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Fertility & birth rates in Brazil and Sao Tome and Principe

Updated on by Georank team

Brazil has an annual birth rate of 12.3 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 1.62 in Brazil and 3.64 in Sao Tome and Principe — 125.1% difference.

1960 vs 2023, the fertility rate has decreased by 73.2% in Brazil and by 41.6% in Sao Tome and Principe — in 1960, it was 6.05 and 6.24, respectively.

  • Brazil is ranked 114/196 by birth rate compared to 39/196 for Sao Tome and Principe.
  • The mean age at childbearing (for all the births, not just the first) is 28.1 in Brazil — 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 42.7 in Brazil vs 86.2 in Sao Tome and Principe.
  • In Brazil, 26.2% of the population is composed of women of reproductive age (15-49), compared to 25.2% in Sao Tome and Principe.

Fertility rate in Brazil vs Sao Tome and Principe by year

Brazil
Sao Tome and Principe
1x
Year Fertility rate
Brazil Sao Tome
2023 1.62 3.64
2022 1.63 3.7
2021 1.64 3.76
2020 1.65 3.83
2019 1.71 3.9
2018 1.74 3.98
2017 1.74 4.07
2016 1.73 4.2
2015 1.78 4.35
2014 1.78 4.49
2013 1.76 4.58
2012 1.77 4.66
2011 1.78 4.72
2010 1.79 4.77
2009 1.8 4.84
2008 1.82 4.91
2007 1.85 4.96
2006 1.9 4.93
2005 1.94 4.94
2004 1.97 4.96
2003 2.01 5.01
2002 2.08 5.06
2001 2.16 5.1
2000 2.25 5.16
1999 2.34 5.23
1998 2.42 5.3
1997 2.47 5.4
1996 2.51 5.47
1995 2.57 5.55
1994 2.6 5.56
1993 2.66 5.64
1992 2.71 5.7
1991 2.81 5.77
1990 2.9 5.83
1989 3.01 5.88
1988 3.11 5.94
1987 3.23 5.99
1986 3.36 6.05
1985 3.48 6.1
1984 3.6 6.16
1983 3.72 6.22
1982 3.84 6.28
1981 3.94 6.33
1980 4.04 6.39
1979 4.12 6.43
1978 4.2 6.47
1977 4.27 6.5
1976 4.34 6.52
1975 4.42 6.53
1974 4.5 6.53
1973 4.64 6.53
1972 4.74 6.51
1971 4.84 6.49
1970 4.93 6.47
1969 5.04 6.44
1968 5.17 6.42
1967 5.34 6.39
1966 5.52 6.37
1965 5.68 6.35
1964 5.82 6.33
1963 5.93 6.31
1962 5.98 6.28
1961 6.02 6.26
1960 6.05 6.24

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

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

According to the latest available data on birth rates, the fertility rate in Brazil was 1.62 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 Brazil vs Sao Tome and Principe population clock for a dynamic visualization of the changing population.

Natural population change by year

Brazil
Sao Tome and Principe
1x
Year Natural population change
Brazil Sao Tome
2023 1,107,434 5,221
2022 1,054,897 5,102
2021 919,507 4,954
2020 1,146,174 4,874
2019 1,472,104 4,932
2018 1,583,935 4,957
2017 1,610,402 5,007
2016 1,609,488 5,125
2015 1,742,275 5,269
2014 1,757,948 5,381
2013 1,758,716 5,449
2012 1,782,516 5,501
2011 1,815,758 5,445
2010 1,847,336 5,391
2009 1,878,542 5,349
2008 1,908,051 5,297
2007 1,970,372 5,226
2006 2,026,119 5,057
2005 2,083,281 4,897
2004 2,108,072 4,810
2003 2,128,819 4,702
2002 2,207,017 4,591
2001 2,291,210 4,471
2000 2,372,043 4,334
1999 2,450,869 4,221
1998 2,514,728 4,120
1997 2,531,758 4,041
1996 2,530,690 3,993
1995 2,546,195 3,948
1994 2,532,951 3,860
1993 2,545,874 3,841
1992 2,547,698 3,822
1991 2,606,167 3,801
1990 2,652,959 3,719
1989 2,717,923 3,576
1988 2,768,082 3,544
1987 2,825,485 3,440
1986 2,880,440 3,180
1985 2,912,908 3,242
1984 2,931,496 3,163
1983 2,952,335 3,100
1982 2,948,552 3,047
1981 2,928,262 3,015
1980 2,887,768 2,965
1979 2,836,759 2,893
1978 2,778,815 2,800
1977 2,715,328 2,705
1976 2,648,647 2,608
1975 2,585,130 2,515
1974 2,524,254 2,422
1973 2,501,309 2,329
1972 2,454,698 2,232
1971 2,407,319 2,127
1970 2,362,073 1,980
1969 2,324,190 1,862
1968 2,301,561 1,767
1967 2,307,560 1,693
1966 2,325,332 1,642
1965 2,336,415 1,611
1964 2,338,478 1,600
1963 2,326,400 1,609
1962 2,286,666 1,625
1961 2,240,178 1,657
1960 2,190,392 1,547

