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Fertility & birth rates in Gabon and Guinea-Bissau

Updated on by Georank team

Gabon has an annual birth rate of 27.7 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 3.65 in Gabon and 3.84 in Guinea-Bissau — 5.18% difference.

1960 vs 2023, the fertility rate has decreased by 17.5% in Gabon and by 35.2% in Guinea-Bissau — in 1960, it was 4.42 and 5.92, respectively.

  • Gabon is ranked 42/196 by birth rate compared to 32/196 for Guinea-Bissau.
  • The mean age at childbearing (for all the births, not just the first) is 28.5 in Gabon — it's 29.4 in Guinea-Bissau.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 91.7 in Gabon vs 82 in Guinea-Bissau.
  • In Gabon, 24.6% of the population is composed of women of reproductive age (15-49), compared to 25.5% in Guinea-Bissau.

Fertility rate in Gabon vs Guinea-Bissau by year

Gabon
Guinea-Bissau
1x
Year Fertility rate
Gabon Guinea-Bissau
2023 3.65 3.84
2022 3.71 3.91
2021 3.78 4
2020 3.83 4.08
2019 3.88 4.15
2018 3.91 4.24
2017 3.91 4.35
2016 3.92 4.52
2015 3.92 4.66
2014 3.95 4.79
2013 4.02 4.93
2012 4.09 5
2011 4.15 5.07
2010 4.15 5.11
2009 4.14 5.18
2008 4.12 5.27
2007 4.14 5.37
2006 4.17 5.41
2005 4.21 5.46
2004 4.25 5.5
2003 4.3 5.58
2002 4.36 5.63
2001 4.42 5.69
2000 4.47 5.79
1999 4.5 5.87
1998 4.58 5.97
1997 4.66 6.06
1996 4.74 6.14
1995 4.88 6.22
1994 5.04 6.3
1993 5.19 6.37
1992 5.29 6.44
1991 5.37 6.47
1990 5.46 6.5
1989 5.55 6.66
1988 5.62 6.69
1987 5.67 6.72
1986 5.69 6.73
1985 5.71 6.74
1984 5.73 6.73
1983 5.76 6.69
1982 5.74 6.64
1981 5.73 6.57
1980 5.66 6.49
1979 5.61 6.4
1978 5.57 6.32
1977 5.52 6.25
1976 5.46 6.19
1975 5.39 6.15
1974 5.33 6.12
1973 5.29 6.1
1972 5.24 6.08
1971 5.16 6.06
1970 5.1 6.04
1969 5.05 6.02
1968 4.98 6.01
1967 4.92 5.99
1966 4.86 5.98
1965 4.79 5.97
1964 4.71 5.96
1963 4.65 5.95
1962 4.59 5.94
1961 4.5 5.93
1960 4.42 5.92

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

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

According to the latest available data on birth rates, the fertility rate in Gabon was 3.65 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 Gabon vs Guinea-Bissau population clock for a dynamic visualization of the changing population.

Natural population change by year

Gabon
Guinea-Bissau
1x
Year Natural population change
Gabon Guinea-Bissau
2023 53,167 49,498
2022 52,944 48,920
2021 52,611 47,242
2020 52,745 46,718
2019 53,185 47,196
2018 52,476 46,659
2017 51,455 46,318
2016 50,321 46,814
2015 48,876 46,846
2014 47,704 46,615
2013 46,829 46,472
2012 45,941 45,480
2011 44,922 44,405
2010 43,061 43,067
2009 41,037 41,950
2008 39,002 40,841
2007 37,394 40,288
2006 35,984 38,886
2005 34,766 37,347
2004 33,615 36,495
2003 32,633 35,649
2002 31,777 34,561
2001 30,941 33,461
2000 30,210 32,816
1999 29,330 30,916
1998 28,697 30,390
1997 28,053 29,792
1996 27,450 29,778
1995 27,290 29,142
1994 27,271 27,895
1993 27,235 26,943
1992 26,810 25,747
1991 26,334 24,527
1990 25,858 23,936
1989 25,359 24,286
1988 24,888 23,940
1987 24,212 23,549
1986 23,362 23,301
1985 22,617 23,116
1984 21,851 22,861
1983 21,162 22,542
1982 20,292 22,131
1981 19,528 21,611
1980 18,503 21,024
1979 17,553 19,736
1978 16,714 17,468
1977 15,842 15,484
1976 14,998 13,688
1975 14,162 11,998
1974 13,381 10,321
1973 12,731 8,430
1972 12,095 7,911
1971 11,357 8,183
1970 10,635 7,632
1969 9,969 7,857
1968 9,417 7,289
1967 8,883 6,742
1966 8,410 6,955
1965 7,902 7,789
1964 7,402 8,989
1963 7,001 9,190
1962 6,609 10,662
1961 6,161 10,756
1960 5,732 10,618

