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Fertility & birth rates in Austria and Sao Tome and Principe

Updated on by Georank team

Austria has an annual birth rate of 8.5 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 1.32 in Austria and 3.64 in Sao Tome and Principe — 176.1% difference.

1960 vs 2023, the fertility rate has decreased by 50.9% in Austria and by 41.6% in Sao Tome and Principe — in 1960, it was 2.69 and 6.24, respectively.

  • Austria is ranked 169/196 by birth rate compared to 39/196 for Sao Tome and Principe.
  • The mean age for first-time mothers is 29.9 years in Austria, compared to 19.4 years in Sao Tome and Principe.
  • The mean age at childbearing (for all the births, not just the first) is 31.4 in Austria — 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 3.84 in Austria vs 86.2 in Sao Tome and Principe.
  • In Austria, 21.1% of the population is composed of women of reproductive age (15-49), compared to 25.2% in Sao Tome and Principe.

Fertility rate in Austria vs Sao Tome and Principe by year

Austria
Sao Tome and Principe
1x
Year Fertility rate
Austria Sao Tome
2023 1.32 3.64
2022 1.41 3.7
2021 1.48 3.76
2020 1.44 3.83
2019 1.46 3.9
2018 1.47 3.98
2017 1.52 4.07
2016 1.53 4.2
2015 1.49 4.35
2014 1.46 4.49
2013 1.44 4.58
2012 1.44 4.66
2011 1.43 4.72
2010 1.44 4.77
2009 1.39 4.84
2008 1.42 4.91
2007 1.38 4.96
2006 1.41 4.93
2005 1.41 4.94
2004 1.42 4.96
2003 1.38 5.01
2002 1.39 5.06
2001 1.33 5.1
2000 1.36 5.16
1999 1.34 5.23
1998 1.37 5.3
1997 1.39 5.4
1996 1.45 5.47
1995 1.42 5.55
1994 1.47 5.56
1993 1.5 5.64
1992 1.51 5.7
1991 1.51 5.77
1990 1.46 5.83
1989 1.45 5.88
1988 1.45 5.94
1987 1.43 5.99
1986 1.45 6.05
1985 1.47 6.1
1984 1.52 6.16
1983 1.56 6.22
1982 1.66 6.28
1981 1.67 6.33
1980 1.65 6.39
1979 1.6 6.43
1978 1.6 6.47
1977 1.63 6.5
1976 1.69 6.52
1975 1.83 6.53
1974 1.91 6.53
1973 1.94 6.53
1972 2.08 6.51
1971 2.2 6.49
1970 2.29 6.47
1969 2.49 6.44
1968 2.58 6.42
1967 2.62 6.39
1966 2.66 6.37
1965 2.7 6.35
1964 2.79 6.33
1963 2.82 6.31
1962 2.8 6.28
1961 2.78 6.26
1960 2.69 6.24

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

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

According to the latest available data on birth rates, the fertility rate in Austria was 1.32 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 Austria vs Sao Tome and Principe population clock for a dynamic visualization of the changing population.

Natural population change by year

Austria
Sao Tome and Principe
1x
Year Natural population change
Austria Sao Tome
2023 -11,872 5,221
2022 -10,851 5,102
2021 -6,269 4,954
2020 -8,025 4,874
2019 1,776 4,932
2018 1,769 4,957
2017 4,399 5,007
2016 6,989 5,125
2015 1,729 5,269
2014 3,419 5,381
2013 0 5,449
2012 0 5,501
2011 1,679 5,445
2010 1,672 5,391
2009 -834 5,349
2008 2,496 5,297
2007 1,659 5,226
2006 3,308 5,057
2005 3,291 4,897
2004 4,904 4,810
2003 0 4,702
2002 2,424 4,591
2001 804 4,471
2000 1,602 4,334
1999 0 4,221
1998 3,191 4,120
1997 3,984 4,041
1996 7,959 3,993
1995 7,948 3,948
1994 11,110 3,860
1993 12,649 3,841
1992 12,545 3,822
1991 10,857 3,801
1990 7,678 3,719
1989 5,333 3,576
1988 4,551 3,544
1987 1,515 3,440
1986 0 3,180
1985 -1,513 3,242
1984 756 3,163
1983 -3,025 3,100
1982 3,029 3,047
1981 1,514 3,015
1980 -1,510 2,965
1979 -6,039 2,893
1978 -9,074 2,800
1977 -6,811 2,705
1976 -7,565 2,608
1975 -2,274 2,515
1974 3,039 2,422
1973 5,310 2,329
1972 9,053 2,232
1971 11,250 2,127
1970 13,441 1,980
1969 22,323 1,862
1968 30,403 1,767
1967 32,459 1,693
1966 37,343 1,642
1965 35,627 1,611
1964 44,788 1,600
1963 43,055 1,609
1962 42,779 1,625
1961 46,061 1,657
1960 36,647 1,547

