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Fertility & birth rates in Monaco and Sao Tome and Principe

Updated on by Georank team

Monaco has an annual birth rate of 9.44 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 2.11 in Monaco and 3.64 in Sao Tome and Principe — 72.7% difference.

1960 vs 2023, the fertility rate has decreased by 25% in Monaco and by 41.6% in Sao Tome and Principe — in 1960, it was 2.81 and 6.24, respectively.

  • Monaco is ranked 154/196 by birth rate compared to 39/196 for Sao Tome and Principe.
  • The mean age for first-time mothers is 32.5 years in Monaco, compared to 19.4 years in Sao Tome and Principe.
  • The mean age at childbearing (for all the births, not just the first) is 30.9 in Monaco — 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 9.69 in Monaco vs 86.2 in Sao Tome and Principe.
  • In Monaco, 15.8% of the population is composed of women of reproductive age (15-49), compared to 25.2% in Sao Tome and Principe.

Fertility rate in Monaco vs Sao Tome and Principe by year

Monaco
Sao Tome and Principe
1x
Year Fertility rate
Monaco Sao Tome
2023 2.11 3.64
2022 2.11 3.7
2021 2.12 3.76
2020 2.38 3.83
2019 2.4 3.9
2018 2.49 3.98
2017 2.42 4.07
2016 2.58 4.2
2015 2.5 4.35
2014 2.49 4.49
2013 2.31 4.58
2012 2.29 4.66
2011 2.22 4.72
2010 2.38 4.77
2009 2.4 4.84
2008 2.38 4.91
2007 2.21 4.96
2006 2.1 4.93
2005 2.01 4.94
2004 1.99 4.96
2003 1.91 5.01
2002 2.01 5.06
2001 2.18 5.1
2000 2.08 5.16
1999 2.01 5.23
1998 1.95 5.3
1997 1.88 5.4
1996 1.82 5.47
1995 1.78 5.55
1994 1.76 5.56
1993 1.75 5.64
1992 1.76 5.7
1991 1.79 5.77
1990 1.85 5.83
1989 1.93 5.88
1988 2.01 5.94
1987 2.06 5.99
1986 2.11 6.05
1985 2.14 6.1
1984 2.17 6.16
1983 2.18 6.22
1982 2.2 6.28
1981 2.22 6.33
1980 2.24 6.39
1979 2.26 6.43
1978 2.28 6.47
1977 2.31 6.5
1976 2.33 6.52
1975 2.35 6.53
1974 2.38 6.53
1973 2.41 6.53
1972 2.44 6.51
1971 2.47 6.49
1970 2.5 6.47
1969 2.54 6.44
1968 2.57 6.42
1967 2.59 6.39
1966 2.63 6.37
1965 2.66 6.35
1964 2.69 6.33
1963 2.73 6.31
1962 2.76 6.28
1961 2.78 6.26
1960 2.81 6.24

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

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

According to the latest available data on birth rates, the fertility rate in Monaco was 2.11 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 Monaco vs Sao Tome and Principe population clock for a dynamic visualization of the changing population.

Natural population change by year

Monaco
Sao Tome and Principe
1x
Year Natural population change
Monaco Sao Tome
2023 -449 5,221
2022 -576 5,102
2021 -605 4,954
2020 -445 4,874
2019 -473 4,932
2018 -423 4,957
2017 -417 5,007
2016 -376 5,125
2015 -327 5,269
2014 -266 5,381
2013 -216 5,449
2012 -144 5,501
2011 -91 5,445
2010 -18 5,391
2009 23 5,349
2008 40 5,297
2007 24 5,226
2006 25 5,057
2005 26 4,897
2004 31 4,810
2003 14 4,702
2002 26 4,591
2001 52 4,471
2000 36 4,334
1999 25 4,221
1998 18 4,120
1997 6 4,041
1996 -6 3,993
1995 -14 3,948
1994 -22 3,860
1993 -29 3,841
1992 -33 3,822
1991 -35 3,801
1990 -26 3,719
1989 -2 3,576
1988 19 3,544
1987 30 3,440
1986 16 3,180
1985 -5 3,242
1984 -30 3,163
1983 -49 3,100
1982 -59 3,047
1981 -60 3,015
1980 -53 2,965
1979 -47 2,893
1978 -45 2,800
1977 -51 2,705
1976 -57 2,608
1975 -60 2,515
1974 -55 2,422
1973 -48 2,329
1972 -41 2,232
1971 -35 2,127
1970 -30 1,980
1969 -29 1,862
1968 -25 1,767
1967 -22 1,693
1966 -15 1,642
1965 -12 1,611
1964 -9 1,600
1963 -4 1,609
1962 5 1,625
1961 13 1,657
1960 20 1,547

