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Fertility & birth rates in Gambia and Sierra Leone

Updated on by Georank team

The Gambia has an annual birth rate of 30.4 births per 1,000 people, compared to 30.6 for Sierra Leone. The average number of children a woman is expected to have during her lifetime — the fertility rate, is 4.01 in the Gambia and 3.79 in Sierra Leone — 5.37% difference.

1960 vs 2023, the fertility rate has decreased by 35.9% in the Gambia and by 38.6% in Sierra Leone — in 1960, it was 6.25 and 6.18, respectively.

  • The Gambia is ranked 30/196 by birth rate compared to 29/196 for Sierra Leone.
  • The mean age for first-time mothers is 20.7 years in the Gambia, compared to 19.6 years in Sierra Leone.
  • The mean age at childbearing (for all the births, not just the first) is 29.8 in the Gambia — it's 28.5 in Sierra Leone.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 58.1 in the Gambia vs 93.6 in Sierra Leone.
  • In the Gambia, 24.5% of the population is composed of women of reproductive age (15-49), compared to 25.4% in Sierra Leone.

Fertility rate in Gambia vs Sierra Leone by year

Gambia
Sierra Leone
1x
Year Fertility rate
Gambia Sierra Leone
2023 4.01 3.79
2022 4.08 3.88
2021 4.17 3.98
2020 4.25 4.08
2019 4.33 4.19
2018 4.42 4.29
2017 4.61 4.39
2016 4.81 4.47
2015 5 4.55
2014 5.2 4.7
2013 5.39 4.87
2012 5.52 5.06
2011 5.54 5.21
2010 5.56 5.33
2009 5.57 5.45
2008 5.63 5.56
2007 5.69 5.64
2006 5.74 5.74
2005 5.71 5.81
2004 5.68 5.92
2003 5.66 6.09
2002 5.66 6.23
2001 5.67 6.31
2000 5.72 6.36
1999 5.77 6.42
1998 5.82 6.5
1997 5.85 6.53
1996 5.93 6.55
1995 5.99 6.56
1994 6.04 6.56
1993 6.03 6.57
1992 6.11 6.56
1991 6.19 6.55
1990 6.25 6.57
1989 6.25 6.57
1988 6.26 6.59
1987 6.3 6.61
1986 6.34 6.6
1985 6.36 6.59
1984 6.39 6.59
1983 6.39 6.57
1982 6.4 6.56
1981 6.4 6.55
1980 6.41 6.56
1979 6.41 6.58
1978 6.42 6.59
1977 6.43 6.57
1976 6.43 6.55
1975 6.43 6.55
1974 6.42 6.53
1973 6.41 6.47
1972 6.37 6.45
1971 6.33 6.43
1970 6.26 6.41
1969 6.25 6.39
1968 6.22 6.39
1967 6.21 6.38
1966 6.18 6.35
1965 6.19 6.31
1964 6.2 6.29
1963 6.2 6.26
1962 6.21 6.22
1961 6.23 6.21
1960 6.25 6.18

Data sources: World Bank | Health (1960–2023, retrieved 2026-04-06).

GeoRank.org/birth-rate/gambia/sierra-leone | CC BY

According to the latest available data on birth rates, the fertility rate in the Gambia was 4.01 children per woman in 2023, compared to 3.79 in Sierra Leone in 2023. The replacement level is considered to be 2.1 children per woman.

Check the Gambia vs Sierra Leone population clock for a dynamic visualization of the changing population.

Natural population change by year

Gambia
Sierra Leone
1x
Year Natural population change
Gambia Sierra Leone
2023 65,118 188,788
2022 63,634 186,625
2021 62,239 183,326
2020 62,209 181,015
2019 61,701 181,068
2018 60,854 178,772
2017 61,665 173,259
2016 62,358 168,784
2015 62,832 162,275
2014 63,185 160,137
2013 63,510 161,265
2012 62,745 160,915
2011 60,571 158,858
2010 58,554 155,338
2009 56,575 152,669
2008 55,032 149,855
2007 53,653 145,740
2006 52,335 144,127
2005 50,010 137,234
2004 48,276 132,661
2003 46,473 130,312
2002 45,156 126,429
2001 44,154 116,647
2000 43,249 110,754
1999 42,533 102,295
1998 41,842 103,906
1997 40,742 105,433
1996 40,253 104,140
1995 39,681 100,885
1994 38,880 101,486
1993 37,302 103,317
1992 35,951 103,251
1991 34,584 105,477
1990 33,163 100,778
1989 31,504 98,298
1988 29,938 96,344
1987 28,452 94,235
1986 27,195 90,902
1985 25,795 88,869
1984 24,586 87,072
1983 23,175 84,628
1982 21,894 82,457
1981 20,156 80,111
1980 19,566 77,932
1979 18,543 75,992
1978 17,424 74,130
1977 16,773 71,663
1976 16,032 69,506
1975 15,256 67,560
1974 14,628 65,357
1973 14,046 62,443
1972 13,432 60,279
1971 12,842 58,484
1970 12,128 56,513
1969 11,670 54,768
1968 11,215 53,126
1967 10,823 51,734
1966 10,422 49,486
1965 10,162 47,223
1964 9,825 45,487
1963 9,493 43,569
1962 9,150 41,603
1961 8,778 40,022
1960 8,420 38,192

