Change in total mangrove area in American Samoa
American Samoa: Change in total mangrove area was -1.7% in 2020. ▼ Falling
Change in total mangrove area in American Samoa, 2007–2020
Source: UN Environment Programme – processed by Our World in Data. Measured in %.
Analysis
American Samoa recorded -1.7% for change in total mangrove area in 2020. That is the lowest value across all 10 years on record.
Compared with earlier readings it is down 71.4% on the previous year and down 33.3% over ten years.
Over the whole period, change in total mangrove area in American Samoa peaked at -0.4% in 2007 and was at its lowest, -1.7%, in 2020.
That places American Samoa 60th out of 116 countries with data for 2020, putting it in the middle of the range.
The long-run direction has been consistently falling across the 10 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | -0.9% | -1.4% | -0.4% | 3 |
| 2010s | -0.7% | -1.3% | -0.6% | 6 |
| 2020s | -1.7% | -1.7% | -1.7% | 1 |
Countries ranked near American Samoa
More reference data data for American Samoa
- Temperature anomalies by month 0.0944 °C (2026)
- Spring temperature anomalies 0.1942 °C (2026)
- Summer temperature anomalies -0.1017 °C (2026)
- Precipitation anomalies 406.76 millimeters (2025)
- Autumn temperature anomalies -0.3295 °C (2025)
- Annual precipitation 2,994 millimeters (2025)
- Winter temperature anomalies 0.2171 °C (2025)
- Share of men and women expected to survive to the age of 65 82.6% (2024)
- Seafood production: wild fish catch vs. aquaculture 15 metric tons (2024)
- Share of men expected to survive to the age of 65 70.2% (2024)
Frequently asked questions
- What is change in total mangrove area in American Samoa?
- Change in total mangrove area in American Samoa was -1.7% in 2020, according to UN Environment Programme – processed by Our World in Data.
- What is the highest change in total mangrove area recorded in American Samoa?
- The highest recorded value was -0.4% in 2007.
- What is the lowest change in total mangrove area recorded in American Samoa?
- The lowest recorded value was -1.7% in 2020.
- How does American Samoa rank for change in total mangrove area?
- American Samoa ranks 60th out of 116 countries with data for 2020.
- Is change in total mangrove area rising or falling in American Samoa?
- Over the last ten years it is down 33.3%. The long-run trend across the full record is falling.
- Where does this American Samoa data come from?
- The figures come from UN Environment Programme – processed by Our World in Data, published as part of Change in total mangrove area. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 10 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Mangrove total area change (%)