Skip to content

Fertility & birth rates in Guinea-Bissau and Marshall Islands

Updated on by Georank team

Guinea-Bissau has an annual birth rate of 30 births per 1,000 people, compared to 21.1 for the Marshall Islands. The average number of children a woman is expected to have during her lifetime — the fertility rate, is 3.84 in Guinea-Bissau and 2.92 in the Marshall Islands — 23.9% difference.

1960 vs 2023, the fertility rate has decreased by 35.2% in Guinea-Bissau and by 63.9% in the Marshall Islands — in 1960, it was 5.92 and 8.08, respectively.

  • Guinea-Bissau is ranked 32/196 by birth rate compared to 67/196 for the Marshall Islands.
  • The mean age at childbearing (for all the births, not just the first) is 29.4 in Guinea-Bissau — it's 27.1 in the Marshall Islands.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 82 in Guinea-Bissau vs 71.8 in the Marshall Islands.
  • In Guinea-Bissau, 25.5% of the population is composed of women of reproductive age (15-49), compared to 23.8% in the Marshall Islands.

Fertility rate in Guinea-Bissau vs Marshall Islands by year

Guinea-Bissau
Marshall Islands
1x
Year Fertility rate
Guinea-Bissau Marshall Islands
2023 3.84 2.92
2022 3.91 2.94
2021 4 2.96
2020 4.08 2.99
2019 4.15 3.01
2018 4.24 3.04
2017 4.35 3.06
2016 4.52 3.09
2015 4.66 3.13
2014 4.79 3.18
2013 4.93 3.25
2012 5 3.38
2011 5.07 3.53
2010 5.11 3.67
2009 5.18 3.83
2008 5.27 3.97
2007 5.37 4.09
2006 5.41 4.2
2005 5.46 4.28
2004 5.5 4.34
2003 5.58 4.42
2002 5.63 4.49
2001 5.69 4.58
2000 5.79 4.7
1999 5.87 4.78
1998 5.97 4.87
1997 6.06 4.96
1996 6.14 5.02
1995 6.22 5.09
1994 6.3 5.23
1993 6.37 5.38
1992 6.44 5.55
1991 6.47 5.76
1990 6.5 5.97
1989 6.66 6.18
1988 6.69 6.38
1987 6.72 6.57
1986 6.73 6.73
1985 6.74 6.87
1984 6.73 6.99
1983 6.69 7.08
1982 6.64 7.18
1981 6.57 7.27
1980 6.49 7.37
1979 6.4 7.47
1978 6.32 7.58
1977 6.25 7.67
1976 6.19 7.76
1975 6.15 7.83
1974 6.12 7.9
1973 6.1 7.95
1972 6.08 8
1971 6.06 8.04
1970 6.04 8.07
1969 6.02 8.11
1968 6.01 8.14
1967 5.99 8.17
1966 5.98 8.2
1965 5.97 8.16
1964 5.96 8.14
1963 5.95 8.12
1962 5.94 8.12
1961 5.93 8.12
1960 5.92 8.08

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

GeoRank.org/birth-rate/guinea-bissau/marshall-islands | 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 2.92 in the Marshall Islands in 2023. The replacement level is considered to be 2.1 children per woman.

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

Natural population change by year

Guinea-Bissau
Marshall Islands
1x
Year Natural population change
Guinea-Bissau Marshall Islands
2023 49,498 550
2022 48,920 606
2021 47,242 653
2020 46,718 689
2019 47,196 746
2018 46,659 785
2017 46,318 826
2016 46,814 866
2015 46,846 912
2014 46,615 959
2013 46,472 1,014
2012 45,480 1,097
2011 44,405 1,185
2010 43,067 1,273
2009 41,950 1,365
2008 40,841 1,443
2007 40,288 1,507
2006 38,886 1,556
2005 37,347 1,586
2004 36,495 1,595
2003 35,649 1,600
2002 34,561 1,594
2001 33,461 1,596
2000 32,816 1,592
1999 30,916 1,590
1998 30,390 1,576
1997 29,792 1,564
1996 29,778 1,542
1995 29,142 1,522
1994 27,895 1,524
1993 26,943 1,524
1992 25,747 1,525
1991 24,527 1,540
1990 23,936 1,556
1989 24,286 1,574
1988 23,940 1,575
1987 23,549 1,566
1986 23,301 1,544
1985 23,116 1,511
1984 22,861 1,470
1983 22,542 1,422
1982 22,131 1,375
1981 21,611 1,328
1980 21,024 1,287
1979 19,736 1,250
1978 17,468 1,207
1977 15,484 1,160
1976 13,688 1,109
1975 11,998 1,055
1974 10,321 1,000
1973 8,430 954
1972 7,911 913
1971 8,183 877
1970 7,632 819
1969 7,857 747
1968 7,289 685
1967 6,742 636
1966 6,955 603
1965 7,789 566
1964 8,989 536
1963 9,190 509
1962 10,662 488
1961 10,756 469
1960 10,618 452

