Skip to content

Fertility & birth rates in Cambodia and Sao Tome and Principe

Updated on by Georank team

Cambodia has an annual birth rate of 20.8 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 2.58 in Cambodia and 3.64 in Sao Tome and Principe — 41.3% difference.

1960 vs 2023, the fertility rate has decreased by 59.1% in Cambodia and by 41.6% in Sao Tome and Principe — in 1960, it was 6.31 and 6.24, respectively.

  • Cambodia is ranked 71/196 by birth rate compared to 39/196 for Sao Tome and Principe.
  • The mean age for first-time mothers is 23.3 years in Cambodia, compared to 19.4 years in Sao Tome and Principe.
  • The mean age at childbearing (for all the births, not just the first) is 27.8 in Cambodia — 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 46.9 in Cambodia vs 86.2 in Sao Tome and Principe.
  • In Cambodia, 26.4% of the population is composed of women of reproductive age (15-49), compared to 25.2% in Sao Tome and Principe.

Fertility rate in Cambodia vs Sao Tome and Principe by year

Cambodia
Sao Tome and Principe
1x
Year Fertility rate
Cambodia Sao Tome
2023 2.58 3.64
2022 2.62 3.7
2021 2.66 3.76
2020 2.7 3.83
2019 2.73 3.9
2018 2.72 3.98
2017 2.72 4.07
2016 2.73 4.2
2015 2.73 4.35
2014 2.73 4.49
2013 2.74 4.58
2012 2.75 4.66
2011 2.78 4.72
2010 2.86 4.77
2009 2.97 4.84
2008 3.05 4.91
2007 3.13 4.96
2006 3.18 4.93
2005 3.24 4.94
2004 3.31 4.96
2003 3.43 5.01
2002 3.57 5.06
2001 3.69 5.1
2000 3.79 5.16
1999 3.93 5.23
1998 4.13 5.3
1997 4.39 5.4
1996 4.87 5.47
1995 5.08 5.55
1994 5.28 5.56
1993 5.43 5.64
1992 5.49 5.7
1991 5.59 5.77
1990 5.64 5.83
1989 5.68 5.88
1988 5.94 5.94
1987 6.1 5.99
1986 6.23 6.05
1985 6.31 6.1
1984 6.34 6.16
1983 6.3 6.22
1982 6.19 6.28
1981 6.04 6.33
1980 5.77 6.39
1979 4.56 6.43
1978 3.34 6.47
1977 2.72 6.5
1976 3.41 6.52
1975 4.1 6.53
1974 4.8 6.53
1973 5.56 6.53
1972 5.94 6.51
1971 6.01 6.49
1970 6.07 6.47
1969 6.12 6.44
1968 6.17 6.42
1967 6.2 6.39
1966 6.24 6.37
1965 6.27 6.35
1964 6.29 6.33
1963 6.29 6.31
1962 6.3 6.28
1961 6.3 6.26
1960 6.31 6.24

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

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

According to the latest available data on birth rates, the fertility rate in Cambodia was 2.58 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 Cambodia vs Sao Tome and Principe population clock for a dynamic visualization of the changing population.

Natural population change by year

Cambodia
Sao Tome and Principe
1x
Year Natural population change
Cambodia Sao Tome
2023 250,242 5,221
2022 257,269 5,102
2021 255,939 4,954
2020 268,745 4,874
2019 276,870 4,932
2018 280,671 4,957
2017 282,698 5,007
2016 284,130 5,125
2015 284,390 5,269
2014 283,193 5,381
2013 281,013 5,449
2012 276,649 5,501
2011 272,161 5,445
2010 272,266 5,391
2009 274,700 5,349
2008 272,132 5,297
2007 270,745 5,226
2006 263,697 5,057
2005 256,756 4,897
2004 251,650 4,810
2003 251,884 4,702
2002 251,860 4,591
2001 250,726 4,471
2000 246,330 4,334
1999 245,425 4,221
1998 251,076 4,120
1997 252,351 4,041
1996 274,147 3,993
1995 280,168 3,948
1994 286,728 3,860
1993 282,221 3,841
1992 260,673 3,822
1991 257,709 3,801
1990 249,776 3,719
1989 239,211 3,576
1988 243,203 3,544
1987 235,064 3,440
1986 221,684 3,180
1985 214,101 3,242
1984 207,700 3,163
1983 192,849 3,100
1982 180,300 3,047
1981 166,578 3,015
1980 159,157 2,965
1979 78,143 2,893
1978 -357,478 2,800
1977 -416,117 2,705
1976 -408,505 2,608
1975 -383,806 2,515
1974 73,001 2,422
1973 101,304 2,329
1972 113,190 2,232
1971 113,813 2,127
1970 122,832 1,980
1969 156,777 1,862
1968 153,444 1,767
1967 150,046 1,693
1966 147,583 1,642
1965 144,460 1,611
1964 141,216 1,600
1963 137,562 1,609
1962 132,861 1,625
1961 128,259 1,657
1960 124,237 1,547

