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Fertility & birth rates in Guinea-Bissau and Oman

Updated on by Georank team

Guinea-Bissau has an annual birth rate of 30 births per 1,000 people, compared to 16.8 for Oman. The average number of children a woman is expected to have during her lifetime — the fertility rate, is 3.84 in Guinea-Bissau and 2.53 in Oman — 34.2% difference.

1960 vs 2023, the fertility rate has decreased by 35.2% in Guinea-Bissau and by 65.3% in Oman — in 1960, it was 5.92 and 7.28, respectively.

  • Guinea-Bissau is ranked 32/196 by birth rate compared to 89/196 for Oman.
  • The mean age at childbearing (for all the births, not just the first) is 29.4 in Guinea-Bissau — it's 31.8 in Oman.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 82 in Guinea-Bissau vs 5.99 in Oman.
  • In Guinea-Bissau, 25.5% of the population is composed of women of reproductive age (15-49), compared to 21.4% in Oman.

Fertility rate in Guinea-Bissau vs Oman by year

Guinea-Bissau
Oman
1x
Year Fertility rate
Guinea-Bissau Oman
2023 3.84 2.53
2022 3.91 2.45
2021 4 2.59
2020 4.08 2.64
2019 4.15 2.7
2018 4.24 2.81
2017 4.35 2.92
2016 4.52 2.95
2015 4.66 2.97
2014 4.79 2.97
2013 4.93 2.95
2012 5 2.93
2011 5.07 2.96
2010 5.11 2.97
2009 5.18 2.83
2008 5.27 2.76
2007 5.37 2.76
2006 5.41 2.88
2005 5.46 3.03
2004 5.5 3.2
2003 5.58 3.37
2002 5.63 3.51
2001 5.69 3.66
2000 5.79 3.85
1999 5.87 4.06
1998 5.97 4.27
1997 6.06 4.52
1996 6.14 4.79
1995 6.22 5.07
1994 6.3 5.36
1993 6.37 5.64
1992 6.44 5.92
1991 6.47 6.2
1990 6.5 6.46
1989 6.66 6.72
1988 6.69 6.95
1987 6.72 7.18
1986 6.73 7.35
1985 6.74 7.51
1984 6.73 7.64
1983 6.69 7.75
1982 6.64 7.84
1981 6.57 7.9
1980 6.49 7.89
1979 6.4 7.85
1978 6.32 7.82
1977 6.25 7.78
1976 6.19 7.74
1975 6.15 7.71
1974 6.12 7.67
1973 6.1 7.63
1972 6.08 7.59
1971 6.06 7.56
1970 6.04 7.52
1969 6.02 7.49
1968 6.01 7.46
1967 5.99 7.44
1966 5.98 7.41
1965 5.97 7.39
1964 5.96 7.37
1963 5.95 7.33
1962 5.94 7.32
1961 5.93 7.29
1960 5.92 7.28

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

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

According to the latest available data on birth rates, the fertility rate in Guinea-Bissau was 3.84 children per woman in 2023, compared to 2.53 in Oman in 2023. The replacement level is considered to be 2.1 children per woman.

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

Natural population change by year

Guinea-Bissau
Oman
1x
Year Natural population change
Guinea-Bissau Oman
2023 49,498 75,467
2022 48,920 67,278
2021 47,242 69,991
2020 46,718 74,224
2019 47,196 77,394
2018 46,659 79,438
2017 46,318 82,408
2016 46,814 81,350
2015 46,846 79,241
2014 46,615 76,258
2013 46,472 71,905
2012 45,480 65,572
2011 44,405 59,689
2010 43,067 57,619
2009 41,950 52,007
2008 40,841 47,146
2007 40,288 44,207
2006 38,886 43,969
2005 37,347 44,688
2004 36,495 45,651
2003 35,649 46,273
2002 34,561 46,397
2001 33,461 46,651
2000 32,816 47,208
1999 30,916 48,053
1998 30,390 48,654
1997 29,792 49,510
1996 29,778 50,362
1995 29,142 51,139
1994 27,895 52,337
1993 26,943 53,439
1992 25,747 54,471
1991 24,527 55,382
1990 23,936 56,000
1989 24,286 56,202
1988 23,940 56,142
1987 23,549 55,933
1986 23,301 55,324
1985 23,116 54,609
1984 22,861 52,253
1983 22,542 49,646
1982 22,131 46,939
1981 21,611 44,176
1980 21,024 41,109
1979 19,736 38,022
1978 17,468 35,141
1977 15,484 32,342
1976 13,688 30,032
1975 11,998 27,699
1974 10,321 25,543
1973 8,430 24,195
1972 7,911 22,968
1971 8,183 21,973
1970 7,632 20,893
1969 7,857 19,949
1968 7,289 18,962
1967 6,742 17,990
1966 6,955 17,030
1965 7,789 16,103
1964 8,989 15,205
1963 9,190 14,283
1962 10,662 13,485
1961 10,756 12,690
1960 10,618 12,034

