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Mortality rates at age 25 in Sierra Leone

Sierra Leone: Mortality rates at age 25 was 0.2796 deaths per 1,000 people in 2023. ▼ Falling

Latest (2023)
0.2796 deaths per 1,000 people
Change on year
down 4.3%
World rank
45th
of 236 countries
All-time high
1.74 deaths per 1,000 people
in 1999
All-time low
0.2796 deaths per 1,000 people
in 2023
Years of data
74
1950–2023

Mortality rates at age 25 in Sierra Leone, 1950–2023

0.511.5195019862023

Source: Human Mortality Database (2025); UN, World Population Prospects (2024) – with minor processing by Our World in Data. Measured in deaths per 1,000 people.

Analysis

Sierra Leone recorded 0.2796 deaths per 1,000 people for mortality rates at age 25 in 2023. That is the lowest value across all 74 years on record.

The figure is down 4.3% on the previous year and down 43.2% over ten years.

Over the whole period, mortality rates at age 25 in Sierra Leone peaked at 1.74 deaths per 1,000 people in 1999 and was at its lowest, 0.2796 deaths per 1,000 people, in 2023.

Sierra Leone ranks 45th of 236 countries on this measure, in the top quarter.

The long-run direction has been consistently falling across the 74 years of available data.

Mortality rates at age 25 in Sierra Leone, year by year

Year deaths per 1,000 people Change
1950 1.32 deaths per 1,000 people —
1951 1.31 deaths per 1,000 people -0.5%
1952 1.29 deaths per 1,000 people -1.5%
1953 1.28 deaths per 1,000 people -0.7%
1954 1.27 deaths per 1,000 people -1.3%
1955 1.26 deaths per 1,000 people -0.7%
1956 1.25 deaths per 1,000 people -0.7%
1957 1.23 deaths per 1,000 people -1.5%
1958 1.22 deaths per 1,000 people -0.5%
1959 1.21 deaths per 1,000 people -1.3%
1960 1.19 deaths per 1,000 people -1.7%
1961 1.16 deaths per 1,000 people -2.3%
1962 1.13 deaths per 1,000 people -2.5%
1963 1.1 deaths per 1,000 people -2.9%
1964 1.06 deaths per 1,000 people -3.2%
1965 1.02 deaths per 1,000 people -3.9%
1966 0.9671 deaths per 1,000 people -5.2%
1967 0.9273 deaths per 1,000 people -4.1%
1968 0.9091 deaths per 1,000 people -2.0%
1969 0.8891 deaths per 1,000 people -2.2%
1970 0.8862 deaths per 1,000 people -0.3%
1971 0.8743 deaths per 1,000 people -1.3%
1972 0.8708 deaths per 1,000 people -0.4%
1973 0.8607 deaths per 1,000 people -1.2%
1974 0.8559 deaths per 1,000 people -0.6%
1975 0.8246 deaths per 1,000 people -3.7%
1976 0.8086 deaths per 1,000 people -1.9%
1977 0.7937 deaths per 1,000 people -1.8%
1978 0.7823 deaths per 1,000 people -1.4%
1979 0.7715 deaths per 1,000 people -1.4%
1980 0.7626 deaths per 1,000 people -1.2%
1981 0.7566 deaths per 1,000 people -0.8%
1982 0.7529 deaths per 1,000 people -0.5%
1983 0.7521 deaths per 1,000 people -0.1%
1984 0.7529 deaths per 1,000 people +0.1%
1985 0.7608 deaths per 1,000 people +1.1%
1986 0.7708 deaths per 1,000 people +1.3%
1987 0.7656 deaths per 1,000 people -0.7%
1988 0.7733 deaths per 1,000 people +1.0%
1989 0.7828 deaths per 1,000 people +1.2%
1990 0.793 deaths per 1,000 people +1.3%
1991 0.8727 deaths per 1,000 people +10.1%
1992 0.885 deaths per 1,000 people +1.4%
1993 0.8991 deaths per 1,000 people +1.6%
1994 0.984 deaths per 1,000 people +9.4%
1995 1.07 deaths per 1,000 people +8.3%
1996 0.9128 deaths per 1,000 people -14.3%
1997 0.9328 deaths per 1,000 people +2.2%
1998 1.21 deaths per 1,000 people +29.5%
1999 1.74 deaths per 1,000 people +44.4%
2000 0.8696 deaths per 1,000 people -50.1%
2001 0.8519 deaths per 1,000 people -2.0%
2002 0.7762 deaths per 1,000 people -8.9%
2003 0.7495 deaths per 1,000 people -3.4%
2004 0.7186 deaths per 1,000 people -4.1%
2005 0.6815 deaths per 1,000 people -5.2%
2006 0.6218 deaths per 1,000 people -8.8%
2007 0.6136 deaths per 1,000 people -1.3%
2008 0.5936 deaths per 1,000 people -3.3%
2009 0.5773 deaths per 1,000 people -2.8%
2010 0.5612 deaths per 1,000 people -2.8%
2011 0.5386 deaths per 1,000 people -4.0%
2012 0.5252 deaths per 1,000 people -2.5%
2013 0.4922 deaths per 1,000 people -6.3%
2014 0.4849 deaths per 1,000 people -1.5%
2015 0.4401 deaths per 1,000 people -9.3%
2016 0.387 deaths per 1,000 people -12.1%
2017 0.3619 deaths per 1,000 people -6.5%
2018 0.3245 deaths per 1,000 people -10.3%
2019 0.3159 deaths per 1,000 people -2.7%
2020 0.2863 deaths per 1,000 people -9.4%
2021 0.29 deaths per 1,000 people +1.3%
2022 0.2923 deaths per 1,000 people +0.8%
2023 0.2796 deaths per 1,000 people -4.3%