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

GeoRank.org/birth-rate/austria/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 -0.13% in Austria and +2.26% in Sao Tome and Principe.

For the past 10 years, the annual natural population change has been -0.02% in Austria and +2.4% in Sao Tome and Principe.

Birth rate in Austria vs Sao Tome and Principe by year

Austria
Sao Tome and Principe

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Austria Sao Tome
2023 8.5 28.2
2022 9.1 28.3
2021 9.6 28.5
2020 9.4 28.6
2019 9.6 29.2
2018 9.7 29.8
2017 10 30.6
2016 10 31.7
2015 9.8 33
2014 9.6 34.3
2013 9.4 35.4
2012 9.4 36.4
2011 9.3 36.8
2010 9.4 37.3
2009 9.2 37.9
2008 9.3 38.5
2007 9.2 38.9
2006 9.4 38.9
2005 9.5 39
2004 9.7 39.2
2003 9.5 39.6
2002 9.7 39.8
2001 9.4 40
2000 9.8 39.7
1999 9.8 39.4
1998 10.2 39.2
1997 10.5 39.2
1996 11.2 39.3
1995 11.2 39.5
1994 11.6 39.4
1993 12 39.8
1992 12.2 40.2
1991 12.2 40.7
1990 11.8 40.7
1989 11.6 40.9
1988 11.6 40.9
1987 11.4 41
1986 11.5 41
1985 11.6 41
1984 11.8 41.1
1983 11.9 41.2
1982 12.5 41.3
1981 12.4 41.5
1980 12 41.6
1979 11.4 41.6
1978 11.3 41.4
1977 11.3 41.3
1976 11.6 41.1
1975 12.4 40.9
1974 12.8 40.6
1973 12.9 40.3
1972 13.8 39.9
1971 14.5 39.5
1970 15 38.8
1969 16.3 38.2
1968 17 37.8
1967 17.3 37.7
1966 17.6 38
1965 17.9 38.6
1964 18.5 39.7
1963 18.8 41.1
1962 18.7 42.7
1961 18.6 44.6
1960 17.9 44.6

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

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

The latest reported birth rate per 1,000 people in 2023 was 8.5 in Austria and 28.2 in Sao Tome and Principe, compared with 17.9 and 44.6, respectively, in 1960.

Birth rate data compared

Austria Sao Tome
Fertility rate 1.32 3.64
Fertility rate rank 173/196 41/196
Birth rate 8.5 28.2
Birth rate rank 169/196 39/196
Population change due to births and deaths -11,872 +5,221
Natural population change rank 171/196 126/196
Natural population change rate -0.13% +2.26%
Population growth +0.51% +2.02%
Population growth rank 131/197 49/197
Age at first childbirth 29.9 years 19.4 years
Average age at childbearing 31.4 years 28.4 years
Annual births per 1,000 women ages 15-19 3.23 82.5
Annual births per 1,000 women ages 20-29 52.5 169.9
Annual births per 1,000 women ages 30+ 14.6 47.4
Female of reproductive age (15-49), share of population 21.1% 25.2%
Any modern method of contraceptive prevalence among married women ages 15-49 63% 46%
Share of births attended by skilled health staff 98.1% 96.8%
Maternal mortality per live birth 0.006% 0.08%
Neonatal mortality rate (before reaching 28 days of age) 0.2% 0.68%
Infant mortality rate (before reaching 1 year of age) 0.26% 0.94%
Mortality rate before reaching 5 years of age 0.31% 1.39%
Life expectancy 82.5 years 70.3 years

