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Fertility & birth rates in Romania and Sao Tome and Principe

Updated on by Georank team

Romania has an annual birth rate of 8 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 1.71 in Romania and 3.64 in Sao Tome and Principe — 113.1% difference.

1960 vs 2023, the fertility rate has decreased by 26.9% in Romania and by 41.6% in Sao Tome and Principe — in 1960, it was 2.34 and 6.24, respectively.

  • Romania is ranked 177/196 by birth rate compared to 39/196 for Sao Tome and Principe.
  • The mean age for first-time mothers is 27.1 years in Romania, compared to 19.4 years in Sao Tome and Principe.
  • The mean age at childbearing (for all the births, not just the first) is 28.5 in Romania — 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 33.8 in Romania vs 86.2 in Sao Tome and Principe.
  • In Romania, 21.4% of the population is composed of women of reproductive age (15-49), compared to 25.2% in Sao Tome and Principe.

Fertility rate in Romania vs Sao Tome and Principe by year

Romania
Sao Tome and Principe
1x
Year Fertility rate
Romania Sao Tome
2023 1.71 3.64
2022 1.71 3.7
2021 1.81 3.76
2020 1.8 3.83
2019 1.77 3.9
2018 1.76 3.98
2017 1.78 4.07
2016 1.69 4.2
2015 1.62 4.35
2014 1.56 4.49
2013 1.46 4.58
2012 1.52 4.66
2011 1.47 4.72
2010 1.59 4.77
2009 1.66 4.84
2008 1.6 4.91
2007 1.45 4.96
2006 1.42 4.93
2005 1.4 4.94
2004 1.33 4.96
2003 1.3 5.01
2002 1.27 5.06
2001 1.27 5.1
2000 1.31 5.16
1999 1.3 5.23
1998 1.32 5.3
1997 1.32 5.4
1996 1.3 5.47
1995 1.33 5.55
1994 1.4 5.56
1993 1.43 5.64
1992 1.51 5.7
1991 1.59 5.77
1990 1.83 5.83
1989 2.22 5.88
1988 2.3 5.94
1987 2.38 5.99
1986 2.39 6.05
1985 2.31 6.1
1984 2.26 6.16
1983 2.06 6.22
1982 2.17 6.28
1981 2.36 6.33
1980 2.43 6.39
1979 2.49 6.43
1978 2.52 6.47
1977 2.57 6.5
1976 2.54 6.52
1975 2.59 6.53
1974 2.71 6.53
1973 2.44 6.53
1972 2.55 6.51
1971 2.67 6.49
1970 2.89 6.47
1969 3.19 6.44
1968 3.63 6.42
1967 3.66 6.39
1966 1.9 6.37
1965 1.91 6.35
1964 1.96 6.33
1963 2.01 6.31
1962 2.04 6.28
1961 2.17 6.26
1960 2.34 6.24

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

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

According to the latest available data on birth rates, the fertility rate in Romania was 1.71 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 Romania vs Sao Tome and Principe population clock for a dynamic visualization of the changing population.

Natural population change by year

Romania
Sao Tome and Principe
1x
Year Natural population change
Romania Sao Tome
2023 -89,587 5,221
2022 -93,338 5,102
2021 -141,504 4,954
2020 -100,179 4,874
2019 -60,053 4,932
2018 -62,316 4,957
2017 -50,930 5,007
2016 -53,196 5,125
2015 -59,447 5,269
2014 -55,745 5,381
2013 -59,951 5,449
2012 -54,157 5,501
2011 -56,413 5,445
2010 -46,567 5,391
2009 -34,625 5,349
2008 -30,806 5,297
2007 -37,590 5,226
2006 -38,148 5,057
2005 -40,508 4,897
2004 -42,904 4,810
2003 -56,093 4,702
2002 -58,673 4,591
2001 -37,625 4,471
2000 -22,443 4,334
1999 -31,461 4,221
1998 -33,761 4,120
1997 -42,853 4,041
1996 -56,548 3,993
1995 -36,295 3,948
1994 -18,184 3,860
1993 -13,658 3,841
1992 -4,559 3,822
1991 25,301 3,801
1990 69,605 3,719
1989 122,756 3,576
1988 126,817 3,544
1987 128,517 3,440
1986 134,737 3,180
1985 111,392 3,242
1984 117,731 3,163
1983 87,986 3,100
1982 119,121 3,047
1981 156,472 3,015
1980 168,776 2,965
1979 194,397 2,893
1978 204,148 2,800
1977 215,385 2,705
1976 213,361 2,608
1975 219,324 2,515
1974 235,530 2,422
1973 175,020 2,329
1972 198,316 2,232
1971 206,662 2,127
1970 234,905 1,980
1969 264,120 1,862
1968 338,577 1,767
1967 347,709 1,693
1966 115,293 1,642
1965 114,190 1,611
1964 134,326 1,600
1963 139,104 1,609
1962 130,736 1,625
1961 163,286 1,657
1960 191,431 1,547