Averages by decade

DecadeAverage LowestHighest Years
1950s 1.26 deaths per 1,000 people 1.21 deaths per 1,000 people 1.32 deaths per 1,000 people 10
1960s 1.04 deaths per 1,000 people 0.8891 deaths per 1,000 people 1.19 deaths per 1,000 people 10
1970s 0.8328 deaths per 1,000 people 0.7715 deaths per 1,000 people 0.8862 deaths per 1,000 people 10
1980s 0.763 deaths per 1,000 people 0.7521 deaths per 1,000 people 0.7828 deaths per 1,000 people 10
1990s 1.03 deaths per 1,000 people 0.793 deaths per 1,000 people 1.74 deaths per 1,000 people 10
2000s 0.7054 deaths per 1,000 people 0.5773 deaths per 1,000 people 0.8696 deaths per 1,000 people 10
2010s 0.4432 deaths per 1,000 people 0.3159 deaths per 1,000 people 0.5612 deaths per 1,000 people 10
2020s 0.287 deaths per 1,000 people 0.2796 deaths per 1,000 people 0.2923 deaths per 1,000 people 4

Countries ranked near Sierra Leone

  1. 42 Cambodia 0.3039 deaths per 1,000 people compare
  2. 43 Angola 0.2956 deaths per 1,000 people compare
  3. 44 Equatorial Guinea 0.2903 deaths per 1,000 people compare
  4. 46 Mexico 0.2778 deaths per 1,000 people compare
  5. 47 Tanzania, United Republic of 0.2757 deaths per 1,000 people compare
  6. 48 Papua New Guinea 0.2757 deaths per 1,000 people compare

See the full ranking of 236 places →

More health data for Sierra Leone

All data for Sierra Leone →

Frequently asked questions

What is mortality rates at age 25 in Sierra Leone?
Mortality rates at age 25 in Sierra Leone was 0.2796 deaths per 1,000 people 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 mortality rates at age 25 recorded in Sierra Leone?
The highest recorded value was 1.74 deaths per 1,000 people in 1999.
What is the lowest mortality rates at age 25 recorded in Sierra Leone?
The lowest recorded value was 0.2796 deaths per 1,000 people in 2023.
How does Sierra Leone rank for mortality rates at age 25?
Sierra Leone ranks 45th out of 236 countries with data for 2023.
Is mortality rates at age 25 rising or falling in Sierra Leone?
Over the last ten years it is down 43.2%. 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 Mortality rates at age 25. Statizoid updates them automatically from the source API.

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Mortality rates at age 25 in Sierra Leone. Statizoid, drawing on Human Mortality Database (2025); UN, World Population Prospects (2024) – with minor processing by Our World in Data. Retrieved 30 August 2026, from https://health.statizoid.com/stat/mortality-rates-age-25-by-sex/sierra-leone/

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About this data

Indicator
Mortality rates at age 25
Unit
deaths per 1,000 people
Source
Human Mortality Database (2025); UN, World Population Prospects (2024) – with minor processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
236 places, 17,464 data points, 1950–2023
Last refreshed

Death rate, calculated as the number of deaths divided by the average number of people alive during the interval.