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Sierra Leone Demographics: Median age, Gender, Religion

Updated on by Georank team

With a population of 8.64M people, Sierra Leone has a median age of 20.5 years which makes it the 161/196 oldest country. 38.1% of the demographic are children 0-14 years old, 58.7% are working-age people aged 15-64, and 3.24% are older population aged 65+ years.

Median age in Sierra Leone, 1960–2100

Median age
Factual

UN forecast
Rank
Factual

UN forecast
1x
Year Median age, years Rank
2100 38.3 149
2099 38.1 149
2098 38 149
2097 37.8 148
2096 37.7 148
2095 37.5 149
2094 37.3 149
2093 37.2 149
2092 37 149
2091 36.8 150
2090 36.7 149
2089 36.5 149
2088 36.3 149
2087 36.1 148
2086 35.9 148
2085 35.8 148
2084 35.6 148
2083 35.4 148
2082 35.2 149
2081 35 149
2080 34.8 149
2079 34.5 150
2078 34.3 149
2077 34.1 149
2076 33.9 149
2075 33.7 150
2074 33.4 150
2073 33.2 150
2072 33 150
2071 32.7 150
2070 32.5 150
2069 32.2 149
2068 32 150
2067 31.8 149
2066 31.5 149
2065 31.3 149
2064 31 150
2063 30.7 150
2062 30.5 150
2061 30.2 150
2060 30 150
2059 29.7 151
2058 29.4 152
2057 29.1 151
2056 28.9 151
2055 28.6 151
2054 28.3 151
2053 28 152
2052 27.8 152
2051 27.5 153
2050 27.2 153
2049 26.9 153
2048 26.6 155
2047 26.4 155
2046 26.1 155
2045 25.8 155
2044 25.5 156
2043 25.2 156
2042 25 156
2041 24.7 157
2040 24.4 157
2039 24.2 157
2038 23.9 157
2037 23.7 157
2036 23.4 158
2035 23.1 159
2034 22.8 159
2033 22.6 159
2032 22.3 160
2031 22 159
2030 21.8 160
2029 21.5 161
2028 21.3 161
2027 21.1 161
2026 20.8 161
2025 20.6 162
2024 20.5 161
2023 20.3 161
2022 20 161
2021 19.8 161
2020 19.6 161
2019 19.4 162
2018 19.2 163
2017 19.1 164
2016 18.9 165
2015 18.7 164
2014 18.6 166
2013 18.5 168
2012 18.4 168
2011 18.3 167
2010 18.2 168
2009 18.1 167
2008 18.1 166
2007 18 165
2006 18 164
2005 18 164
2004 17.9 165
2003 17.9 165
2002 17.9 163
2001 18 160
2000 18 157
1999 18 153
1998 18.1 146
1997 18.1 141
1996 18.2 142
1995 18.2 140
1994 18.3 138
1993 18.4 138
1992 18.4 137
1991 18.5 134
1990 18.5 132
1989 18.6 128
1988 18.6 124
1987 18.7 122
1986 18.7 119
1985 18.8 119
1984 18.9 118
1983 18.9 115
1982 19 110
1981 19.1 108
1980 19.1 102
1979 19.2 100
1978 19.3 92
1977 19.4 86
1976 19.5 82
1975 19.6 80
1974 19.8 74
1973 19.9 70
1972 20.1 69
1971 20.2 66
1970 20.4 65
1969 20.6 63
1968 20.7 63
1967 20.8 64
1966 20.9 64
1965 20.9 66
1964 21 68
1963 21 68
1962 21.1 68
1961 21.1 71
1960 21.1 73

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06); United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10).

GeoRank.org/demographics/sierra-leone | CC BY

In 1960, the median age in Sierra Leone was 21.1 years compared to the world's average of 22.5 years. As of 2024, the median age had decreased to 20.5 years, compared with the average of 31.6 years in other countries. Ranked 73rd for median age 64 years ago (old to young), Sierra Leone ranks 161st currently.

According to the United Nations projections, the median age in Sierra Leone is expected to increase to 38.3 years by 2100. The aging demographics forecast is based on previous years' birth rates and increasing life expectancy.