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

GeoRank.org/birth-rate/guinea-bissau/marshall-islands | 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 +1.42% in the Marshall Islands.

For the past 10 years, the annual natural population change has been +2.44% in Guinea-Bissau and +1.69% in the Marshall Islands.

Birth rate in Guinea-Bissau vs Marshall Islands by year

Guinea-Bissau
Marshall Islands

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Guinea-Bissau Marshall Islands
2023 30 21.1
2022 30.5 22
2021 31 23.2
2020 31.4 23.4
2019 31.8 23.7
2018 32.4 24.1
2017 33 24.4
2016 34.2 24.7
2015 35.2 25.2
2014 36.1 25.7
2013 37.1 26.4
2012 37.6 27.7
2011 38 29.2
2010 38.3 30.9
2009 38.7 32.8
2008 39.3 34.3
2007 40 35.6
2006 40.3 36.6
2005 40.6 37.2
2004 40.8 37.4
2003 41.3 37.6
2002 41.6 37.6
2001 41.8 37.8
2000 42.3 38.2
1999 42.7 38.3
1998 43.2 38.4
1997 43.6 38.6
1996 43.9 38.5
1995 44.3 38.5
1994 44.5 39
1993 44.6 39.6
1992 44.8 40.2
1991 44.9 41.2
1990 45.3 42.4
1989 46.5 43.8
1988 46.8 45
1987 47.2 46.2
1986 47.7 47.3
1985 48.1 48.2
1984 48.4 48.9
1983 48.7 49.5
1982 48.8 50
1981 48.8 50.5
1980 48.6 51.1
1979 47.8 51.6
1978 45.3 51.7
1977 44 51.6
1976 42.5 51.4
1975 40.8 50.9
1974 38.8 50.3
1973 39.1 49.7
1972 38.6 48.9
1971 39.5 48.5
1970 38.6 47.7
1969 39.6 47.2
1968 38.8 47.4
1967 38.6 47.7
1966 40 47.5
1965 41.9 46.6
1964 44 46.2
1963 44.1 46
1962 44.6 46.2
1961 45.2 46.5
1960 45.4 46.9

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

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

The latest reported birth rate per 1,000 people in 2023 was 30 in Guinea-Bissau and 21.1 in the Marshall Islands, compared with 45.4 and 46.9, respectively, in 1960.

Birth rate data compared

Guinea-Bissau Marshall Islands
Fertility rate 3.84 2.92
Fertility rate rank 32/196 58/196
Birth rate 30 21.1
Birth rate rank 32/196 67/196
Population change due to births and deaths +49,498 +550
Natural population change rank 95/196 143/196
Natural population change rate +2.3% +1.42%
Population growth +2.23% -3.29%
Population growth rank 42/197 197/197
Age at first childbirth n/a 20.7 years
Average age at childbearing 29.4 years 27.1 years
Annual births per 1,000 women ages 15-19 78.1 70.3
Annual births per 1,000 women ages 20-29 164.4 165.6
Annual births per 1,000 women ages 30+ 58.1 18.7
Female of reproductive age (15-49), share of population 25.5% 23.8%
Any modern method of contraceptive prevalence among married women ages 15-49 20.2% 42.4%
Share of births attended by skilled health staff 53.8% 92.4%
Maternal mortality per live birth 0.51% 0.16%
Neonatal mortality rate (before reaching 28 days of age) 3.27% 1.3%
Infant mortality rate (before reaching 1 year of age) 4.31% 2.35%
Mortality rate before reaching 5 years of age 6.93% 2.82%
Life expectancy 64.6 years 67.3 years