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

GeoRank.org/birth-rate/monaco/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 -1.15% in Monaco and +2.26% in Sao Tome and Principe.

For the past 10 years, the annual natural population change has been -1.15% in Monaco and +2.4% in Sao Tome and Principe.

Birth rate in Monaco vs Sao Tome and Principe by year

Monaco
Sao Tome and Principe

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Monaco Sao Tome
2023 9.44 28.2
2022 8.69 28.3
2021 8.69 28.5
2020 9.75 28.6
2019 9.97 29.2
2018 10.2 29.8
2017 10 30.6
2016 10.8 31.7
2015 10.6 33
2014 10.7 34.3
2013 10.1 35.4
2012 10.3 36.4
2011 10.2 36.8
2010 11.3 37.3
2009 11.8 37.9
2008 12.2 38.5
2007 11.5 38.9
2006 11.1 38.9
2005 10.7 39
2004 10.9 39.2
2003 10.6 39.6
2002 11.3 39.8
2001 12.6 40
2000 12.2 39.7
1999 12 39.4
1998 11.8 39.2
1997 11.5 39.2
1996 11.3 39.3
1995 11.1 39.5
1994 11 39.4
1993 11 39.8
1992 11.1 40.2
1991 11.4 40.7
1990 11.8 40.7
1989 12.4 40.9
1988 12.9 40.9
1987 13.3 41
1986 13.6 41
1985 13.9 41
1984 14.1 41.1
1983 14.3 41.2
1982 14.5 41.3
1981 14.6 41.5
1980 14.7 41.6
1979 14.8 41.6
1978 14.9 41.4
1977 15.1 41.3
1976 15.3 41.1
1975 15.6 40.9
1974 15.6 40.6
1973 15.6 40.3
1972 15.6 39.9
1971 15.6 39.5
1970 15.7 38.8
1969 15.8 38.2
1968 15.9 37.8
1967 15.8 37.7
1966 15.8 38
1965 15.8 38.6
1964 16 39.7
1963 16.3 41.1
1962 16.5 42.7
1961 16.6 44.6
1960 16.7 44.6

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

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

The latest reported birth rate per 1,000 people in 2023 was 9.44 in Monaco and 28.2 in Sao Tome and Principe, compared with 16.7 and 44.6, respectively, in 1960.

Birth rate data compared

Monaco Sao Tome
Fertility rate 2.11 3.64
Fertility rate rank 94/196 41/196
Birth rate 9.44 28.2
Birth rate rank 154/196 39/196
Population change due to births and deaths -449 +5,221
Natural population change rank 162/196 126/196
Natural population change rate -1.15% +2.26%
Population growth -0.83% +2.02%
Population growth rank 192/197 49/197
Age at first childbirth 32.5 years 19.4 years
Average age at childbearing 30.9 years 28.4 years
Annual births per 1,000 women ages 15-19 9.04 82.5
Annual births per 1,000 women ages 20-29 82.5 169.9
Annual births per 1,000 women ages 30+ 14.9 47.4
Female of reproductive age (15-49), share of population 15.8% 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 n/a 96.8%
Maternal mortality per live birth 0.005% 0.08%
Neonatal mortality rate (before reaching 28 days of age) 0.15% 0.68%
Infant mortality rate (before reaching 1 year of age) 0.23% 0.94%
Mortality rate before reaching 5 years of age 0.27% 1.39%
Life expectancy 86.7 years 70.3 years

