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Fertility & birth rates in Croatia and Sao Tome and Principe

Updated on by Georank team

Croatia has an annual birth rate of 8.3 births per 1,000 people, compared to 28.2 for Sao Tome and Principe. The average number of children a woman is expected to have during her lifetime — the fertility rate, is 1.46 in Croatia and 3.64 in Sao Tome and Principe — 149.6% difference.

1960 vs 2023, the fertility rate has decreased by 34.8% in Croatia and by 41.6% in Sao Tome and Principe — in 1960, it was 2.24 and 6.24, respectively.

  • Croatia is ranked 171/196 by birth rate compared to 39/196 for Sao Tome and Principe.
  • The mean age for first-time mothers is 29.3 years in Croatia, compared to 19.4 years in Sao Tome and Principe.
  • The mean age at childbearing (for all the births, not just the first) is 31 in Croatia — it's 28.4 in Sao Tome and Principe.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 6.57 in Croatia vs 86.2 in Sao Tome and Principe.
  • In Croatia, 20.4% of the population is composed of women of reproductive age (15-49), compared to 25.2% in Sao Tome and Principe.

Fertility rate in Croatia vs Sao Tome and Principe by year

Croatia
Sao Tome and Principe
1x
Year Fertility rate
Croatia Sao Tome
2023 1.46 3.64
2022 1.53 3.7
2021 1.62 3.76
2020 1.48 3.83
2019 1.47 3.9
2018 1.47 3.98
2017 1.42 4.07
2016 1.43 4.2
2015 1.41 4.35
2014 1.46 4.49
2013 1.46 4.58
2012 1.52 4.66
2011 1.41 4.72
2010 1.46 4.77
2009 1.5 4.84
2008 1.47 4.91
2007 1.48 4.96
2006 1.47 4.93
2005 1.5 4.94
2004 1.43 4.96
2003 1.41 5.01
2002 1.42 5.06
2001 1.46 5.1
2000 1.39 5.16
1999 1.38 5.23
1998 1.45 5.3
1997 1.69 5.4
1996 1.67 5.47
1995 1.58 5.55
1994 1.47 5.56
1993 1.52 5.64
1992 1.48 5.7
1991 1.53 5.77
1990 1.63 5.83
1989 1.63 5.88
1988 1.79 5.94
1987 1.64 5.99
1986 1.76 6.05
1985 1.82 6.1
1984 1.87 6.16
1983 1.88 6.22
1982 1.9 6.28
1981 1.93 6.33
1980 1.93 6.39
1979 1.95 6.43
1978 1.96 6.47
1977 1.95 6.5
1976 1.94 6.52
1975 1.95 6.53
1974 1.98 6.53
1973 2.01 6.53
1972 2.01 6.51
1971 1.97 6.49
1970 1.88 6.47
1969 1.95 6.44
1968 2.03 6.42
1967 2.1 6.39
1966 2.23 6.37
1965 2.22 6.35
1964 2.14 6.33
1963 2.15 6.31
1962 2.19 6.28
1961 2.22 6.26
1960 2.24 6.24

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

GeoRank.org/birth-rate/croatia/sao-tome-and-principe | CC BY

According to the latest available data on birth rates, the fertility rate in Croatia was 1.46 children per woman in 2023, compared to 3.64 in Sao Tome and Principe in 2023. The replacement level is considered to be 2.1 children per woman.

Check Croatia vs Sao Tome and Principe population clock for a dynamic visualization of the changing population.