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

GeoRank.org/birth-rate/guinea-bissau/oman | 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 +2.3% in Guinea-Bissau and +1.49% in Oman.

For the past 10 years, the annual natural population change has been +2.44% in Guinea-Bissau and +1.7% in Oman.

Birth rate in Guinea-Bissau vs Oman by year

Guinea-Bissau
Oman

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Guinea-Bissau Oman
2023 30 16.8
2022 30.5 16.4
2021 31 18.3
2020 31.4 18.9
2019 31.8 18.9
2018 32.4 19.3
2017 33 20.2
2016 34.2 20.5
2015 35.2 21
2014 36.1 21.2
2013 37.1 20.9
2012 37.6 20.7
2011 38 21.6
2010 38.3 23.4
2009 38.7 21.9
2008 39.3 20.6
2007 40 19.9
2006 40.3 20.2
2005 40.6 20.9
2004 40.8 21.8
2003 41.3 22.5
2002 41.6 22.8
2001 41.8 23.3
2000 42.3 23.8
1999 42.7 24.6
1998 43.2 25.3
1997 43.6 26.1
1996 43.9 27
1995 44.3 27.9
1994 44.5 29.1
1993 44.6 30.5
1992 44.8 32.4
1991 44.9 34.4
1990 45.3 36.5
1989 46.5 38.6
1988 46.8 40.8
1987 47.2 43.2
1986 47.7 45.6
1985 48.1 48.3
1984 48.4 49.6
1983 48.7 50.4
1982 48.8 51.1
1981 48.8 51.6
1980 48.6 51.6
1979 47.8 51.4
1978 45.3 51.2
1977 44 51
1976 42.5 50.8
1975 40.8 50.7
1974 38.8 50.2
1973 39.1 50.7
1972 38.6 50.9
1971 39.5 51.2
1970 38.6 51.6
1969 39.6 51.9
1968 38.8 52.2
1967 38.6 52.4
1966 40 52.6
1965 41.9 52.8
1964 44 52.8
1963 44.1 52.8
1962 44.6 52.8
1961 45.2 52.7
1960 45.4 52.8

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

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

The latest reported birth rate per 1,000 people in 2023 was 30 in Guinea-Bissau and 16.8 in Oman, compared with 45.4 and 52.8, respectively, in 1960.

Birth rate data compared

Guinea-Bissau Oman
Fertility rate 3.84 2.53
Fertility rate rank 32/196 75/196
Birth rate 30 16.8
Birth rate rank 32/196 89/196
Population change due to births and deaths +49,498 +75,467
Natural population change rank 95/196 86/196
Natural population change rate +2.3% +1.49%
Population growth +2.23% +4.6%
Population growth rank 42/197 5/197
Average age at childbearing 29.4 years 31.8 years
Annual births per 1,000 women ages 15-19 78.1 5.2
Annual births per 1,000 women ages 20-29 164.4 102.9
Annual births per 1,000 women ages 30+ 58.1 59.2
Female of reproductive age (15-49), share of population 25.5% 21.4%
Any modern method of contraceptive prevalence among married women ages 15-49 20.2% 18.8%
Share of births attended by skilled health staff 53.8% 99.9%
Maternal mortality per live birth 0.51% 0.01%
Neonatal mortality rate (before reaching 28 days of age) 3.27% 0.47%
Infant mortality rate (before reaching 1 year of age) 4.31% 0.84%
Mortality rate before reaching 5 years of age 6.93% 1.04%
Life expectancy 64.6 years 80.7 years