Children 0-14 years as share of population

Monaco
Factual

UN forecast
Sao Tome and Principe
Factual

UN forecast
1x
Year Young
Monaco Sao Tome
2100 16.3% 19.5%
2099 16.3% 19.6%
2098 16.4% 19.8%
2097 16.4% 19.9%
2096 16.5% 20%
2095 16.5% 20.2%
2094 16.6% 20.3%
2093 16.6% 20.4%
2092 16.6% 20.6%
2091 16.6% 20.7%
2090 16.7% 20.9%
2089 16.7% 21.1%
2088 16.7% 21.2%
2087 16.7% 21.4%
2086 16.7% 21.6%
2085 16.7% 21.8%
2084 16.7% 22%
2083 16.7% 22.2%
2082 16.8% 22.4%
2081 16.8% 22.6%
2080 16.8% 22.9%
2079 16.8% 23.1%
2078 16.9% 23.3%
2077 17% 23.5%
2076 17% 23.7%
2075 17.1% 24%
2074 17.1% 24.2%
2073 17.2% 24.4%
2072 17.3% 24.6%
2071 17.3% 24.8%
2070 17.4% 25%
2069 17.5% 25.2%
2068 17.5% 25.4%
2067 17.6% 25.6%
2066 17.6% 25.9%
2065 17.6% 26.1%
2064 17.7% 26.3%
2063 17.7% 26.5%
2062 17.6% 26.8%
2061 17.6% 27%
2060 17.6% 27.3%
2059 17.5% 27.5%
2058 17.4% 27.8%
2057 17.3% 28.1%
2056 17.2% 28.4%
2055 17.1% 28.7%
2054 17% 29%
2053 16.9% 29.4%
2052 16.8% 29.7%
2051 16.7% 30.1%
2050 16.6% 30.4%
2049 16.5% 30.8%
2048 16.4% 31.1%
2047 16.4% 31.5%
2046 16.3% 31.8%
2045 16.2% 32.1%
2044 16.1% 32.5%
2043 16.1% 32.8%
2042 16% 33.1%
2041 16% 33.4%
2040 15.9% 33.6%
2039 15.9% 33.9%
2038 15.8% 34.1%
2037 15.7% 34.4%
2036 15.6% 34.6%
2035 15.5% 34.7%
2034 15.4% 34.9%
2033 15.4% 35.1%
2032 15.3% 35.3%
2031 15.2% 35.5%
2030 15% 35.8%
2029 14.7% 36.1%
2028 14.5% 36.6%
2027 14.2% 37%
2026 13.9% 37.3%
2025 13.6% 37.6%
2024 13.5% 37.8%
2023 13.2% 38.3%
2022 12.9% 38.8%
2021 12.8% 39.4%
2020 12.8% 39.9%
2019 12.5% 40.5%
2018 12.3% 40.9%
2017 12.3% 41.4%
2016 12.2% 41.7%
2015 12.3% 41.9%
2014 12.5% 42%
2013 12.8% 42%
2012 13% 42%
2011 13.1% 42%
2010 13.2% 42.1%
2009 13.2% 42.1%
2008 13.3% 42.1%
2007 13.5% 42%
2006 13.8% 42%
2005 14% 42%
2004 14.1% 42.1%
2003 14% 42.2%
2002 13.8% 42.3%
2001 13.6% 42.5%
2000 13.4% 42.8%
1999 13.6% 43.4%
1998 13.8% 43.9%
1997 13.8% 44.3%
1996 13.8% 44.7%
1995 13.7% 44.9%
1994 13.5% 45.1%
1993 13.4% 45.2%
1992 13.1% 45.2%
1991 12.9% 45.1%
1990 12.8% 45.1%
1989 13.2% 45%
1988 13.6% 45%
1987 13.7% 44.9%
1986 13.7% 44.7%
1985 13.5% 44.5%
1984 13.3% 44.4%
1983 12.9% 44.5%
1982 12.6% 44.5%
1981 12.9% 44.7%
1980 13.6% 44.9%
1979 14% 45.1%
1978 14.3% 45.2%
1977 14.2% 45.3%
1976 14% 45.4%
1975 13.5% 45.5%
1974 13.6% 45.6%
1973 14.1% 45.7%
1972 14.5% 45.9%
1971 14.5% 46.1%
1970 14.5% 46.2%
1969 14.3% 45.8%
1968 13.8% 44.9%
1967 14% 44%
1966 14.4% 42.9%
1965 14.5% 41.6%
1964 14.3% 40.2%
1963 13.8% 38.5%
1962 13.4% 36.6%
1961 13.7% 34.3%
1960 14.5% 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/monaco/sao-tome-and-principe | CC BY

