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Fertility & birth rates in Sao Tome and Principe and Syria

Updated on by Georank team

Sao Tome and Principe has an annual birth rate of 28.2 births per 1,000 people, compared to 22.1 for Syria. The average number of children a woman is expected to have during her lifetime — the fertility rate, is 3.64 in Sao Tome and Principe and 2.71 in Syria — 25.6% difference.

1960 vs 2023, the fertility rate has decreased by 41.6% in Sao Tome and Principe and by 63.9% in Syria — in 1960, it was 6.24 and 7.51, respectively.

  • Sao Tome and Principe is ranked 39/196 by birth rate compared to 61/196 for Syria.
  • The mean age at childbearing (for all the births, not just the first) is 28.4 in Sao Tome and Principe — it's 28.8 in Syria.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 86.2 in Sao Tome and Principe vs 38.9 in Syria.
  • In Sao Tome and Principe, 25.2% of the population is composed of women of reproductive age (15-49), compared to 27.7% in Syria.

Fertility rate in Sao Tome and Principe vs Syria by year

Sao Tome and Principe
Syria
1x
Year Fertility rate
Sao Tome Syria
2023 3.64 2.71
2022 3.7 2.75
2021 3.76 2.8
2020 3.83 2.84
2019 3.9 2.88
2018 3.98 2.93
2017 4.07 2.97
2016 4.2 3.01
2015 4.35 3.07
2014 4.49 3.12
2013 4.58 3.17
2012 4.66 3.22
2011 4.72 3.29
2010 4.77 3.36
2009 4.84 3.42
2008 4.91 3.48
2007 4.96 3.54
2006 4.93 3.56
2005 4.94 3.61
2004 4.96 3.68
2003 5.01 3.76
2002 5.06 3.87
2001 5.1 3.98
2000 5.16 4.07
1999 5.23 4.14
1998 5.3 4.25
1997 5.4 4.37
1996 5.47 4.54
1995 5.55 4.7
1994 5.56 4.86
1993 5.64 4.99
1992 5.7 5.14
1991 5.77 5.34
1990 5.83 5.56
1989 5.88 5.78
1988 5.94 6
1987 5.99 6.2
1986 6.05 6.37
1985 6.1 6.48
1984 6.16 6.59
1983 6.22 6.69
1982 6.28 6.81
1981 6.33 6.97
1980 6.39 7.12
1979 6.43 7.25
1978 6.47 7.35
1977 6.5 7.42
1976 6.52 7.45
1975 6.53 7.49
1974 6.53 7.52
1973 6.53 7.55
1972 6.51 7.57
1971 6.49 7.6
1970 6.47 7.62
1969 6.44 7.59
1968 6.42 7.57
1967 6.39 7.56
1966 6.37 7.55
1965 6.35 7.53
1964 6.33 7.53
1963 6.31 7.51
1962 6.28 7.51
1961 6.26 7.5
1960 6.24 7.51

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

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

According to the latest available data on birth rates, the fertility rate in Sao Tome and Principe was 3.64 children per woman in 2023, compared to 2.71 in Syria in 2023. The replacement level is considered to be 2.1 children per woman.

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

Natural population change by year

Sao Tome and Principe
Syria
1x
Year Natural population change
Sao Tome Syria
2023 5,221 402,713
2022 5,102 369,750
2021 4,954 350,560
2020 4,874 327,992
2019 4,932 293,762
2018 4,957 242,530
2017 5,007 237,214
2016 5,125 236,007
2015 5,269 253,977
2014 5,381 333,116
2013 5,449 419,341
2012 5,501 475,520
2011 5,445 543,950
2010 5,391 558,666
2009 5,349 559,314
2008 5,297 576,593
2007 5,226 529,162
2006 5,057 480,616
2005 4,897 468,960
2004 4,810 461,209
2003 4,702 457,000
2002 4,591 453,967
2001 4,471 451,503
2000 4,334 446,211
1999 4,221 439,261
1998 4,120 433,447
1997 4,041 429,887
1996 3,993 430,765
1995 3,948 430,172
1994 3,860 426,996
1993 3,841 420,244
1992 3,822 412,878
1991 3,801 410,830
1990 3,719 409,177
1989 3,576 406,111
1988 3,544 404,285
1987 3,440 399,159
1986 3,180 390,821
1985 3,242 379,231
1984 3,163 366,768
1983 3,100 355,375
1982 3,047 319,664
1981 3,015 330,237
1980 2,965 332,464
1979 2,893 324,943
1978 2,800 316,724
1977 2,705 306,630
1976 2,608 294,267
1975 2,515 282,299
1974 2,422 270,735
1973 2,329 254,687
1972 2,232 249,027
1971 2,127 239,610
1970 1,980 230,117
1969 1,862 219,114
1968 1,767 209,454
1967 1,693 199,223
1966 1,642 191,122
1965 1,611 182,560
1964 1,600 174,549
1963 1,609 166,555
1962 1,625 159,155
1961 1,657 151,485
1960 1,547 143,687

