Probability of dying in infancy, by sex in Tonga
Tonga: Probability of dying in infancy, by sex was 0.8% in 2023. ◆ Volatile
Probability of dying in infancy, by sex in Tonga, 1950–2023
Source: Human Mortality Database (2025); UN, World Population Prospects (2024) – with minor processing by Our World in Data. Measured in %.
Analysis
In 2023, probability of dying in infancy, by sex in Tonga stood at 0.8%. That is the lowest value across all 74 years on record.
The figure is down 3.3% on the previous year and down 15.6% over ten years.
Over the whole period, probability of dying in infancy, by sex in Tonga peaked at 9.6% in 1950 and was at its lowest, 0.8%, in 2023.
Tonga ranks 136th of 236 countries on this measure, in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Probability of dying in infancy, by sex in Tonga, year by year
| Year | % | Change |
|---|---|---|
| 1950 | 9.6% | — |
| 1951 | 9.0% | -6.1% |
| 1952 | 8.5% | -6.2% |
| 1953 | 7.9% | -6.3% |
| 1954 | 7.4% | -6.4% |
| 1955 | 7.0% | -6.3% |
| 1956 | 6.5% | -6.0% |
| 1957 | 6.2% | -5.7% |
| 1958 | 5.9% | -5.1% |
| 1959 | 5.6% | -4.6% |
| 1960 | 5.4% | -4.2% |
| 1961 | 5.1% | -3.9% |
| 1962 | 4.9% | -4.3% |
| 1963 | 4.7% | -4.1% |
| 1964 | 4.5% | -4.1% |
| 1965 | 4.3% | -4.1% |
| 1966 | 4.2% | -4.1% |
| 1967 | 4.0% | -4.3% |
| 1968 | 3.8% | -4.6% |
| 1969 | 3.6% | -5.1% |
| 1970 | 3.4% | -5.7% |
| 1971 | 3.2% | -6.3% |
| 1972 | 3.0% | -6.3% |
| 1973 | 2.8% | -5.5% |
| 1974 | 2.7% | -5.7% |
| 1975 | 2.5% | -4.5% |
| 1976 | 2.5% | -3.4% |
| 1977 | 2.4% | -3.1% |
| 1978 | 2.3% | -3.2% |
| 1979 | 2.2% | -3.1% |
| 1980 | 2.2% | -3.2% |
| 1981 | 2.1% | -3.3% |
| 1982 | 2.1% | -1.8% |
| 1983 | 2.0% | -4.2% |
| 1984 | 1.9% | -2.8% |
| 1985 | 1.9% | -2.7% |
| 1986 | 1.8% | -2.8% |
| 1987 | 1.8% | -2.8% |
| 1988 | 1.7% | -2.9% |
| 1989 | 1.7% | -3.0% |
| 1990 | 1.6% | -2.8% |
| 1991 | 1.6% | -3.3% |
| 1992 | 1.5% | -3.0% |
| 1993 | 1.5% | -2.9% |
| 1994 | 1.4% | -2.8% |
| 1995 | 1.4% | -2.6% |
| 1996 | 1.4% | -2.5% |
| 1997 | 1.3% | -2.4% |
| 1998 | 1.3% | -2.4% |
| 1999 | 1.3% | -2.4% |
| 2000 | 1.2% | -2.5% |
| 2001 | 1.2% | -2.1% |
| 2002 | 1.2% | -2.9% |
| 2003 | 1.1% | -2.5% |
| 2004 | 1.1% | -2.5% |
| 2005 | 1.1% | -2.4% |
| 2006 | 1.1% | -2.3% |
| 2007 | 1.0% | -2.2% |
| 2008 | 1.0% | -2.1% |
| 2009 | 1.0% | +0.4% |
| 2010 | 1.0% | -4.0% |
| 2011 | 1.0% | -1.6% |
| 2012 | 0.9% | -1.4% |
| 2013 | 0.9% | -1.3% |
| 2014 | 0.9% | -0.8% |
| 2015 | 0.9% | -1.6% |
| 2016 | 0.9% | -1.3% |
| 2017 | 0.9% | -1.4% |
| 2018 | 0.9% | -1.6% |
| 2019 | 0.9% | -1.8% |
| 2020 | 0.8% | -1.9% |
| 2021 | 0.8% | -2.1% |
| 2022 | 0.8% | -1.1% |
| 2023 | 0.8% | -3.3% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 7.4% | 5.6% | 9.6% | 10 |
| 1960s | 4.5% | 3.6% | 5.4% | 10 |
| 1970s | 2.7% | 2.2% | 3.4% | 10 |
| 1980s | 1.9% | 1.7% | 2.2% | 10 |
| 1990s | 1.4% | 1.3% | 1.6% | 10 |
| 2000s | 1.1% | 1.0% | 1.2% | 10 |
| 2010s | 0.9% | 0.9% | 1.0% | 10 |
| 2020s | 0.8% | 0.8% | 0.8% | 4 |
Countries ranked near Tonga
More reference data data for Tonga
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.0105 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.0092 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.0197 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.0197 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.0353 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.0269 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 0.0446 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 0.1068 (2050)
- Emission Totals - Emissions (N2O) - Agricultural Soils 0.0799 (2050)
- Emission Totals - Emissions (CO2eq) from N2O (AR5) - Manure applied 9.35 (2050)
Frequently asked questions
- What is probability of dying in infancy, by sex in Tonga?
- Probability of dying in infancy, by sex in Tonga was 0.8% in 2023, according to Human Mortality Database (2025); UN, World Population Prospects (2024) – with minor processing by Our World in Data.
- What is the highest probability of dying in infancy, by sex recorded in Tonga?
- The highest recorded value was 9.6% in 1950.
- What is the lowest probability of dying in infancy, by sex recorded in Tonga?
- The lowest recorded value was 0.8% in 2023.
- How does Tonga rank for probability of dying in infancy, by sex?
- Tonga ranks 136th out of 236 countries with data for 2023.
- Is probability of dying in infancy, by sex rising or falling in Tonga?
- Over the last ten years it is down 15.6%. The long-run trend across the full record is volatile.
- Where does this Tonga data come from?
- The figures come from Human Mortality Database (2025); UN, World Population Prospects (2024) – with minor processing by Our World in Data, published as part of Probability of dying in infancy, by sex. Statizoid updates them automatically from the source API.
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About this data
Probability of dying in a given interval, among people who survived to the start of that interval.