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Fertility & birth rates in Marshall Islands and Portugal

Updated on by Georank team

The Marshall Islands has an annual birth rate of 21.1 births per 1,000 people, compared to 8.1 for Portugal. The average number of children a woman is expected to have during her lifetime — the fertility rate, is 2.92 in the Marshall Islands and 1.44 in Portugal — 50.7% difference.

1960 vs 2023, the fertility rate has decreased by 63.9% in the Marshall Islands and by 54.4% in Portugal — in 1960, it was 8.08 and 3.16, respectively.

  • The Marshall Islands is ranked 67/196 by birth rate compared to 175/196 for Portugal.
  • The mean age for first-time mothers is 20.7 years in the Marshall Islands, compared to 30.2 years in Portugal.
  • The mean age at childbearing (for all the births, not just the first) is 27.1 in the Marshall Islands — it's 32.1 in Portugal.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 71.8 in the Marshall Islands vs 6.99 in Portugal.
  • In the Marshall Islands, 23.8% of the population is composed of women of reproductive age (15-49), compared to 20.6% in Portugal.

Fertility rate in Marshall Islands vs Portugal by year

Marshall Islands
Portugal
1x
Year Fertility rate
Marshall Islands Portugal
2023 2.92 1.44
2022 2.94 1.43
2021 2.96 1.35
2020 2.99 1.42
2019 3.01 1.44
2018 3.04 1.42
2017 3.06 1.38
2016 3.09 1.37
2015 3.13 1.31
2014 3.18 1.24
2013 3.25 1.21
2012 3.38 1.28
2011 3.53 1.35
2010 3.67 1.39
2009 3.83 1.34
2008 3.97 1.39
2007 4.09 1.35
2006 4.2 1.37
2005 4.28 1.41
2004 4.34 1.4
2003 4.42 1.44
2002 4.49 1.46
2001 4.58 1.45
2000 4.7 1.55
1999 4.78 1.5
1998 4.87 1.47
1997 4.96 1.47
1996 5.02 1.44
1995 5.09 1.41
1994 5.23 1.45
1993 5.38 1.52
1992 5.55 1.54
1991 5.76 1.56
1990 5.97 1.56
1989 6.18 1.57
1988 6.38 1.61
1987 6.57 1.62
1986 6.73 1.66
1985 6.87 1.72
1984 6.99 1.9
1983 7.08 1.95
1982 7.18 2.07
1981 7.27 2.13
1980 7.37 2.25
1979 7.47 2.31
1978 7.58 2.45
1977 7.67 2.69
1976 7.76 2.82
1975 7.83 2.75
1974 7.9 2.7
1973 7.95 2.77
1972 8 2.86
1971 8.04 3
1970 8.07 3.01
1969 8.11 3.12
1968 8.14 3.12
1967 8.17 3.16
1966 8.2 3.16
1965 8.16 3.15
1964 8.14 3.21
1963 8.12 3.12
1962 8.12 3.23
1961 8.12 3.21
1960 8.08 3.16

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

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

According to the latest available data on birth rates, the fertility rate in the Marshall Islands was 2.92 children per woman in 2023, compared to 1.44 in Portugal in 2023. The replacement level is considered to be 2.1 children per woman.

Check the Marshall Islands vs Portugal population clock for a dynamic visualization of the changing population.

Natural population change by year

Marshall Islands
Portugal
1x
Year Natural population change
Marshall Islands Portugal
2023 550 -32,792
2022 606 -40,694
2021 653 -45,592
2020 689 -39,129
2019 746 -24,687
2018 785 -25,709
2017 826 -23,691
2016 866 -23,749
2015 912 -23,823
2014 959 -22,882
2013 1,014 -24,052
2012 1,097 -17,875
2011 1,185 -5,279
2010 1,273 -4,230
2009 1,365 -5,284
2008 1,443 0
2007 1,507 -1,055
2006 1,556 3,156
2005 1,586 2,101
2004 1,595 7,339
2003 1,600 4,184
2002 1,594 8,335
2001 1,596 8,290
2000 1,592 15,435
1999 1,590 8,175
1998 1,576 7,112
1997 1,564 8,087
1996 1,542 4,026
1995 1,522 4,011
1994 1,524 9,991
1993 1,524 7,972
1992 1,525 13,933
1991 1,540 12,948
1990 1,556 13,976
1989 1,574 22,011
1988 1,575 24,047
1987 1,566 28,084
1986 1,544 31,102
1985 1,511 33,077
1984 1,470 45,983
1983 1,422 47,798
1982 1,375 58,479
1981 1,328 56,152
1980 1,287 63,481
1979 1,250 67,628
1978 1,207 70,731
1977 1,160 84,156
1976 1,109 85,138
1975 1,055 81,841
1974 1,000 74,412
1973 954 76,835
1972 913 83,715
1971 877 82,980
1970 819 87,672
1969 747 89,329
1968 685 100,737
1967 636 106,495
1966 603 107,171
1965 566 115,182
1964 536 120,170
1963 509 113,783
1962 488 123,217
1961 469 117,867
1960 452 118,693