Sierra Leone demographic data

Sierra Leone Rank
Population
9049533
102/197
Median age 20.5 years 161/196
Average age 24.4 years 164/196
Age dependency ratio 70.4% 42/196
Young-age dependency ratio 64.9% 38/196
Old-age dependency ratio 5.53% 166/196
Male:Female ratio 49.9:50.1 N/A
Population density 124.7 ppl/mi² 77/197
Fertility rate 3.79 35/196
Life expectancy 62.3 years 186/197

Demographic pyramid: age and gender distribution

Sierra Leone
Male

Female
Age range Share of population
Sierra Leone
Male Female
80+ 0.15% 0.22%
75-79 0.24% 0.31%
70-74 0.4% 0.51%
65-69 0.65% 0.77%
60-64 0.94% 1.05%
55-59 1.25% 1.34%
50-54 1.59% 1.66%
45-49 1.99% 2.03%
40-44 2.45% 2.45%
35-39 2.96% 2.95%
30-34 3.52% 3.5%
25-29 4.17% 4.17%
20-24 4.9% 4.84%
15-19 5.48% 5.41%
10-14 6.01% 5.94%
5-9 6.32% 6.24%
0-4 6.85% 6.72%

Data sources: World Bank | Health (2024, retrieved 2026-04-06).

GeoRank.org/demographics/sierra-leone | CC BY

The chart above is a variation of the population pyramid and represents the age and gender structure. Sierra Leone has average demographic potential with 74.1% of people in the 0-34 age group (ranked 32/196).

Working-age demographic by year

Sierra Leone
Factual

UN forecast
World
Factual

UN forecast
1x
Year Working age share
Sierra Leone World
2100 65.6% 59.6%
2099 65.7% 59.6%
2098 65.8% 59.7%
2097 65.9% 59.7%
2096 66% 59.7%
2095 66% 59.7%
2094 66.1% 59.7%
2093 66.2% 59.8%
2092 66.3% 59.8%
2091 66.4% 59.8%
2090 66.4% 59.8%
2089 66.5% 59.8%
2088 66.6% 59.8%
2087 66.7% 59.8%
2086 66.7% 59.8%
2085 66.8% 59.9%
2084 66.9% 59.9%
2083 66.9% 60%
2082 67% 60.1%
2081 67% 60.3%
2080 67.1% 60.4%
2079 67.1% 60.6%
2078 67.2% 60.7%
2077 67.3% 60.9%
2076 67.3% 61%
2075 67.4% 61.1%
2074 67.5% 61.3%
2073 67.5% 61.4%
2072 67.6% 61.5%
2071 67.6% 61.6%
2070 67.6% 61.7%
2069 67.6% 61.8%