Data sources: World Bank | Health (1960–2023, retrieved 2026-04-06).

GeoRank.org/birth-rate/gambia/sierra-leone | CC BY

The chart above illustrates the comparison of the absolute yearly changes in population resulting from births and deaths.

Excluding migration, the natural population change due to births and deaths from 2022 to 2023 was +2.41% in the Gambia and +2.23% in Sierra Leone.

For the past 10 years, the annual natural population change has been +2.59% in the Gambia and +2.31% in Sierra Leone.

Birth rate in Gambia vs Sierra Leone by year

Gambia
Sierra Leone

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Gambia Sierra Leone
2023 30.4 30.6
2022 30.8 31.1
2021 31.2 31.6
2020 31.5 32.2
2019 31.9 32.8
2018 32.3 33.3
2017 33.5 33.8
2016 34.6 34.2
2015 35.7 34.7
2014 36.9 35.6
2013 38.1 36.6
2012 38.8 37.8
2011 38.8 38.5
2010 38.9 39.1
2009 38.9 39.9
2008 39.2 40.6
2007 39.5 41.1
2006 39.9 41.8
2005 39.7 42
2004 39.7 42.5
2003 39.7 43.5
2002 40 44.3
2001 40.5 44
2000 41.1 45
1999 41.8 46.1
1998 42.5 46.3
1997 43.2 46.3
1996 44.1 46.5
1995 45.1 46.8
1994 45.9 46.8
1993 46.1 46.9
1992 46.6 47
1991 47.2 47.5
1990 47.7 45.5
1989 47.9 46.3
1988 48.1 46.4
1987 48.5 46.6
1986 48.8 46.6
1985 49 46.7
1984 49.3 46.8
1983 49 46.7
1982 48.8 46.8
1981 48.5 46.8
1980 48.2 46.8
1979 47.8 47
1978 47.6 47.2
1977 47.5 47.1
1976 47.4 47.2
1975 47.3 47.3
1974 47.3 47.4
1973 47.5 47.2
1972 47.5 47.2
1971 47.6 47.3
1970 47.4 47.4
1969 47.6 47.5
1968 47.9 47.7
1967 48.2 47.9
1966 48.5 48
1965 49 48
1964 49.4 48.2
1963 49.8 48.2
1962 50 48.1
1961 50.3 48.1
1960 50.4 48

Data sources: World Bank | Health (1960–2023, retrieved 2026-04-06).

GeoRank.org/birth-rate/gambia/sierra-leone | CC BY

The latest reported birth rate per 1,000 people in 2023 was 30.4 in the Gambia and 30.6 in Sierra Leone, compared with 50.4 and 48, respectively, in 1960.

Birth rate data compared

Gambia Sierra Leone
Fertility rate 4.01 3.79
Fertility rate rank 26/196 35/196
Birth rate 30.4 30.6
Birth rate rank 30/196 29/196
Population change due to births and deaths +65,118 +188,788
Natural population change rank 88/196 62/196
Natural population change rate +2.41% +2.23%
Population growth +2.3% +2.15%
Population growth rank 37/197 47/197
Age at first childbirth 20.7 years 19.6 years
Average age at childbearing 29.8 years 28.5 years
Annual births per 1,000 women ages 15-19 52.8 87.7
Annual births per 1,000 women ages 20-29 170.7 169.3
Annual births per 1,000 women ages 30+ 67.5 53.4
Female of reproductive age (15-49), share of population 24.5% 25.4%
Any modern method of contraceptive prevalence among married women ages 15-49 17.1% 20.9%
Share of births attended by skilled health staff 83.8% 86.9%
Maternal mortality per live birth 0.35% 0.35%
Neonatal mortality rate (before reaching 28 days of age) 2.37% 2.93%
Infant mortality rate (before reaching 1 year of age) 3.38% 5.62%
Mortality rate before reaching 5 years of age 4.41% 9.43%
Life expectancy 66.5 years 62.3 years

