American Samoa vs British Indian Ocean Territory: Red List Index

American Samoa
0.8081 index
in 2025
British Indian Ocean Territory
0.8032 index
in 2025
American Samoa rank
177th
British Indian Ocean Territory rank
179th

Red List Index over time

  • American Samoa
  • British Indian Ocean Territory
00.20.40.60.81198020022025

How they compare

American Samoa currently reports 0.8081 index against 0.8032 index in British Indian Ocean Territory, a difference of 0.0049 index.

The two have swapped places 1 time across 46 shared years of data; in 1980 it was British Indian Ocean Territory ahead.

American Samoa ranks 177th and British Indian Ocean Territory ranks 179th of 261 countries.

Across the 5 decades both report, American Samoa averaged higher in 1 and British Indian Ocean Territory in 4.

Head to head by decade

Decade American Samoa British Indian Ocean Territory Difference Ahead
1980s 0.8378 index 0.9089 index 0.0711 index British Indian Ocean Territory
1990s 0.8444 index 0.9074 index 0.0631 index British Indian Ocean Territory
2000s 0.8427 index 0.8777 index 0.035 index British Indian Ocean Territory
2010s 0.8278 index 0.8417 index 0.0139 index British Indian Ocean Territory
2020s 0.8126 index 0.8121 index 0.0005 index American Samoa

Averages of every year both report within each decade.

Frequently asked questions

Which has higher red list index, American Samoa or British Indian Ocean Territory?
American Samoa, at 0.8081 index against 0.8032 index in British Indian Ocean Territory as of 2025.
What is the difference in red list index between American Samoa and British Indian Ocean Territory?
0.0049 index, with American Samoa ahead.
How many years of comparable data are there for American Samoa and British Indian Ocean Territory?
46 years are reported by both, from 1980 to 2025.
How do American Samoa and British Indian Ocean Territory rank globally for red list index?
American Samoa ranks 177th and British Indian Ocean Territory ranks 179th of 261 countries.
Where does this data come from?
United Nations Statistics Division, SDG Global Database, published as Red List Index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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American Samoa vs British Indian Ocean Territory: Red List Index. Statizoid, drawing on United Nations Statistics Division, SDG Global Database. Retrieved 30 September 2026, from https://development-goals.statizoid.com/compare/red-list-index-2/american-samoa/british-indian-ocean-territory/

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About this data

Indicator
Red List Index
Unit
index
Source
United Nations Statistics Division, SDG Global Database
Licence
UN SDG Global Database (open, attribution requested)
Coverage
284 places, 13,012 data points, 1980–2025
Last refreshed