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Fertility & birth rates in Belarus and Sao Tome and Principe

Updated on by Georank team

Belarus has an annual birth rate of 7.14 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 1.21 in Belarus and 3.64 in Sao Tome and Principe — 201.7% difference.

1960 vs 2023, the fertility rate has decreased by 54.8% in Belarus and by 41.6% in Sao Tome and Principe — in 1960, it was 2.67 and 6.24, respectively.

  • Belarus is ranked 186/196 by birth rate compared to 39/196 for Sao Tome and Principe.
  • The mean age for first-time mothers is 26.9 years in Belarus, compared to 19.4 years in Sao Tome and Principe.
  • The mean age at childbearing (for all the births, not just the first) is 29 in Belarus — 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 8.6 in Belarus vs 86.2 in Sao Tome and Principe.
  • In Belarus, 22.5% of the population is composed of women of reproductive age (15-49), compared to 25.2% in Sao Tome and Principe.

Fertility rate in Belarus vs Sao Tome and Principe by year

Belarus
Sao Tome and Principe
1x
Year Fertility rate
Belarus Sao Tome
2023 1.21 3.64
2022 1.33 3.7
2021 1.37 3.76
2020 1.37 3.83
2019 1.38 3.9
2018 1.45 3.98
2017 1.54 4.07
2016 1.73 4.2
2015 1.72 4.35
2014 1.7 4.49
2013 1.67 4.58
2012 1.62 4.66
2011 1.52 4.72
2010 1.49 4.77
2009 1.51 4.84
2008 1.49 4.91
2007 1.43 4.96
2006 1.34 4.93
2005 1.25 4.94
2004 1.23 4.96
2003 1.23 5.01
2002 1.24 5.06
2001 1.29 5.1
2000 1.32 5.16
1999 1.31 5.23
1998 1.3 5.3
1997 1.25 5.4
1996 1.34 5.47
1995 1.41 5.55
1994 1.53 5.56
1993 1.62 5.64
1992 1.76 5.7
1991 1.81 5.77
1990 1.91 5.83
1989 2.03 5.88
1988 2.03 5.94
1987 2.03 5.99
1986 2.09 6.05
1985 2.09 6.1
1984 2.11 6.16
1983 2.11 6.22
1982 2.05 6.28
1981 2.02 6.33
1980 2.03 6.39
1979 2.05 6.43
1978 2.06 6.47
1977 2.08 6.5
1976 2.12 6.52
1975 2.17 6.53
1974 2.21 6.53
1973 2.25 6.53
1972 2.28 6.51
1971 2.31 6.49
1970 2.31 6.47
1969 2.26 6.44
1968 2.22 6.42
1967 2.26 6.39
1966 2.29 6.37
1965 2.27 6.35
1964 2.31 6.33
1963 2.4 6.31
1962 2.5 6.28
1961 2.59 6.26
1960 2.67 6.24

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

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

According to the latest available data on birth rates, the fertility rate in Belarus was 1.21 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 Belarus vs Sao Tome and Principe population clock for a dynamic visualization of the changing population.

Natural population change by year

Belarus
Sao Tome and Principe
1x
Year Natural population change
Belarus Sao Tome
2023 -56,924 5,221
2022 -47,839 5,102
2021 -67,118 4,954
2020 -64,703 4,874
2019 -32,969 4,932
2018 -26,429 4,957
2017 -17,026 5,007
2016 -1,894 5,125
2015 -946 5,269
2014 -2,834 5,381
2013 -6,610 5,449
2012 -11,336 5,501
2011 -26,493 5,445
2010 -29,400 5,391
2009 -25,662 5,349
2008 -25,726 5,297
2007 -28,683 5,226
2006 -41,301 5,057
2005 -50,252 4,897
2004 -50,597 4,810
2003 -53,882 4,702
2002 -58,207 4,591
2001 -48,650 4,471
2000 -40,916 4,334
1999 -49,131 4,221
1998 -44,316 4,120
1997 -46,540 4,041
1996 -37,591 3,993
1995 -32,621 3,948
1994 -19,431 3,860
1993 -11,263 3,841
1992 11,238 3,822
1991 18,349 3,801
1990 32,606 3,719
1989 49,833 3,576
1988 60,840 3,544
1987 62,689 3,440
1986 74,318 3,180
1985 58,852 3,242
1984 64,415 3,163
1983 75,791 3,100
1982 65,499 3,047
1981 65,057 3,015
1980 62,101 2,965
1979 64,481 2,893
1978 67,342 2,800
1977 67,434 2,705
1976 66,677 2,608
1975 65,494 2,515
1974 71,158 2,422
1973 70,911 2,329
1972 74,036 2,232
1971 77,464 2,127
1970 75,520 1,980
1969 74,567 1,862
1968 76,782 1,767
1967 81,136 1,693
1966 84,191 1,642
1965 90,611 1,611
1964 101,618 1,600
1963 113,160 1,609
1962 124,945 1,625
1961 134,490 1,657
1960 136,399 1,547

