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Fertility & birth rates in Gambia and Guinea-Bissau

Updated on by Georank team

The Gambia has an annual birth rate of 30.4 births per 1,000 people, compared to 30 for Guinea-Bissau. The average number of children a woman is expected to have during her lifetime — the fertility rate, is 4.01 in the Gambia and 3.84 in Guinea-Bissau — 4.24% difference.

1960 vs 2023, the fertility rate has decreased by 35.9% in the Gambia and by 35.2% in Guinea-Bissau — in 1960, it was 6.25 and 5.92, respectively.

  • The Gambia is ranked 30/196 by birth rate compared to 32/196 for Guinea-Bissau.
  • The mean age at childbearing (for all the births, not just the first) is 29.8 in the Gambia — it's 29.4 in Guinea-Bissau.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 58.1 in the Gambia vs 82 in Guinea-Bissau.
  • In the Gambia, 24.5% of the population is composed of women of reproductive age (15-49), compared to 25.5% in Guinea-Bissau.

Fertility rate in Gambia vs Guinea-Bissau by year

Gambia
Guinea-Bissau
1x
Year Fertility rate
Gambia Guinea-Bissau
2023 4.01 3.84
2022 4.08 3.91
2021 4.17 4
2020 4.25 4.08
2019 4.33 4.15
2018 4.42 4.24
2017 4.61 4.35
2016 4.81 4.52
2015 5 4.66
2014 5.2 4.79
2013 5.39 4.93
2012 5.52 5
2011 5.54 5.07
2010 5.56 5.11
2009 5.57 5.18
2008 5.63 5.27
2007 5.69 5.37
2006 5.74 5.41
2005 5.71 5.46
2004 5.68 5.5
2003 5.66 5.58
2002 5.66 5.63
2001 5.67 5.69
2000 5.72 5.79
1999 5.77 5.87
1998 5.82 5.97
1997 5.85 6.06
1996 5.93 6.14
1995 5.99 6.22
1994 6.04 6.3
1993 6.03 6.37
1992 6.11 6.44
1991 6.19 6.47
1990 6.25 6.5
1989 6.25 6.66
1988 6.26 6.69
1987 6.3 6.72
1986 6.34 6.73
1985 6.36 6.74
1984 6.39 6.73
1983 6.39 6.69
1982 6.4 6.64
1981 6.4 6.57
1980 6.41 6.49
1979 6.41 6.4
1978 6.42 6.32
1977 6.43 6.25
1976 6.43 6.19
1975 6.43 6.15
1974 6.42 6.12
1973 6.41 6.1
1972 6.37 6.08
1971 6.33 6.06
1970 6.26 6.04
1969 6.25 6.02
1968 6.22 6.01
1967 6.21 5.99
1966 6.18 5.98
1965 6.19 5.97
1964 6.2 5.96
1963 6.2 5.95
1962 6.21 5.94
1961 6.23 5.93
1960 6.25 5.92

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

GeoRank.org/birth-rate/gambia/guinea-bissau | 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 3.84 in Guinea-Bissau in 2023. The replacement level is considered to be 2.1 children per woman.

Check the Gambia vs Guinea-Bissau population clock for a dynamic visualization of the changing population.

Natural population change by year

Gambia
Guinea-Bissau
1x
Year Natural population change
Gambia Guinea-Bissau
2023 65,118 49,498
2022 63,634 48,920
2021 62,239 47,242
2020 62,209 46,718
2019 61,701 47,196
2018 60,854 46,659
2017 61,665 46,318
2016 62,358 46,814
2015 62,832 46,846
2014 63,185 46,615
2013 63,510 46,472
2012 62,745 45,480
2011 60,571 44,405
2010 58,554 43,067
2009 56,575 41,950
2008 55,032 40,841
2007 53,653 40,288
2006 52,335 38,886
2005 50,010 37,347
2004 48,276 36,495
2003 46,473 35,649
2002 45,156 34,561
2001 44,154 33,461
2000 43,249 32,816
1999 42,533 30,916
1998 41,842 30,390
1997 40,742 29,792
1996 40,253 29,778
1995 39,681 29,142
1994 38,880 27,895
1993 37,302 26,943
1992 35,951 25,747
1991 34,584 24,527
1990 33,163 23,936
1989 31,504 24,286
1988 29,938 23,940
1987 28,452 23,549
1986 27,195 23,301
1985 25,795 23,116
1984 24,586 22,861
1983 23,175 22,542
1982 21,894 22,131
1981 20,156 21,611
1980 19,566 21,024
1979 18,543 19,736
1978 17,424 17,468
1977 16,773 15,484
1976 16,032 13,688
1975 15,256 11,998
1974 14,628 10,321
1973 14,046 8,430
1972 13,432 7,911
1971 12,842 8,183
1970 12,128 7,632
1969 11,670 7,857
1968 11,215 7,289
1967 10,823 6,742
1966 10,422 6,955
1965 10,162 7,789
1964 9,825 8,989
1963 9,493 9,190
1962 9,150 10,662
1961 8,778 10,756
1960 8,420 10,618