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

GeoRank.org/birth-rate/sao-tome-and-principe/syria | 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 +2.26% in Sao Tome and Principe and +1.71% in Syria.

For the past 10 years, the annual natural population change has been +2.4% in Sao Tome and Principe and +1.46% in Syria.

Birth rate in Sao Tome and Principe vs Syria by year

Sao Tome and Principe
Syria

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Sao Tome Syria
2023 28.2 22.1
2022 28.3 21.2
2021 28.5 21.2
2020 28.6 20.6
2019 29.2 19.7
2018 29.8 18.9
2017 30.6 19.6
2016 31.7 19.6
2015 33 21.3
2014 34.3 23.8
2013 35.4 26.9
2012 36.4 27.7
2011 36.8 28.1
2010 37.3 28.7
2009 37.9 29.2
2008 38.5 30.5
2007 38.9 29.1
2006 38.9 28.3
2005 39 28.8
2004 39.2 29.1
2003 39.6 29.6
2002 39.8 30.1
2001 40 30.7
2000 39.7 31.2
1999 39.4 31.5
1998 39.2 32
1997 39.2 32.5
1996 39.3 33.3
1995 39.5 34
1994 39.4 34.6
1993 39.8 35
1992 40.2 35.4
1991 40.7 36.3
1990 40.7 37.3
1989 40.9 38.3
1988 40.9 39.4
1987 41 40.3
1986 41 41
1985 41 41.3
1984 41.1 41.5
1983 41.2 41.9
1982 41.3 42.2
1981 41.5 43
1980 41.6 43.7
1979 41.6 44.4
1978 41.4 44.9
1977 41.3 45.3
1976 41.1 45.4
1975 40.9 45.5
1974 40.6 45.6
1973 40.3 45.7
1972 39.9 45.9
1971 39.5 46.2
1970 38.8 46.5
1969 38.2 46.4
1968 37.8 46.5
1967 37.7 46.5
1966 38 46.7
1965 38.6 46.7
1964 39.7 46.9
1963 41.1 47
1962 42.7 47.2
1961 44.6 47.3
1960 44.6 47.4

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

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

The latest reported birth rate per 1,000 people in 2023 was 28.2 in Sao Tome and Principe and 22.1 in Syria, compared with 44.6 and 47.4, respectively, in 1960.

Birth rate data compared

Sao Tome Syria
Fertility rate 3.64 2.71
Fertility rate rank 41/196 64/196
Birth rate 28.2 22.1
Birth rate rank 39/196 61/196
Population change due to births and deaths +5,221 +402,713
Natural population change rank 126/196 44/196
Natural population change rate +2.26% +1.71%
Population growth +2.02% +4.57%
Population growth rank 49/197 6/197
Age at first childbirth 19.4 years n/a
Average age at childbearing 28.4 years 28.8 years
Annual births per 1,000 women ages 15-19 82.5 37.9
Annual births per 1,000 women ages 20-29 169.9 136.4
Annual births per 1,000 women ages 30+ 47.4 36.3
Female of reproductive age (15-49), share of population 25.2% 27.7%
Any modern method of contraceptive prevalence among married women ages 15-49 46% 37.5%
Share of births attended by skilled health staff 96.8% 96.2%
Maternal mortality per live birth 0.08% 0.02%
Neonatal mortality rate (before reaching 28 days of age) 0.68% 1%
Infant mortality rate (before reaching 1 year of age) 0.94% 1.9%
Mortality rate before reaching 5 years of age 1.39% 2.06%
Life expectancy 70.3 years 73.4 years