2068 67.7% 61.9%
2067 67.7% 62%
2066 67.7% 62%
2065 67.7% 62.1%
2064 67.7% 62.1%
2063 67.6% 62.1%
2062 67.6% 62.2%
2061 67.6% 62.2%
2060 67.5% 62.3%
2059 67.4% 62.3%
2058 67.3% 62.4%
2057 67.2% 62.4%
2056 67.1% 62.5%
2055 67% 62.7%
2054 66.8% 62.8%
2053 66.7% 62.9%
2052 66.5% 63.1%
2051 66.4% 63.2%
2050 66.2% 63.4%
2049 66% 63.5%
2048 65.8% 63.6%
2047 65.6% 63.8%
2046 65.4% 63.9%
2045 65.2% 64%
2044 65% 64.1%
2043 64.7% 64.2%
2042 64.5% 64.3%
2041 64.2% 64.4%
2040 63.9% 64.5%
2039 63.6% 64.7%
2038 63.3% 64.8%
2037 63% 64.9%
2036 62.7% 65.1%
2035 62.4% 65.2%
2034 62% 65.3%
2033 61.7% 65.4%
2032 61.4% 65.4%
2031 61.1% 65.4%
2030 60.7% 65.4%
2029 60.4% 65.4%
2028 60.1% 65.4%
2027 59.7% 65.4%
2026 59.3% 65.2%
2025 58.9% 65.1%
2024 58.7% 65.1%
2023 58.3% 65%
2022 57.8% 64.9%
2021 57.4% 64.9%
2020 57% 64.8%
2019 56.7% 64.9%
2018 56.3% 64.9%
2017 55.8% 65%
2016 55.4% 65.1%
2015 55% 65.1%
2014 54.6% 65.2%
2013 54.2% 65.2%
2012 53.9% 65.2%
2011 53.7% 65.2%
2010 53.5% 65.1%
2009 53.3% 65%
2008 53.2% 64.9%
2007 53% 64.7%
2006 52.9% 64.5%
2005 52.8% 64.3%
2004 52.7% 64%
2003 52.6% 63.7%
2002 52.6% 63.4%
2001 52.6% 63.1%
2000 52.6% 62.8%
1999 52.7% 62.5%
1998 52.7% 62.2%
1997 52.8% 61.9%
1996 52.8% 61.7%
1995 52.9% 61.5%
1994 52.9% 61.3%
1993 53% 61.2%
1992 53% 61.1%
1991 53.1% 61%
1990 53.1% 60.9%
1989 53.2% 60.8%
1988 53.2% 60.7%
1987 53.3% 60.5%
1986 53.4% 60.4%
1985 53.5% 60.1%
1984 53.6% 59.9%
1983 53.7% 59.6%
1982 53.7% 59.3%
1981 53.8% 59%
1980 53.9% 58.7%
1979 54% 58.4%
1978 54.1% 58%
1977 54.3% 57.7%
1976 54.4% 57.5%
1975 54.6% 57.4%
1974 54.7% 57.3%
1973 54.9% 57.3%
1972 55.1% 57.2%
1971 55.3% 57.1%
1970 55.5% 57%
1969 55.8% 56.9%
1968 56% 56.9%
1967 56.3% 56.9%
1966 56.6% 56.8%
1965 56.9% 56.9%
1964 57.2% 57%
1963 57.6% 57.2%
1962 57.8% 57.4%
1961 57.9% 57.5%
1960 58% 57.6%