Natural population change by year

Croatia
Sao Tome and Principe
1x
Year Natural population change
Croatia Sao Tome
2023 -19,298 5,221
2022 -23,134 5,102
2021 -26,377 4,954
2020 -20,354 4,874
2019 -15,008 4,932
2018 -15,557 4,957
2017 -16,570 5,007
2016 -13,553 5,125
2015 -16,607 5,269
2014 -11,345 5,381
2013 -10,162 5,449
2012 -9,799 5,501
2011 -9,846 5,445
2010 -8,591 5,391
2009 -7,319 5,349
2008 -8,188 5,297
2007 -10,335 5,226
2006 -8,669 5,057
2005 -9,022 4,897
2004 -9,040 4,810
2003 -12,480 4,702
2002 -10,325 4,591
2001 -8,599 4,471
2000 -6,255 4,334
1999 -6,769 4,221
1998 -4,985 4,120
1997 3,175 4,041
1996 3,190 3,993
1995 0 3,948
1994 -930 3,860
1993 -2,301 3,841
1992 -4,576 3,822
1991 -2,813 3,801
1990 3,344 3,719
1989 3,337 3,576
1988 5,707 3,544
1987 6,161 3,440
1986 8,499 3,180
1985 10,343 3,242
1984 10,764 3,163
1983 10,714 3,100
1982 15,756 3,047
1981 15,680 3,015
1980 17,939 2,965
1979 21,136 2,893
1978 20,157 2,800
1977 22,798 2,705
1976 22,226 2,608
1975 21,658 2,515
1974 22,453 2,422
1973 21,904 2,329
1972 17,802 2,232
1971 19,941 2,127
1970 16,767 1,980
1969 16,688 1,862
1968 21,828 1,767
1967 26,032 1,693
1966 33,192 1,642
1965 31,251 1,611
1964 25,942 1,600
1963 31,270 1,609
1962 30,216 1,625
1961 36,255 1,657
1960 34,778 1,547

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

GeoRank.org/birth-rate/croatia/sao-tome-and-principe | 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 -0.5% in Croatia and +2.26% in Sao Tome and Principe.

For the past 10 years, the annual natural population change has been -0.45% in Croatia and +2.4% in Sao Tome and Principe.

Birth rate in Croatia vs Sao Tome and Principe by year

Croatia
Sao Tome and Principe

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Croatia Sao Tome
2023 8.3 28.2
2022 8.8 28.3
2021 9.4 28.5
2020 8.9 28.6
2019 8.9 29.2
2018 9 29.8
2017 8.9 30.6
2016 9 31.7
2015 8.9 33
2014 9.3 34.3
2013 9.4 35.4
2012 9.8 36.4
2011 9.6 36.8
2010 9.8 37.3
2009 10.1 37.9
2008 9.9 38.5
2007 9.4 38.9
2006 9.33 38.9
2005 9.56 39
2004 9.1 39.2
2003 8.9 39.6
2002 9 39.8
2001 9.2 40
2000 9.8 39.7
1999 10 39.4
1998 10.4 39.2
1997 12.2 39.2
1996 11.8 39.3
1995 10.9 39.5
1994 10.4 39.4
1993 10.6 39.8
1992 10.3 40.2
1991 11.1 40.7
1990 11.6 40.7
1989 11.7 40.9
1988 12.3 40.9
1987 12.5 41
1986 12.8 41
1985 13.3 41
1984 13.9 41.1
1983 14.1 41.2
1982 14.4 41.3
1981 14.6 41.5
1980 14.8 41.6
1979 15.1 41.6
1978 15 41.4
1977 14.9 41.3
1976 14.8 41.1
1975 14.9 40.9
1974 15 40.6
1973 15.1 40.3
1972 14.8 39.9
1971 14.6 39.5
1970 13.8 38.8
1969 14.5 38.2
1968 15 37.8
1967 15.5 37.7
1966 16.5 38
1965 16.6 38.6
1964 16.2 39.7
1963 16.5 41.1
1962 17.2 42.7
1961 17.8 44.6
1960 18.4 44.6

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

GeoRank.org/birth-rate/croatia/sao-tome-and-principe | CC BY

The latest reported birth rate per 1,000 people in 2023 was 8.3 in Croatia and 28.2 in Sao Tome and Principe, compared with 18.4 and 44.6, respectively, in 1960.

Birth rate data compared

Croatia Sao Tome
Fertility rate 1.46 3.64
Fertility rate rank 153/196 41/196
Birth rate 8.3 28.2
Birth rate rank 171/196 39/196
Population change due to births and deaths -19,298 +5,221
Natural population change rank 177/196 126/196
Natural population change rate -0.5% +2.26%
Population growth +0.17% +2.02%
Population growth rank 157/197 49/197
Age at first childbirth 29.3 years 19.4 years
Average age at childbearing 31 years 28.4 years
Annual births per 1,000 women ages 15-19 5.75 82.5
Annual births per 1,000 women ages 20-29 59.4 169.9
Annual births per 1,000 women ages 30+ 12.7 47.4
Female of reproductive age (15-49), share of population 20.4% 25.2%
Any modern method of contraceptive prevalence among married women ages 15-49 n/a 46%
Share of births attended by skilled health staff 99.9% 96.8%
Maternal mortality per live birth 0.003% 0.08%
Neonatal mortality rate (before reaching 28 days of age) 0.28% 0.68%
Infant mortality rate (before reaching 1 year of age) 0.39% 0.94%
Mortality rate before reaching 5 years of age 0.46% 1.39%
Life expectancy 79.1 years 70.3 years

