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Fertility & birth rates in Portugal and Slovakia

Updated on by Georank team

Portugal has an annual birth rate of 8.1 births per 1,000 people, compared to 9 for Slovakia. The average number of children a woman is expected to have during her lifetime — the fertility rate, is 1.44 in Portugal and 1.49 in Slovakia — 3.47% difference.

1960 vs 2023, the fertility rate has decreased by 54.4% in Portugal and by 51% in Slovakia — in 1960, it was 3.16 and 3.04, respectively.

  • Portugal is ranked 175/196 by birth rate compared to 162/196 for Slovakia.
  • The mean age for first-time mothers is 30.2 years in Portugal, compared to 27.3 years in Slovakia.
  • The mean age at childbearing (for all the births, not just the first) is 32.1 in Portugal — it's 29.1 in Slovakia.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 6.99 in Portugal vs 24.6 in Slovakia.
  • In Portugal, 20.6% of the population is composed of women of reproductive age (15-49), compared to 22.5% in Slovakia.

Fertility rate in Portugal vs Slovakia by year

Portugal
Slovakia
1x
Year Fertility rate
Portugal Slovakia
2023 1.44 1.49
2022 1.43 1.57
2021 1.35 1.63
2020 1.42 1.59
2019 1.44 1.57
2018 1.42 1.54
2017 1.38 1.52
2016 1.37 1.48
2015 1.31 1.4
2014 1.24 1.37
2013 1.21 1.34
2012 1.28 1.34
2011 1.35 1.45
2010 1.39 1.43
2009 1.34 1.44
2008 1.39 1.34
2007 1.35 1.27
2006 1.37 1.25
2005 1.41 1.27
2004 1.4 1.25
2003 1.44 1.2
2002 1.46 1.19
2001 1.45 1.2
2000 1.55 1.3
1999 1.5 1.33
1998 1.47 1.37
1997 1.47 1.43
1996 1.44 1.47
1995 1.41 1.52
1994 1.45 1.67
1993 1.52 1.87
1992 1.54 1.93
1991 1.56 2.05
1990 1.56 2.09
1989 1.57 2.07
1988 1.61 2.13
1987 1.62 2.14
1986 1.66 2.2
1985 1.72 2.26
1984 1.9 2.26
1983 1.95 2.28
1982 2.07 2.28
1981 2.13 2.29
1980 2.25 2.32
1979 2.31 2.45
1978 2.45 2.47
1977 2.69 2.49
1976 2.82 2.55
1975 2.75 2.55
1974 2.7 2.61
1973 2.77 2.56
1972 2.86 2.49
1971 3 2.43
1970 3.01 2.41
1969 3.12 2.43
1968 3.12 2.39
1967 3.16 2.48
1966 3.16 2.66
1965 3.15 2.78
1964 3.21 2.89
1963 3.12 2.92
1962 3.23 2.83
1961 3.21 2.96
1960 3.16 3.04

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

GeoRank.org/birth-rate/portugal/slovakia | 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 1.49 in Slovakia in 2023. The replacement level is considered to be 2.1 children per woman.

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

Natural population change by year

Portugal
Slovakia
1x
Year Natural population change
Portugal Slovakia
2023 -32,792 -5,427
2022 -40,694 -7,062
2021 -45,592 -16,886
2020 -39,129 -2,184
2019 -24,687 3,818
2018 -25,709 3,268
2017 -23,691 4,351
2016 -23,749 5,431
2015 -23,823 2,170
2014 -22,882 3,793
2013 -24,052 2,707
2012 -17,875 3,245
2011 -5,279 9,177
2010 -4,230 7,008
2009 -5,284 8,619
2008 0 4,303
2007 -1,055 537
2006 3,156 537
2005 2,101 537
2004 7,339 1,611
2003 4,184 -537
2002 8,335 -538
2001 8,290 -1,076
2000 15,435 2,155
1999 8,175 3,777
1998 7,112 4,312
1997 8,087 6,999
1996 4,026 9,135
1995 4,011 9,115
1994 9,991 14,970
1993 7,972 20,769
1992 13,933 21,220
1991 12,948 23,865
1990 13,976 25,436
1989 22,011 26,380
1988 24,047 30,979
1987 28,084 31,859
1986 31,102 34,279
1985 33,077 37,680
1984 45,983 38,966
1983 47,798 39,717
1982 58,479 41,958
1981 56,152 43,640
1980 63,481 44,320
1979 67,628 52,353
1978 70,731 52,324
1977 84,156 52,762
1976 85,138 54,121
1975 81,841 52,604
1974 74,412 52,524
1973 76,835 49,199
1972 83,715 46,426
1971 82,980 40,105
1970 87,672 38,575
1969 89,329 39,312
1968 100,737 38,113
1967 106,495 41,824
1966 107,171 45,440
1965 115,182 48,517
1964 120,170 54,092
1963 113,783 54,382
1962 123,217 49,587
1961 117,867 55,749
1960 118,693 56,546