Children aged 0-14 make up 13.5% of the population in Monaco and 37.8% in Sao Tome and Principe in 2024, compared to 12.8% and 45.1% respectively in 1990.

Demographics of Monaco 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/monaco/sao-tome-and-principe | CC BY

Maternal mortality chart: Monaco vs Sao Tome and Principe

Monaco
Sao Tome and Principe
1x
Year Maternal mortality per 100K births
Monaco Sao Tome
2023 5 75
2022 5 82
2021 5 98
2020 24 92
2019 6 95
2018 6 100
2017 5 110
2016 6 119
2015 5 128
2014 5 138
2013 5 150
2012 5 158
2011 11 164
2010 11 170
2009 11 172
2008 11 174
2007 10 174
2006 5 177
2005 5 181
2004 5 177
2003 5 178
2002 10 179
2001 10 178
2000 10 180
1999 10 179
1998 10 175
1997 10 173
1996 10 171
1995 10 172
1994 10 168
1993 10 166
1992 15 164
1991 15 166
1990 16 164
1989 16 167
1988 16 157
1987 17 161
1986 17 175
1985 29 159

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

GeoRank.org/birth-rate/monaco/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 5 deaths per 100,000 live births in Monaco, compared to 75 deaths in Sao Tome and Principe.

Under-five mortality rates

Monaco
Sao Tome and Principe

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Monaco Sao Tome
2023 0.27% 1.39%
2022 0.28% 1.46%
2021 0.29% 1.53%
2020 0.3% 1.6%
2019 0.31% 1.7%
2018 0.32% 1.81%
2017 0.33% 1.95%
2016 0.34% 2.11%
2015 0.35% 2.31%
2014 0.36% 2.54%
2013 0.37% 2.77%
2012 0.38% 3.04%
2011 0.39% 3.33%
2010 0.4% 3.63%
2009 0.41% 3.95%
2008 0.42% 4.3%
2007 0.43% 4.68%
2006 0.44% 5.11%
2005 0.45% 5.56%
2004 0.46% 6.05%
2003 0.47% 6.57%
2002 0.48% 7.1%
2001 0.5% 7.66%
2000 0.52% 8.21%
1999 0.53% 8.76%
1998 0.55% 9.26%
1997 0.58% 9.73%
1996 0.6% 10.1%
1995 0.62% 10.4%
1994 0.65% 10.7%
1993 0.68% 10.8%
1992 0.71% 10.9%
1991 0.74% 10.9%
1990 0.77% 10.8%
1989 0.81% 10.7%
1988 0.85% 10.6%
1987 0.89% 10.4%
1986 0.93% 11.4%
1985 0.97% 9.99%
1984 - 9.77%
1983 - 9.56%
1982 - 9.37%
1981 - 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/monaco/sao-tome-and-principe | CC BY

The chance that a newborn baby will die before reaching age five is 0.27% in Monaco 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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