Children 0-14 years as share of population

Croatia
Factual

UN forecast
Sao Tome and Principe
Factual

UN forecast
1x
Year Young
Croatia Sao Tome
2100 11.6% 19.5%
2099 11.6% 19.6%
2098 11.7% 19.8%
2097 11.7% 19.9%
2096 11.7% 20%
2095 11.8% 20.2%
2094 11.8% 20.3%
2093 11.8% 20.4%
2092 11.9% 20.6%
2091 11.9% 20.7%
2090 12% 20.9%
2089 12% 21.1%
2088 12% 21.2%
2087 12.1% 21.4%
2086 12.1% 21.6%
2085 12.1% 21.8%
2084 12.1% 22%
2083 12.1% 22.2%
2082 12.1% 22.4%
2081 12.1% 22.6%
2080 12.1% 22.9%
2079 12.1% 23.1%
2078 12.1% 23.3%
2077 12% 23.5%
2076 12% 23.7%
2075 12% 24%
2074 12% 24.2%
2073 11.9% 24.4%
2072 11.9% 24.6%
2071 11.9% 24.8%
2070 11.9% 25%
2069 11.9% 25.2%
2068 11.9% 25.4%
2067 11.9% 25.6%
2066 12% 25.9%
2065 12% 26.1%
2064 12% 26.3%
2063 12.1% 26.5%
2062 12.1% 26.8%
2061 12.2% 27%
2060 12.3% 27.3%
2059 12.3% 27.5%
2058 12.4% 27.8%
2057 12.5% 28.1%
2056 12.5% 28.4%
2055 12.6% 28.7%
2054 12.6% 29%
2053 12.7% 29.4%
2052 12.7% 29.7%
2051 12.7% 30.1%
2050 12.8% 30.4%
2049 12.8% 30.8%
2048 12.8% 31.1%
2047 12.8% 31.5%
2046 12.7% 31.8%
2045 12.7% 32.1%
2044 12.7% 32.5%
2043 12.7% 32.8%
2042 12.6% 33.1%
2041 12.6% 33.4%
2040 12.6% 33.6%
2039 12.6% 33.9%
2038 12.6% 34.1%
2037 12.6% 34.4%
2036 12.7% 34.6%
2035 12.7% 34.7%
2034 12.8% 34.9%
2033 12.8% 35.1%
2032 12.9% 35.3%
2031 12.9% 35.5%
2030 13% 35.8%
2029 13.1% 36.1%
2028 13.2% 36.6%
2027 13.4% 37%
2026 13.6% 37.3%
2025 13.8% 37.6%
2024 13.9% 37.8%
2023 14.1% 38.3%
2022 14.3% 38.8%
2021 14.4% 39.4%
2020 14.5% 39.9%
2019 14.5% 40.5%
2018 14.6% 40.9%
2017 14.6% 41.4%
2016 14.6% 41.7%
2015 14.6% 41.9%
2014 14.7% 42%
2013 14.8% 42%
2012 15% 42%
2011 15.1% 42%
2010 15.3% 42.1%
2009 15.4% 42.1%
2008 15.4% 42.1%
2007 15.5% 42%
2006 15.7% 42%
2005 15.8% 42%
2004 16% 42.1%
2003 16.3% 42.2%
2002 16.5% 42.3%
2001 16.7% 42.5%
2000 16.9% 42.8%
1999 17.1% 43.4%
1998 17.3% 43.9%
1997 17.5% 44.3%
1996 17.7% 44.7%
1995 18% 44.9%
1994 18.4% 45.1%
1993 18.8% 45.2%
1992 19.2% 45.2%
1991 19.5% 45.1%
1990 19.8% 45.1%
1989 20.1% 45%
1988 20.3% 45%
1987 20.5% 44.9%
1986 20.7% 44.7%
1985 20.8% 44.5%
1984 20.9% 44.4%
1983 20.9% 44.5%
1982 21% 44.5%
1981 21% 44.7%
1980 21.1% 44.9%
1979 21.2% 45.1%
1978 21.3% 45.2%
1977 21.4% 45.3%
1976 21.6% 45.4%
1975 21.8% 45.5%
1974 22% 45.6%
1973 22.2% 45.7%
1972 22.4% 45.9%
1971 22.8% 46.1%
1970 23.2% 46.2%
1969 23.7% 45.8%
1968 24.3% 44.9%
1967 24.8% 44%
1966 25.2% 42.9%
1965 25.7% 41.6%
1964 26.1% 40.2%
1963 26.5% 38.5%
1962 26.8% 36.6%
1961 26.9% 34.3%
1960 27% 32.9%