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

GeoRank.org/birth-rate/marshall-islands/portugal | 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 +1.42% in the Marshall Islands and -0.31% in Portugal.

For the past 10 years, the annual natural population change has been +1.69% in the Marshall Islands and -0.29% in Portugal.

Birth rate in Marshall Islands vs Portugal by year

Marshall Islands
Portugal

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Marshall Islands Portugal
2023 21.1 8.1
2022 22 8
2021 23.2 7.6
2020 23.4 8.1
2019 23.7 8.4
2018 24.1 8.4
2017 24.4 8.3
2016 24.7 8.4
2015 25.2 8.2
2014 25.7 7.9
2013 26.4 7.9
2012 27.7 8.5
2011 29.2 9.2
2010 30.9 9.6
2009 32.8 9.4
2008 34.3 9.9
2007 35.6 9.7
2006 36.6 10
2005 37.2 10.4
2004 37.4 10.4
2003 37.6 10.8
2002 37.6 11
2001 37.8 10.9
2000 38.2 11.7
1999 38.3 11.4
1998 38.4 11.2
1997 38.6 11.2
1996 38.5 11
1995 38.5 10.7
1994 39 10.9
1993 39.6 11.4
1992 40.2 11.5
1991 41.2 11.7
1990 42.4 11.7
1989 43.8 11.8
1988 45 12.2
1987 46.2 12.3
1986 47.3 12.6
1985 48.2 13
1984 48.9 14.3
1983 49.5 14.5
1982 50 15.2
1981 50.5 15.4
1980 51.1 16.2
1979 51.6 16.6
1978 51.7 17.5
1977 51.6 19.1
1976 51.4 20
1975 50.9 19.8
1974 50.3 19.6
1973 49.7 20
1972 48.9 20.2
1971 48.5 21
1970 47.7 20.8
1969 47.2 21.7
1968 47.4 22.1
1967 47.7 22.8
1966 47.5 23.2
1965 46.6 23.4
1964 46.2 24
1963 46 23.5
1962 46.2 24.5
1961 46.5 24.4
1960 46.9 24.1

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

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

The latest reported birth rate per 1,000 people in 2023 was 21.1 in the Marshall Islands and 8.1 in Portugal, compared with 46.9 and 24.1, respectively, in 1960.

Birth rate data compared

Marshall Islands Portugal
Fertility rate 2.92 1.44
Fertility rate rank 58/196 157/196
Birth rate 21.1 8.1
Birth rate rank 67/196 175/196
Population change due to births and deaths +550 -32,792
Natural population change rank 143/196 179/196
Natural population change rate +1.42% -0.31%
Population growth -3.29% +1.1%
Population growth rank 197/197 94/197
Age at first childbirth 20.7 years 30.2 years
Average age at childbearing 27.1 years 32.1 years
Annual births per 1,000 women ages 15-19 70.3 5.74
Annual births per 1,000 women ages 20-29 165.6 48.5
Annual births per 1,000 women ages 30+ 18.7 14.2
Female of reproductive age (15-49), share of population 23.8% 20.6%
Any modern method of contraceptive prevalence among married women ages 15-49 42.4% 37.7%
Share of births attended by skilled health staff 92.4% 98.6%
Maternal mortality per live birth 0.16% 0.02%
Neonatal mortality rate (before reaching 28 days of age) 1.3% 0.16%
Infant mortality rate (before reaching 1 year of age) 2.35% 0.26%
Mortality rate before reaching 5 years of age 2.82% 0.32%
Life expectancy 67.3 years 82.9 years

