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Fertility & birth rates in Portugal and Vietnam

Updated on by Georank team

Portugal has an annual birth rate of 8.1 births per 1,000 people, compared to 13.8 for Vietnam. The average number of children a woman is expected to have during her lifetime — the fertility rate, is 1.44 in Portugal and 1.91 in Vietnam — 32.8% difference.

1960 vs 2023, the fertility rate has decreased by 54.4% in Portugal and by 69.5% in Vietnam — in 1960, it was 3.16 and 6.27, respectively.

  • Portugal is ranked 175/196 by birth rate compared to 103/196 for Vietnam.
  • The mean age at childbearing (for all the births, not just the first) is 32.1 in Portugal — it's 27.2 in Vietnam.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 6.99 in Portugal vs 34.3 in Vietnam.
  • In Portugal, 20.6% of the population is composed of women of reproductive age (15-49), compared to 25.7% in Vietnam.

Fertility rate in Portugal vs Vietnam by year

Portugal
Vietnam
1x
Year Fertility rate
Portugal Vietnam
2023 1.44 1.91
2022 1.43 1.93
2021 1.35 1.94
2020 1.42 1.96
2019 1.44 1.94
2018 1.42 1.88
2017 1.38 1.99
2016 1.37 2
2015 1.31 2.1
2014 1.24 2.09
2013 1.21 1.98
2012 1.28 1.97
2011 1.35 1.93
2010 1.39 1.91
2009 1.34 1.92
2008 1.39 1.93
2007 1.35 1.91
2006 1.37 1.87
2005 1.41 1.89
2004 1.4 1.97
2003 1.44 2
2002 1.46 2.01
2001 1.45 2.02
2000 1.55 2.03
1999 1.5 2
1998 1.47 2.1
1997 1.47 2.27
1996 1.44 2.47
1995 1.41 2.7
1994 1.45 2.94
1993 1.52 3.17
1992 1.54 3.35
1991 1.56 3.52
1990 1.56 3.6
1989 1.57 3.64
1988 1.61 3.62
1987 1.62 3.72
1986 1.66 3.96
1985 1.72 4.21
1984 1.9 4.41
1983 1.95 4.52
1982 2.07 4.59
1981 2.13 4.67
1980 2.25 4.8
1979 2.31 4.94
1978 2.45 5.1
1977 2.69 5.29
1976 2.82 5.46
1975 2.75 5.62
1974 2.7 5.78
1973 2.77 6.11
1972 2.86 6.1
1971 3 6.07
1970 3.01 6.02
1969 3.12 6.01
1968 3.12 6.03
1967 3.16 5.88
1966 3.16 5.97
1965 3.15 6.16
1964 3.21 6.29
1963 3.12 6.39
1962 3.23 6.26
1961 3.21 5.48
1960 3.16 6.27

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

GeoRank.org/birth-rate/portugal/vietnam | CC BY

According to the latest available data on birth rates, the fertility rate in Portugal was 1.44 children per woman in 2023, compared to 1.91 in Vietnam in 2023. The replacement level is considered to be 2.1 children per woman.

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

Natural population change by year

Portugal
Vietnam
1x
Year Natural population change
Portugal Vietnam
2023 -32,792 727,955
2022 -40,694 775,914
2021 -45,592 799,593
2020 -39,129 924,004
2019 -24,687 895,262
2018 -25,709 882,977
2017 -23,691 1,001,833
2016 -23,749 1,045,094
2015 -23,823 1,145,903
2014 -22,882 1,151,221
2013 -24,052 1,071,570
2012 -17,875 1,063,741
2011 -5,279 1,029,859
2010 -4,230 1,005,559
2009 -5,284 1,007,778
2008 0 1,008,141
2007 -1,055 981,689
2006 3,156 943,041
2005 2,101 942,084
2004 7,339 985,438
2003 4,184 1,001,470
2002 8,335 991,427
2001 8,290 985,610
2000 15,435 966,894
1999 8,175 925,519
1998 7,112 959,016
1997 8,087 1,028,116
1996 4,026 1,108,686
1995 4,011 1,203,666
1994 9,991 1,291,534
1993 7,972 1,370,365
1992 13,933 1,419,952
1991 12,948 1,459,311
1990 13,976 1,449,157
1989 22,011 1,423,622
1988 24,047 1,370,108
1987 28,084 1,359,481
1986 31,102 1,407,957
1985 33,077 1,453,954
1984 45,983 1,477,448
1983 47,798 1,453,913
1982 58,479 1,407,959
1981 56,152 1,358,500
1980 63,481 1,321,595
1979 67,628 1,314,563
1978 70,731 1,286,991
1977 84,156 1,259,315
1976 85,138 1,232,608
1975 81,841 1,175,181
1974 74,412 1,000,505
1973 76,835 1,061,707
1972 83,715 921,524
1971 82,980 963,259
1970 87,672 905,902
1969 89,329 878,359
1968 100,737 815,116
1967 106,495 862,071
1966 107,171 876,283
1965 115,182 913,761
1964 120,170 950,219
1963 113,783 961,067
1962 123,217 960,046
1961 117,867 798,978
1960 118,693 955,268

