Sex ratio by age in Sierra Leone
Sierra Leone: Sex ratio by age was 37.5 males per 100 females in 2023. ◆ Volatile
Latest (2023)
37.5 males per 100 females
Change on year
unchanged
World rank
43rd
of 212 countries
All-time high
50 males per 100 females
in 1950
All-time low
0 males per 100 females
in 1952
Years of data
74
1950–2023
Sex ratio by age in Sierra Leone, 1950–2023
Source: UN, World Population Prospects (2024) – processed by Our World in Data. Measured in males per 100 females.
Analysis
Sierra Leone recorded 37.5 males per 100 females for sex ratio by age in 2023.
The figure is up 50.0% over ten years.
Over the whole period, sex ratio by age in Sierra Leone peaked at 50 males per 100 females in 1950 and was at its lowest, 0 males per 100 females, in 1952.
That places Sierra Leone 43rd out of 212 countries with data for 2023, putting it in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Sex ratio by age in Sierra Leone, year by year
| Year | males per 100 females | Change |
|---|---|---|
| 1950 | 50 males per 100 females | — |
| 1951 | 50 males per 100 females | +0.0% |
| 1952 | 0 males per 100 females | -100.0% |
| 1953 | 0 males per 100 females | — |
| 1954 | 0 males per 100 females | — |
| 1955 | 0 males per 100 females | — |
| 1956 | 0 males per 100 females | — |
| 1957 | 0 males per 100 females | — |
| 1958 | 0 males per 100 females | — |
| 1959 | 0 males per 100 females | — |
| 1960 | 0 males per 100 females | — |
| 1961 | 0 males per 100 females | — |
| 1962 | 0 males per 100 females | — |
| 1963 | 0 males per 100 females | — |
| 1964 | 0 males per 100 females | — |
| 1965 | 0 males per 100 females | — |
| 1966 | 0 males per 100 females | — |
| 1967 | 0 males per 100 females | — |
| 1968 | 0 males per 100 females | — |
| 1969 | 0 males per 100 females | — |
| 1970 | 0 males per 100 females | — |
| 1971 | 0 males per 100 females | — |
| 1972 | 0 males per 100 females | — |
| 1973 | 0 males per 100 females | — |
| 1974 | 0 males per 100 females | — |
| 1975 | 50 males per 100 females | — |
| 1976 | 33.33 males per 100 females | -33.3% |
| 1977 | 33.33 males per 100 females | +0.0% |
| 1978 | 33.33 males per 100 females | +0.0% |
| 1979 | 25 males per 100 females | -25.0% |
| 1980 | 25 males per 100 females | +0.0% |
| 1981 | 25 males per 100 females | +0.0% |
| 1982 | 25 males per 100 females | +0.0% |
| 1983 | 25 males per 100 females | +0.0% |
| 1984 | 25 males per 100 females | +0.0% |
| 1985 | 25 males per 100 females | +0.0% |
| 1986 | 25 males per 100 females | +0.0% |
| 1987 | 25 males per 100 females | +0.0% |
| 1988 | 50 males per 100 females | +100.0% |
| 1989 | 50 males per 100 females | +0.0% |
| 1990 | 50 males per 100 females | +0.0% |
| 1991 | 50 males per 100 females | +0.0% |
| 1992 | 50 males per 100 females | +0.0% |
| 1993 | 50 males per 100 females | +0.0% |
| 1994 | 50 males per 100 females | +0.0% |
| 1995 | 50 males per 100 females | +0.0% |
| 1996 | 50 males per 100 females | +0.0% |
| 1997 | 50 males per 100 females | +0.0% |
| 1998 | 50 males per 100 females | +0.0% |
| 1999 | 50 males per 100 females | +0.0% |
| 2000 | 40 males per 100 females | -20.0% |
| 2001 | 40 males per 100 females | +0.0% |
| 2002 | 33.33 males per 100 females | -16.7% |
| 2003 | 33.33 males per 100 females | +0.0% |
| 2004 | 33.33 males per 100 females | +0.0% |
| 2005 | 33.33 males per 100 females | +0.0% |
| 2006 | 28.57 males per 100 females | -14.3% |
| 2007 | 28.57 males per 100 females | +0.0% |
| 2008 | 28.57 males per 100 females | +0.0% |
| 2009 | 28.57 males per 100 females | +0.0% |
