British Indian Ocean Territory vs United Republic of Tanzania: Red List Index
British Indian Ocean Territory
0.8032 index
in 2025
United Republic of Tanzania
0.8025 index
in 2025
British Indian Ocean Territory rank
178th
United Republic of Tanzania rank
179th
Red List Index over time
- British Indian Ocean Territory
- United Republic of Tanzania
How they compare
British Indian Ocean Territory currently reports 0.8032 index against 0.8025 index in United Republic of Tanzania, a difference of 0.0007 index.
Across all 46 years both countries report, British Indian Ocean Territory has been ahead every year.
British Indian Ocean Territory ranks 178th and United Republic of Tanzania ranks 179th of 260 countries.
British Indian Ocean Territory has averaged higher in every one of the 5 decades both report.
Head to head by decade
| Decade | British Indian Ocean Territory | United Republic of Tanzania | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 0.9089 index | 0.8498 index | 0.0592 index | British Indian Ocean Territory |
| 1990s | 0.9074 index | 0.8471 index | 0.0603 index | British Indian Ocean Territory |
| 2000s | 0.8777 index | 0.8413 index | 0.0364 index | British Indian Ocean Territory |
| 2010s | 0.8417 index | 0.8252 index | 0.0165 index | British Indian Ocean Territory |
| 2020s | 0.8121 index | 0.808 index | 0.0041 index | British Indian Ocean Territory |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher red list index, British Indian Ocean Territory or United Republic of Tanzania?
- British Indian Ocean Territory, at 0.8032 index against 0.8025 index in United Republic of Tanzania as of 2025.
- What is the difference in red list index between British Indian Ocean Territory and United Republic of Tanzania?
- 0.0007 index, with British Indian Ocean Territory ahead.
- How many years of comparable data are there for British Indian Ocean Territory and United Republic of Tanzania?
- 46 years are reported by both, from 1980 to 2025.
- How do British Indian Ocean Territory and United Republic of Tanzania rank globally for red list index?
- British Indian Ocean Territory ranks 178th and United Republic of Tanzania ranks 179th of 260 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.