Red list index (Our World) in Heard Island and McDonald Islands
Heard Island and McDonald Islands: Red list index (Our World) was 0.93 in 2025. ▬ Flat
Latest (2025)
0.93
Change on year
unchanged
World rank
56th
of 247 countries
All-time high
0.93
in 1980
All-time low
0.93
in 1980
Years of data
46
1980–2025
Red list index in Heard Island and McDonald Islands, 1980–2025
Source: Our World in Data.
Analysis
The most recent figure for red list index in Heard Island and McDonald Islands is 0.93, 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 in 1980 and was at its lowest, 0.93, in 1980.
Heard Island and McDonald Islands ranks 56th of 247 countries on this measure, in the top quarter.
Red list index (Our World) in Heard Island and McDonald Islands, year by year
| Year | Value | Change |
|---|---|---|
| 1980 | 0.93 | — |
| 1981 | 0.93 | +0.0% |
| 1982 | 0.93 | +0.0% |
| 1983 | 0.93 | +0.0% |
| 1984 | 0.93 | +0.0% |
| 1985 | 0.93 | +0.0% |
| 1986 | 0.93 | +0.0% |
| 1987 | 0.93 | +0.0% |
| 1988 | 0.93 | +0.0% |
| 1989 | 0.93 | +0.0% |
| 1990 | 0.93 | +0.0% |
| 1991 | 0.93 | +0.0% |
| 1992 | 0.93 | +0.0% |
| 1993 | 0.93 | +0.0% |
| 1994 | 0.93 | +0.0% |
| 1995 | 0.93 | +0.0% |
| 1996 | 0.93 | +0.0% |
| 1997 | 0.93 | +0.0% |
| 1998 | 0.93 | +0.0% |
| 1999 | 0.93 | +0.0% |
| 2000 | 0.93 | +0.0% |
| 2001 | 0.93 | +0.0% |
| 2002 | 0.93 | +0.0% |
| 2003 | 0.93 | +0.0% |
| 2004 | 0.93 | +0.0% |
| 2005 | 0.93 | +0.0% |
| 2006 | 0.93 | +0.0% |
| 2007 | 0.93 | +0.0% |
| 2008 | 0.93 | +0.0% |
| 2009 | 0.93 | +0.0% |
| 2010 | 0.93 | +0.0% |
| 2011 | 0.93 | +0.0% |
| 2012 | 0.93 | +0.0% |
| 2013 | 0.93 | +0.0% |
| 2014 | 0.93 | +0.0% |
| 2015 | 0.93 | +0.0% |
| 2016 | 0.93 | +0.0% |
| 2017 | 0.93 | +0.0% |
| 2018 | 0.93 | +0.0% |
| 2019 | 0.93 | +0.0% |
| 2020 | 0.93 | +0.0% |
| 2021 | 0.93 | +0.0% |
| 2022 | 0.93 | +0.0% |
| 2023 | 0.93 | +0.0% |
| 2024 | 0.93 | +0.0% |
| 2025 | 0.93 | +0.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 0.93 | 0.93 | 0.93 | 10 |
| 1990s | 0.93 | 0.93 | 0.93 | 10 |
| 2000s | 0.93 | 0.93 | 0.93 | 10 |
| 2010s | 0.93 | 0.93 | 0.93 | 10 |
| 2020s | 0.93 | 0.93 | 0.93 | 6 |
Countries ranked near Heard Island and McDonald Islands
More reference data data for Heard Island and McDonald Islands
- Country level monthly temperature anomalies 0.876 (2026)
- Spring temperature anomalies 0.8521 (2026)
- Autumn temperature anomalies 0.6023 (2026)
- Summer temperature anomalies 1.56 (2026)
- Annual precipitation, annual growth rate 3.05 % change on previous year (2025)
- Average precipitation per year 1,377 (2025)
- Winter temperature anomalies 0.8706 (2025)
- Global precipitation anomaly 29.5 (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)
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 in 2025, according to 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 in 1980.
- What is the lowest red list index recorded in Heard Island and McDonald Islands?
- The lowest recorded value was 0.93 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 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).