Children 0-14 years as share of population

Austria
Factual

UN forecast
Sao Tome and Principe
Factual

UN forecast
1x
Year Young
Austria Sao Tome
2100 12.6% 19.5%
2099 12.6% 19.6%
2098 12.7% 19.8%
2097 12.7% 19.9%
2096 12.7% 20%
2095 12.8% 20.2%
2094 12.8% 20.3%
2093 12.8% 20.4%
2092 12.8% 20.6%
2091 12.8% 20.7%
2090 12.8% 20.9%
2089 12.8% 21.1%
2088 12.8% 21.2%
2087 12.8% 21.4%
2086 12.7% 21.6%
2085 12.7% 21.8%
2084 12.7% 22%
2083 12.6% 22.2%
2082 12.6% 22.4%
2081 12.5% 22.6%
2080 12.5% 22.9%
2079 12.4% 23.1%
2078 12.4% 23.3%
2077 12.3% 23.5%
2076 12.3% 23.7%
2075 12.3% 24%
2074 12.3% 24.2%
2073 12.3% 24.4%
2072 12.3% 24.6%
2071 12.3% 24.8%
2070 12.3% 25%
2069 12.4% 25.2%
2068 12.4% 25.4%
2067 12.4% 25.6%
2066 12.5% 25.9%
2065 12.5% 26.1%
2064 12.6% 26.3%
2063 12.6% 26.5%
2062 12.6% 26.8%
2061 12.6% 27%
2060 12.6% 27.3%
2059 12.6% 27.5%
2058 12.6% 27.8%
2057 12.6% 28.1%
2056 12.6% 28.4%
2055 12.5% 28.7%
2054 12.5% 29%
2053 12.4% 29.4%
2052 12.4% 29.7%
2051 12.3% 30.1%
2050 12.2% 30.4%
2049 12.2% 30.8%
2048 12.1% 31.1%
2047 12.1% 31.5%
2046 12% 31.8%
2045 12% 32.1%
2044 12% 32.5%
2043 12% 32.8%
2042 12% 33.1%
2041 12% 33.4%
2040 12.1% 33.6%
2039 12.1% 33.9%
2038 12.2% 34.1%
2037 12.4% 34.4%
2036 12.5% 34.6%
2035 12.7% 34.7%
2034 12.9% 34.9%
2033 13.1% 35.1%
2032 13.3% 35.3%
2031 13.5% 35.5%
2030 13.6% 35.8%
2029 13.8% 36.1%
2028 13.9% 36.6%
2027 14% 37%
2026 14.1% 37.3%
2025 14.2% 37.6%
2024 14.2% 37.8%
2023 14.3% 38.3%
2022 14.3% 38.8%
2021 14.4% 39.4%
2020 14.4% 39.9%
2019 14.4% 40.5%
2018 14.4% 40.9%
2017 14.4% 41.4%
2016 14.4% 41.7%
2015 14.3% 41.9%
2014 14.3% 42%
2013 14.4% 42%
2012 14.5% 42%
2011 14.6% 42%
2010 14.8% 42.1%
2009 15% 42.1%
2008 15.2% 42.1%
2007 15.5% 42%
2006 15.8% 42%
2005 16% 42%
2004 16.2% 42.1%
2003 16.4% 42.2%
2002 16.6% 42.3%
2001 16.8% 42.5%
2000 17% 42.8%
1999 17.2% 43.4%
1998 17.4% 43.9%
1997 17.6% 44.3%
1996 17.7% 44.7%
1995 17.8% 44.9%
1994 17.8% 45.1%
1993 17.8% 45.2%
1992 17.7% 45.2%
1991 17.6% 45.1%
1990 17.5% 45.1%
1989 17.6% 45%
1988 17.6% 45%
1987 17.8% 44.9%
1986 18% 44.7%
1985 18.3% 44.5%
1984 18.7% 44.4%
1983 19.1% 44.5%
1982 19.5% 44.5%
1981 20% 44.7%
1980 20.4% 44.9%
1979 21% 45.1%
1978 21.6% 45.2%
1977 22.2% 45.3%
1976 22.8% 45.4%
1975 23.2% 45.5%
1974 23.6% 45.6%
1973 23.9% 45.7%
1972 24.2% 45.9%
1971 24.3% 46.1%
1970 24.4% 46.2%
1969 24.3% 45.8%
1968 24.1% 44.9%
1967 23.9% 44%
1966 23.6% 42.9%
1965 23.4% 41.6%
1964 23.1% 40.2%
1963 22.8% 38.5%
1962 22.7% 36.6%
1961 22.4% 34.3%
1960 22% 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/austria/sao-tome-and-principe | CC BY