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/croatia/sao-tome-and-principe | CC BY

Children aged 0-14 make up 13.9% of the population in Croatia and 37.8% in Sao Tome and Principe in 2024, compared to 19.8% and 45.1% respectively in 1990.

Demographics of Croatia and Sao Tome and Principe compared.

Fertility rates around the globe

1x

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

GeoRank.org/birth-rate/croatia/sao-tome-and-principe | CC BY

Maternal mortality chart: Croatia vs Sao Tome and Principe

Croatia
Sao Tome and Principe
1x
Year Maternal mortality per 100K births
Croatia Sao Tome
2023 3 75
2022 6 82
2021 12 98
2020 5 92
2019 4 95
2018 3 100
2017 4 110
2016 4 119
2015 4 128
2014 4 138
2013 5 150
2012 5 158
2011 5 164
2010 6 170
2009 6 172
2008 6 174
2007 6 174
2006 6 177
2005 7 181
2004 7 177
2003 8 178
2002 7 179
2001 7 178
2000 8 180
1999 8 179
1998 8 175
1997 9 173
1996 9 171
1995 9 172
1994 9 168
1993 9 166
1992 10 164
1991 10 166
1990 10 164
1989 9 167
1988 10 157
1987 10 161
1986 10 175
1985 10 159

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

GeoRank.org/birth-rate/croatia/sao-tome-and-principe | CC BY

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 3 deaths per 100,000 live births in Croatia, compared to 75 deaths in Sao Tome and Principe.

Under-five mortality rates

Croatia
Sao Tome and Principe

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Croatia Sao Tome
2023 0.46% 1.39%
2022 0.46% 1.46%
2021 0.46% 1.53%
2020 0.47% 1.6%
2019 0.47% 1.7%
2018 0.48% 1.81%
2017 0.48% 1.95%
2016 0.49% 2.11%
2015 0.49% 2.31%
2014 0.5% 2.54%
2013 0.51% 2.77%
2012 0.52% 3.04%
2011 0.53% 3.33%
2010 0.55% 3.63%
2009 0.57% 3.95%
2008 0.59% 4.3%
2007 0.61% 4.68%
2006 0.64% 5.11%
2005 0.67% 5.56%
2004 0.71% 6.05%
2003 0.82% 6.57%
2002 0.77% 7.1%
2001 0.8% 7.66%
2000 0.83% 8.21%
1999 0.86% 8.76%
1998 0.9% 9.26%
1997 0.93% 9.73%
1996 0.96% 10.1%
1995 1% 10.4%
1994 1.04% 10.7%
1993 1.09% 10.8%
1992 1.15% 10.9%
1991 1.39% 10.9%
1990 1.29% 10.8%
1989 1.38% 10.7%
1988 1.48% 10.6%
1987 1.59% 10.4%
1986 1.69% 11.4%
1985 1.8% 9.99%
1984 1.91% 9.77%
1983 2% 9.56%
1982 2.09% 9.37%
1981 2.19% 9.21%
1980 - 9.1%
1979 - 9.02%
1978 - 8.96%
1977 - 8.93%
1976 - 8.89%
1975 - 8.85%
1974 - 8.79%
1973 - 8.73%
1972 - 8.67%
1971 - 8.63%
1970 - 8.64%
1969 - 8.71%
1968 - 8.85%
1967 - 9.04%
1966 - 9.29%
1965 - 9.56%

Data sources: World Bank | Health (1965–2023, retrieved 2026-04-06).

GeoRank.org/birth-rate/croatia/sao-tome-and-principe | CC BY

The chance that a newborn baby will die before reaching age five is 0.46% in Croatia and 1.39% in Sao Tome and Principe. 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)
  4. Central Intelligence Agency (CIA) (2025, retrieved 2026-02-20)

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