What is red list index in Heard Island and McDonald Islands?

Red list index in Heard Island and McDonald Islands was 0.93 index in 2025, according to BirdLife International and IUCN – processed by Our World in Data.

What is the highest red list index recorded in Heard Island and McDonald Islands?

The highest recorded value was 0.93 index in 1980.

What is the lowest red list index recorded in Heard Island and McDonald Islands?

The lowest recorded value was 0.93 index in 1980.

How does Heard Island and McDonald Islands rank for red list index?

Heard Island and McDonald Islands ranks 56th out of 247 countries with data for 2025.

Is red list index rising or falling in Heard Island and McDonald Islands?

Over the last ten years it is unchanged. The long-run trend across the full record is flat.

Where does this Heard Island and McDonald Islands 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.

Red List Index in Heard Island and McDonald Islands

Name: Red List Index in Heard Island and McDonald Islands
Creator: BirdLife International and IUCN – processed by Our World in Data
License: CC BY 4.0 (Our World in Data)

Heard Island and McDonald Islands: Red List Index was 0.93 index in 2025. ▬ Flat

Latest (2025)

0.93 index

Change on year

unchanged

World rank

56th

of 247 countries

All-time high

0.93 index

in 1980

All-time low

0.93 index

in 1980

Years of data

1980–2025

Red List Index in Heard Island and McDonald Islands, 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 Heard Island and McDonald Islands is 0.93 index, measured in 2025. That is the highest value across all 46 years on record.

Compared with earlier readings it is unchanged over ten years.

Over the whole period, red list index in Heard Island and McDonald Islands peaked at 0.93 index in 1980 and was at its lowest, 0.93 index, in 1980.

Heard Island and McDonald Islands ranks 56th of 247 countries on this measure, in the top quarter.

Red List Index in Heard Island and McDonald Islands, year by year

Annual values for Red List Index in Heard Island and McDonald Islands, 1980 to 2025.
Year	index	Change
1980	0.93 index	—
1981	0.93 index	+0.0%
1982	0.93 index	+0.0%
1983	0.93 index	+0.0%
1984	0.93 index	+0.0%
1985	0.93 index	+0.0%
1986	0.93 index	+0.0%
1987	0.93 index	+0.0%
1988	0.93 index	+0.0%
1989	0.93 index	+0.0%
1990	0.93 index	+0.0%
1991	0.93 index	+0.0%
1992	0.93 index	+0.0%
1993	0.93 index	+0.0%
1994	0.93 index	+0.0%
1995	0.93 index	+0.0%
1996	0.93 index	+0.0%
1997	0.93 index	+0.0%
1998	0.93 index	+0.0%
1999	0.93 index	+0.0%
2000	0.93 index	+0.0%
2001	0.93 index	+0.0%
2002	0.93 index	+0.0%
2003	0.93 index	+0.0%
2004	0.93 index	+0.0%
2005	0.93 index	+0.0%
2006	0.93 index	+0.0%
2007	0.93 index	+0.0%
2008	0.93 index	+0.0%
2009	0.93 index	+0.0%
2010	0.93 index	+0.0%
2011	0.93 index	+0.0%
2012	0.93 index	+0.0%
2013	0.93 index	+0.0%
2014	0.93 index	+0.0%
2015	0.93 index	+0.0%
2016	0.93 index	+0.0%
2017	0.93 index	+0.0%
2018	0.93 index	+0.0%
2019	0.93 index	+0.0%
2020	0.93 index	+0.0%
2021	0.93 index	+0.0%
2022	0.93 index	+0.0%
2023	0.93 index	+0.0%
2024	0.93 index	+0.0%
2025	0.93 index	+0.0%

Averages by decade

Decade	Average	Lowest	Highest	Years
1980s	0.93 index	0.93 index	0.93 index	10
1990s	0.93 index	0.93 index	0.93 index	10
2000s	0.93 index	0.93 index	0.93 index	10
2010s	0.93 index	0.93 index	0.93 index	10
2020s	0.93 index	0.93 index	0.93 index	6

Countries ranked near Heard Island and McDonald Islands

56 Nepal 0.93 index compare
56 Niger 0.93 index compare
56 North Macedonia 0.93 index compare
56 Togo 0.93 index compare

See the full ranking of 247 places →

More reference data data for Heard Island and McDonald Islands

Annual precipitation, annual growth rate 3.05 % change on previous year (2025)
Exposure to extreme precipitation — Annual precipitation change -17.8 Millimetres per year (2023)
Exposure to extreme temperature — Annual temperature change 0.729 Degrees celsius (2023)
Annual temperature anomalies 0.8308 °C (2025)
Average annual surface temperature 2.45 °C (2025)
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)
Chlorophyll-a deviation from the global average 3.3% (2022)

All data for Heard Island and McDonald Islands →

Frequently asked questions

What is red list index in Heard Island and McDonald Islands?: Red list index in Heard Island and McDonald Islands was 0.93 index in 2025, according to BirdLife International and IUCN – processed by Our World in Data.
What is the highest red list index recorded in Heard Island and McDonald Islands?: The highest recorded value was 0.93 index in 1980.
What is the lowest red list index recorded in Heard Island and McDonald Islands?: The lowest recorded value was 0.93 index in 1980.
How does Heard Island and McDonald Islands rank for red list index?: Heard Island and McDonald Islands ranks 56th out of 247 countries with data for 2025.
Is red list index rising or falling in Heard Island and McDonald Islands?: Over the last ten years it is unchanged. The long-run trend across the full record is flat.
Where does this Heard Island and McDonald Islands 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.

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Red List Index in Heard Island and McDonald Islands. Statizoid, drawing on BirdLife International and IUCN – processed by Our World in Data. Retrieved 29 September 2026, from https://reference.statizoid.com/stat/red-list-index/heard-island-and-mcdonald-islands/

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About this data

Indicator: Red List Index
Unit: index
Source: BirdLife International and IUCN – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 247 places, 11,362 data points, 1980–2025
Last refreshed: 18 September 2026

Red List Index.