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

GeoRank.org/birth-rate/cambodia/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 +1.44% in Cambodia and +2.26% in Sao Tome and Principe.

For the past 10 years, the annual natural population change has been +1.67% in Cambodia and +2.4% in Sao Tome and Principe.

Birth rate in Cambodia vs Sao Tome and Principe by year

Cambodia
Sao Tome and Principe

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Cambodia Sao Tome
2023 20.8 28.2
2022 21.3 28.3
2021 21.9 28.5
2020 22.4 28.6
2019 23 29.2
2018 23.4 29.8
2017 23.7 30.6
2016 24 31.7
2015 24.2 33
2014 24.4 34.3
2013 24.6 35.4
2012 24.6 36.4
2011 24.6 36.8
2010 25 37.3
2009 25.6 37.9
2008 25.9 38.5
2007 26.2 38.9
2006 26.1 38.9
2005 26.1 39
2004 26.3 39.2
2003 26.9 39.6
2002 27.5 39.8
2001 28.1 40
2000 28.5 39.7
1999 29.1 39.4
1998 30.4 39.2
1997 31.7 39.2
1996 35.8 39.3
1995 38.8 39.5
1994 42.3 39.4
1993 44.4 39.8
1992 44 40.2
1991 45.8 40.7
1990 46.4 40.7
1989 46.7 40.9
1988 48.9 40.9
1987 49.5 41
1986 50.2 41
1985 50.9 41
1984 51.4 41.1
1983 50.3 41.2
1982 49.6 41.3
1981 48.2 41.5
1980 47.2 41.6
1979 34.7 41.6
1978 25.3 41.4
1977 19.6 41.3
1976 24 41.1
1975 28.3 40.9
1974 32.5 40.6
1973 37.4 40.3
1972 39.7 39.9
1971 40.3 39.5
1970 42 38.8
1969 41.7 38.2
1968 41.9 37.8
1967 42.2 37.7
1966 42.5 38
1965 42.9 38.6
1964 43.2 39.7
1963 43.4 41.1
1962 43.6 42.7
1961 43.7 44.6
1960 43.9 44.6

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

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

The latest reported birth rate per 1,000 people in 2023 was 20.8 in Cambodia and 28.2 in Sao Tome and Principe, compared with 43.9 and 44.6, respectively, in 1960.

Birth rate data compared

Cambodia Sao Tome
Fertility rate 2.58 3.64
Fertility rate rank 73/196 41/196
Birth rate 20.8 28.2
Birth rate rank 71/196 39/196
Population change due to births and deaths +250,242 +5,221
Natural population change rank 55/196 126/196
Natural population change rate +1.44% +2.26%
Population growth +1.23% +2.02%
Population growth rank 88/197 49/197
Age at first childbirth 23.3 years 19.4 years
Average age at childbearing 27.8 years 28.4 years
Annual births per 1,000 women ages 15-19 47.8 82.5
Annual births per 1,000 women ages 20-29 140.1 169.9
Annual births per 1,000 women ages 30+ 27.3 47.4
Female of reproductive age (15-49), share of population 26.4% 25.2%
Any modern method of contraceptive prevalence among married women ages 15-49 44.7% 46%
Share of births attended by skilled health staff 98.7% 96.8%
Maternal mortality per live birth 0.14% 0.08%
Neonatal mortality rate (before reaching 28 days of age) 1.18% 0.68%
Infant mortality rate (before reaching 1 year of age) 2.03% 0.94%
Mortality rate before reaching 5 years of age 2.29% 1.39%
Life expectancy 71.1 years 70.3 years