Children 0-14 years as share of population

Guinea-Bissau
Factual

UN forecast
Marshall Islands
Factual

UN forecast
1x
Year Young
Guinea-Bissau Marshall Islands
2100 19.7% 16.6%
2099 19.8% 16.6%
2098 19.9% 16.6%
2097 20% 16.7%
2096 20.2% 16.7%
2095 20.3% 16.8%
2094 20.4% 16.9%
2093 20.5% 17%
2092 20.6% 17.1%
2091 20.8% 17.3%
2090 20.9% 17.5%
2089 21% 17.7%
2088 21.2% 17.9%
2087 21.3% 18.2%
2086 21.5% 18.4%
2085 21.6% 18.7%
2084 21.8% 19%
2083 21.9% 19.3%
2082 22.1% 19.5%
2081 22.2% 19.8%
2080 22.4% 20%
2079 22.6% 20.2%
2078 22.7% 20.4%
2077 22.9% 20.6%
2076 23.1% 20.8%
2075 23.3% 20.9%
2074 23.4% 21%
2073 23.6% 21.1%
2072 23.8% 21.2%
2071 24% 21.3%
2070 24.2% 21.3%
2069 24.4% 21.4%
2068 24.6% 21.5%
2067 24.8% 21.7%
2066 25.1% 21.8%
2065 25.3% 22%
2064 25.5% 22.3%
2063 25.7% 22.6%
2062 26% 22.9%
2061 26.2% 23.3%
2060 26.5% 23.8%
2059 26.7% 24.3%
2058 27% 24.8%
2057 27.3% 25.4%
2056 27.5% 26%
2055 27.8% 26.5%
2054 28.1% 27.1%
2053 28.4% 27.6%
2052 28.7% 28%
2051 29% 28.4%
2050 29.3% 28.7%
2049 29.6% 28.9%
2048 29.9% 29%
2047 30.2% 29.1%
2046 30.5% 29%
2045 30.9% 28.9%
2044 31.2% 28.7%
2043 31.5% 28.4%
2042 31.9% 28.2%
2041 32.2% 27.8%
2040 32.5% 27.5%
2039 32.9% 27.3%
2038 33.2% 27.3%
2037 33.6% 27.4%
2036 33.9% 27.8%
2035 34.3% 28.4%
2034 34.6% 28.9%
2033 35% 29.5%
2032 35.3% 30%
2031 35.7% 30.6%
2030 36.2% 31.2%
2029 36.6% 31.7%
2028 37.1% 32.3%
2027 37.6% 32.9%
2026 38.1% 33.6%
2025 38.6% 34.2%
2024 38.8% 34.5%
2023 39.2% 34.7%
2022 39.7% 34.6%
2021 40.1% 34.4%
2020 40.5% 34.5%
2019 40.9% 35.1%
2018 41.3% 35.7%
2017 41.7% 36.2%
2016 42% 36.8%
2015 42.2% 37.5%
2014 42.5% 38.2%
2013 42.7% 38.8%
2012 42.8% 39.4%
2011 43% 39.7%
2010 43.2% 39.7%
2009 43.3% 39.4%
2008 43.5% 39.2%
2007 43.6% 39%
2006 43.8% 38.9%
2005 43.9% 39.1%
2004 44% 39.4%
2003 44.2% 39.9%
2002 44.3% 40.6%
2001 44.5% 41.3%
2000 44.7% 42%
1999 44.8% 42.8%
1998 45% 43.7%
1997 45.1% 44.7%
1996 45.2% 45.6%
1995 45.3% 46.6%
1994 45.4% 47.5%
1993 45.4% 48.4%
1992 45.5% 49.1%
1991 45.5% 49.7%
1990 45.7% 50.2%
1989 45.8% 50.6%
1988 45.9% 50.8%
1987 45.9% 50.8%
1986 46% 50.7%
1985 45.9% 50.6%
1984 45.9% 50.4%
1983 45.7% 50.4%
1982 45.5% 50.3%
1981 45.3% 50.3%
1980 45% 50.1%
1979 45.1% 49.8%
1978 44.8% 49.4%
1977 43.7% 49%
1976 42.6% 48.5%
1975 41.8% 48.2%
1974 41.4% 47.8%
1973 41.6% 47.3%
1972 41.9% 46.6%
1971 41.9% 45.6%
1970 41.9% 45%
1969 41.9% 45.3%
1968 41.8% 46.1%
1967 42.1% 46.7%
1966 41.9% 47.2%
1965 41% 47.5%
1964 39.6% 47.5%
1963 38.4% 47.4%
1962 37.7% 47.1%
1961 37.1% 46.7%
1960 36.9% 46.1%

