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
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.