Probability of dying in infancy, by sex in Sierra Leone
Sierra Leone: Probability of dying in infancy, by sex was 6.6% in 2023. ▼ Falling
Probability of dying in infancy, by sex in Sierra Leone, 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 Sierra Leone stood at 6.6%. That is the lowest value across all 74 years on record.
Compared with earlier readings it is down 3.3% on the previous year and down 28.6% over ten years.
Over the whole period, probability of dying in infancy, by sex in Sierra Leone peaked at 20.8% in 1950 and was at its lowest, 6.6%, in 2023.
Sierra Leone ranks 1st of 236 countries on this measure, in the top 10%.
The long-run direction has been consistently falling across the 74 years of available data.
Probability of dying in infancy, by sex in Sierra Leone, year by year
| Year | % | Change |
|---|---|---|
| 1950 | 20.8% | — |
| 1951 | 20.7% | -0.7% |
| 1952 | 20.5% | -0.7% |
| 1953 | 20.4% | -0.7% |
| 1954 | 20.2% | -0.8% |
| 1955 | 20.1% | -0.8% |
| 1956 | 19.9% | -0.8% |
| 1957 | 19.7% | -0.8% |
| 1958 | 19.6% | -0.8% |
| 1959 | 19.4% | -0.9% |
| 1960 | 19.2% | -0.9% |
| 1961 | 19.1% | -0.9% |
| 1962 | 18.9% | -0.9% |
| 1963 | 18.7% | -1.0% |
| 1964 | 18.5% | -1.0% |
| 1965 | 18.3% | -1.0% |
| 1966 | 18.1% | -1.0% |
| 1967 | 17.9% | -1.0% |
| 1968 | 17.8% | -1.0% |
| 1969 | 17.6% | -1.0% |
| 1970 | 17.4% | -1.0% |
| 1971 | 17.2% | -1.0% |
| 1972 | 17.1% | -1.0% |
| 1973 | 16.9% | -1.0% |
| 1974 | 16.7% | -1.0% |
| 1975 | 16.6% | -1.0% |
| 1976 | 16.4% | -1.0% |
| 1977 | 16.2% | -0.9% |
| 1978 | 16.1% | -0.9% |
| 1979 | 15.9% | -0.9% |
| 1980 | 15.8% | -0.9% |
| 1981 | 15.7% | -0.9% |
| 1982 | 15.5% | -0.8% |
| 1983 | 15.4% | -0.8% |
| 1984 | 15.3% | -0.7% |
| 1985 | 15.2% | -0.6% |
| 1986 | 15.1% | -0.6% |
| 1987 | 15.0% | -0.9% |
| 1988 | 14.9% | -0.7% |
| 1989 | 14.8% | -0.6% |
| 1990 | 14.7% | -0.6% |
| 1991 | 14.6% | -0.3% |
| 1992 | 14.5% | -1.0% |
| 1993 | 14.4% | -0.7% |
| 1994 | 14.4% | -0.1% |
| 1995 | 14.3% | -0.7% |
| 1996 | 14.1% | -1.6% |
| 1997 | 13.9% | -1.1% |
| 1998 | 13.8% | -0.5% |
| 1999 | 13.5% | -2.5% |
| 2000 | 13.3% | -1.3% |
| 2001 | 13.0% | -2.0% |
| 2002 | 12.8% | -1.9% |
| 2003 | 12.5% | -2.0% |
| 2004 | 12.2% | -2.2% |
| 2005 | 11.9% | -2.5% |
| 2006 | 11.6% | -2.7% |
| 2007 | 11.3% | -2.9% |
| 2008 | 10.9% | -3.1% |
| 2009 | 10.6% | -3.1% |
| 2010 | 10.2% | -3.5% |
| 2011 | 9.9% | -3.4% |
| 2012 | 9.5% | -3.4% |
| 2013 | 9.2% | -3.6% |
| 2014 | 9.0% | -2.7% |
| 2015 | 8.6% | -3.6% |
| 2016 | 8.3% | -4.0% |
| 2017 | 8.0% | -2.9% |
| 2018 | 7.7% | -3.7% |
| 2019 | 7.5% | -3.3% |
| 2020 | 7.3% | -3.2% |
| 2021 | 7.0% | -3.2% |
| 2022 | 6.8% | -3.2% |
| 2023 | 6.6% | -3.3% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 20.1% | 19.4% | 20.8% | 10 |
| 1960s | 18.4% | 17.6% | 19.2% | 10 |
| 1970s | 16.7% | 15.9% | 17.4% | 10 |
| 1980s | 15.3% | 14.8% | 15.8% | 10 |
| 1990s | 14.2% | 13.5% | 14.7% | 10 |
| 2000s | 12.0% | 10.6% | 13.3% | 10 |
| 2010s | 8.8% | 7.5% | 10.2% | 10 |
| 2020s | 6.9% | 6.6% | 7.3% | 4 |
Countries ranked near Sierra Leone
More reference data data for Sierra Leone
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.0238 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.4498 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.5935 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.12 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.5935 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.0797 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.044 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 1.91 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 2.72 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.6534 (2050)
Frequently asked questions
- What is probability of dying in infancy, by sex in Sierra Leone?
- Probability of dying in infancy, by sex in Sierra Leone was 6.6% 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 Sierra Leone?
- The highest recorded value was 20.8% in 1950.
- What is the lowest probability of dying in infancy, by sex recorded in Sierra Leone?
- The lowest recorded value was 6.6% in 2023.
- How does Sierra Leone rank for probability of dying in infancy, by sex?
- Sierra Leone ranks 1st out of 236 countries with data for 2023.
- Is probability of dying in infancy, by sex rising or falling in Sierra Leone?
- Over the last ten years it is down 28.6%. The long-run trend across the full record is falling.
- Where does this Sierra Leone 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.
Download this data
CSV · JSON — 74 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Probability of dying in a given interval, among people who survived to the start of that interval.