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06); United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10).

GeoRank.org/demographics/sierra-leone | CC BY

The share of working-age demographics aged 15-64 in Sierra Leone changed from 52.7% to 58.7% between 2004 and 2024.

Age dependency by year

Age dependency
Young
Old
1x
Year Age dependency ratio
Total Young Old
2024 70.4% 64.9% 5.53%
2023 71.6% 66.1% 5.5%
2022 72.9% 67.4% 5.49%
2021 74.1% 68.6% 5.49%
2020 75.3% 69.8% 5.51%
2019 76.5% 70.9% 5.53%
2018 77.7% 72.2% 5.56%
2017 79.1% 73.5% 5.61%
2016 80.4% 74.8% 5.67%
2015 81.8% 76% 5.73%
2014 83.1% 77.3% 5.83%
2013 84.3% 78.4% 5.95%
2012 85.4% 79.3% 6.03%
2011 86.2% 80.1% 6.09%
2010 86.9% 80.7% 6.14%
2009 87.5% 81.3% 6.18%
2008 88% 81.8% 6.22%
2007 88.5% 82.2% 6.28%
2006 89% 82.6% 6.34%
2005 89.4% 83% 6.4%
2004 89.7% 83.2% 6.46%
2003 89.9% 83.4% 6.53%
2002 90% 83.5% 6.59%
2001 90.1% 83.4% 6.66%
2000 90% 83.3% 6.73%
1999 89.9% 83.1% 6.8%
1998 89.6% 82.7% 6.87%
1997 89.4% 82.5% 6.95%
1996 89.3% 82.3% 7.02%
1995 89.1% 82% 7.09%
1994 88.9% 81.8% 7.17%
1993 88.7% 81.5% 7.23%
1992 88.6% 81.3% 7.3%
1991 88.4% 81% 7.36%
1990 88.2% 80.8% 7.41%
1989 88.1% 80.6% 7.46%
1988 87.9% 80.4% 7.5%
1987 87.6% 80% 7.54%
1986 87.3% 79.7% 7.57%
1985 87% 79.4% 7.6%
1984 86.7% 79.1% 7.62%
1983 86.4% 78.7% 7.64%
1982 86.1% 78.4% 7.66%
1981 85.7% 78.1% 7.67%
1980 85.4% 77.7% 7.67%
1979 85.1% 77.4% 7.68%
1978 84.7% 77% 7.67%
1977 84.3% 76.6% 7.66%
1976 83.8% 76.2% 7.65%
1975 83.3% 75.7% 7.63%
1974 82.7% 75.1% 7.61%
1973 82.1% 74.5% 7.57%
1972 81.5% 73.9% 7.54%
1971 80.8% 73.3% 7.49%
1970 80.1% 72.7% 7.44%
1969 79.3% 72% 7.38%
1968 78.5% 71.2% 7.31%
1967 77.6% 70.4% 7.23%
1966 76.7% 69.6% 7.15%
1965 75.9% 68.8% 7.07%
1964 74.8% 67.9% 6.97%
1963 73.7% 66.9% 6.87%
1962 73.1% 66.3% 6.77%
1961 72.8% 66.1% 6.68%
1960 72.5% 66% 6.59%