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

GeoRank.org/birth-rate/portugal/slovakia | 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 -0.1% in Slovakia.

For the past 10 years, the annual natural population change has been -0.29% in Portugal and -0.02% in Slovakia.

Birth rate in Portugal vs Slovakia by year

Portugal
Slovakia

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Portugal Slovakia
2023 8.1 9
2022 8 9.7
2021 7.6 10.4
2020 8.1 10.4
2019 8.4 10.5
2018 8.4 10.6
2017 8.3 10.7
2016 8.4 10.6
2015 8.2 10.3
2014 7.9 10.2
2013 7.9 10.1
2012 8.5 10.3
2011 9.2 11.3
2010 9.6 11.2
2009 9.4 11.4
2008 9.9 10.7
2007 9.7 10.1
2006 10 10
2005 10.4 10.1
2004 10.4 10
2003 10.8 9.6
2002 11 9.5
2001 10.9 9.5
2000 11.7 10.2
1999 11.4 10.4
1998 11.2 10.7
1997 11.2 11
1996 11 11.2
1995 10.7 11.5
1994 10.9 12.4
1993 11.4 13.8
1992 11.5 14.1
1991 11.7 14.8
1990 11.7 15.1
1989 11.8 15.2
1988 12.2 15.9
1987 12.3 16.1
1986 12.6 16.8
1985 13 17.5
1984 14.3 17.7
1983 14.5 18.1
1982 15.2 18.3
1981 15.4 18.6
1980 16.2 19.1
1979 16.6 20.3
1978 17.5 20.5
1977 19.1 20.6
1976 20 20.8
1975 19.8 20.6
1974 19.6 20.8
1973 20 20
1972 20.2 19.1
1971 21 18.2
1970 20.8 17.8
1969 21.7 17.7
1968 22.1 17
1967 22.8 17.4
1966 23.2 18.5
1965 23.4 19.3
1964 24 20.1
1963 23.5 20.4
1962 24.5 19.8
1961 24.4 20.8
1960 24.1 21.7

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

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

The latest reported birth rate per 1,000 people in 2023 was 8.1 in Portugal and 9 in Slovakia, compared with 24.1 and 21.7, respectively, in 1960.

Birth rate data compared

Portugal Slovakia
Fertility rate 1.44 1.49
Fertility rate rank 157/196 147/196
Birth rate 8.1 9
Birth rate rank 175/196 162/196
Population change due to births and deaths -32,792 -5,427
Natural population change rank 179/196 169/196
Natural population change rate -0.31% -0.1%
Population growth +1.1% -0.09%
Population growth rank 94/197 172/197
Age at first childbirth 30.2 years 27.3 years
Average age at childbearing 32.1 years 29.1 years
Annual births per 1,000 women ages 15-19 5.74 24.1
Annual births per 1,000 women ages 20-29 48.5 74
Annual births per 1,000 women ages 30+ 14.2 12.7
Female of reproductive age (15-49), share of population 20.6% 22.5%
Any modern method of contraceptive prevalence among married women ages 15-49 37.7% n/a
Share of births attended by skilled health staff 98.6% 98%
Maternal mortality per live birth 0.02% 0.004%
Neonatal mortality rate (before reaching 28 days of age) 0.16% 0.3%
Infant mortality rate (before reaching 1 year of age) 0.26% 0.51%
Mortality rate before reaching 5 years of age 0.32% 0.61%
Life expectancy 82.9 years 78.8 years

