Red list index (Our World) in British Indian Ocean Territory

British Indian Ocean Territory: Red list index (Our World) was 0.8 in 2025. ▼ Falling

Latest (2025)
0.8
Change on year
down 1.2%
World rank
167th
of 247 countries
All-time high
0.91
in 1980
All-time low
0.8
in 2025
Years of data
46
1980–2025

Red list index in British Indian Ocean Territory, 1980–2025

00.20.40.60.81198020022025

Source: Our World in Data.

Analysis

The most recent figure for red list index in British Indian Ocean Territory is 0.8, 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 in 1980 and was at its lowest, 0.8, 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 (Our World) in British Indian Ocean Territory, year by year

Annual values for Red list index in British Indian Ocean Territory, 1980 to 2025.
Year Value Change
1980 0.91 —
1981 0.91 +0.0%
1982 0.91 +0.0%
1983 0.91 +0.0%
1984 0.91 +0.0%
1985 0.91 +0.0%
1986 0.91 +0.0%
1987 0.91 +0.0%
1988 0.91 +0.0%
1989 0.91 +0.0%
1990 0.91 +0.0%
1991 0.91 +0.0%
1992 0.91 +0.0%
1993 0.91 +0.0%
1994 0.91 +0.0%
1995 0.91 +0.0%
1996 0.91 +0.0%
1997 0.9 -1.1%
1998 0.9 +0.0%
1999 0.9 +0.0%
2000 0.89 -1.1%
2001 0.89 +0.0%
2002 0.89 +0.0%
2003 0.88 -1.1%
2004 0.88 +0.0%
2005 0.88 +0.0%
2006 0.87 -1.1%
2007 0.87 +0.0%
2008 0.87 +0.0%
2009 0.86 -1.1%
2010 0.86 +0.0%
2011 0.85 -1.2%
2012 0.85 +0.0%
2013 0.85 +0.0%
2014 0.84 -1.2%
2015 0.84 +0.0%
2016 0.84 +0.0%
2017 0.83 -1.2%
2018 0.83 +0.0%
2019 0.83 +0.0%
2020 0.82 -1.2%
2021 0.82 +0.0%
2022 0.81 -1.2%
2023 0.81 +0.0%
2024 0.81 +0.0%
2025 0.8 -1.2%

Averages by decade

DecadeAverage LowestHighest Years
1980s 0.91 0.91 0.91 10
1990s 0.907 0.9 0.91 10
2000s 0.878 0.86 0.89 10
2010s 0.842 0.83 0.86 10
2020s 0.8117 0.8 0.82 6

Countries ranked near British Indian Ocean Territory

  1. 167 Cayman Islands 0.8 compare
  2. 167 Niue 0.8 compare
  3. 167 Spain 0.8 compare
  4. 167 Tanzania 0.8 compare
  5. 167 Turks and Caicos Islands 0.8 compare

See the full ranking of 247 places →

More reference data data for British Indian Ocean Territory

All data for British Indian Ocean Territory →

Frequently asked questions

What is red list index in British Indian Ocean Territory?
Red list index in British Indian Ocean Territory was 0.8 in 2025, according to Our World in Data.
What is the highest red list index recorded in British Indian Ocean Territory?
The highest recorded value was 0.91 in 1980.
What is the lowest red list index recorded in British Indian Ocean Territory?
The lowest recorded value was 0.8 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 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).

Share, cite or embed this page

Cite this page

Red list index in British Indian Ocean Territory. Statizoid, drawing on Our World in Data. Retrieved 14 November 2026, from https://reference.statizoid.com/stat/red-list-index/british-indian-ocean-territory/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (Our World in Data); please keep the attribution.

<a href="https://reference.statizoid.com/stat/red-list-index/british-indian-ocean-territory/">Red list index in British Indian Ocean Territory</a> — Statizoid

About this data

Indicator
Red list index
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
247 places, 11,362 data points, 1980–2025
Last refreshed