Children 0-14 years as share of population

Cambodia
Factual

UN forecast
Sao Tome and Principe
Factual

UN forecast
1x
Year Young
Cambodia Sao Tome
2100 16.3% 19.5%
2099 16.3% 19.6%
2098 16.4% 19.8%
2097 16.5% 19.9%
2096 16.6% 20%
2095 16.7% 20.2%
2094 16.7% 20.3%
2093 16.8% 20.4%
2092 16.9% 20.6%
2091 17% 20.7%
2090 17.1% 20.9%
2089 17.2% 21.1%
2088 17.3% 21.2%
2087 17.4% 21.4%
2086 17.5% 21.6%
2085 17.6% 21.8%
2084 17.7% 22%
2083 17.8% 22.2%
2082 18% 22.4%
2081 18.1% 22.6%
2080 18.2% 22.9%
2079 18.3% 23.1%
2078 18.4% 23.3%
2077 18.5% 23.5%
2076 18.6% 23.7%
2075 18.7% 24%
2074 18.8% 24.2%
2073 18.9% 24.4%
2072 19% 24.6%
2071 19.1% 24.8%
2070 19.2% 25%
2069 19.3% 25.2%
2068 19.5% 25.4%
2067 19.6% 25.6%
2066 19.8% 25.9%
2065 19.9% 26.1%
2064 20.1% 26.3%
2063 20.3% 26.5%
2062 20.5% 26.8%
2061 20.7% 27%
2060 20.9% 27.3%
2059 21.1% 27.5%
2058 21.3% 27.8%
2057 21.5% 28.1%
2056 21.7% 28.4%
2055 21.9% 28.7%
2054 22.1% 29%
2053 22.2% 29.4%
2052 22.4% 29.7%
2051 22.6% 30.1%
2050 22.8% 30.4%
2049 23% 30.8%
2048 23.1% 31.1%
2047 23.3% 31.5%
2046 23.5% 31.8%
2045 23.7% 32.1%
2044 23.8% 32.5%
2043 24% 32.8%
2042 24.2% 33.1%
2041 24.5% 33.4%
2040 24.7% 33.6%
2039 24.9% 33.9%
2038 25.2% 34.1%
2037 25.5% 34.4%
2036 25.9% 34.6%
2035 26.3% 34.7%
2034 26.7% 34.9%
2033 27.1% 35.1%
2032 27.4% 35.3%
2031 27.8% 35.5%
2030 28.2% 35.8%
2029 28.5% 36.1%
2028 28.8% 36.6%
2027 29.1% 37%
2026 29.4% 37.3%
2025 29.6% 37.6%
2024 29.8% 37.8%
2023 30.1% 38.3%
2022 30.5% 38.8%
2021 30.8% 39.4%
2020 31.1% 39.9%
2019 31.3% 40.5%
2018 31.5% 40.9%
2017 31.7% 41.4%
2016 31.8% 41.7%
2015 31.9% 41.9%
2014 32% 42%
2013 32.2% 42%
2012 32.4% 42%
2011 32.8% 42%
2010 33.3% 42.1%
2009 33.9% 42.1%
2008 34.7% 42.1%
2007 35.6% 42%
2006 36.6% 42%
2005 37.6% 42%
2004 38.5% 42.1%
2003 39.5% 42.2%
2002 40.5% 42.3%
2001 41.5% 42.5%
2000 42.5% 42.8%
1999 43.6% 43.4%
1998 44.5% 43.9%
1997 45.4% 44.3%
1996 46.2% 44.7%
1995 46.4% 44.9%
1994 46% 45.1%
1993 45.3% 45.2%
1992 45% 45.2%
1991 44.5% 45.1%
1990 43.7% 45.1%
1989 43.2% 45%
1988 42.8% 45%
1987 42.5% 44.9%
1986 42.5% 44.7%
1985 42.5% 44.5%
1984 42.4% 44.4%
1983 42.5% 44.5%
1982 42.6% 44.5%
1981 42.7% 44.7%
1980 42.5% 44.9%
1979 43% 45.1%
1978 43.8% 45.2%
1977 44.2% 45.3%
1976 44.7% 45.4%
1975 44.8% 45.5%
1974 44.9% 45.6%
1973 45.2% 45.7%
1972 45.2% 45.9%
1971 45% 46.1%
1970 44.4% 46.2%
1969 43.9% 45.8%
1968 44% 44.9%
1967 44% 44%
1966 44.1% 42.9%
1965 44.1% 41.6%
1964 44.1% 40.2%
1963 44% 38.5%
1962 43.9% 36.6%
1961 43.8% 34.3%
1960 43.7% 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/cambodia/sao-tome-and-principe | CC BY