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/marshall-islands | CC BY

Children aged 0-14 make up 38.8% of the population in Guinea-Bissau and 34.5% in the Marshall Islands in 2024, compared to 45.7% and 50.2% respectively in 1990.

Demographics of Guinea-Bissau and the Marshall Islands compared.

Fertility rates around the globe

1x

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

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

Maternal mortality chart: Guinea-Bissau vs Marshall Islands

Guinea-Bissau
Marshall Islands
1x
Year Maternal mortality per 100K births
Guinea-Bissau Marshall Islands
2023 505 155
2022 539 174
2021 617 206
2020 603 178
2019 598 168
2018 585 167
2017 597 179
2016 617 183
2015 631 184
2014 662 199
2013 707 201
2012 704 207
2011 678 209
2010 698 212
2009 753 224
2008 802 226
2007 792 229
2006 831 233
2005 956 234
2004 980 238
2003 1,069 221
2002 1,141 223
2001 1,222 231
2000 1,295 251
1999 1,461 250
1998 1,465 259
1997 1,642 274
1996 1,539 292
1995 1,556 303
1994 1,644 303
1993 1,613 320
1992 1,633 322
1991 1,663 297
1990 1,709 311
1989 1,698 299
1988 1,759 276
1987 1,796 282
1986 1,825 274
1985 1,851 254

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

GeoRank.org/birth-rate/guinea-bissau/marshall-islands | 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 155 deaths in the Marshall Islands.

Under-five mortality rates

Guinea-Bissau
Marshall Islands

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Guinea-Bissau Marshall Islands
2023 6.93% 2.82%
2022 7.16% 2.91%
2021 7.41% 3%
2020 7.66% 3.1%
2019 7.91% 3.19%
2018 8.21% 3.29%
2017 8.53% 3.38%
2016 8.84% 3.48%
2015 9.18% 3.57%
2014 9.53% 3.66%
2013 9.93% 3.75%
2012 10.4% 3.82%
2011 10.9% 3.89%
2010 11.4% 3.94%
2009 12% 3.97%
2008 12.6% 4.02%
2007 13.2% 4.06%
2006 13.9% 4.1%
2005 14.5% 4.14%
2004 15.1% 4.18%
2003 15.7% 4.21%
2002 16.3% 4.24%
2001 16.8% 4.25%
2000 17.4% 4.25%
1999 17.9% 4.23%
1998 18.4% 4.19%
1997 18.9% 4.15%
1996 19.4% 4.14%
1995 19.9% 4.15%
1994 20.4% 4.2%
1993 20.9% 4.29%
1992 21.3% 4.43%
1991 21.8% 4.59%
1990 22.2% 4.76%
1989 22.7% 4.95%
1988 23.1% 5.13%
1987 23.5% 5.31%
1986 24% 5.49%
1985 24.4% 5.66%
1984 - 5.83%
1983 - 6%
1982 - 6.15%
1981 - 6.29%
1980 - 6.42%
1979 - 6.52%
1978 - 6.61%
1977 - 6.69%
1976 - 6.77%
1975 - 6.86%
1974 - 6.97%
1973 - 7.13%
1972 - 7.33%
1971 - 7.58%
1970 - 7.87%
1969 - 8.19%
1968 - 8.53%
1967 - 8.88%
1966 - 9.25%
1965 - 9.64%
1964 - 10.1%
1963 - 10.5%
1962 - 11%
1961 - 11.6%
1960 - 12.2%

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

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

The chance that a newborn baby will die before reaching age five is 6.93% in Guinea-Bissau and 2.82% in the Marshall Islands. Above is a chart with historical data on under-five mortality rates.

Compare countries by 7 more topics

Help us show the world through your eyes

Share a photo of your city and help others discover what it looks like to live there. Your contribution makes our data come alive.

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) (2017, retrieved 2026-02-20)

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.