Children aged 0-14 make up 14.2% of the population in Austria and 37.8% in Sao Tome and Principe in 2024, compared to 17.5% and 45.1% respectively in 1990.

Demographics of Austria 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/austria/sao-tome-and-principe | CC BY

Maternal mortality chart: Austria vs Sao Tome and Principe

Austria
Sao Tome and Principe
1x
Year Maternal mortality per 100K births
Austria Sao Tome
2023 6 75
2022 7 82
2021 6 98
2020 6 92
2019 7 95
2018 7 100
2017 6 110
2016 6 119
2015 7 128
2014 7 138
2013 6 150
2012 6 158
2011 6 164
2010 6 170
2009 6 172
2008 6 174
2007 6 174
2006 6 177
2005 6 181
2004 6 177
2003 6 178
2002 6 179
2001 6 178
2000 7 180
1999 7 179
1998 7 175
1997 7 173
1996 8 171
1995 9 172
1994 10 168
1993 10 166
1992 10 164
1991 11 166
1990 12 164
1989 12 167
1988 13 157
1987 13 161
1986 14 175
1985 14 159

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

GeoRank.org/birth-rate/austria/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 6 deaths per 100,000 live births in Austria, compared to 75 deaths in Sao Tome and Principe.

Under-five mortality rates

Austria
Sao Tome and Principe

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Austria Sao Tome
2023 0.31% 1.39%
2022 0.32% 1.46%
2021 0.33% 1.53%
2020 0.34% 1.6%
2019 0.35% 1.7%
2018 0.35% 1.81%
2017 0.36% 1.95%
2016 0.36% 2.11%
2015 0.37% 2.31%
2014 0.38% 2.54%
2013 0.39% 2.77%
2012 0.4% 3.04%
2011 0.42% 3.33%
2010 0.43% 3.63%
2009 0.44% 3.95%
2008 0.45% 4.3%
2007 0.46% 4.68%
2006 0.48% 5.11%
2005 0.49% 5.56%
2004 0.51% 6.05%
2003 0.52% 6.57%
2002 0.53% 7.1%
2001 0.54% 7.66%
2000 0.55% 8.21%
1999 0.56% 8.76%
1998 0.58% 9.26%
1997 0.6% 9.73%
1996 0.64% 10.1%
1995 0.68% 10.4%
1994 0.74% 10.7%
1993 0.79% 10.8%
1992 0.85% 10.9%
1991 0.9% 10.9%
1990 0.95% 10.8%
1989 1% 10.7%
1988 1.05% 10.6%
1987 1.12% 10.4%
1986 1.19% 11.4%
1985 1.26% 9.99%
1984 1.33% 9.77%
1983 1.4% 9.56%
1982 1.47% 9.37%
1981 1.55% 9.21%
1980 1.63% 9.1%
1979 1.71% 9.02%
1978 1.81% 8.96%
1977 1.94% 8.93%
1976 2.11% 8.89%
1975 2.31% 8.85%
1974 2.51% 8.79%
1973 2.67% 8.73%
1972 2.8% 8.67%
1971 2.87% 8.63%
1970 2.91% 8.64%
1969 2.94% 8.71%
1968 2.98% 8.85%
1967 3.05% 9.04%
1966 3.15% 9.29%
1965 3.27% 9.56%
1964 3.42% -
1963 3.59% -
1962 3.79% -
1961 4.03% -
1960 4.28% -

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

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

The chance that a newborn baby will die before reaching age five is 0.31% in Austria 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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