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

GeoRank.org/birth-rate/gambia/guinea-bissau | 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 +2.3% in Guinea-Bissau.

For the past 10 years, the annual natural population change has been +2.59% in the Gambia and +2.44% in Guinea-Bissau.

Birth rate in Gambia vs Guinea-Bissau by year

Gambia
Guinea-Bissau

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Gambia Guinea-Bissau
2023 30.4 30
2022 30.8 30.5
2021 31.2 31
2020 31.5 31.4
2019 31.9 31.8
2018 32.3 32.4
2017 33.5 33
2016 34.6 34.2
2015 35.7 35.2
2014 36.9 36.1
2013 38.1 37.1
2012 38.8 37.6
2011 38.8 38
2010 38.9 38.3
2009 38.9 38.7
2008 39.2 39.3
2007 39.5 40
2006 39.9 40.3
2005 39.7 40.6
2004 39.7 40.8
2003 39.7 41.3
2002 40 41.6
2001 40.5 41.8
2000 41.1 42.3
1999 41.8 42.7
1998 42.5 43.2
1997 43.2 43.6
1996 44.1 43.9
1995 45.1 44.3
1994 45.9 44.5
1993 46.1 44.6
1992 46.6 44.8
1991 47.2 44.9
1990 47.7 45.3
1989 47.9 46.5
1988 48.1 46.8
1987 48.5 47.2
1986 48.8 47.7
1985 49 48.1
1984 49.3 48.4
1983 49 48.7
1982 48.8 48.8
1981 48.5 48.8
1980 48.2 48.6
1979 47.8 47.8
1978 47.6 45.3
1977 47.5 44
1976 47.4 42.5
1975 47.3 40.8
1974 47.3 38.8
1973 47.5 39.1
1972 47.5 38.6
1971 47.6 39.5
1970 47.4 38.6
1969 47.6 39.6
1968 47.9 38.8
1967 48.2 38.6
1966 48.5 40
1965 49 41.9
1964 49.4 44
1963 49.8 44.1
1962 50 44.6
1961 50.3 45.2
1960 50.4 45.4

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

GeoRank.org/birth-rate/gambia/guinea-bissau | CC BY

The latest reported birth rate per 1,000 people in 2023 was 30.4 in the Gambia and 30 in Guinea-Bissau, compared with 50.4 and 45.4, respectively, in 1960.

Birth rate data compared

Gambia Guinea-Bissau
Fertility rate 4.01 3.84
Fertility rate rank 26/196 32/196
Birth rate 30.4 30
Birth rate rank 30/196 32/196
Population change due to births and deaths +65,118 +49,498
Natural population change rank 88/196 95/196
Natural population change rate +2.41% +2.3%
Population growth +2.3% +2.23%
Population growth rank 37/197 42/197
Age at first childbirth 20.7 years n/a
Average age at childbearing 29.8 years 29.4 years
Annual births per 1,000 women ages 15-19 52.8 78.1
Annual births per 1,000 women ages 20-29 170.7 164.4
Annual births per 1,000 women ages 30+ 67.5 58.1
Female of reproductive age (15-49), share of population 24.5% 25.5%
Any modern method of contraceptive prevalence among married women ages 15-49 17.1% 20.2%
Share of births attended by skilled health staff 83.8% 53.8%
Maternal mortality per live birth 0.35% 0.51%
Neonatal mortality rate (before reaching 28 days of age) 2.37% 3.27%
Infant mortality rate (before reaching 1 year of age) 3.38% 4.31%
Mortality rate before reaching 5 years of age 4.41% 6.93%
Life expectancy 66.5 years 64.6 years