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06).

GeoRank.org/demographics/sierra-leone | CC BY

Age dependency is the ratio of people not in the labor force (children under 15 and adults 64+) to people aged 15 to 64. Age dependency in Sierra Leone decreased from 89.7% to 70.4% between 2004 and 2024 with a decreased share of children and an decreased proportion of people aged 65+

Share of young demographic (0-14 years) by year

Sierra Leone
Factual

UN forecast
World
Factual

UN forecast
1x
Year Share of 0-14
Sierra Leone World
2100 19% 16.5%
2099 19% 16.6%
2098 19.1% 16.6%
2097 19.2% 16.7%
2096 19.3% 16.8%
2095 19.5% 16.8%
2094 19.6% 16.9%
2093 19.7% 17%
2092 19.8% 17%
2091 19.9% 17.1%
2090 20% 17.2%
2089 20.1% 17.2%
2088 20.3% 17.3%
2087 20.4% 17.4%
2086 20.5% 17.4%
2085 20.7% 17.5%
2084 20.8% 17.5%
2083 20.9% 17.6%
2082 21.1% 17.7%
2081 21.2% 17.7%
2080 21.4% 17.8%
2079 21.6% 17.8%
2078 21.7% 17.9%
2077 21.9% 17.9%
2076 22.1% 18%
2075 22.2% 18%
2074 22.4% 18.1%
2073 22.6% 18.2%
2072 22.8% 18.2%
2071 23% 18.3%
2070 23.2% 18.3%
2069 23.4% 18.4%
2068 23.6% 18.5%
2067 23.8% 18.6%
2066 24% 18.6%
2065 24.3% 18.7%
2064 24.5% 18.8%
2063 24.7% 18.9%
2062 25% 19.1%
2061 25.2% 19.2%
2060 25.5% 19.3%
2059 25.7% 19.4%
2058 26% 19.5%
2057 26.3% 19.6%
2056 26.6% 19.8%
2055 26.9% 19.9%
2054 27.1% 20%
2053 27.4% 20.1%
2052 27.7% 20.2%
2051 28.1% 20.3%
2050 28.4% 20.4%
2049 28.7% 20.5%
2048 29% 20.6%
2047 29.3% 20.7%
2046 29.7% 20.8%
2045 30% 20.9%
2044 30.3% 20.9%
2043 30.7% 21%
2042 31.1% 21.1%
2041 31.4% 21.2%
2040 31.8% 21.2%
2039 32.2% 21.3%
2038 32.6% 21.4%
2037 33% 21.5%
2036 33.4% 21.6%
2035 33.8% 21.8%
2034 34.2% 22%
2033 34.6% 22.2%
2032 35% 22.4%
2031 35.4% 22.7%
2030 35.7% 23%
2029 36.1% 23.3%
2028 36.5% 23.6%
2027 37% 23.9%
2026 37.4% 24.2%
2025 37.9% 24.6%
2024 38.1% 24.7%
2023 38.5% 25%
2022 39% 25.3%
2021 39.4% 25.6%
2020 39.8% 25.8%
2019 40.2% 26%
2018 40.6% 26.2%
2017 41% 26.4%
2016 41.4% 26.5%
2015 41.8% 26.6%
2014 42.2% 26.8%
2013 42.5% 26.9%
2012 42.8% 27%
2011 43% 27.1%
2010 43.2% 27.3%
2009 43.4% 27.5%
2008 43.5% 27.6%
2007 43.6% 27.9%
2006 43.7% 28.1%
2005 43.8% 28.5%
2004 43.9% 28.8%
2003 43.9% 29.2%
2002 43.9% 29.6%
2001 43.9% 30%
2000 43.8% 30.4%
1999 43.7% 30.8%
1998 43.6% 31.1%
1997 43.5% 31.5%
1996 43.5% 31.8%
1995 43.4% 32.1%
1994 43.3% 32.3%
1993 43.2% 32.5%
1992 43.1% 32.7%
1991 43% 32.9%
1990 42.9% 33%
1989 42.9% 33.2%
1988 42.8% 33.4%
1987 42.7% 33.6%
1986 42.6% 33.8%
1985 42.5% 34%
1984 42.3% 34.3%
1983 42.2% 34.6%
1982 42.1% 34.9%
1981 42% 35.2%
1980 41.9% 35.5%
1979 41.8% 35.9%
1978 41.7% 36.3%
1977 41.6% 36.7%
1976 41.4% 36.9%
1975 41.3% 37.1%
1974 41.1% 37.2%
1973 40.9% 37.3%
1972 40.7% 37.5%
1971 40.6% 37.6%
1970 40.3% 37.7%
1969 40.1% 37.8%
1968 39.9% 37.9%
1967 39.6% 38%
1966 39.4% 38%
1965 39.1% 38%
1964 38.8% 38%
1963 38.5% 37.8%
1962 38.3% 37.6%
1961 38.3% 37.5%
1960 38.2% 37.4%