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

GeoRank.org/birth-rate/gabon/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 +2.14% in Gabon and +2.3% in Guinea-Bissau.

For the past 10 years, the annual natural population change has been +2.31% in Gabon and +2.44% in Guinea-Bissau.

Birth rate in Gabon vs Guinea-Bissau by year

Gabon
Guinea-Bissau

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Gabon Guinea-Bissau
2023 27.7 30
2022 28.3 30.5
2021 28.9 31
2020 29.5 31.4
2019 30.1 31.8
2018 30.5 32.4
2017 30.8 33
2016 31 34.2
2015 31.1 35.2
2014 31.4 36.1
2013 31.9 37.1
2012 32.5 37.6
2011 33 38
2010 33 38.3
2009 32.9 38.7
2008 32.6 39.3
2007 32.6 40
2006 32.6 40.3
2005 32.7 40.6
2004 32.7 40.8
2003 32.9 41.3
2002 33.1 41.6
2001 33.2 41.8
2000 33.4 42.3
1999 33.5 42.7
1998 33.7 43.2
1997 33.9 43.6
1996 34.1 43.9
1995 34.7 44.3
1994 35.5 44.5
1993 36.3 44.6
1992 36.7 44.8
1991 37.2 44.9
1990 37.6 45.3
1989 38 46.5
1988 38.5 46.8
1987 38.7 47.2
1986 38.7 47.7
1985 38.9 48.1
1984 39 48.4
1983 39.1 48.7
1982 39 48.8
1981 39 48.8
1980 38.6 48.6
1979 38.2 47.8
1978 38 45.3
1977 37.7 44
1976 37.3 42.5
1975 36.9 40.8
1974 36.5 38.8
1973 36.3 39.1
1972 36 38.6
1971 35.5 39.5
1970 35.1 38.6
1969 34.7 39.6
1968 34.4 38.8
1967 34.1 38.6
1966 33.8 40
1965 33.5 41.9
1964 33.1 44
1963 32.9 44.1
1962 32.6 44.6
1961 32.3 45.2
1960 31.9 45.4

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

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

The latest reported birth rate per 1,000 people in 2023 was 27.7 in Gabon and 30 in Guinea-Bissau, compared with 31.9 and 45.4, respectively, in 1960.

Birth rate data compared

Gabon Guinea-Bissau
Fertility rate 3.65 3.84
Fertility rate rank 40/196 32/196
Birth rate 27.7 30
Birth rate rank 42/196 32/196
Population change due to births and deaths +53,167 +49,498
Natural population change rank 91/196 95/196
Natural population change rate +2.14% +2.3%
Population growth +2.18% +2.23%
Population growth rank 44/197 42/197
Age at first childbirth 19.6 years n/a
Average age at childbearing 28.5 years 29.4 years
Annual births per 1,000 women ages 15-19 86.8 78.1
Annual births per 1,000 women ages 20-29 160.7 164.4
Annual births per 1,000 women ages 30+ 51.8 58.1
Female of reproductive age (15-49), share of population 24.6% 25.5%
Any modern method of contraceptive prevalence among married women ages 15-49 17.3% 20.2%
Share of births attended by skilled health staff 89.3% 53.8%
Maternal mortality per live birth 0.23% 0.51%
Neonatal mortality rate (before reaching 28 days of age) 1.68% 3.27%
Infant mortality rate (before reaching 1 year of age) 2.65% 4.31%
Mortality rate before reaching 5 years of age 3.32% 6.93%
Life expectancy 68.9 years 64.6 years