Children 0-14 years as share of population

Gambia
Factual

UN forecast
Guinea-Bissau
Factual

UN forecast
1x
Year Young
Gambia Guinea-Bissau
2100 18.1% 19.7%
2099 18.2% 19.8%
2098 18.3% 19.9%
2097 18.4% 20%
2096 18.5% 20.2%
2095 18.6% 20.3%
2094 18.7% 20.4%
2093 18.9% 20.5%
2092 19% 20.6%
2091 19.1% 20.8%
2090 19.3% 20.9%
2089 19.4% 21%
2088 19.6% 21.2%
2087 19.7% 21.3%
2086 19.9% 21.5%
2085 20% 21.6%
2084 20.2% 21.8%
2083 20.3% 21.9%
2082 20.5% 22.1%
2081 20.6% 22.2%
2080 20.8% 22.4%
2079 21% 22.6%
2078 21.2% 22.7%
2077 21.3% 22.9%
2076 21.5% 23.1%
2075 21.7% 23.3%
2074 21.9% 23.4%
2073 22.1% 23.6%
2072 22.3% 23.8%
2071 22.6% 24%
2070 22.8% 24.2%
2069 23% 24.4%
2068 23.2% 24.6%
2067 23.5% 24.8%
2066 23.7% 25.1%
2065 24% 25.3%
2064 24.3% 25.5%
2063 24.5% 25.7%
2062 24.8% 26%
2061 25.1% 26.2%
2060 25.4% 26.5%
2059 25.7% 26.7%
2058 26% 27%
2057 26.3% 27.3%
2056 26.7% 27.5%
2055 27% 27.8%
2054 27.3% 28.1%
2053 27.6% 28.4%
2052 28% 28.7%
2051 28.3% 29%
2050 28.6% 29.3%
2049 28.9% 29.6%
2048 29.3% 29.9%
2047 29.6% 30.2%
2046 30% 30.5%
2045 30.3% 30.9%
2044 30.7% 31.2%
2043 31.1% 31.5%
2042 31.5% 31.9%
2041 31.9% 32.2%
2040 32.3% 32.5%
2039 32.7% 32.9%
2038 33.2% 33.2%
2037 33.6% 33.6%
2036 34.1% 33.9%
2035 34.5% 34.3%
2034 35% 34.6%
2033 35.4% 35%
2032 35.9% 35.3%
2031 36.4% 35.7%
2030 37% 36.2%
2029 37.6% 36.6%
2028 38.2% 37.1%
2027 38.9% 37.6%
2026 39.5% 38.1%
2025 40% 38.6%
2024 40.2% 38.8%
2023 40.7% 39.2%
2022 41.2% 39.7%
2021 41.6% 40.1%
2020 42% 40.5%
2019 42.4% 40.9%
2018 42.8% 41.3%
2017 43.1% 41.7%
2016 43.3% 42%
2015 43.6% 42.2%
2014 43.7% 42.5%
2013 43.9% 42.7%
2012 44.1% 42.8%
2011 44.3% 43%
2010 44.5% 43.2%
2009 44.8% 43.3%
2008 45.1% 43.5%
2007 45.3% 43.6%
2006 45.6% 43.8%
2005 45.9% 43.9%
2004 46.1% 44%
2003 46.4% 44.2%
2002 46.6% 44.3%
2001 46.7% 44.5%
2000 46.8% 44.7%
1999 46.9% 44.8%
1998 46.9% 45%
1997 46.9% 45.1%
1996 46.7% 45.2%
1995 46.5% 45.3%
1994 46.3% 45.4%
1993 46% 45.4%
1992 45.9% 45.5%
1991 45.8% 45.5%
1990 45.7% 45.7%
1989 45.6% 45.8%
1988 45.5% 45.9%
1987 45.4% 45.9%
1986 45.2% 46%
1985 45% 45.9%
1984 44.9% 45.9%
1983 44.6% 45.7%
1982 44.3% 45.5%
1981 44% 45.3%
1980 43.7% 45%
1979 43.5% 45.1%
1978 43.3% 44.8%
1977 43% 43.7%
1976 42.8% 42.6%
1975 42.6% 41.8%
1974 42.4% 41.4%
1973 42.3% 41.6%
1972 42.2% 41.9%
1971 42.1% 41.9%
1970 42% 41.9%
1969 41.9% 41.9%
1968 41.8% 41.8%
1967 41.6% 42.1%
1966 41.5% 41.9%
1965 41.3% 41%
1964 41% 39.6%
1963 40.8% 38.4%
1962 40.7% 37.7%
1961 40.8% 37.1%
1960 41% 36.9%