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

GeoRank.org/birth-rate/romania/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 -0.47% in Romania and +2.26% in Sao Tome and Principe.

For the past 10 years, the annual natural population change has been -0.4% in Romania and +2.4% in Sao Tome and Principe.

Birth rate in Romania vs Sao Tome and Principe by year

Romania
Sao Tome and Principe

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Romania Sao Tome
2023 8 28.2
2022 9.4 28.3
2021 10.1 28.5
2020 10.3 28.6
2019 10.3 29.2
2018 10.4 29.8
2017 10.8 30.6
2016 10.4 31.7
2015 10.2 33
2014 10 34.3
2013 9.4 35.4
2012 10 36.4
2011 9.7 36.8
2010 10.5 37.3
2009 10.9 37.9
2008 10.8 38.5
2007 10.3 38.9
2006 10.4 38.9
2005 10.4 39
2004 10.1 39.2
2003 9.8 39.6
2002 9.7 39.8
2001 10 40
2000 10.4 39.7
1999 10.4 39.4
1998 10.5 39.2
1997 10.5 39.2
1996 10.2 39.3
1995 10.4 39.5
1994 10.9 39.4
1993 11 39.8
1992 11.4 40.2
1991 12 40.7
1990 13.6 40.7
1989 16 40.9
1988 16.5 40.9
1987 16.7 41
1986 16.5 41
1985 15.8 41
1984 15.5 41.1
1983 14.3 41.2
1982 15.3 41.3
1981 17 41.5
1980 18 41.6
1979 18.6 41.6
1978 19 41.4
1977 19.5 41.3
1976 19.4 41.1
1975 19.6 40.9
1974 20.3 40.6
1973 18.2 40.3
1972 18.8 39.9
1971 19.6 39.5
1970 21.1 38.8
1969 23.3 38.2
1968 26.6 37.8
1967 27 37.7
1966 14.2 38
1965 14.6 38.6
1964 15.2 39.7
1963 15.7 41.1
1962 16.2 42.7
1961 17.5 44.6
1960 19.1 44.6

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

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

The latest reported birth rate per 1,000 people in 2023 was 8 in Romania and 28.2 in Sao Tome and Principe, compared with 19.1 and 44.6, respectively, in 1960.

Birth rate data compared

Romania Sao Tome
Fertility rate 1.71 3.64
Fertility rate rank 119/196 41/196
Birth rate 8 28.2
Birth rate rank 177/196 39/196
Population change due to births and deaths -89,587 +5,221
Natural population change rank 188/196 126/196
Natural population change rate -0.47% +2.26%
Population growth -0.05% +2.02%
Population growth rank 169/197 49/197
Age at first childbirth 27.1 years 19.4 years
Average age at childbearing 28.5 years 28.4 years
Annual births per 1,000 women ages 15-19 30.4 82.5
Annual births per 1,000 women ages 20-29 85.8 169.9
Annual births per 1,000 women ages 30+ 11 47.4
Female of reproductive age (15-49), share of population 21.4% 25.2%
Any modern method of contraceptive prevalence among married women ages 15-49 50.5% 46%
Share of births attended by skilled health staff 93% 96.8%
Maternal mortality per live birth 0.01% 0.08%
Neonatal mortality rate (before reaching 28 days of age) 0.33% 0.68%
Infant mortality rate (before reaching 1 year of age) 0.54% 0.94%
Mortality rate before reaching 5 years of age 0.66% 1.39%
Life expectancy 76.4 years 70.3 years