Children 0-14 years as share of population

Gambia
Factual

UN forecast
Sierra Leone
Factual

UN forecast
1x
Year Young
Gambia Sierra Leone
2100 18.1% 19%
2099 18.2% 19%
2098 18.3% 19.1%
2097 18.4% 19.2%
2096 18.5% 19.3%
2095 18.6% 19.5%
2094 18.7% 19.6%
2093 18.9% 19.7%
2092 19% 19.8%
2091 19.1% 19.9%
2090 19.3% 20%
2089 19.4% 20.1%
2088 19.6% 20.3%
2087 19.7% 20.4%
2086 19.9% 20.5%
2085 20% 20.7%
2084 20.2% 20.8%
2083 20.3% 20.9%
2082 20.5% 21.1%
2081 20.6% 21.2%
2080 20.8% 21.4%
2079 21% 21.6%
2078 21.2% 21.7%
2077 21.3% 21.9%
2076 21.5% 22.1%
2075 21.7% 22.2%
2074 21.9% 22.4%
2073 22.1% 22.6%
2072 22.3% 22.8%
2071 22.6% 23%
2070 22.8% 23.2%
2069 23% 23.4%
2068 23.2% 23.6%
2067 23.5% 23.8%
2066 23.7% 24%
2065 24% 24.3%
2064 24.3% 24.5%
2063 24.5% 24.7%
2062 24.8% 25%
2061 25.1% 25.2%
2060 25.4% 25.5%
2059 25.7% 25.7%
2058 26% 26%
2057 26.3% 26.3%
2056 26.7% 26.6%
2055 27% 26.9%
2054 27.3% 27.1%
2053 27.6% 27.4%
2052 28% 27.7%
2051 28.3% 28.1%
2050 28.6% 28.4%
2049 28.9% 28.7%
2048 29.3% 29%
2047 29.6% 29.3%
2046 30% 29.7%
2045 30.3% 30%
2044 30.7% 30.3%
2043 31.1% 30.7%
2042 31.5% 31.1%
2041 31.9% 31.4%
2040 32.3% 31.8%
2039 32.7% 32.2%
2038 33.2% 32.6%
2037 33.6% 33%
2036 34.1% 33.4%
2035 34.5% 33.8%
2034 35% 34.2%
2033 35.4% 34.6%
2032 35.9% 35%
2031 36.4% 35.4%
2030 37% 35.7%
2029 37.6% 36.1%
2028 38.2% 36.5%
2027 38.9% 37%
2026 39.5% 37.4%
2025 40% 37.9%
2024 40.2% 38.1%
2023 40.7% 38.5%
2022 41.2% 39%
2021 41.6% 39.4%
2020 42% 39.8%
2019 42.4% 40.2%
2018 42.8% 40.6%
2017 43.1% 41%
2016 43.3% 41.4%
2015 43.6% 41.8%
2014 43.7% 42.2%
2013 43.9% 42.5%
2012 44.1% 42.8%
2011 44.3% 43%
2010 44.5% 43.2%
2009 44.8% 43.4%
2008 45.1% 43.5%
2007 45.3% 43.6%
2006 45.6% 43.7%
2005 45.9% 43.8%
2004 46.1% 43.9%
2003 46.4% 43.9%
2002 46.6% 43.9%
2001 46.7% 43.9%
2000 46.8% 43.8%
1999 46.9% 43.7%
1998 46.9% 43.6%
1997 46.9% 43.5%
1996 46.7% 43.5%
1995 46.5% 43.4%
1994 46.3% 43.3%
1993 46% 43.2%
1992 45.9% 43.1%
1991 45.8% 43%
1990 45.7% 42.9%
1989 45.6% 42.9%
1988 45.5% 42.8%
1987 45.4% 42.7%
1986 45.2% 42.6%
1985 45% 42.5%
1984 44.9% 42.3%
1983 44.6% 42.2%
1982 44.3% 42.1%
1981 44% 42%
1980 43.7% 41.9%
1979 43.5% 41.8%
1978 43.3% 41.7%
1977 43% 41.6%
1976 42.8% 41.4%
1975 42.6% 41.3%
1974 42.4% 41.1%
1973 42.3% 40.9%
1972 42.2% 40.7%
1971 42.1% 40.6%
1970 42% 40.3%
1969 41.9% 40.1%
1968 41.8% 39.9%
1967 41.6% 39.6%
1966 41.5% 39.4%
1965 41.3% 39.1%
1964 41% 38.8%
1963 40.8% 38.5%
1962 40.7% 38.3%
1961 40.8% 38.3%
1960 41% 38.2%

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

GeoRank.org/birth-rate/gambia/sierra-leone | CC BY

Children aged 0-14 make up 40.2% of the population in the Gambia and 38.1% in Sierra Leone in 2024, compared to 45.7% and 42.9% respectively in 1990.