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/guinea-bissau | CC BY

Children aged 0-14 make up 40.2% of the population in the Gambia and 38.8% in Guinea-Bissau in 2024, compared to 45.7% and 45.7% respectively in 1990.

Demographics of the Gambia and Guinea-Bissau compared.

Fertility rates around the globe

1x

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

GeoRank.org/birth-rate/gambia/guinea-bissau | CC BY

Maternal mortality chart: Gambia vs Guinea-Bissau

Gambia
Guinea-Bissau
1x
Year Maternal mortality per 100K births
Gambia Guinea-Bissau
2023 354 505
2022 365 539
2021 420 617
2020 400 603
2019 422 598
2018 450 585
2017 469 597
2016 490 617
2015 527 631
2014 561 662
2013 606 707
2012 628 704
2011 634 678
2010 632 698
2009 634 753
2008 653 802
2007 675 792
2006 682 831
2005 707 956
2004 719 980
2003 749 1,069
2002 772 1,141
2001 794 1,222
2000 810 1,295
1999 830 1,461
1998 867 1,465
1997 928 1,642
1996 956 1,539
1995 999 1,556
1994 1,039 1,644
1993 1,072 1,613
1992 1,115 1,633
1991 1,167 1,663
1990 1,207 1,709
1989 1,258 1,698
1988 1,302 1,759
1987 1,360 1,796
1986 1,401 1,825
1985 1,454 1,851

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

GeoRank.org/birth-rate/gambia/guinea-bissau | 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 505 deaths in Guinea-Bissau.

Under-five mortality rates

Gambia
Guinea-Bissau

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Gambia Guinea-Bissau
2023 4.41% 6.93%
2022 4.56% 7.16%
2021 4.72% 7.41%
2020 4.89% 7.66%
2019 5.07% 7.91%
2018 5.27% 8.21%
2017 5.47% 8.53%
2016 5.7% 8.84%
2015 5.93% 9.18%
2014 6.18% 9.53%
2013 6.45% 9.93%
2012 6.73% 10.4%
2011 7.01% 10.9%
2010 7.31% 11.4%
2009 7.64% 12%
2008 7.98% 12.6%
2007 8.33% 13.2%
2006 8.71% 13.9%
2005 9.11% 14.5%
2004 9.52% 15.1%
2003 9.95% 15.7%
2002 10.4% 16.3%
2001 10.9% 16.8%
2000 11.3% 17.4%
1999 11.8% 17.9%
1998 12.3% 18.4%
1997 12.8% 18.9%
1996 13.3% 19.4%
1995 13.9% 19.9%
1994 14.4% 20.4%
1993 14.9% 20.9%
1992 15.5% 21.3%
1991 16% 21.8%
1990 16.6% 22.2%
1989 17.2% 22.7%
1988 17.8% 23.1%
1987 18.4% 23.5%
1986 19.1% 24%
1985 19.7% 24.4%
1984 20.4% -
1983 21% -
1982 21.7% -
1981 22.3% -
1980 23% -
1979 23.6% -
1978 24.2% -
1977 24.9% -
1976 25.5% -
1975 26.2% -
1974 26.9% -
1973 27.5% -
1972 28.2% -
1971 28.9% -
1970 29.5% -
1969 30.2% -
1968 30.9% -
1967 31.5% -
1966 32.1% -
1965 32.8% -
1964 33.5% -
1963 34.1% -
1962 34.8% -
1961 35.5% -
1960 36.2% -

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

GeoRank.org/birth-rate/gambia/guinea-bissau | CC BY

The chance that a newborn baby will die before reaching age five is 4.41% in the Gambia and 6.93% in Guinea-Bissau. 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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