American Samoa vs Portugal: Protected area coverage of marine key biodiversity areas
American Samoa
69.2%
in 2025
Portugal
70.9%
in 2025
American Samoa rank
51st
Portugal rank
49th
Protected area coverage of marine key biodiversity areas over time
- American Samoa
- Portugal
How they compare
Portugal currently reports 70.9% against 69.2% in American Samoa, a difference of 1.7%.
The two have swapped places 1 time across 26 shared years of data; in 2000 it was American Samoa ahead.
American Samoa ranks 51st and Portugal ranks 49th of 190 countries.
Across the 3 decades both report, American Samoa averaged higher in 2 and Portugal in 1.
Head to head by decade
| Decade | American Samoa | Portugal | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 69.2% | 42.8% | 26.4% | American Samoa |
| 2010s | 69.2% | 68.3% | 0.9% | American Samoa |
| 2020s | 69.2% | 70.8% | 1.6% | Portugal |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher protected area coverage of marine key biodiversity areas, American Samoa or Portugal?
- Portugal, at 70.9% against 69.2% in American Samoa as of 2025.
- What is the difference in protected area coverage of marine key biodiversity areas between American Samoa and Portugal?
- 1.7%, with Portugal ahead.
- How many years of comparable data are there for American Samoa and Portugal?
- 26 years are reported by both, from 2000 to 2025.
- How do American Samoa and Portugal rank globally for protected area coverage of marine key biodiversity areas?
- American Samoa ranks 51st and Portugal ranks 49th 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 (%).