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

GeoRank.org/birth-rate/brazil/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 +0.52% in Brazil and +2.26% in Sao Tome and Principe.

For the past 10 years, the annual natural population change has been +0.68% in Brazil and +2.4% in Sao Tome and Principe.

Birth rate in Brazil vs Sao Tome and Principe by year

Brazil
Sao Tome and Principe

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Brazil Sao Tome
2023 12.3 28.2
2022 12.6 28.3
2021 12.8 28.5
2020 13 28.6
2019 13.5 29.2
2018 14 29.8
2017 14.1 30.6
2016 14.1 31.7
2015 14.7 33
2014 14.8 34.3
2013 14.8 35.4
2012 14.9 36.4
2011 15.1 36.8
2010 15.3 37.3
2009 15.6 37.9
2008 15.8 38.5
2007 16.2 38.9
2006 16.7 38.9
2005 17.2 39
2004 17.5 39.2
2003 17.8 39.6
2002 18.5 39.8
2001 19.2 40
2000 19.9 39.7
1999 20.6 39.4
1998 21.2 39.2
1997 21.6 39.2
1996 21.9 39.3
1995 22.3 39.5
1994 22.5 39.4
1993 23 39.8
1992 23.3 40.2
1991 24.1 40.7
1990 24.8 40.7
1989 25.6 40.9
1988 26.5 40.9
1987 27.4 41
1986 28.3 41
1985 29.2 41
1984 30 41.1
1983 30.8 41.2
1982 31.5 41.3
1981 32 41.5
1980 32.4 41.6
1979 32.7 41.6
1978 33 41.4
1977 33.2 41.3
1976 33.3 41.1
1975 33.5 40.9
1974 33.7 40.6
1973 34.2 40.3
1972 34.5 39.9
1971 34.9 39.5
1970 35.2 38.8
1969 35.7 38.2
1968 36.3 37.8
1967 37.4 37.7
1966 38.6 38
1965 39.8 38.6
1964 41 39.7
1963 42 41.1
1962 42.7 42.7
1961 43.3 44.6
1960 43.9 44.6

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

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

The latest reported birth rate per 1,000 people in 2023 was 12.3 in Brazil and 28.2 in Sao Tome and Principe, compared with 43.9 and 44.6, respectively, in 1960.

Birth rate data compared

Brazil Sao Tome
Fertility rate 1.62 3.64
Fertility rate rank 124/196 41/196
Birth rate 12.3 28.2
Birth rate rank 114/196 39/196
Population change due to births and deaths +1,107,434 +5,221
Natural population change rank 17/196 126/196
Natural population change rate +0.52% +2.26%
Population growth +0.41% +2.02%
Population growth rank 141/197 49/197
Age at first childbirth n/a 19.4 years
Average age at childbearing 28.1 years 28.4 years
Annual births per 1,000 women ages 15-19 38.4 82.5
Annual births per 1,000 women ages 20-29 76.8 169.9
Annual births per 1,000 women ages 30+ 15.3 47.4
Female of reproductive age (15-49), share of population 26.2% 25.2%
Any modern method of contraceptive prevalence among married women ages 15-49 77.7% 46%
Share of births attended by skilled health staff 98.4% 96.8%
Maternal mortality per live birth 0.07% 0.08%
Neonatal mortality rate (before reaching 28 days of age) 0.76% 0.68%
Infant mortality rate (before reaching 1 year of age) 1.25% 0.94%
Mortality rate before reaching 5 years of age 1.44% 1.39%
Life expectancy 76.4 years 70.3 years