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

GeoRank.org/birth-rate/portugal/vietnam | 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 -0.31% in Portugal and +0.73% in Vietnam.

For the past 10 years, the annual natural population change has been -0.29% in Portugal and +0.97% in Vietnam.

Birth rate in Portugal vs Vietnam by year

Portugal
Vietnam

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Portugal Vietnam
2023 8.1 13.8
2022 8 14.3
2021 7.6 14.7
2020 8.1 15.2
2019 8.4 15.5
2018 8.4 15.4
2017 8.3 16.8
2016 8.4 17.3
2015 8.2 18.5
2014 7.9 18.7
2013 7.9 17.9
2012 8.5 17.9
2011 9.2 17.6
2010 9.6 17.4
2009 9.4 17.5
2008 9.9 17.7
2007 9.7 17.5
2006 10 17.2
2005 10.4 17.4
2004 10.4 18
2003 10.8 18.2
2002 11 18.1
2001 10.9 18.1
2000 11.7 18
1999 11.4 17.6
1998 11.2 18.3
1997 11.2 19.6
1996 11 21
1995 10.7 22.7
1994 10.9 24.5
1993 11.4 26.1
1992 11.5 27.3
1991 11.7 28.5
1990 11.7 28.9
1989 11.8 29
1988 12.2 28.7
1987 12.3 29.2
1986 12.6 30.7
1985 13 32.2
1984 14.3 33.3
1983 14.5 33.7
1982 15.2 33.6
1981 15.4 33.4
1980 16.2 33.5
1979 16.6 34.1
1978 17.5 34.3
1977 19.1 34.6
1976 20 34.9
1975 19.8 35.1
1974 19.6 35.5
1973 20 36.9
1972 20.2 36.4
1971 21 35.7
1970 20.8 35.2
1969 21.7 35.1
1968 22.1 35.2
1967 22.8 34.6
1966 23.2 35.4
1965 23.4 37.1
1964 24 38.6
1963 23.5 40
1962 24.5 40
1961 24.4 35.6
1960 24.1 41.6

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

GeoRank.org/birth-rate/portugal/vietnam | CC BY

The latest reported birth rate per 1,000 people in 2023 was 8.1 in Portugal and 13.8 in Vietnam, compared with 24.1 and 41.6, respectively, in 1960.

Birth rate data compared

Portugal Vietnam
Fertility rate 1.44 1.91
Fertility rate rank 157/196 103/196
Birth rate 8.1 13.8
Birth rate rank 175/196 103/196
Population change due to births and deaths -32,792 +727,955
Natural population change rank 179/196 27/196
Natural population change rate -0.31% +0.73%
Population growth +1.1% +0.63%
Population growth rank 94/197 123/197
Age at first childbirth 30.2 years n/a
Average age at childbearing 32.1 years 27.2 years
Annual births per 1,000 women ages 15-19 5.74 34.7
Annual births per 1,000 women ages 20-29 48.5 112.4
Annual births per 1,000 women ages 30+ 14.2 14.7
Female of reproductive age (15-49), share of population 20.6% 25.7%
Any modern method of contraceptive prevalence among married women ages 15-49 37.7% 59.8%
Share of births attended by skilled health staff 98.6% 96.1%
Maternal mortality per live birth 0.02% 0.05%
Neonatal mortality rate (before reaching 28 days of age) 0.16% 1.03%
Infant mortality rate (before reaching 1 year of age) 0.26% 1.4%
Mortality rate before reaching 5 years of age 0.32% 2%
Life expectancy 82.9 years 75 years

