Change in total mangrove area in American Samoa

American Samoa: Change in total mangrove area was -1.7% in 2020. ▼ Falling

Latest (2020)
-1.7%
Change on year
down 71.4%
World rank
60th
of 116 countries
All-time high
-0.4%
in 2007
All-time low
-1.7%
in 2020
Years of data
10
2007–2020

Change in total mangrove area in American Samoa, 2007–2020

-1.5-1-0.52007201320202007: -0.42 %2008: -0.84 %2009: -1.4 %2010: -1.3 %2015: -0.56 %2016: -0.56 %2017: -0.56 %2018: -0.56 %2019: -0.98 %2020: -1.7 %

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.

Change in total mangrove area in American Samoa, year by year

Annual values for Change in total mangrove area in American Samoa, 2007 to 2020.
Year % Change
2007 -0.4%
2008 -0.8% +100.0%
2009 -1.4% +66.7%
2010 -1.3% -10.0%
2015 -0.6% -55.6%
2016 -0.6% -0.0%
2017 -0.6% -0.0%
2018 -0.6% -0.0%
2019 -1.0% +75.0%
2020 -1.7% +71.4%

American Samoa compared with similar countries

  • American Samoa's -1.7% is below the median for high income countries, which is -1.1%, 1.5× the median. (34 countries reporting)
  • American Samoa's -1.7% is below the median for East Asia & Pacific, which is -0.9%, 1.8× the median. (28 countries reporting)

Averages by decade

DecadeAverage LowestHighest 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

  1. 57 United States Virgin Islands -1.2% compare
  2. 58 Malaysia -1.3% compare
  3. 59 Panama -1.4% compare
  4. 61 India -1.8% compare
  5. 62 Madagascar -1.8% compare
  6. 63 Liberia -1.9% compare

See the full ranking of 116 places →

More reference data data for American Samoa

All data for American Samoa →

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.

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Change in total mangrove area in American Samoa. Statizoid, drawing on UN Environment Programme – processed by Our World in Data. Retrieved 23 September 2026, from https://reference.statizoid.com/stat/change-in-total-mangrove-area/american-samoa/

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About this data

Indicator
Change in total mangrove area
Unit
%
Source
UN Environment Programme – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
116 places, 1,160 data points, 2007–2020
Last refreshed

Mangrove total area change (%).