Children 0-14 years as share of population

Portugal
Factual

UN forecast
Slovakia
Factual

UN forecast
1x
Year Young
Portugal Slovakia
2100 13.8% 12.2%
2099 13.8% 12.3%
2098 13.8% 12.3%
2097 13.8% 12.4%
2096 13.9% 12.5%
2095 13.9% 12.5%
2094 13.9% 12.6%
2093 14% 12.7%
2092 14% 12.7%
2091 14% 12.8%
2090 14.1% 12.8%
2089 14.1% 12.9%
2088 14.1% 12.9%
2087 14.1% 12.9%
2086 14.2% 12.9%
2085 14.2% 12.9%
2084 14.2% 12.8%
2083 14.2% 12.8%
2082 14.2% 12.7%
2081 14.2% 12.7%
2080 14.2% 12.6%
2079 14.2% 12.5%
2078 14.2% 12.5%
2077 14.1% 12.4%
2076 14.1% 12.4%
2075 14.1% 12.3%
2074 14% 12.3%
2073 14% 12.3%
2072 13.9% 12.3%
2071 13.9% 12.3%
2070 13.8% 12.3%
2069 13.8% 12.4%
2068 13.7% 12.4%
2067 13.7% 12.5%
2066 13.6% 12.6%
2065 13.6% 12.6%
2064 13.5% 12.7%
2063 13.5% 12.8%
2062 13.5% 12.9%
2061 13.5% 13%
2060 13.5% 13.1%
2059 13.5% 13.2%
2058 13.5% 13.2%
2057 13.5% 13.3%
2056 13.5% 13.3%
2055 13.5% 13.3%
2054 13.5% 13.3%
2053 13.5% 13.2%
2052 13.5% 13.2%
2051 13.5% 13.1%
2050 13.5% 13.1%
2049 13.5% 13%
2048 13.4% 12.9%
2047 13.4% 12.9%
2046 13.4% 12.8%
2045 13.3% 12.7%
2044 13.3% 12.7%
2043 13.2% 12.7%
2042 13.1% 12.7%
2041 13.1% 12.7%
2040 13% 12.8%
2039 13% 12.8%
2038 13% 12.9%
2037 12.9% 13.1%
2036 12.8% 13.3%
2035 12.8% 13.5%
2034 12.7% 13.7%
2033 12.7% 14%
2032 12.7% 14.2%
2031 12.7% 14.5%
2030 12.7% 14.7%
2029 12.6% 14.9%
2028 12.6% 15.1%
2027 12.6% 15.2%
2026 12.7% 15.5%
2025 12.8% 15.7%
2024 12.8% 15.8%
2023 12.9% 15.9%
2022 13% 16%
2021 13.1% 15.9%
2020 13.3% 15.9%
2019 13.5% 15.8%
2018 13.7% 15.7%
2017 13.9% 15.5%
2016 14.1% 15.4%
2015 14.3% 15.3%
2014 14.6% 15.3%
2013 14.8% 15.3%
2012 14.9% 15.4%
2011 15% 15.4%
2010 15.2% 15.5%
2009 15.4% 15.5%
2008 15.5% 15.7%
2007 15.6% 16%
2006 15.8% 16.4%
2005 15.9% 16.9%
2004 16% 17.3%
2003 16.1% 17.9%
2002 16.1% 18.4%
2001 16.2% 19%
2000 16.4% 19.7%
1999 16.6% 20.3%
1998 16.8% 20.9%
1997 17.1% 21.5%
1996 17.4% 22.1%
1995 17.8% 22.7%
1994 18.2% 23.3%
1993 18.6% 23.9%
1992 19.1% 24.4%
1991 19.7% 24.8%
1990 20.5% 25.2%
1989 21.2% 25.7%
1988 21.9% 26.1%
1987 22.5% 26.3%
1986 23.1% 26.4%
1985 23.7% 26.5%
1984 24.1% 26.4%
1983 24.5% 26.3%
1982 25% 26.2%
1981 25.4% 26.1%
1980 25.9% 26.1%
1979 26.4% 26.1%
1978 26.8% 26.1%
1977 27.1% 26%
1976 27.2% 26%
1975 27.4% 26%
1974 27.7% 26.1%
1973 27.9% 26.2%
1972 28.2% 26.6%
1971 28.4% 27%
1970 28.7% 27.5%
1969 29.1% 28.1%
1968 29.2% 28.6%
1967 29.2% 29.3%
1966 29.2% 29.9%
1965 29.1% 30.4%
1964 29.1% 30.8%
1963 29.1% 31%
1962 29.1% 31.3%
1961 29.1% 31.5%
1960 29.3% 31.5%

