoa in 2.
Head to head by decade
| Decade | Saint Helena | Samoa | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 20.0% | 54.1% | 34.1% | Samoa |
| 2010s | 39.9% | 54.1% | 14.2% | Samoa |
| 2020s | 54.8% | 54.1% | 0.7% | 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, Saint Helena or Samoa?
- Saint Helena, at 54.8% against 54.1% in Samoa as of 2025.
- What is the difference in protected area coverage of marine key biodiversity areas between Saint Helena and Samoa?
- 0.7%, with Saint Helena ahead.
- How many years of comparable data are there for Saint Helena and Samoa?
- 26 years are reported by both, from 2000 to 2025.
- How do Saint Helena and Samoa rank globally for protected area coverage of marine key biodiversity areas?
- Saint Helena ranks 75th and Samoa ranks 78th of 190 countries.
- Where does this data come from?
- BirdLife International, IUCN and UNEP-WCMC β 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 (%).