Children 0-14 years as share of population

Sao Tome and Principe
Factual

UN forecast
Syria
Factual

UN forecast
1x
Year Young
Sao Tome Syria
2100 19.5% 15.9%
2099 19.6% 16%
2098 19.8% 16%
2097 19.9% 16.1%
2096 20% 16.1%
2095 20.2% 16.1%
2094 20.3% 16.2%
2093 20.4% 16.2%
2092 20.6% 16.2%
2091 20.7% 16.2%
2090 20.9% 16.2%
2089 21.1% 16.2%
2088 21.2% 16.2%
2087 21.4% 16.3%
2086 21.6% 16.4%
2085 21.8% 16.4%
2084 22% 16.5%
2083 22.2% 16.7%
2082 22.4% 16.8%
2081 22.6% 17%
2080 22.9% 17.2%
2079 23.1% 17.4%
2078 23.3% 17.6%
2077 23.5% 17.8%
2076 23.7% 18.1%
2075 24% 18.3%
2074 24.2% 18.6%
2073 24.4% 18.8%
2072 24.6% 19.1%
2071 24.8% 19.3%
2070 25% 19.5%
2069 25.2% 19.6%
2068 25.4% 19.8%
2067 25.6% 19.9%
2066 25.9% 20%
2065 26.1% 20.1%
2064 26.3% 20.1%
2063 26.5% 20.1%
2062 26.8% 20.2%
2061 27% 20.2%
2060 27.3% 20.2%
2059 27.5% 20.2%
2058 27.8% 20.3%
2057 28.1% 20.4%
2056 28.4% 20.5%
2055 28.7% 20.7%
2054 29% 21%
2053 29.4% 21.3%
2052 29.7% 21.6%
2051 30.1% 22%
2050 30.4% 22.5%
2049 30.8% 23%
2048 31.1% 23.6%
2047 31.5% 24.2%
2046 31.8% 24.8%
2045 32.1% 25.5%
2044 32.5% 26.1%
2043 32.8% 26.7%
2042 33.1% 27.2%
2041 33.4% 27.8%
2040 33.6% 28.2%
2039 33.9% 28.6%
2038 34.1% 28.9%
2037 34.4% 29%
2036 34.6% 29%
2035 34.7% 28.9%
2034 34.9% 28.7%
2033 35.1% 28.5%
2032 35.3% 28.1%
2031 35.5% 27.7%
2030 35.8% 27.4%
2029 36.1% 27.3%
2028 36.6% 27.4%
2027 37% 27.7%
2026 37.3% 28.1%
2025 37.6% 28.8%
2024 37.8% 29.2%
2023 38.3% 30.3%
2022 38.8% 31.9%
2021 39.4% 33.4%
2020 39.9% 34.6%
2019 40.5% 36.1%
2018 40.9% 37.9%
2017 41.4% 39.3%
2016 41.7% 40.2%
2015 41.9% 40.6%
2014 42% 39.8%
2013 42% 38%
2012 42% 36.5%
2011 42% 36.1%
2010 42.1% 36.1%
2009 42.1% 36.3%
2008 42.1% 36.3%
2007 42% 36.7%
2006 42% 38.1%
2005 42% 39.1%
2004 42.1% 39.6%
2003 42.2% 40.2%
2002 42.3% 40.8%
2001 42.5% 41.3%
2000 42.8% 41.9%
1999 43.4% 42.4%
1998 43.9% 42.9%
1997 44.3% 43.3%
1996 44.7% 43.8%
1995 44.9% 44.2%
1994 45.1% 44.7%
1993 45.2% 45.2%
1992 45.2% 45.7%
1991 45.1% 46.1%
1990 45.1% 46.6%
1989 45% 46.9%
1988 45% 47.2%
1987 44.9% 47.5%
1986 44.7% 47.7%
1985 44.5% 48%
1984 44.4% 48.2%
1983 44.5% 48.4%
1982 44.5% 48.5%
1981 44.7% 48.7%
1980 44.9% 48.7%
1979 45.1% 48.7%
1978 45.2% 48.7%
1977 45.3% 48.7%
1976 45.4% 48.6%
1975 45.5% 48.6%
1974 45.6% 48.5%
1973 45.7% 48.5%
1972 45.9% 48.4%
1971 46.1% 48.3%
1970 46.2% 48.2%
1969 45.8% 48%
1968 44.9% 47.8%
1967 44% 47.5%
1966 42.9% 47.3%
1965 41.6% 46.9%
1964 40.2% 46.6%
1963 38.5% 46.3%
1962 36.6% 46.1%
1961 34.3% 45.7%
1960 32.9% 45.3%