Children 0-14 years as share of population

Romania
Factual

UN forecast
Sao Tome and Principe
Factual

UN forecast
1x
Year Young
Romania Sao Tome
2100 12.8% 19.5%
2099 12.8% 19.6%
2098 12.8% 19.8%
2097 12.9% 19.9%
2096 12.9% 20%
2095 13% 20.2%
2094 13.1% 20.3%
2093 13.1% 20.4%
2092 13.2% 20.6%
2091 13.2% 20.7%
2090 13.3% 20.9%
2089 13.4% 21.1%
2088 13.4% 21.2%
2087 13.5% 21.4%
2086 13.5% 21.6%
2085 13.5% 21.8%
2084 13.6% 22%
2083 13.6% 22.2%
2082 13.6% 22.4%
2081 13.6% 22.6%
2080 13.6% 22.9%
2079 13.6% 23.1%
2078 13.6% 23.3%
2077 13.6% 23.5%
2076 13.6% 23.7%
2075 13.6% 24%
2074 13.6% 24.2%
2073 13.6% 24.4%
2072 13.6% 24.6%
2071 13.6% 24.8%
2070 13.6% 25%
2069 13.6% 25.2%
2068 13.6% 25.4%
2067 13.6% 25.6%
2066 13.7% 25.9%
2065 13.7% 26.1%
2064 13.8% 26.3%
2063 13.8% 26.5%
2062 13.9% 26.8%
2061 13.9% 27%
2060 14% 27.3%
2059 14.1% 27.5%
2058 14.1% 27.8%
2057 14.2% 28.1%
2056 14.3% 28.4%
2055 14.3% 28.7%
2054 14.4% 29%
2053 14.4% 29.4%
2052 14.4% 29.7%
2051 14.4% 30.1%
2050 14.4% 30.4%
2049 14.4% 30.8%
2048 14.4% 31.1%
2047 14.4% 31.5%
2046 14.4% 31.8%
2045 14.3% 32.1%
2044 14.3% 32.5%
2043 14.3% 32.8%
2042 14.3% 33.1%
2041 14.2% 33.4%
2040 14.2% 33.6%
2039 14.2% 33.9%
2038 14.3% 34.1%
2037 14.3% 34.4%
2036 14.3% 34.6%
2035 14.4% 34.7%
2034 14.5% 34.9%
2033 14.6% 35.1%
2032 14.8% 35.3%
2031 15% 35.5%
2030 15.1% 35.8%
2029 15.2% 36.1%
2028 15.3% 36.6%
2027 15.4% 37%
2026 15.5% 37.3%
2025 15.6% 37.6%
2024 15.7% 37.8%
2023 15.9% 38.3%
2022 16% 38.8%
2021 16.1% 39.4%
2020 16.1% 39.9%
2019 16% 40.5%
2018 15.9% 40.9%
2017 15.8% 41.4%
2016 15.7% 41.7%
2015 15.7% 41.9%
2014 15.7% 42%
2013 15.7% 42%
2012 15.7% 42%
2011 15.8% 42%
2010 15.7% 42.1%
2009 15.7% 42.1%
2008 15.7% 42.1%
2007 15.7% 42%
2006 15.8% 42%
2005 16% 42%
2004 16.4% 42.1%
2003 16.9% 42.2%
2002 17.5% 42.3%
2001 18.1% 42.5%
2000 18.6% 42.8%
1999 19.1% 43.4%
1998 19.3% 43.9%
1997 19.6% 44.3%
1996 20% 44.7%
1995 20.5% 44.9%
1994 21% 45.1%
1993 21.6% 45.2%
1992 22.2% 45.2%
1991 22.8% 45.1%
1990 23.3% 45.1%
1989 23.7% 45%
1988 23.9% 45%
1987 24% 44.9%
1986 24.3% 44.7%
1985 24.6% 44.5%
1984 25.1% 44.4%
1983 25.9% 44.5%
1982 26.8% 44.5%
1981 27.1% 44.7%
1980 26.8% 44.9%
1979 26.5% 45.1%
1978 26.3% 45.2%
1977 26% 45.3%
1976 25.7% 45.4%
1975 25.3% 45.5%
1974 25.1% 45.6%
1973 24.9% 45.7%
1972 24.9% 45.9%
1971 24.9% 46.1%
1970 25.1% 46.2%
1969 25.1% 45.8%
1968 25.1% 44.9%
1967 25% 44%
1966 25.2% 42.9%
1965 26% 41.6%
1964 26.7% 40.2%
1963 27.3% 38.5%
1962 27.7% 36.6%
1961 28% 34.3%
1960 28.1% 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/romania/sao-tome-and-principe | CC BY

