Red List Index in British Indian Ocean Territory
British Indian Ocean Territory: Red List Index was 0.8 index in 2025. ▼ Falling
Red List Index in British Indian Ocean Territory, 1980–2025
Source: BirdLife International and IUCN – processed by Our World in Data. Measured in index.
Analysis
The most recent figure for red list index in British Indian Ocean Territory is 0.8 index, measured in 2025. That is the lowest value across all 46 years on record.
That represents a change of down 1.2% on the previous year and down 4.8% over ten years.
Over the whole period, red list index in British Indian Ocean Territory peaked at 0.91 index in 1980 and was at its lowest, 0.8 index, in 2025.
That places British Indian Ocean Territory 167th out of 247 countries with data for 2025, putting it in the middle of the range.
The long-run direction has been consistently falling across the 46 years of available data.
Red List Index in British Indian Ocean Territory, year by year
| Year | index | Change |
|---|---|---|
| 1980 | 0.91 index | — |
| 1981 | 0.91 index | +0.0% |
| 1982 | 0.91 index | +0.0% |
| 1983 | 0.91 index | +0.0% |
| 1984 | 0.91 index | +0.0% |
| 1985 | 0.91 index | +0.0% |
| 1986 | 0.91 index | +0.0% |
| 1987 | 0.91 index | +0.0% |
| 1988 | 0.91 index | +0.0% |
| 1989 | 0.91 index | +0.0% |
| 1990 | 0.91 index | +0.0% |
| 1991 | 0.91 index | +0.0% |
| 1992 | 0.91 index | +0.0% |
| 1993 | 0.91 index | +0.0% |
| 1994 | 0.91 index | +0.0% |
| 1995 | 0.91 index | +0.0% |
| 1996 | 0.91 index | +0.0% |
| 1997 | 0.9 index | -1.1% |
| 1998 | 0.9 index | +0.0% |
| 1999 | 0.9 index | +0.0% |
| 2000 | 0.89 index | -1.1% |
| 2001 | 0.89 index | +0.0% |
| 2002 | 0.89 index | +0.0% |
| 2003 | 0.88 index | -1.1% |
| 2004 | 0.88 index | +0.0% |
| 2005 | 0.88 index | +0.0% |
| 2006 | 0.87 index | -1.1% |
| 2007 | 0.87 index | +0.0% |
| 2008 | 0.87 index | +0.0% |
| 2009 | 0.86 index | -1.1% |
| 2010 | 0.86 index | +0.0% |
| 2011 | 0.85 index | -1.2% |
| 2012 | 0.85 index | +0.0% |
| 2013 | 0.85 index | +0.0% |
| 2014 | 0.84 index | -1.2% |
| 2015 | 0.84 index | +0.0% |
| 2016 | 0.84 index | +0.0% |
| 2017 | 0.83 index | -1.2% |
| 2018 | 0.83 index | +0.0% |
| 2019 | 0.83 index | +0.0% |
| 2020 | 0.82 index | -1.2% |
| 2021 | 0.82 index | +0.0% |
| 2022 | 0.81 index | -1.2% |
| 2023 | 0.81 index | +0.0% |
| 2024 | 0.81 index | +0.0% |
| 2025 | 0.8 index | -1.2% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 0.91 index | 0.91 index | 0.91 index | 10 |
| 1990s | 0.907 index | 0.9 index | 0.91 index | 10 |
| 2000s | 0.878 index | 0.86 index | 0.89 index | 10 |
| 2010s | 0.842 index | 0.83 index | 0.86 index | 10 |
| 2020s | 0.8117 index | 0.8 index | 0.82 index | 6 |
Countries ranked near British Indian Ocean Territory
- 167 Cayman Islands 0.8 index compare
- 167 Niue 0.8 index compare
- 167 Spain 0.8 index compare
- 167 Tanzania 0.8 index compare
- 167 Turks and Caicos Islands 0.8 index compare
More reference data data for British Indian Ocean Territory
- Exposure to extreme precipitation — Annual precipitation change -493.91 Millimetres per year (2023)
- Exposure to extreme temperature — Annual temperature change 0.5257 Degrees celsius (2023)
- Member countries of the International Treaty on Plant Genetic Resources for Food and Agriculture 0 number (2025)
- Annual area burnt by wildfires 0 hectares (2026)
- Annual number of wildfires 0 wildfires (2026)
- Annual area burnt per wildfire vs. number of fires 0 wildfires (2026)
Frequently asked questions
- What is red list index in British Indian Ocean Territory?
- Red list index in British Indian Ocean Territory was 0.8 index in 2025, according to BirdLife International and IUCN – processed by Our World in Data.
- What is the highest red list index recorded in British Indian Ocean Territory?
- The highest recorded value was 0.91 index in 1980.
- What is the lowest red list index recorded in British Indian Ocean Territory?
- The lowest recorded value was 0.8 index in 2025.
- How does British Indian Ocean Territory rank for red list index?
- British Indian Ocean Territory ranks 167th out of 247 countries with data for 2025.
- Is red list index rising or falling in British Indian Ocean Territory?
- Over the last ten years it is down 4.8%. The long-run trend across the full record is falling.
- Where does this British Indian Ocean Territory data come from?
- The figures come from BirdLife International and IUCN – processed by Our World in Data, published as part of Red List Index. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 46 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Red List Index.