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

Children aged 0-14 make up 37.8% of the population in Sao Tome and Principe and 29.2% in Syria in 2024, compared to 45.1% and 46.6% respectively in 1990.

Demographics of Sao Tome and Principe and Syria compared.

Fertility rates around the globe

1x

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

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

Maternal mortality chart: Sao Tome and Principe vs Syria

Sao Tome and Principe
Syria
1x
Year Maternal mortality per 100K births
Sao Tome Syria
2023 75 20
2022 82 21
2021 98 30
2020 92 23
2019 95 24
2018 100 21
2017 110 23
2016 119 23
2015 128 24
2014 138 25
2013 150 25
2012 158 22
2011 164 21
2010 170 19
2009 172 19
2008 174 20
2007 174 19
2006 177 20
2005 181 21
2004 177 22
2003 178 24
2002 179 26
2001 178 29
2000 180 31
1999 179 32
1998 175 34
1997 173 34
1996 171 34
1995 172 33
1994 168 32
1993 166 32
1992 164 33
1991 166 35
1990 164 37
1989 167 41
1988 157 44
1987 161 48
1986 175 52
1985 159 55

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

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

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 75 deaths per 100,000 live births in Sao Tome and Principe, compared to 20 deaths in Syria.

Under-five mortality rates

Sao Tome and Principe
Syria

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Sao Tome Syria
2023 1.39% 2.06%
2022 1.46% 2.11%
2021 1.53% 2.1%
2020 1.6% 2.24%
2019 1.7% 2.5%
2018 1.81% 3.26%
2017 1.95% 3.3%
2016 2.11% 3.22%
2015 2.31% 3.7%
2014 2.54% 3.53%
2013 2.77% 3.65%
2012 3.04% 3.39%
2011 3.33% 2.17%
2010 3.63% 1.9%
2009 3.95% 1.9%
2008 4.3% 1.9%
2007 4.68% 1.92%
2006 5.11% 1.95%
2005 5.56% 1.98%
2004 6.05% 2.03%
2003 6.57% 2.09%
2002 7.1% 2.15%
2001 7.66% 2.23%
2000 8.21% 2.32%
1999 8.76% 2.42%
1998 9.26% 2.53%
1997 9.73% 2.66%
1996 10.1% 2.8%
1995 10.4% 2.94%
1994 10.7% 3.09%
1993 10.8% 3.24%
1992 10.9% 3.4%
1991 10.9% 3.55%
1990 10.8% 3.7%
1989 10.7% 3.85%
1988 10.6% 4.02%
1987 10.4% 4.19%
1986 11.4% 4.39%
1985 9.99% 4.6%
1984 9.77% 4.84%
1983 9.56% 5.1%
1982 9.37% 7.06%
1981 9.21% 6.33%
1980 9.1% 6.03%
1979 9.02% 6.4%
1978 8.96% 6.79%
1977 8.93% 7.19%
1976 8.89% 7.61%
1975 8.85% 8.03%
1974 8.79% 8.47%
1973 8.73% 8.92%
1972 8.67% 9.4%
1971 8.63% 9.91%
1970 8.64% 10.5%
1969 8.71% 11.1%
1968 8.85% 11.7%
1967 9.04% 12.3%
1966 9.29% 12.9%
1965 9.56% 13.5%
1964 - 14.1%
1963 - 14.7%
1962 - 15.3%
1961 - 16.1%
1960 - 16.9%

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

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

The chance that a newborn baby will die before reaching age five is 1.39% in Sao Tome and Principe and 2.06% in Syria. 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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