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/portugal/slovakia | CC BY

Children aged 0-14 make up 12.8% of the population in Portugal and 15.8% in Slovakia in 2024, compared to 20.5% and 25.2% respectively in 1990.

Demographics of Portugal and Slovakia compared.

Fertility rates around the globe

1x

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

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

Maternal mortality chart: Portugal vs Slovakia

Portugal
Slovakia
1x
Year Maternal mortality per 100K births
Portugal Slovakia
2023 15 4
2022 16 5
2021 19 12
2020 14 4
2019 15 5
2018 14 5
2017 13 5
2016 12 5
2015 11 5
2014 11 5
2013 10 5
2012 10 5
2011 10 5
2010 10 5
2009 9 6
2008 9 5
2007 8 6
2006 8 6
2005 8 7
2004 8 7
2003 8 7
2002 9 7
2001 9 8
2000 9 8
1999 10 9
1998 11 10
1997 12 10
1996 12 10
1995 12 11
1994 13 12
1993 15 14
1992 16 15
1991 17 17
1990 17 18
1989 18 17
1988 18 18
1987 19 19
1986 19 19
1985 20 19

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

GeoRank.org/birth-rate/portugal/slovakia | 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 4 deaths in Slovakia.

Under-five mortality rates

Portugal
Slovakia

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Portugal Slovakia
2023 0.32% 0.61%
2022 0.32% 0.6%
2021 0.33% 0.6%
2020 0.34% 0.59%
2019 0.35% 0.59%
2018 0.35% 0.6%
2017 0.36% 0.6%
2016 0.36% 0.61%
2015 0.36% 0.62%
2014 0.36% 0.63%
2013 0.36% 0.64%
2012 0.37% 0.66%
2011 0.37% 0.67%
2010 0.38% 0.69%
2009 0.39% 0.71%
2008 0.4% 0.74%
2007 0.42% 0.77%
2006 0.44% 0.8%
2005 0.47% 0.83%
2004 0.5% 0.86%
2003 0.55% 0.88%
2002 0.61% 0.91%
2001 0.66% 0.93%
2000 0.72% 0.96%
1999 0.77% 1%
1998 0.82% 1.05%
1997 0.86% 1.09%
1996 0.92% 1.14%
1995 0.98% 1.2%
1994 1.05% 1.25%
1993 1.14% 1.31%
1992 1.25% 1.37%
1991 1.36% 1.42%
1990 1.47% 1.47%
1989 1.59% 1.53%
1988 1.7% 1.59%
1987 1.82% 1.65%
1986 1.93% 1.73%
1985 2.04% 1.82%
1984 2.16% 1.91%
1983 2.29% 1.99%
1982 2.43% 2.08%
1981 2.58% 2.17%
1980 2.75% 2.27%
1979 2.97% 2.36%
1978 3.24% 2.46%
1977 3.57% 2.55%
1976 3.94% 2.64%
1975 4.35% 2.72%
1974 4.79% 2.78%
1973 5.27% 2.84%
1972 5.78% 2.89%
1971 6.3% 2.92%
1970 6.81% 2.95%
1969 7.22% 2.97%
1968 7.51% 3%
1967 7.76% 3.02%
1966 8.09% 3.05%
1965 8.53% 3.08%
1964 9.1% 3.14%
1963 9.76% 3.21%
1962 10.4% 3.32%
1961 11% 3.47%
1960 11.4% 3.67%

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

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

The chance that a newborn baby will die before reaching age five is 0.32% in Portugal and 0.61% in Slovakia. 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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