Demographics of the Gambia and Sierra Leone compared.

Fertility rates around the globe

1x

Data sources: World Bank | Health (1960–2023, retrieved 2026-04-06).

GeoRank.org/birth-rate/gambia/sierra-leone | CC BY

Maternal mortality chart: Gambia vs Sierra Leone

Gambia
Sierra Leone
1x
Year Maternal mortality per 100K births
Gambia Sierra Leone
2023 354 354
2022 365 370
2021 420 403
2020 400 422
2019 422 464
2018 450 491
2017 469 578
2016 490 633
2015 527 730
2014 561 821
2013 606 842
2012 628 915
2011 634 967
2010 632 1,018
2009 634 1,054
2008 653 1,093
2007 675 1,132
2006 682 1,168
2005 707 1,294
2004 719 1,366
2003 749 1,433
2002 772 1,492
2001 794 1,518
2000 810 1,603
1999 830 1,731
1998 867 1,753
1997 928 1,721
1996 956 1,726
1995 999 1,777
1994 1,039 1,755
1993 1,072 1,696
1992 1,115 1,681
1991 1,167 1,699
1990 1,207 1,572
1989 1,258 1,575
1988 1,302 1,549
1987 1,360 1,533
1986 1,401 1,530
1985 1,454 1,506

Data sources: World Bank | Gender (1985–2023, retrieved 2026-04-06).

GeoRank.org/birth-rate/gambia/sierra-leone | CC BY

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 354 deaths per 100,000 live births in the Gambia, compared to 354 deaths in Sierra Leone.

Under-five mortality rates

Gambia
Sierra Leone

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Gambia Sierra Leone
2023 4.41% 9.43%
2022 4.56% 9.77%
2021 4.72% 10.1%
2020 4.89% 10.5%
2019 5.07% 10.9%
2018 5.27% 11.3%
2017 5.47% 11.8%
2016 5.7% 12.3%
2015 5.93% 13.8%
2014 6.18% 13.7%
2013 6.45% 13.9%
2012 6.73% 14.5%
2011 7.01% 15.2%
2010 7.31% 15.9%
2009 7.64% 16.6%
2008 7.98% 17.3%
2007 8.33% 18.1%
2006 8.71% 18.8%
2005 9.11% 19.4%
2004 9.52% 20.1%
2003 9.95% 20.7%
2002 10.4% 21.3%
2001 10.9% 21.8%
2000 11.3% 22.4%
1999 11.8% 22.9%
1998 12.3% 23.4%
1997 12.8% 23.9%
1996 13.3% 24.3%
1995 13.9% 24.7%
1994 14.4% 25%
1993 14.9% 25.3%
1992 15.5% 25.5%
1991 16% 25.7%
1990 16.6% 25.9%
1989 17.2% 26.2%
1988 17.8% 26.4%
1987 18.4% 26.6%
1986 19.1% 26.9%
1985 19.7% 27.2%
1984 20.4% 27.5%
1983 21% 27.8%
1982 21.7% 28.1%
1981 22.3% 28.5%
1980 23% 28.9%
1979 23.6% 29.2%
1978 24.2% 29.6%
1977 24.9% 30%
1976 25.5% 30.5%
1975 26.2% 30.9%
1974 26.9% 31.4%
1973 27.5% 31.9%
1972 28.2% 32.3%
1971 28.9% 32.9%
1970 29.5% 33.4%
1969 30.2% 33.9%
1968 30.9% 34.5%
1967 31.5% 35%
1966 32.1% 35.6%
1965 32.8% 36.2%
1964 33.5% 36.8%
1963 34.1% 37.4%
1962 34.8% 38%
1961 35.5% 38.5%
1960 36.2% 39.1%

Data sources: World Bank | Health (1960–2023, retrieved 2026-04-06).

GeoRank.org/birth-rate/gambia/sierra-leone | CC BY

The chance that a newborn baby will die before reaching age five is 4.41% in the Gambia and 9.43% in Sierra Leone. Above is a chart with historical data on under-five mortality rates.

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Data sources:

  1. World Bank | Health (1960–2024, retrieved 2026-04-06)
  2. United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10)
  3. Central Intelligence Agency (CIA) (2025, retrieved 2026-02-20)

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