Children 0-14 years as share of population

Portugal
Factual

UN forecast
Vietnam
Factual

UN forecast
1x
Year Young
Portugal Vietnam
2100 13.8% 13.2%
2099 13.8% 13.2%
2098 13.8% 13.3%
2097 13.8% 13.3%
2096 13.9% 13.3%
2095 13.9% 13.4%
2094 13.9% 13.4%
2093 14% 13.5%
2092 14% 13.5%
2091 14% 13.6%
2090 14.1% 13.7%
2089 14.1% 13.7%
2088 14.1% 13.8%
2087 14.1% 13.9%
2086 14.2% 14%
2085 14.2% 14%
2084 14.2% 14.1%
2083 14.2% 14.2%
2082 14.2% 14.2%
2081 14.2% 14.3%
2080 14.2% 14.3%
2079 14.2% 14.4%
2078 14.2% 14.4%
2077 14.1% 14.4%
2076 14.1% 14.4%
2075 14.1% 14.5%
2074 14% 14.5%
2073 14% 14.5%
2072 13.9% 14.5%
2071 13.9% 14.5%
2070 13.8% 14.5%
2069 13.8% 14.5%
2068 13.7% 14.5%
2067 13.7% 14.6%
2066 13.6% 14.6%
2065 13.6% 14.7%
2064 13.5% 14.8%
2063 13.5% 14.9%
2062 13.5% 15%
2061 13.5% 15.1%
2060 13.5% 15.3%
2059 13.5% 15.4%
2058 13.5% 15.6%
2057 13.5% 15.8%
2056 13.5% 16%
2055 13.5% 16.2%
2054 13.5% 16.4%
2053 13.5% 16.6%
2052 13.5% 16.7%
2051 13.5% 16.9%
2050 13.5% 17%
2049 13.5% 17.1%
2048 13.4% 17.2%
2047 13.4% 17.3%
2046 13.4% 17.4%
2045 13.3% 17.4%
2044 13.3% 17.5%
2043 13.2% 17.5%
2042 13.1% 17.5%
2041 13.1% 17.6%
2040 13% 17.6%
2039 13% 17.7%
2038 13% 17.8%
2037 12.9% 18%
2036 12.8% 18.2%
2035 12.8% 18.4%
2034 12.7% 18.7%
2033 12.7% 18.9%
2032 12.7% 19.3%
2031 12.7% 19.7%
2030 12.7% 20.2%
2029 12.6% 20.8%
2028 12.6% 21.4%
2027 12.6% 22.2%
2026 12.7% 22.7%
2025 12.8% 23%
2024 12.8% 23.2%
2023 12.9% 23.6%
2022 13% 23.9%
2021 13.1% 24.2%
2020 13.3% 24.4%
2019 13.5% 24.5%
2018 13.7% 24.6%
2017 13.9% 24.4%
2016 14.1% 24.1%
2015 14.3% 24%
2014 14.6% 24%
2013 14.8% 23.9%
2012 14.9% 24%
2011 15% 24.2%
2010 15.2% 24.6%
2009 15.4% 25.1%
2008 15.5% 25.6%
2007 15.6% 26.2%
2006 15.8% 26.9%
2005 15.9% 27.7%
2004 16% 28.5%
2003 16.1% 29.2%
2002 16.1% 29.9%
2001 16.2% 30.6%
2000 16.4% 31.5%
1999 16.6% 32.5%
1998 16.8% 33.5%
1997 17.1% 34.5%
1996 17.4% 35.4%
1995 17.8% 36.1%
1994 18.2% 36.7%
1993 18.6% 37.2%
1992 19.1% 37.7%
1991 19.7% 38.1%
1990 20.5% 38.5%
1989 21.2% 38.8%
1988 21.9% 39.2%
1987 22.5% 39.6%
1986 23.1% 39.9%
1985 23.7% 40.1%
1984 24.1% 40.1%
1983 24.5% 40.2%
1982 25% 40.2%
1981 25.4% 40.2%
1980 25.9% 40.3%
1979 26.4% 40.4%
1978 26.8% 40.6%
1977 27.1% 41%
1976 27.2% 41.2%
1975 27.4% 41.4%
1974 27.7% 41.8%
1973 27.9% 42.1%
1972 28.2% 42.4%
1971 28.4% 42.7%
1970 28.7% 42.9%
1969 29.1% 43.2%
1968 29.2% 43.4%
1967 29.2% 43.5%
1966 29.2% 43.6%
1965 29.1% 43.5%
1964 29.1% 43.4%
1963 29.1% 43.1%
1962 29.1% 42.4%
1961 29.1% 41.8%
1960 29.3% 41.1%