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

GeoRank.org/birth-rate/belarus/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 -0.62% in Belarus and +2.26% in Sao Tome and Principe.

For the past 10 years, the annual natural population change has been -0.34% in Belarus and +2.4% in Sao Tome and Principe.

Birth rate in Belarus vs Sao Tome and Principe by year

Belarus
Sao Tome and Principe

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Belarus Sao Tome
2023 7.14 28.2
2022 8.06 28.3
2021 8.62 28.5
2020 8.89 28.6
2019 9.3 29.2
2018 9.9 29.8
2017 10.8 30.6
2016 12.4 31.7
2015 12.5 33
2014 12.5 34.3
2013 12.5 35.4
2012 12.2 36.4
2011 11.5 36.8
2010 11.4 37.3
2009 11.4 37.9
2008 11.1 38.5
2007 10.7 38.9
2006 9.9 38.9
2005 9.3 39
2004 9.1 39.2
2003 9 39.6
2002 8.9 39.8
2001 9.2 40
2000 9.4 39.7
1999 9.3 39.4
1998 9.2 39.2
1997 8.9 39.2
1996 9.4 39.3
1995 9.9 39.5
1994 10.8 39.4
1993 11.5 39.8
1992 12.5 40.2
1991 13 40.7
1990 14 40.7
1989 15.1 40.9
1988 16.1 40.9
1987 16.1 41
1986 17.1 41
1985 16.5 41
1984 17 41.1
1983 17.6 41.2
1982 16.3 41.3
1981 16.3 41.5
1980 16.3 41.6
1979 16.2 41.6
1978 16.2 41.4
1977 16 41.3
1976 15.9 41.1
1975 15.7 40.9
1974 16 40.6
1973 15.8 40.3
1972 16.2 39.9
1971 16.4 39.5
1970 16.3 38.8
1969 15.9 38.2
1968 16.3 37.8
1967 16.6 37.7
1966 17.1 38
1965 17.9 38.6
1964 19.2 39.7
1963 21.2 41.1
1962 22.8 42.7
1961 23.8 44.6
1960 24.4 44.6

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

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

The latest reported birth rate per 1,000 people in 2023 was 7.14 in Belarus and 28.2 in Sao Tome and Principe, compared with 24.4 and 44.6, respectively, in 1960.

Birth rate data compared

Belarus Sao Tome
Fertility rate 1.21 3.64
Fertility rate rank 180/196 41/196
Birth rate 7.14 28.2
Birth rate rank 186/196 39/196
Population change due to births and deaths -56,924 +5,221
Natural population change rank 185/196 126/196
Natural population change rate -0.62% +2.26%
Population growth -0.5% +2.02%
Population growth rank 187/197 49/197
Age at first childbirth 26.9 years 19.4 years
Average age at childbearing 29 years 28.4 years
Annual births per 1,000 women ages 15-19 7.92 82.5
Annual births per 1,000 women ages 20-29 68.4 169.9
Annual births per 1,000 women ages 30+ 8.86 47.4
Female of reproductive age (15-49), share of population 22.5% 25.2%
Any modern method of contraceptive prevalence among married women ages 15-49 45.9% 46%
Share of births attended by skilled health staff 99.9% 96.8%
Maternal mortality per live birth 0.001% 0.08%
Neonatal mortality rate (before reaching 28 days of age) 0.08% 0.68%
Infant mortality rate (before reaching 1 year of age) 0.19% 0.94%
Mortality rate before reaching 5 years of age 0.24% 1.39%
Life expectancy 75 years 70.3 years