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06); United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10).

GeoRank.org/demographics/sierra-leone | CC BY

The share of children aged 0-14 in Sierra Leone decreased from 43.9% to 38.1% between 2004 and 2024 due to changes in birth rates.

Share of old population (65+) by year

Sierra Leone
Factual

UN forecast
World
Factual

UN forecast
1x
Year Share of 65+ years old
Sierra Leone World
2100 15.4% 23.9%
2099 15.2% 23.8%
2098 15% 23.7%
2097 14.9% 23.6%
2096 14.7% 23.5%
2095 14.5% 23.4%
2094 14.3% 23.4%
2093 14.1% 23.3%
2092 13.9% 23.2%
2091 13.8% 23.1%
2090 13.6% 23.1%
2089 13.4% 23%
2088 13.2% 22.9%
2087 13% 22.8%
2086 12.7% 22.7%
2085 12.5% 22.6%
2084 12.3% 22.5%
2083 12.1% 22.4%
2082 11.9% 22.2%
2081 11.7% 22%
2080 11.5% 21.8%
2079 11.3% 21.6%
2078 11.1% 21.4%
2077 10.8% 21.2%
2076 10.6% 21%
2075 10.4% 20.8%
2074 10.1% 20.6%
2073 9.88% 20.4%
2072 9.65% 20.3%
2071 9.42% 20.1%
2070 9.2% 19.9%
2069 8.98% 19.8%
2068 8.75% 19.6%
2067 8.52% 19.5%
2066 8.29% 19.3%
2065 8.07% 19.2%
2064 7.85% 19.1%
2063 7.63% 18.9%
2062 7.42% 18.8%
2061 7.22% 18.6%
2060 7.04% 18.5%
2059 6.85% 18.3%
2058 6.67% 18.1%
2057 6.49% 17.9%
2056 6.33% 17.7%
2055 6.17% 17.5%
2054 6.01% 17.2%
2053 5.86% 17%
2052 5.71% 16.7%
2051 5.57% 16.4%
2050 5.43% 16.2%
2049 5.29% 16%
2048 5.16% 15.8%
2047 5.03% 15.5%
2046 4.92% 15.3%
2045 4.8% 15.1%
2044 4.69% 14.9%
2043 4.58% 14.8%
2042 4.48% 14.6%
2041 4.38% 14.4%
2040 4.29% 14.2%
2039 4.19% 14%
2038 4.11% 13.8%
2037 4.03% 13.5%
2036 3.95% 13.3%
2035 3.87% 13%
2034 3.8% 12.7%
2033 3.72% 12.4%
2032 3.65% 12.2%
2031 3.59% 11.9%
2030 3.52% 11.6%
2029 3.46% 11.3%
2028 3.41% 11%
2027 3.35% 10.7%
2026 3.31% 10.5%
2025 3.26% 10.3%
2024 3.24% 10.2%
2023 3.21% 9.98%
2022 3.18% 9.74%
2021 3.15% 9.53%
2020 3.14% 9.33%
2019 3.14% 9.1%
2018 3.13% 8.88%
2017 3.13% 8.65%
2016 3.14% 8.45%
2015 3.15% 8.26%
2014 3.19% 8.08%
2013 3.23% 7.92%
2012 3.26% 7.78%
2011 3.27% 7.66%
2010 3.28% 7.58%
2009 3.3% 7.52%
2008 3.31% 7.47%
2007 3.33% 7.41%
2006 3.35% 7.34%
2005 3.38% 7.26%
2004 3.41% 7.18%
2003 3.44% 7.1%
2002 3.47% 7.01%
2001 3.5% 6.92%
2000 3.54% 6.84%
1999 3.58% 6.76%
1998 3.62% 6.68%
1997 3.67% 6.61%
1996 3.71% 6.53%
1995 3.75% 6.45%
1994 3.79% 6.37%
1993 3.83% 6.29%
1992 3.87% 6.21%
1991 3.91% 6.14%
1990 3.94% 6.07%
1989 3.97% 6.01%
1988 3.99% 5.95%
1987 4.02% 5.91%
1986 4.04% 5.86%
1985 4.06% 5.82%
1984 4.08% 5.8%
1983 4.1% 5.79%
1982 4.12% 5.8%
1981 4.13% 5.81%
1980 4.14% 5.81%
1979 4.15% 5.77%
1978 4.15% 5.71%
1977 4.16% 5.65%
1976 4.16% 5.59%
1975 4.16% 5.53%
1974 4.16% 5.47%
1973 4.16% 5.42%
1972 4.15% 5.37%
1971 4.14% 5.32%
1970 4.13% 5.28%
1969 4.11% 5.24%
1968 4.09% 5.2%
1967 4.07% 5.16%
1966 4.05% 5.12%
1965 4.02% 5.08%
1964 3.99% 5.04%
1963 3.95% 5.02%
1962 3.91% 5.01%
1961 3.87% 4.99%
1960 3.82% 4.97%

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06); United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10).

GeoRank.org/demographics/sierra-leone | CC BY

The share of older people aged 65 and over in Sierra Leone decreased from 3.41% to 3.24% between 2004 and 2024.

Religion demographics

Sierra Leone
Religion Share of population
Islam 80.1%
Christianity 19.8%
Atheism 0.01%
Hinduism 0.01%
All other 0.002%

Median age map

1x

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06); U.S. Census Bureau (1960–2024, retrieved 2026-02-08).

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Data sources:

  1. World Bank | Health (1960–2024, retrieved 2026-04-06)
  2. United Nations | World Population Prospects (1950–2100, retrieved 2026-03-10)
  3. U.S. Census Bureau (1960–2024, retrieved 2026-02-08)
  4. Pew Research Center (2020, retrieved 2026-02-08)

Creative Commons Attribution (CC BY) — you’re free to copy, share, remix, adapt, and use even commercially as long as you give appropriate credit and clearly indicate if you made changes. Other sources may be subject to different license terms.