Children 0-14 years as share of population

Gabon
Factual

UN forecast
Guinea-Bissau
Factual

UN forecast
1x
Year Young
Gabon Guinea-Bissau
2100 20.4% 19.7%
2099 20.5% 19.8%
2098 20.7% 19.9%
2097 20.8% 20%
2096 21% 20.2%
2095 21.1% 20.3%
2094 21.3% 20.4%
2093 21.4% 20.5%
2092 21.6% 20.6%
2091 21.7% 20.8%
2090 21.9% 20.9%
2089 22% 21%
2088 22.2% 21.2%
2087 22.4% 21.3%
2086 22.5% 21.5%
2085 22.7% 21.6%
2084 22.9% 21.8%
2083 23% 21.9%
2082 23.2% 22.1%
2081 23.3% 22.2%
2080 23.5% 22.4%
2079 23.7% 22.6%
2078 23.8% 22.7%
2077 24% 22.9%
2076 24.1% 23.1%
2075 24.3% 23.3%
2074 24.5% 23.4%
2073 24.6% 23.6%
2072 24.8% 23.8%
2071 25% 24%
2070 25.2% 24.2%
2069 25.4% 24.4%
2068 25.6% 24.6%
2067 25.8% 24.8%
2066 26% 25.1%
2065 26.2% 25.3%
2064 26.5% 25.5%
2063 26.7% 25.7%
2062 26.9% 26%
2061 27.2% 26.2%
2060 27.4% 26.5%
2059 27.7% 26.7%
2058 28% 27%
2057 28.2% 27.3%
2056 28.5% 27.5%
2055 28.7% 27.8%
2054 28.9% 28.1%
2053 29.1% 28.4%
2052 29.4% 28.7%
2051 29.6% 29%
2050 29.7% 29.3%
2049 29.9% 29.6%
2048 30.1% 29.9%
2047 30.2% 30.2%
2046 30.4% 30.5%
2045 30.6% 30.9%
2044 30.7% 31.2%
2043 30.9% 31.5%
2042 31% 31.9%
2041 31.2% 32.2%
2040 31.4% 32.5%
2039 31.7% 32.9%
2038 31.9% 33.2%
2037 32.2% 33.6%
2036 32.5% 33.9%
2035 32.9% 34.3%
2034 33.2% 34.6%
2033 33.6% 35%
2032 34% 35.3%
2031 34.4% 35.7%
2030 34.7% 36.2%
2029 35.1% 36.6%
2028 35.4% 37.1%
2027 35.8% 37.6%
2026 36.1% 38.1%
2025 36.4% 38.6%
2024 36.5% 38.8%
2023 36.7% 39.2%
2022 36.8% 39.7%
2021 36.8% 40.1%
2020 36.8% 40.5%
2019 36.8% 40.9%
2018 36.7% 41.3%
2017 36.6% 41.7%
2016 36.6% 42%
2015 36.6% 42.2%
2014 36.7% 42.5%
2013 36.8% 42.7%
2012 37% 42.8%
2011 37.1% 43%
2010 37.3% 43.2%
2009 37.6% 43.3%
2008 37.9% 43.5%
2007 38.2% 43.6%
2006 38.6% 43.8%
2005 39% 43.9%
2004 39.4% 44%
2003 39.7% 44.2%
2002 40.1% 44.3%
2001 40.5% 44.5%
2000 40.8% 44.7%
1999 41.2% 44.8%
1998 41.5% 45%
1997 41.8% 45.1%
1996 42% 45.2%
1995 42.3% 45.3%
1994 42.4% 45.4%
1993 42.5% 45.4%
1992 42.5% 45.5%
1991 42.5% 45.5%
1990 42.4% 45.7%
1989 42.3% 45.8%
1988 42.1% 45.9%
1987 41.9% 45.9%
1986 41.6% 46%
1985 41.4% 45.9%
1984 41% 45.9%
1983 40.7% 45.7%
1982 40.3% 45.5%
1981 39.9% 45.3%
1980 39.6% 45%
1979 39.2% 45.1%
1978 38.8% 44.8%
1977 38.4% 43.7%
1976 38% 42.6%
1975 37.6% 41.8%
1974 37.1% 41.4%
1973 36.7% 41.6%
1972 36.3% 41.9%
1971 35.8% 41.9%
1970 35.4% 41.9%
1969 35.1% 41.9%
1968 34.7% 41.8%
1967 34.3% 42.1%
1966 33.9% 41.9%
1965 33.5% 41%
1964 33% 39.6%
1963 32.6% 38.4%
1962 32.2% 37.7%
1961 31.8% 37.1%
1960 31.4% 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/gabon/guinea-bissau | CC BY