Children 0-14 years as share of population

Belarus
Factual

UN forecast
Sao Tome and Principe
Factual

UN forecast
1x
Year Young
Belarus Sao Tome
2100 10.5% 19.5%
2099 10.6% 19.6%
2098 10.6% 19.8%
2097 10.7% 19.9%
2096 10.8% 20%
2095 10.9% 20.2%
2094 11% 20.3%
2093 11.2% 20.4%
2092 11.3% 20.6%
2091 11.4% 20.7%
2090 11.5% 20.9%
2089 11.6% 21.1%
2088 11.7% 21.2%
2087 11.8% 21.4%
2086 11.8% 21.6%
2085 11.8% 21.8%
2084 11.8% 22%
2083 11.8% 22.2%
2082 11.7% 22.4%
2081 11.6% 22.6%
2080 11.5% 22.9%
2079 11.4% 23.1%
2078 11.2% 23.3%
2077 11.1% 23.5%
2076 10.9% 23.7%
2075 10.8% 24%
2074 10.7% 24.2%
2073 10.6% 24.4%
2072 10.5% 24.6%
2071 10.4% 24.8%
2070 10.4% 25%
2069 10.4% 25.2%
2068 10.5% 25.4%
2067 10.5% 25.6%
2066 10.7% 25.9%
2065 10.8% 26.1%
2064 11% 26.3%
2063 11.2% 26.5%
2062 11.4% 26.8%
2061 11.7% 27%
2060 11.9% 27.3%
2059 12.1% 27.5%
2058 12.3% 27.8%
2057 12.5% 28.1%
2056 12.6% 28.4%
2055 12.7% 28.7%
2054 12.8% 29%
2053 12.8% 29.4%
2052 12.8% 29.7%
2051 12.8% 30.1%
2050 12.7% 30.4%
2049 12.6% 30.8%
2048 12.4% 31.1%
2047 12.3% 31.5%
2046 12.1% 31.8%
2045 11.9% 32.1%
2044 11.7% 32.5%
2043 11.5% 32.8%
2042 11.4% 33.1%
2041 11.2% 33.4%
2040 11.1% 33.6%
2039 11% 33.9%
2038 11% 34.1%
2037 11% 34.4%
2036 11.2% 34.6%
2035 11.3% 34.7%
2034 11.6% 34.9%
2033 11.9% 35.1%
2032 12.3% 35.3%
2031 12.9% 35.5%
2030 13.5% 35.8%
2029 14.1% 36.1%
2028 14.7% 36.6%
2027 15.2% 37%
2026 15.7% 37.3%
2025 16.1% 37.6%
2024 16.3% 37.8%
2023 16.7% 38.3%
2022 17% 38.8%
2021 17.1% 39.4%
2020 17% 39.9%
2019 17% 40.5%
2018 16.9% 40.9%
2017 16.7% 41.4%
2016 16.5% 41.7%
2015 16.2% 41.9%
2014 15.9% 42%
2013 15.6% 42%
2012 15.3% 42%
2011 15% 42%
2010 14.8% 42.1%
2009 14.8% 42.1%
2008 14.8% 42.1%
2007 14.9% 42%
2006 15.2% 42%
2005 15.5% 42%
2004 16% 42.1%
2003 16.6% 42.2%
2002 17.3% 42.3%
2001 17.9% 42.5%
2000 18.6% 42.8%
1999 19.3% 43.4%
1998 20% 43.9%
1997 20.7% 44.3%
1996 21.3% 44.7%
1995 21.8% 44.9%
1994 22.2% 45.1%
1993 22.6% 45.2%
1992 22.8% 45.2%
1991 23% 45.1%
1990 23.1% 45.1%
1989 23.1% 45%
1988 23.1% 45%
1987 23% 44.9%
1986 23% 44.7%
1985 22.9% 44.5%
1984 22.8% 44.4%
1983 22.7% 44.5%
1982 22.7% 44.5%
1981 22.8% 44.7%
1980 22.9% 44.9%
1979 23.1% 45.1%
1978 23.5% 45.2%
1977 23.9% 45.3%
1976 24.4% 45.4%
1975 25% 45.5%
1974 25.7% 45.6%
1973 26.4% 45.7%
1972 27.2% 45.9%
1971 27.9% 46.1%
1970 28.7% 46.2%
1969 29.3% 45.8%
1968 29.6% 44.9%
1967 29.9% 44%
1966 30.2% 42.9%
1965 30.5% 41.6%
1964 30.8% 40.2%
1963 31.1% 38.5%
1962 31.2% 36.6%
1961 31.2% 34.3%
1960 30.8% 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/belarus/sao-tome-and-principe | CC BY