Children 0-14 years as share of population

Guinea-Bissau
Factual

UN forecast
Oman
Factual

UN forecast
1x
Year Young
Guinea-Bissau Oman
2100 19.7% 17.2%
2099 19.8% 17.2%
2098 19.9% 17.3%
2097 20% 17.3%
2096 20.2% 17.4%
2095 20.3% 17.4%
2094 20.4% 17.4%
2093 20.5% 17.5%
2092 20.6% 17.5%
2091 20.8% 17.5%
2090 20.9% 17.6%
2089 21% 17.6%
2088 21.2% 17.6%
2087 21.3% 17.6%
2086 21.5% 17.6%
2085 21.6% 17.7%
2084 21.8% 17.7%
2083 21.9% 17.7%
2082 22.1% 17.7%
2081 22.2% 17.8%
2080 22.4% 17.8%
2079 22.6% 17.8%
2078 22.7% 17.9%
2077 22.9% 17.9%
2076 23.1% 18%
2075 23.3% 18.1%
2074 23.4% 18.1%
2073 23.6% 18.2%
2072 23.8% 18.3%
2071 24% 18.4%
2070 24.2% 18.5%
2069 24.4% 18.6%
2068 24.6% 18.7%
2067 24.8% 18.8%
2066 25.1% 18.9%
2065 25.3% 19.1%
2064 25.5% 19.2%
2063 25.7% 19.3%
2062 26% 19.4%
2061 26.2% 19.5%
2060 26.5% 19.6%
2059 26.7% 19.7%
2058 27% 19.7%
2057 27.3% 19.8%
2056 27.5% 19.9%
2055 27.8% 19.9%
2054 28.1% 19.9%
2053 28.4% 20%
2052 28.7% 20%
2051 29% 20%
2050 29.3% 20%
2049 29.6% 20%
2048 29.9% 20.1%
2047 30.2% 20.1%
2046 30.5% 20.2%
2045 30.9% 20.3%
2044 31.2% 20.4%
2043 31.5% 20.6%
2042 31.9% 20.7%
2041 32.2% 20.9%
2040 32.5% 21.1%
2039 32.9% 21.3%
2038 33.2% 21.3%
2037 33.6% 21.4%
2036 33.9% 21.5%
2035 34.3% 21.7%
2034 34.6% 22%
2033 35% 22.2%
2032 35.3% 22.6%
2031 35.7% 22.9%
2030 36.2% 23.2%
2029 36.6% 23.5%
2028 37.1% 23.7%
2027 37.6% 23.9%
2026 38.1% 24.2%
2025 38.6% 24.5%
2024 38.8% 24.7%
2023 39.2% 25.2%
2022 39.7% 26.2%
2021 40.1% 26.7%
2020 40.5% 25.6%
2019 40.9% 24%
2018 41.3% 22.9%
2017 41.7% 22.3%
2016 42% 22.1%
2015 42.2% 22.2%
2014 42.5% 22.1%
2013 42.7% 21.9%
2012 42.8% 22.8%
2011 43% 25.5%
2010 43.2% 27.9%
2009 43.3% 28.4%
2008 43.5% 29.1%
2007 43.6% 29.9%
2006 43.8% 30.9%
2005 43.9% 32.1%
2004 44% 33.2%
2003 44.2% 34.2%
2002 44.3% 35%
2001 44.5% 35.8%
2000 44.7% 36.6%
1999 44.8% 37.3%
1998 45% 38%
1997 45.1% 38.7%
1996 45.2% 39.3%
1995 45.3% 39.7%
1994 45.4% 39.9%
1993 45.4% 40.5%
1992 45.5% 41.5%
1991 45.5% 42.5%
1990 45.7% 43.4%
1989 45.8% 44.3%
1988 45.9% 45.1%
1987 45.9% 45.9%
1986 46% 46.5%
1985 45.9% 47%
1984 45.9% 47.2%
1983 45.7% 47.2%
1982 45.5% 47.1%
1981 45.3% 47.1%
1980 45% 47.1%
1979 45.1% 47.2%
1978 44.8% 47.3%
1977 43.7% 47.4%
1976 42.6% 47.5%
1975 41.8% 47.5%
1974 41.4% 47.5%
1973 41.6% 47.3%
1972 41.9% 46.8%
1971 41.9% 46.4%
1970 41.9% 45.9%
1969 41.9% 45.3%
1968 41.8% 44.8%
1967 42.1% 44.3%
1966 41.9% 43.8%
1965 41% 43.2%
1964 39.6% 42.6%
1963 38.4% 42%
1962 37.7% 41.7%
1961 37.1% 41.6%
1960 36.9% 41.5%