Children aged 0-14 make up 36.5% of the population in Gabon and 38.8% in Guinea-Bissau in 2024, compared to 42.4% and 45.7% respectively in 1990.

Demographics of Gabon 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/gabon/guinea-bissau | CC BY

Maternal mortality chart: Gabon vs Guinea-Bissau

Gabon
Guinea-Bissau
1x
Year Maternal mortality per 100K births
Gabon Guinea-Bissau
2023 233 505
2022 216 539
2021 249 617
2020 194 603
2019 179 598
2018 176 585
2017 184 597
2016 215 617
2015 239 631
2014 273 662
2013 235 707
2012 173 704
2011 149 678
2010 144 698
2009 158 753
2008 158 802
2007 173 792
2006 186 831
2005 175 956
2004 142 980
2003 134 1,069
2002 151 1,141
2001 160 1,222
2000 178 1,295
1999 216 1,461
1998 258 1,465
1997 290 1,642
1996 321 1,539
1995 341 1,556
1994 357 1,644
1993 364 1,613
1992 371 1,633
1991 369 1,663
1990 368 1,709
1989 366 1,698
1988 367 1,759
1987 366 1,796
1986 369 1,825
1985 373 1,851

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

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

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 233 deaths per 100,000 live births in Gabon, compared to 505 deaths in Guinea-Bissau.

Under-five mortality rates

Gabon
Guinea-Bissau

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Gabon Guinea-Bissau
2023 3.32% 6.93%
2022 3.41% 7.16%
2021 3.52% 7.41%
2020 3.62% 7.66%
2019 3.8% 7.91%
2018 3.96% 8.21%
2017 4.1% 8.53%
2016 4.24% 8.84%
2015 4.42% 9.18%
2014 4.57% 9.53%
2013 4.73% 9.93%
2012 4.94% 10.4%
2011 5.14% 10.9%
2010 5.35% 11.4%
2009 5.57% 12%
2008 5.77% 12.6%
2007 5.99% 13.2%
2006 6.21% 13.9%
2005 6.39% 14.5%
2004 6.6% 15.1%
2003 6.81% 15.7%
2002 7.01% 16.3%
2001 7.19% 16.8%
2000 7.37% 17.4%
1999 7.53% 17.9%
1998 7.67% 18.4%
1997 7.79% 18.9%
1996 7.89% 19.4%
1995 7.98% 19.9%
1994 8.06% 20.4%
1993 8.14% 20.9%
1992 8.24% 21.3%
1991 8.35% 21.8%
1990 8.49% 22.2%
1989 8.64% 22.7%
1988 8.82% 23.1%
1987 9.03% 23.5%
1986 9.26% 24%
1985 9.52% 24.4%
1984 9.81% -
1983 10.1% -
1982 10.5% -
1981 10.8% -
1980 11.2% -
1979 11.6% -
1978 12% -
1977 12.4% -
1976 12.8% -
1975 13.3% -
1974 13.7% -
1973 14.2% -
1972 14.7% -
1971 15.2% -
1970 15.7% -
1969 16.2% -
1968 16.8% -
1967 17.4% -
1966 17.9% -
1965 18.6% -
1964 19.2% -
1963 19.8% -
1962 20.5% -
1961 21.2% -
1960 21.9% -

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

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

The chance that a newborn baby will die before reaching age five is 3.32% in Gabon 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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