Children aged 0-14 make up 15.7% of the population in Romania and 37.8% in Sao Tome and Principe in 2024, compared to 23.3% and 45.1% respectively in 1990.

Demographics of Romania 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/romania/sao-tome-and-principe | CC BY

Maternal mortality chart: Romania vs Sao Tome and Principe

Romania
Sao Tome and Principe
1x
Year Maternal mortality per 100K births
Romania Sao Tome
2023 12 75
2022 13 82
2021 20 98
2020 16 92
2019 14 95
2018 15 100
2017 17 110
2016 17 119
2015 18 128
2014 18 138
2013 18 150
2012 19 158
2011 20 164
2010 23 170
2009 25 172
2008 25 174
2007 25 174
2006 27 177
2005 30 181
2004 32 177
2003 35 178
2002 38 179
2001 41 178
2000 45 180
1999 51 179
1998 58 175
1997 66 173
1996 72 171
1995 75 172
1994 80 168
1993 87 166
1992 95 164
1991 104 166
1990 118 164
1989 143 167
1988 159 157
1987 173 161
1986 180 175
1985 184 159

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

GeoRank.org/birth-rate/romania/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 12 deaths per 100,000 live births in Romania, compared to 75 deaths in Sao Tome and Principe.

Under-five mortality rates

Romania
Sao Tome and Principe

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Romania Sao Tome
2023 0.66% 1.39%
2022 0.66% 1.46%
2021 0.65% 1.53%
2020 0.66% 1.6%
2019 0.68% 1.7%
2018 0.73% 1.81%
2017 0.79% 1.95%
2016 0.85% 2.11%
2015 0.92% 2.31%
2014 0.99% 2.54%
2013 1.05% 2.77%
2012 1.12% 3.04%
2011 1.18% 3.33%
2010 1.24% 3.63%
2009 1.31% 3.95%
2008 1.4% 4.3%
2007 1.51% 4.68%
2006 1.66% 5.11%
2005 1.82% 5.56%
2004 1.94% 6.05%
2003 1.99% 6.57%
2002 2.01% 7.1%
2001 2.06% 7.66%
2000 2.16% 8.21%
1999 2.29% 8.76%
1998 2.44% 9.26%
1997 2.58% 9.73%
1996 2.68% 10.1%
1995 2.73% 10.4%
1994 2.76% 10.7%
1993 2.79% 10.8%
1992 2.84% 10.9%
1991 2.97% 10.9%
1990 3.14% 10.8%
1989 3.31% 10.7%
1988 3.43% 10.6%
1987 3.45% 10.4%
1986 3.33% 11.4%
1985 3.16% 9.99%
1984 3.08% 9.77%
1983 3.14% 9.56%
1982 3.28% 9.37%
1981 3.44% 9.21%
1980 3.57% 9.1%
1979 3.68% 9.02%
1978 3.76% 8.96%
1977 3.86% 8.93%
1976 4.05% 8.89%
1975 4.27% 8.85%
1974 4.43% 8.79%
1973 4.49% 8.73%
1972 4.64% 8.67%
1971 5.06% 8.63%
1970 5.69% 8.64%
1969 6.23% 8.71%
1968 6.44% 8.85%
1967 6.27% 9.04%
1966 5.83% 9.29%
1965 5.44% 9.56%
1964 5.45% -
1963 6.03% -
1962 6.98% -
1961 7.98% -
1960 8.82% -

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

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

The chance that a newborn baby will die before reaching age five is 0.66% in Romania 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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