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/guinea-bissau/oman | CC BY

Children aged 0-14 make up 38.8% of the population in Guinea-Bissau and 24.7% in Oman in 2024, compared to 45.7% and 43.4% respectively in 1990.

Demographics of Guinea-Bissau and Oman compared.

Fertility rates around the globe

1x

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

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

Maternal mortality chart: Guinea-Bissau vs Oman

Guinea-Bissau
Oman
1x
Year Maternal mortality per 100K births
Guinea-Bissau Oman
2023 505 13
2022 539 13
2021 617 74
2020 603 32
2019 598 14
2018 585 14
2017 597 14
2016 617 14
2015 631 15
2014 662 15
2013 707 15
2012 704 16
2011 678 16
2010 698 17
2009 753 17
2008 802 18
2007 792 18
2006 831 18
2005 956 18
2004 980 18
2003 1,069 18
2002 1,141 18
2001 1,222 18
2000 1,295 19
1999 1,461 19
1998 1,465 20
1997 1,642 20
1996 1,539 21
1995 1,556 22
1994 1,644 23
1993 1,613 25
1992 1,633 26
1991 1,663 28
1990 1,709 29
1989 1,698 32
1988 1,759 34
1987 1,796 37
1986 1,825 40
1985 1,851 43

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

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

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 505 deaths per 100,000 live births in Guinea-Bissau, compared to 13 deaths in Oman.

Under-five mortality rates

Guinea-Bissau
Oman

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Guinea-Bissau Oman
2023 6.93% 1.04%
2022 7.16% 1.05%
2021 7.41% 1.06%
2020 7.66% 1.07%
2019 7.91% 1.08%
2018 8.21% 1.09%
2017 8.53% 1.1%
2016 8.84% 1.11%
2015 9.18% 1.12%
2014 9.53% 1.12%
2013 9.93% 1.13%
2012 10.4% 1.15%
2011 10.9% 1.16%
2010 11.4% 1.17%
2009 12% 1.19%
2008 12.6% 1.2%
2007 13.2% 1.22%
2006 13.9% 1.24%
2005 14.5% 1.28%
2004 15.1% 1.32%
2003 15.7% 1.38%
2002 16.3% 1.45%
2001 16.8% 1.54%
2000 17.4% 1.64%
1999 17.9% 1.76%
1998 18.4% 1.89%
1997 18.9% 2.04%
1996 19.4% 2.22%
1995 19.9% 2.41%
1994 20.4% 2.64%
1993 20.9% 2.9%
1992 21.3% 3.2%
1991 21.8% 3.54%
1990 22.2% 3.91%
1989 22.7% 4.32%
1988 23.1% 4.78%
1987 23.5% 5.3%
1986 24% 5.9%
1985 24.4% 6.58%
1984 - 7.34%
1983 - 8.18%
1982 - 9.1%
1981 - 10.1%
1980 - 11.1%
1979 - 12.2%
1978 - 13.4%
1977 - 14.5%
1976 - 15.7%
1975 - 16.9%
1974 - 18.1%
1973 - 19.3%
1972 - 20.5%
1971 - 21.8%
1970 - 23.1%
1969 - 24.4%
1968 - 25.7%
1967 - 27.1%
1966 - 28.4%
1965 - 29.8%
1964 - 31.2%
1963 - 32.7%
1962 - 34.2%
1961 - 35.8%
1960 - 37.5%

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

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

The chance that a newborn baby will die before reaching age five is 6.93% in Guinea-Bissau and 1.04% in Oman. 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)

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