Children 0-14 years as share of population

Brazil
Factual

UN forecast
Sao Tome and Principe
Factual

UN forecast
1x
Year Young
Brazil Sao Tome
2100 12.4% 19.5%
2099 12.4% 19.6%
2098 12.4% 19.8%
2097 12.4% 19.9%
2096 12.5% 20%
2095 12.5% 20.2%
2094 12.5% 20.3%
2093 12.5% 20.4%
2092 12.6% 20.6%
2091 12.6% 20.7%
2090 12.6% 20.9%
2089 12.6% 21.1%
2088 12.7% 21.2%
2087 12.7% 21.4%
2086 12.7% 21.6%
2085 12.7% 21.8%
2084 12.8% 22%
2083 12.8% 22.2%
2082 12.8% 22.4%
2081 12.8% 22.6%
2080 12.8% 22.9%
2079 12.9% 23.1%
2078 12.9% 23.3%
2077 12.9% 23.5%
2076 12.9% 23.7%
2075 12.9% 24%
2074 13% 24.2%
2073 13% 24.4%
2072 13% 24.6%
2071 13.1% 24.8%
2070 13.1% 25%
2069 13.2% 25.2%
2068 13.2% 25.4%
2067 13.3% 25.6%
2066 13.3% 25.9%
2065 13.4% 26.1%
2064 13.4% 26.3%
2063 13.5% 26.5%
2062 13.6% 26.8%
2061 13.7% 27%
2060 13.8% 27.3%
2059 13.8% 27.5%
2058 13.9% 27.8%
2057 14% 28.1%
2056 14.1% 28.4%
2055 14.2% 28.7%
2054 14.3% 29%
2053 14.4% 29.4%
2052 14.5% 29.7%
2051 14.6% 30.1%
2050 14.7% 30.4%
2049 14.8% 30.8%
2048 14.9% 31.1%
2047 15% 31.5%
2046 15.1% 31.8%
2045 15.2% 32.1%
2044 15.3% 32.5%
2043 15.5% 32.8%
2042 15.6% 33.1%
2041 15.7% 33.4%
2040 15.8% 33.6%
2039 16% 33.9%
2038 16.2% 34.1%
2037 16.3% 34.4%
2036 16.5% 34.6%
2035 16.7% 34.7%
2034 17% 34.9%
2033 17.3% 35.1%
2032 17.5% 35.3%
2031 17.8% 35.5%
2030 18.1% 35.8%
2029 18.4% 36.1%
2028 18.7% 36.6%
2027 19% 37%
2026 19.2% 37.3%
2025 19.5% 37.6%
2024 19.7% 37.8%
2023 19.9% 38.3%
2022 20.2% 38.8%
2021 20.5% 39.4%
2020 20.8% 39.9%
2019 21.1% 40.5%
2018 21.4% 40.9%
2017 21.7% 41.4%
2016 22% 41.7%
2015 22.4% 41.9%
2014 22.8% 42%
2013 23.3% 42%
2012 23.7% 42%
2011 24.2% 42%
2010 24.7% 42.1%
2009 25.2% 42.1%
2008 25.7% 42.1%
2007 26.1% 42%
2006 26.6% 42%
2005 27.1% 42%
2004 27.6% 42.1%
2003 28.2% 42.2%
2002 28.7% 42.3%
2001 29.3% 42.5%
2000 29.9% 42.8%
1999 30.5% 43.4%
1998 31% 43.9%
1997 31.6% 44.3%
1996 32.2% 44.7%
1995 32.8% 44.9%
1994 33.4% 45.1%
1993 34% 45.2%
1992 34.5% 45.2%
1991 35% 45.1%
1990 35.5% 45.1%
1989 35.9% 45%
1988 36.3% 45%
1987 36.6% 44.9%
1986 36.9% 44.7%
1985 37.2% 44.5%
1984 37.4% 44.4%
1983 37.7% 44.5%
1982 37.9% 44.5%
1981 38.1% 44.7%
1980 38.4% 44.9%
1979 38.8% 45.1%
1978 39.1% 45.2%
1977 39.6% 45.3%
1976 40% 45.4%
1975 40.5% 45.5%
1974 40.9% 45.6%
1973 41.4% 45.7%
1972 41.8% 45.9%
1971 42.2% 46.1%
1970 42.7% 46.2%
1969 43% 45.8%
1968 43.4% 44.9%
1967 43.8% 44%
1966 44% 42.9%
1965 44.2% 41.6%
1964 44.4% 40.2%
1963 44.5% 38.5%
1962 44.4% 36.6%
1961 44.3% 34.3%
1960 44.2% 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/brazil/sao-tome-and-principe | CC BY