| 2010 | 28.57 males per 100 females | +0.0% |
| 2011 | 28.57 males per 100 females | +0.0% |
| 2012 | 25 males per 100 females | -12.5% |
| 2013 | 25 males per 100 females | +0.0% |
| 2014 | 37.5 males per 100 females | +50.0% |
| 2015 | 37.5 males per 100 females | +0.0% |
| 2016 | 37.5 males per 100 females | +0.0% |
| 2017 | 37.5 males per 100 females | +0.0% |
| 2018 | 37.5 males per 100 females | +0.0% |
| 2019 | 37.5 males per 100 females | +0.0% |
| 2020 | 37.5 males per 100 females | +0.0% |
| 2021 | 37.5 males per 100 females | +0.0% |
| 2022 | 37.5 males per 100 females | +0.0% |
| 2023 | 37.5 males per 100 females | +0.0% |
Sierra Leone compared with similar countries
- Sierra Leone's 37.5 males per 100 females is above the median for low income countries, which is 28.24 males per 100 females, 1.3× the median. (24 countries reporting)
- Sierra Leone's 37.5 males per 100 females is above the median for Sub-Saharan Africa, which is 30.72 males per 100 females, 1.2× the median. (46 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 10 males per 100 females | 0 males per 100 females | 50 males per 100 females | 10 |
| 1960s | 0 males per 100 females | 0 males per 100 females | 0 males per 100 females | 10 |
| 1970s | 17.5 males per 100 females | 0 males per 100 females | 50 males per 100 females | 10 |
| 1980s | 30 males per 100 females | 25 males per 100 females | 50 males per 100 females | 10 |
| 1990s | 50 males per 100 females | 50 males per 100 females | 50 males per 100 females | 10 |
| 2000s | 32.76 males per 100 females | 28.57 males per 100 females | 40 males per 100 females | 10 |
| 2010s | 33.21 males per 100 females | 25 males per 100 females | 37.5 males per 100 females | 10 |
| 2020s | 37.5 males per 100 females | 37.5 males per 100 females | 37.5 males per 100 females | 4 |
Countries ranked near Sierra Leone
More gender data for Sierra Leone
- Child population (UN estimates and projections) 3,446 (2030)
- Child population (UN estimates and projections) (0-14), annual growth 0.722 % change on previous year (2030)
- Population 6,249 (2030)
- Working-age population (UN estimates and projections) 6,249 (2030)
- Population (UN estimates and projections), annual growth rate 2.45 % change on previous year (2030)
- Age population, age 00, female, interpolated 122,158 (2025)
- Age population, age 00, male, interpolated 124,999 (2025)
- Age population, age 01, female, interpolated 118,334 (2025)
- Age population, age 01, male, interpolated 120,652 (2025)
- Age population, age 02, female, interpolated 116,120 (2025)
Frequently asked questions
- What is sex ratio by age in Sierra Leone?
- Sex ratio by age in Sierra Leone was 37.5 males per 100 females in 2023, according to UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest sex ratio by age recorded in Sierra Leone?
- The highest recorded value was 50 males per 100 females in 1950.
- What is the lowest sex ratio by age recorded in Sierra Leone?
- The lowest recorded value was 0 males per 100 females in 1952.
- How does Sierra Leone rank for sex ratio by age?
- Sierra Leone ranks 43rd out of 212 countries with data for 2023.
- Is sex ratio by age rising or falling in Sierra Leone?
- Over the last ten years it is up 50.0%. The long-run trend across the full record is volatile.
- Where does this Sierra Leone data come from?
- The figures come from UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Sex ratio by age. Statizoid updates them automatically from the source API.
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About this data
Number of males per 100 females at age 100+.