American Samoa vs Guinea-Bissau: Share of marine territorial waters that are protected
American Samoa
8.7%
in 2025
Guinea-Bissau
9.1%
in 2025
American Samoa rank
54th
Guinea-Bissau rank
53rd
Share of marine territorial waters that are protected over time
- American Samoa
- Guinea-Bissau
How they compare
Guinea-Bissau currently reports 9.1% against 8.7% in American Samoa, a difference of 0.4%.
The two have swapped places 1 time across 13 shared years of data; in 2013 it was American Samoa ahead.
American Samoa ranks 54th and Guinea-Bissau ranks 53rd of 174 countries.
Guinea-Bissau has averaged higher in every one of the 2 decades both report.
Head to head by decade
| Decade | American Samoa | Guinea-Bissau | Difference | Ahead |
|---|---|---|---|---|
| 2010s | 8.7% | 9.6% | 0.9% | Guinea-Bissau |
| 2020s | 7.2% | 9.0% | 1.8% | Guinea-Bissau |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of marine territorial waters that are protected, American Samoa or Guinea-Bissau?
- Guinea-Bissau, at 9.1% against 8.7% in American Samoa as of 2025.
- What is the difference in share of marine territorial waters that are protected between American Samoa and Guinea-Bissau?
- 0.4%, with Guinea-Bissau ahead.
- How many years of comparable data are there for American Samoa and Guinea-Bissau?
- 13 years are reported by both, from 2013 to 2025.
- How do American Samoa and Guinea-Bissau rank globally for share of marine territorial waters that are protected?
- American Samoa ranks 54th and Guinea-Bissau ranks 53rd of 174 countries.
- Where does this data come from?
- Protected Planet WDPA and WD-OECM data, UNEP-WCMC and IUCN, via World Bank (2026) – processed by Our World in Data, published as Share of marine territorial waters that are protected. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Marine protected areas are regions of intertidal or sub-tidal land and associated water, flora and fauna, and cultural and historical features that have been legally or effectively reserved for protection.