Red List Index in Guam
Guam: Red List Index was 0.42 index in 2025. ▼ Falling
Latest (2025)
0.42 index
Change on year
unchanged
World rank
245th
of 247 countries
All-time high
0.49 index
in 1980
All-time low
0.42 index
in 2023
Years of data
46
1980–2025
Red List Index in Guam, 1980–2025
Source: BirdLife International and IUCN – processed by Our World in Data. Measured in index.
Analysis
Guam recorded 0.42 index for red list index in 2025. That is the lowest value across all 46 years on record.
That represents a change of down 6.7% over ten years.
Over the whole period, red list index in Guam peaked at 0.49 index in 1980 and was at its lowest, 0.42 index, in 2023.
That places Guam 245th out of 247 countries with data for 2025, putting it in the bottom quarter.
The long-run direction has been consistently falling across the 46 years of available data.
Red List Index in Guam, year by year
| Year | index | Change |
|---|---|---|
| 1980 | 0.49 index | — |
| 1981 | 0.49 index | +0.0% |
| 1982 | 0.49 index | +0.0% |
| 1983 | 0.49 index | +0.0% |
| 1984 | 0.49 index | +0.0% |
| 1985 | 0.49 index | +0.0% |
| 1986 | 0.49 index | +0.0% |
| 1987 | 0.49 index | +0.0% |
| 1988 | 0.49 index | +0.0% |
| 1989 | 0.49 index | +0.0% |
| 1990 | 0.49 index | +0.0% |
| 1991 | 0.49 index | +0.0% |
| 1992 | 0.49 index | +0.0% |
| 1993 | 0.49 index | +0.0% |
| 1994 | 0.49 index | +0.0% |
| 1995 | 0.49 index | +0.0% |
| 1996 | 0.49 index | +0.0% |
| 1997 | 0.49 index | +0.0% |
| 1998 | 0.48 index | -2.0% |
| 1999 | 0.48 index | +0.0% |
| 2000 | 0.48 index | +0.0% |
| 2001 | 0.48 index | +0.0% |
| 2002 | 0.48 index | +0.0% |
| 2003 | 0.47 index | -2.1% |
| 2004 | 0.47 index | +0.0% |
| 2005 | 0.47 index | +0.0% |
| 2006 | 0.47 index | +0.0% |
| 2007 | 0.47 index | +0.0% |
| 2008 | 0.47 index | +0.0% |
| 2009 | 0.46 index | -2.1% |
| 2010 | 0.46 index | +0.0% |
| 2011 | 0.46 index | +0.0% |
| 2012 | 0.45 index | -2.2% |
| 2013 | 0.45 index | +0.0% |
| 2014 | 0.45 index | +0.0% |
| 2015 | 0.45 index | +0.0% |
| 2016 | 0.45 index | +0.0% |
| 2017 | 0.44 index | -2.2% |
| 2018 | 0.44 index | +0.0% |
| 2019 | 0.44 index | +0.0% |
| 2020 | 0.43 index | -2.3% |
| 2021 | 0.43 index | +0.0% |
| 2022 | 0.43 index | +0.0% |
| 2023 | 0.42 index | -2.3% |
| 2024 | 0.42 index | +0.0% |
| 2025 | 0.42 index | +0.0% |
Guam compared with similar countries
- Guam's 0.42 index is below the median for high income countries, which is 0.84 index, 50% of the median. (85 countries reporting)
- Guam's 0.42 index is below the median for East Asia & Pacific, which is 0.81 index, 52% of the median. (37 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 0.49 index | 0.49 index | 0.49 index | 10 |
| 1990s | 0.488 index | 0.48 index | 0.49 index | 10 |
| 2000s | 0.472 index | 0.46 index | 0.48 index | 10 |
| 2010s | 0.449 index | 0.44 index | 0.46 index | 10 |
| 2020s | 0.425 index | 0.42 index | 0.43 index | 6 |
Countries ranked near Guam
- 244 Mauritius 0.46 index compare
- 245 Christmas Island 0.42 index compare
- 247 Saint Kitts and Nevis 0.41 index compare
More reference data data for Guam
- Emission Totals - Emissions (CO2eq) from CH4 (AR5) - IPCC Agriculture 0.0012 (2050)
- Emission Totals - Emissions (N2O) - Burning - Crop residues 0 (2050)
- Emission Totals - Emissions (N2O) - Agricultural Soils 0 (2050)
- Emission Totals - Emissions (CO2eq) from N2O (AR5) - IPCC Agriculture 0.004 (2050)
- Emission Totals - Emissions (CO2eq) from N2O (AR5) - Crop Residues 0.0037 (2050)
- Emission Totals - Emissions (CO2eq) from N2O (AR5) - Agricultural 0.0037 (2050)
- Emission Totals - Emissions (CO2eq) from N2O (AR5) - Burning - Crop 0.0003 (2050)
- Emission Totals - Emissions (CH4) - IPCC Agriculture 0 (2050)
- Emission Totals - Emissions (CH4) - Burning - Crop residues 0 (2050)
- Emission Totals - Direct emissions (N2O) - IPCC Agriculture 0 (2050)
Frequently asked questions
- What is red list index in Guam?
- Red list index in Guam was 0.42 index in 2025, according to BirdLife International and IUCN – processed by Our World in Data.
- What is the highest red list index recorded in Guam?
- The highest recorded value was 0.49 index in 1980.
- What is the lowest red list index recorded in Guam?
- The lowest recorded value was 0.42 index in 2023.
- How does Guam rank for red list index?
- Guam ranks 245th out of 247 countries with data for 2025.
- Is red list index rising or falling in Guam?
- Over the last ten years it is down 6.7%. The long-run trend across the full record is falling.
- Where does this Guam 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.