Share of marine territorial waters that are protected in American Samoa
American Samoa: Share of marine territorial waters that are protected was 8.7% in 2025. ▼ Falling
Share of marine territorial waters that are protected in American Samoa, 2013–2025
Source: Protected Planet WDPA and WD-OECM data, UNEP-WCMC and IUCN, via World Bank (2026) – processed by Our World in Data. Measured in % of territorial waters.
Analysis
American Samoa recorded 8.7% for share of marine territorial waters that are protected in 2025. That is the highest value across all 13 years on record.
The figure is unchanged over ten years.
Over the whole period, share of marine territorial waters that are protected in American Samoa peaked at 8.7% in 2014 and was at its lowest, 0.0%, in 2020.
American Samoa ranks 54th of 174 countries on this measure, in the middle of the range.
The long-run direction has been consistently falling across the 13 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 8.7% | 8.6% | 8.7% | 7 |
| 2020s | 7.2% | 0.0% | 8.7% | 6 |
Countries ranked near American Samoa
More reference data data for American Samoa
- Temperature anomalies by month 0.0944 °C (2026)
- Summer temperature anomalies -0.1017 °C (2026)
- Spring temperature anomalies 0.1942 °C (2026)
- Winter temperature anomalies 0.2171 °C (2025)
- Annual precipitation 2,994 millimeters (2025)
- Autumn temperature anomalies -0.3295 °C (2025)
- Precipitation anomalies 406.76 millimeters (2025)
- Share of men who are obese 70.6% (2024)
- Share of adults who are obese 75.8% (2024)
- Share of adult men overweight or obese vs. daily supply of calories 89.7% (2024)
Frequently asked questions
- What is share of marine territorial waters that are protected in American Samoa?
- Share of marine territorial waters that are protected in American Samoa was 8.7% in 2025, according to Protected Planet WDPA and WD-OECM data, UNEP-WCMC and IUCN, via World Bank (2026) – processed by Our World in Data.
- What is the highest share of marine territorial waters that are protected recorded in American Samoa?
- The highest recorded value was 8.7% in 2014.
- What is the lowest share of marine territorial waters that are protected recorded in American Samoa?
- The lowest recorded value was 0.0% in 2020.
- How does American Samoa rank for share of marine territorial waters that are protected?
- American Samoa ranks 54th out of 174 countries with data for 2025.
- Is share of marine territorial waters that are protected rising or falling in American Samoa?
- Over the last ten years it is unchanged. The long-run trend across the full record is falling.
- Where does this American Samoa data come from?
- The figures 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 part of Share of marine territorial waters that are protected. Statizoid updates them automatically from the source API.
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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.