Children 0-14 years as share of population

Marshall Islands
Factual

UN forecast
Portugal
Factual

UN forecast
1x
Year Young
Marshall Islands Portugal
2100 16.6% 13.8%
2099 16.6% 13.8%
2098 16.6% 13.8%
2097 16.7% 13.8%
2096 16.7% 13.9%
2095 16.8% 13.9%
2094 16.9% 13.9%
2093 17% 14%
2092 17.1% 14%
2091 17.3% 14%
2090 17.5% 14.1%
2089 17.7% 14.1%
2088 17.9% 14.1%
2087 18.2% 14.1%
2086 18.4% 14.2%
2085 18.7% 14.2%
2084 19% 14.2%
2083 19.3% 14.2%
2082 19.5% 14.2%
2081 19.8% 14.2%
2080 20% 14.2%
2079 20.2% 14.2%
2078 20.4% 14.2%
2077 20.6% 14.1%
2076 20.8% 14.1%
2075 20.9% 14.1%
2074 21% 14%
2073 21.1% 14%
2072 21.2% 13.9%
2071 21.3% 13.9%
2070 21.3% 13.8%
2069 21.4% 13.8%
2068 21.5% 13.7%
2067 21.7% 13.7%
2066 21.8% 13.6%
2065 22% 13.6%
2064 22.3% 13.5%
2063 22.6% 13.5%
2062 22.9% 13.5%
2061 23.3% 13.5%
2060 23.8% 13.5%
2059 24.3% 13.5%
2058 24.8% 13.5%
2057 25.4% 13.5%
2056 26% 13.5%
2055 26.5% 13.5%
2054 27.1% 13.5%
2053 27.6% 13.5%
2052 28% 13.5%
2051 28.4% 13.5%
2050 28.7% 13.5%
2049 28.9% 13.5%
2048 29% 13.4%
2047 29.1% 13.4%
2046 29% 13.4%
2045 28.9% 13.3%
2044 28.7% 13.3%
2043 28.4% 13.2%
2042 28.2% 13.1%
2041 27.8% 13.1%
2040 27.5% 13%
2039 27.3% 13%
2038 27.3% 13%
2037 27.4% 12.9%
2036 27.8% 12.8%
2035 28.4% 12.8%
2034 28.9% 12.7%
2033 29.5% 12.7%
2032 30% 12.7%
2031 30.6% 12.7%
2030 31.2% 12.7%
2029 31.7% 12.6%
2028 32.3% 12.6%
2027 32.9% 12.6%
2026 33.6% 12.7%
2025 34.2% 12.8%
2024 34.5% 12.8%
2023 34.7% 12.9%
2022 34.6% 13%
2021 34.4% 13.1%
2020 34.5% 13.3%
2019 35.1% 13.5%
2018 35.7% 13.7%
2017 36.2% 13.9%
2016 36.8% 14.1%
2015 37.5% 14.3%
2014 38.2% 14.6%
2013 38.8% 14.8%
2012 39.4% 14.9%
2011 39.7% 15%
2010 39.7% 15.2%
2009 39.4% 15.4%
2008 39.2% 15.5%
2007 39% 15.6%
2006 38.9% 15.8%
2005 39.1% 15.9%
2004 39.4% 16%
2003 39.9% 16.1%
2002 40.6% 16.1%
2001 41.3% 16.2%
2000 42% 16.4%
1999 42.8% 16.6%
1998 43.7% 16.8%
1997 44.7% 17.1%
1996 45.6% 17.4%
1995 46.6% 17.8%
1994 47.5% 18.2%
1993 48.4% 18.6%
1992 49.1% 19.1%
1991 49.7% 19.7%
1990 50.2% 20.5%
1989 50.6% 21.2%
1988 50.8% 21.9%
1987 50.8% 22.5%
1986 50.7% 23.1%
1985 50.6% 23.7%
1984 50.4% 24.1%
1983 50.4% 24.5%
1982 50.3% 25%
1981 50.3% 25.4%
1980 50.1% 25.9%
1979 49.8% 26.4%
1978 49.4% 26.8%
1977 49% 27.1%
1976 48.5% 27.2%
1975 48.2% 27.4%
1974 47.8% 27.7%
1973 47.3% 27.9%
1972 46.6% 28.2%
1971 45.6% 28.4%
1970 45% 28.7%
1969 45.3% 29.1%
1968 46.1% 29.2%
1967 46.7% 29.2%
1966 47.2% 29.2%
1965 47.5% 29.1%
1964 47.5% 29.1%
1963 47.4% 29.1%
1962 47.1% 29.1%
1961 46.7% 29.1%
1960 46.1% 29.3%