Children aged 0-14 make up 19.7% of the population in Brazil and 37.8% in Sao Tome and Principe in 2024, compared to 35.5% and 45.1% respectively in 1990.

Demographics of Brazil 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/brazil/sao-tome-and-principe | CC BY

Maternal mortality chart: Brazil vs Sao Tome and Principe

Brazil
Sao Tome and Principe
1x
Year Maternal mortality per 100K births
Brazil Sao Tome
2023 67 75
2022 104 82
2021 128 98
2020 85 92
2019 65 95
2018 62 100
2017 61 110
2016 64 119
2015 63 128
2014 63 138
2013 61 150
2012 60 158
2011 62 164
2010 66 170
2009 69 172
2008 71 174
2007 73 174
2006 72 177
2005 71 181
2004 70 177
2003 67 178
2002 66 179
2001 66 178
2000 69 180
1999 75 179
1998 84 175
1997 92 173
1996 98 171
1995 103 172
1994 108 168
1993 113 166
1992 118 164
1991 128 166
1990 140 164
1989 150 167
1988 161 157
1987 167 161
1986 176 175
1985 186 159

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

GeoRank.org/birth-rate/brazil/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 67 deaths per 100,000 live births in Brazil, compared to 75 deaths in Sao Tome and Principe.

Under-five mortality rates

Brazil
Sao Tome and Principe

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Brazil Sao Tome
2023 1.44% 1.39%
2022 1.46% 1.46%
2021 1.47% 1.53%
2020 1.49% 1.6%
2019 1.5% 1.7%
2018 1.52% 1.81%
2017 1.54% 1.95%
2016 1.68% 2.11%
2015 1.6% 2.31%
2014 1.63% 2.54%
2013 1.67% 2.77%
2012 1.72% 3.04%
2011 1.79% 3.33%
2010 1.86% 3.63%
2009 1.95% 3.95%
2008 2.05% 4.3%
2007 2.17% 4.68%
2006 2.31% 5.11%
2005 2.46% 5.56%
2004 2.63% 6.05%
2003 2.81% 6.57%
2002 3.01% 7.1%
2001 3.22% 7.66%
2000 3.45% 8.21%
1999 3.68% 8.76%
1998 3.93% 9.26%
1997 4.19% 9.73%
1996 4.47% 10.1%
1995 4.77% 10.4%
1994 5.09% 10.7%
1993 5.41% 10.8%
1992 5.72% 10.9%
1991 6.02% 10.9%
1990 6.31% 10.8%
1989 6.58% 10.7%
1988 6.84% 10.6%
1987 7.11% 10.4%
1986 7.38% 11.4%
1985 7.67% 9.99%
1984 7.98% 9.77%
1983 8.34% 9.56%
1982 8.73% 9.37%
1981 9.14% 9.21%
1980 9.57% 9.1%
1979 10% 9.02%
1978 10.4% 8.96%
1977 10.8% 8.93%
1976 11.2% 8.89%
1975 11.6% 8.85%
1974 11.9% 8.79%
1973 12.2% 8.73%
1972 12.6% 8.67%
1971 12.9% 8.63%
1970 13.2% 8.64%
1969 13.6% 8.71%
1968 13.9% 8.85%
1967 14.2% 9.04%
1966 14.5% 9.29%
1965 14.9% 9.56%
1964 15.2% -
1963 15.6% -
1962 16% -
1961 16.5% -
1960 16.9% -

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

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

The chance that a newborn baby will die before reaching age five is 1.44% in Brazil 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. Central Intelligence Agency (CIA) (2025, retrieved 2026-02-20)

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