Children aged 0-14 make up 16.3% of the population in Belarus and 37.8% in Sao Tome and Principe in 2024, compared to 23.1% and 45.1% respectively in 1990.

Demographics of Belarus 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/belarus/sao-tome-and-principe | CC BY

Maternal mortality chart: Belarus vs Sao Tome and Principe

Belarus
Sao Tome and Principe
1x
Year Maternal mortality per 100K births
Belarus Sao Tome
2023 1 75
2022 1 82
2021 2 98
2020 2 92
2019 1 95
2018 1 100
2017 1 110
2016 1 119
2015 1 128
2014 2 138
2013 2 150
2012 2 158
2011 2 164
2010 3 170
2009 4 172
2008 4 174
2007 6 174
2006 7 177
2005 9 181
2004 12 177
2003 14 178
2002 16 179
2001 18 178
2000 20 180
1999 23 179
1998 25 175
1997 27 173
1996 28 171
1995 29 172
1994 30 168
1993 31 166
1992 32 164
1991 32 166
1990 33 164
1989 33 167
1988 32 157
1987 30 161
1986 30 175
1985 30 159

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

GeoRank.org/birth-rate/belarus/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 1 deaths per 100,000 live births in Belarus, compared to 75 deaths in Sao Tome and Principe.

Under-five mortality rates

Belarus
Sao Tome and Principe

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Belarus Sao Tome
2023 0.24% 1.39%
2022 0.26% 1.46%
2021 0.27% 1.53%
2020 0.29% 1.6%
2019 0.31% 1.7%
2018 0.34% 1.81%
2017 0.36% 1.95%
2016 0.39% 2.11%
2015 0.41% 2.31%
2014 0.43% 2.54%
2013 0.46% 2.77%
2012 0.49% 3.04%
2011 0.52% 3.33%
2010 0.56% 3.63%
2009 0.61% 3.95%
2008 0.66% 4.3%
2007 0.73% 4.68%
2006 0.8% 5.11%
2005 0.87% 5.56%
2004 0.94% 6.05%
2003 1.02% 6.57%
2002 1.1% 7.1%
2001 1.18% 7.66%
2000 1.28% 8.21%
1999 1.37% 8.76%
1998 1.45% 9.26%
1997 1.51% 9.73%
1996 1.55% 10.1%
1995 1.57% 10.4%
1994 1.57% 10.7%
1993 1.55% 10.8%
1992 1.53% 10.9%
1991 1.52% 10.9%
1990 1.52% 10.8%
1989 1.55% 10.7%
1988 1.59% 10.6%
1987 1.64% 10.4%
1986 1.7% 11.4%
1985 1.76% 9.99%
1984 1.82% 9.77%
1983 1.88% 9.56%
1982 1.94% 9.37%
1981 2% 9.21%
1980 2.06% 9.1%
1979 2.11% 9.02%
1978 2.14% 8.96%
1977 2.16% 8.93%
1976 2.18% 8.89%
1975 2.18% 8.85%
1974 2.19% 8.79%
1973 2.2% 8.73%
1972 2.22% 8.67%
1971 2.25% 8.63%
1970 2.3% 8.64%
1969 2.37% 8.71%
1968 2.45% 8.85%
1967 2.56% 9.04%
1966 2.7% 9.29%
1965 2.88% 9.56%
1964 3.1% -
1963 3.36% -
1962 3.68% -
1961 4.05% -
1960 4.49% -

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

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

The chance that a newborn baby will die before reaching age five is 0.24% in Belarus 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) (2021, retrieved 2026-03-10)
  4. Central Intelligence Agency (CIA) (2025, retrieved 2026-02-20)

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