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/marshall-islands/portugal | CC BY

Children aged 0-14 make up 34.5% of the population in the Marshall Islands and 12.8% in Portugal in 2024, compared to 50.2% and 20.5% respectively in 1990.

Demographics of the Marshall Islands and Portugal compared.

Fertility rates around the globe

1x

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

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

Maternal mortality chart: Marshall Islands vs Portugal

Marshall Islands
Portugal
1x
Year Maternal mortality per 100K births
Marshall Islands Portugal
2023 155 15
2022 174 16
2021 206 19
2020 178 14
2019 168 15
2018 167 14
2017 179 13
2016 183 12
2015 184 11
2014 199 11
2013 201 10
2012 207 10
2011 209 10
2010 212 10
2009 224 9
2008 226 9
2007 229 8
2006 233 8
2005 234 8
2004 238 8
2003 221 8
2002 223 9
2001 231 9
2000 251 9
1999 250 10
1998 259 11
1997 274 12
1996 292 12
1995 303 12
1994 303 13
1993 320 15
1992 322 16
1991 297 17
1990 311 17
1989 299 18
1988 276 18
1987 282 19
1986 274 19
1985 254 20

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

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

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 155 deaths per 100,000 live births in the Marshall Islands, compared to 15 deaths in Portugal.

Under-five mortality rates

Marshall Islands
Portugal

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Marshall Islands Portugal
2023 2.82% 0.32%
2022 2.91% 0.32%
2021 3% 0.33%
2020 3.1% 0.34%
2019 3.19% 0.35%
2018 3.29% 0.35%
2017 3.38% 0.36%
2016 3.48% 0.36%
2015 3.57% 0.36%
2014 3.66% 0.36%
2013 3.75% 0.36%
2012 3.82% 0.37%
2011 3.89% 0.37%
2010 3.94% 0.38%
2009 3.97% 0.39%
2008 4.02% 0.4%
2007 4.06% 0.42%
2006 4.1% 0.44%
2005 4.14% 0.47%
2004 4.18% 0.5%
2003 4.21% 0.55%
2002 4.24% 0.61%
2001 4.25% 0.66%
2000 4.25% 0.72%
1999 4.23% 0.77%
1998 4.19% 0.82%
1997 4.15% 0.86%
1996 4.14% 0.92%
1995 4.15% 0.98%
1994 4.2% 1.05%
1993 4.29% 1.14%
1992 4.43% 1.25%
1991 4.59% 1.36%
1990 4.76% 1.47%
1989 4.95% 1.59%
1988 5.13% 1.7%
1987 5.31% 1.82%
1986 5.49% 1.93%
1985 5.66% 2.04%
1984 5.83% 2.16%
1983 6% 2.29%
1982 6.15% 2.43%
1981 6.29% 2.58%
1980 6.42% 2.75%
1979 6.52% 2.97%
1978 6.61% 3.24%
1977 6.69% 3.57%
1976 6.77% 3.94%
1975 6.86% 4.35%
1974 6.97% 4.79%
1973 7.13% 5.27%
1972 7.33% 5.78%
1971 7.58% 6.3%
1970 7.87% 6.81%
1969 8.19% 7.22%
1968 8.53% 7.51%
1967 8.88% 7.76%
1966 9.25% 8.09%
1965 9.64% 8.53%
1964 10.1% 9.1%
1963 10.5% 9.76%
1962 11% 10.4%
1961 11.6% 11%
1960 12.2% 11.4%

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

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

The chance that a newborn baby will die before reaching age five is 2.82% in the Marshall Islands and 0.32% in Portugal. 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) (2017, retrieved 2026-02-20)
  4. United Nations Economic Commission for Europe (UNECE) (2023, retrieved 2026-03-10)

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