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/portugal/vietnam | CC BY

Children aged 0-14 make up 12.8% of the population in Portugal and 23.2% in Vietnam in 2024, compared to 20.5% and 38.5% respectively in 1990.

Demographics of Portugal and Vietnam compared.

Fertility rates around the globe

1x

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

GeoRank.org/birth-rate/portugal/vietnam | CC BY

Maternal mortality chart: Portugal vs Vietnam

Portugal
Vietnam
1x
Year Maternal mortality per 100K births
Portugal Vietnam
2023 15 48
2022 16 49
2021 19 52
2020 14 51
2019 15 52
2018 14 53
2017 13 55
2016 12 56
2015 11 58
2014 11 59
2013 10 60
2012 10 60
2011 10 61
2010 10 62
2009 9 64
2008 9 65
2007 8 66
2006 8 67
2005 8 69
2004 8 72
2003 8 71
2002 9 74
2001 9 78
2000 9 83
1999 10 86
1998 11 93
1997 12 104
1996 12 111
1995 12 119
1994 13 130
1993 15 135
1992 16 139
1991 17 142
1990 17 147
1989 18 152
1988 18 155
1987 19 163
1986 19 174
1985 20 186

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

GeoRank.org/birth-rate/portugal/vietnam | CC BY

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 15 deaths per 100,000 live births in Portugal, compared to 48 deaths in Vietnam.

Under-five mortality rates

Portugal
Vietnam

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Portugal Vietnam
2023 0.32% 2%
2022 0.32% 2.04%
2021 0.33% 2.07%
2020 0.34% 2.1%
2019 0.35% 2.12%
2018 0.35% 2.14%
2017 0.36% 2.15%
2016 0.36% 2.18%
2015 0.36% 2.2%
2014 0.36% 2.22%
2013 0.36% 2.24%
2012 0.37% 2.26%
2011 0.37% 2.28%
2010 0.38% 2.31%
2009 0.39% 2.33%
2008 0.4% 2.36%
2007 0.42% 2.4%
2006 0.44% 2.45%
2005 0.47% 2.5%
2004 0.5% 2.57%
2003 0.55% 2.65%
2002 0.61% 2.74%
2001 0.66% 2.86%
2000 0.72% 2.98%
1999 0.77% 3.13%
1998 0.82% 3.29%
1997 0.86% 3.48%
1996 0.92% 3.68%
1995 0.98% 3.9%
1994 1.05% 4.14%
1993 1.14% 4.39%
1992 1.25% 4.64%
1991 1.36% 4.9%
1990 1.47% 5.15%
1989 1.59% 5.4%
1988 1.7% 5.64%
1987 1.82% 5.85%
1986 1.93% 6.04%
1985 2.04% 6.21%
1984 2.16% 6.36%
1983 2.29% 6.5%
1982 2.43% 6.64%
1981 2.58% 6.79%
1980 2.75% 6.94%
1979 2.97% 7.1%
1978 3.24% 7.27%
1977 3.57% 7.44%
1976 3.94% 7.6%
1975 4.35% 7.75%
1974 4.79% 10.7%
1973 5.27% 10.4%
1972 5.78% 11.9%
1971 6.3% 10.5%
1970 6.81% 10.7%
1969 7.22% 10.8%
1968 7.51% 11.6%
1967 7.76% 10%
1966 8.09% 9.97%
1965 8.53% 9.93%
1964 9.1% 8.73%
1963 9.76% -
1962 10.4% -
1961 11% -
1960 11.4% -

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

GeoRank.org/birth-rate/portugal/vietnam | CC BY

The chance that a newborn baby will die before reaching age five is 0.32% in Portugal and 2% in Vietnam. 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. United Nations Economic Commission for Europe (UNECE) (2023, retrieved 2026-03-10)

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