Children aged 0-14 make up 29.8% of the population in Cambodia and 37.8% in Sao Tome and Principe in 2024, compared to 43.7% and 45.1% respectively in 1990.

Demographics of Cambodia 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/cambodia/sao-tome-and-principe | CC BY

Maternal mortality chart: Cambodia vs Sao Tome and Principe

Cambodia
Sao Tome and Principe
1x
Year Maternal mortality per 100K births
Cambodia Sao Tome
2023 137 75
2022 159 82
2021 189 98
2020 164 92
2019 149 95
2018 151 100
2017 155 110
2016 159 119
2015 166 128
2014 172 138
2013 182 150
2012 197 158
2011 214 164
2010 234 170
2009 251 172
2008 272 174
2007 290 174
2006 303 177
2005 323 181
2004 344 177
2003 366 178
2002 399 179
2001 437 178
2000 476 180
1999 517 179
1998 557 175
1997 580 173
1996 622 171
1995 642 172
1994 665 168
1993 680 166
1992 667 164
1991 681 166
1990 681 164
1989 702 167
1988 742 157
1987 772 161
1986 824 175
1985 874 159

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

GeoRank.org/birth-rate/cambodia/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 137 deaths per 100,000 live births in Cambodia, compared to 75 deaths in Sao Tome and Principe.

Under-five mortality rates

Cambodia
Sao Tome and Principe

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Cambodia Sao Tome
2023 2.29% 1.39%
2022 2.38% 1.46%
2021 2.47% 1.53%
2020 2.56% 1.6%
2019 2.67% 1.7%
2018 2.77% 1.81%
2017 2.89% 1.95%
2016 3.02% 2.11%
2015 3.16% 2.31%
2014 3.33% 2.54%
2013 3.53% 2.77%
2012 3.77% 3.04%
2011 4.05% 3.33%
2010 4.37% 3.63%
2009 4.74% 3.95%
2008 5.13% 4.3%
2007 5.54% 4.68%
2006 5.98% 5.11%
2005 6.48% 5.56%
2004 7.08% 6.05%
2003 7.8% 6.57%
2002 8.67% 7.1%
2001 9.65% 7.66%
2000 10.6% 8.21%
1999 11.3% 8.76%
1998 11.7% 9.26%
1997 11.9% 9.73%
1996 12% 10.1%
1995 12% 10.4%
1994 11.9% 10.7%
1993 11.7% 10.8%
1992 11.7% 10.9%
1991 11.6% 10.9%
1990 11.6% 10.8%
1989 11.6% 10.7%
1988 11.6% 10.6%
1987 11.7% 10.4%
1986 11.8% 11.4%
1985 12% 9.99%
1984 12.4% 9.77%
1983 13% 9.56%
1982 14.1% 9.37%
1981 15.9% 9.21%
1980 18.1% 9.1%
1979 20.7% 9.02%
1978 48.5% 8.96%
1977 52.5% 8.93%
1976 54.1% 8.89%
1975 52.5% 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/cambodia/sao-tome-and-principe | CC BY

The chance that a newborn baby will die before reaching age five is 2.29% in Cambodia and 1.39% in Sao Tome and Principe. Above is a chart with historical data on under-five mortality rates.

Compare countries by 7 more topics

Help us show the world through your eyes

Share a photo of your city and help others discover what it looks like to live there. Your contribution makes our data come alive.

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)

Creative Commons Attribution (CC BY) — you’re free to copy, share, remix, adapt, and use even commercially as long as you give appropriate credit and clearly indicate if you made changes. Other sources may be subject to different license terms.