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Fertility & birth rates in Mongolia and Saint Lucia

Updated on by Georank team

Mongolia has an annual birth rate of 19 births per 1,000 people, compared to 11.3 for Saint Lucia. The average number of children a woman is expected to have during her lifetime — the fertility rate, is 2.7 in Mongolia and 1.38 in Saint Lucia — 48.9% difference.

1960 vs 2023, the fertility rate has decreased by 60.4% in Mongolia and by 79.6% in Saint Lucia — in 1960, it was 6.82 and 6.77, respectively.

  • Mongolia is ranked 81/196 by birth rate compared to 123/196 for Saint Lucia.
  • The mean age at childbearing (for all the births, not just the first) is 29.3 in Mongolia — it's 28.9 in Saint Lucia.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 19.7 in Mongolia vs 27.8 in Saint Lucia.
  • In Mongolia, 24.2% of the population is composed of women of reproductive age (15-49), compared to 27.1% in Saint Lucia.

Fertility rate in Mongolia vs Saint Lucia by year

Mongolia
Saint Lucia
1x
Year Fertility rate
Mongolia Saint Lucia
2023 2.7 1.38
2022 2.7 1.39
2021 2.8 1.4
2020 2.9 1.41
2019 3 1.42
2018 2.9 1.44
2017 2.8 1.45
2016 3 1.46
2015 3 1.47
2014 3.1 1.49
2013 3 1.5
2012 2.7 1.5
2011 2.6 1.5
2010 2.4 1.67
2009 2.8 1.74
2008 2.6 1.7
2007 2.3 1.7
2006 2.1 1.77
2005 2 1.81
2004 2 1.86
2003 2 1.94
2002 2.1 2.03
2001 2.2 2.13
2000 2.2 2.21
1999 2.3 2.5
1998 2.3 2.4
1997 2.4 2.74
1996 2.5 2.71
1995 2.77 3.03
1994 2.7 3.03
1993 2.5 3
1992 3.5 3.11
1991 4 3.19
1990 4.5 3.24
1989 4.42 3.31
1988 4.65 3.44
1987 4.83 3.61
1986 5.03 3.8
1985 5.26 3.97
1984 5.45 4.02
1983 5.63 4.08
1982 5.8 4.17
1981 5.98 4.28
1980 6.21 4.41
1979 6.42 4.58
1978 6.62 4.83
1977 6.79 4.97
1976 6.93 5.16
1975 7.07 5.36
1974 7.17 5.57
1973 7.24 5.69
1972 7.28 5.81
1971 7.3 5.95
1970 7.31 6.1
1969 7.34 6.25
1968 7.37 6.39
1967 7.39 6.51
1966 7.41 6.61
1965 7.38 6.69
1964 7.33 6.76
1963 7.24 6.72
1962 7.1 6.82
1961 6.96 6.84
1960 6.82 6.77

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

GeoRank.org/birth-rate/mongolia/saint-lucia | CC BY

According to the latest available data on birth rates, the fertility rate in Mongolia was 2.7 children per woman in 2023, compared to 1.38 in Saint Lucia in 2023. The replacement level is considered to be 2.1 children per woman.

Check Mongolia vs Saint Lucia population clock for a dynamic visualization of the changing population.

Natural population change by year

Mongolia
Saint Lucia
1x
Year Natural population change
Mongolia Saint Lucia
2023 46,995 475
2022 47,730 530
2021 52,109 -15
2020 60,888 562
2019 61,433 609
2018 60,635 694
2017 57,940 724
2016 62,086 767
2015 64,473 841
2014 66,078 852
2013 62,618 892
2012 55,942 916
2011 50,711 934
2010 44,914 1,176
2009 48,876 1,349
2008 45,843 1,369
2007 39,636 1,422
2006 33,609 1,511
2005 29,290 1,553
2004 28,418 1,615
2003 28,827 1,694
2002 30,439 1,774
2001 32,052 1,860
2000 32,753 1,967
1999 32,283 2,389
1998 31,757 2,294
1997 32,403 2,709
1996 33,741 2,649
1995 34,473 3,019
1994 34,711 2,976
1993 36,924 2,899
1992 42,437 2,981
1991 47,884 3,009
1990 49,443 3,061
1989 51,420 3,146
1988 51,588 3,229
1987 51,140 3,351
1986 50,329 3,496
1985 49,944 3,591
1984 48,562 3,526
1983 46,919 3,443
1982 45,179 3,360
1981 43,588 3,306
1980 42,343 3,275
1979 41,568 3,301
1978 40,276 3,340
1977 38,995 3,240
1976 37,670 3,166
1975 36,490 3,126
1974 35,297 3,106
1973 33,993 3,033
1972 32,727 3,028
1971 31,536 3,046
1970 30,558 3,093
1969 29,781 3,143
1968 29,017 3,154
1967 28,178 3,113
1966 27,338 3,028
1965 26,364 3,042
1964 25,317 3,074
1963 24,142 3,048
1962 22,960 3,124
1961 21,873 3,173
1960 20,726 3,202

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

GeoRank.org/birth-rate/mongolia/saint-lucia | 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 +1.35% in Mongolia and +0.26% in Saint Lucia.

For the past 10 years, the annual natural population change has been +1.81% in Mongolia and +0.34% in Saint Lucia.

Birth rate in Mongolia vs Saint Lucia by year

Mongolia
Saint Lucia

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Mongolia Saint Lucia
2023 19 11.3
2022 19.5 11.4
2021 21.6 11.6
2020 23.4 11.7
2019 24.4 11.9
2018 24.5 12
2017 23.9 12.1
2016 25.9 12.2
2015 27.1 12.3
2014 28 12.4
2013 27.5 12.5
2012 26 12.4
2011 25.1 12.4
2010 23.1 13.8
2009 24.8 14.6
2008 23.9 14.6
2007 21.9 14.8
2006 20 15.3
2005 18.6 15.6
2004 18.4 16
2003 18.6 16.6
2002 19.4 17.3
2001 20.3 18
2000 20.8 18.8
1999 21.1 21.5
1998 21.4 20.9
1997 22.2 23.7
1996 23.3 23.5
1995 24 26.2
1994 24.5 26.2
1993 25.8 26
1992 28.8 27
1991 31.9 27.6
1990 34.1 28.3
1989 35.3 29
1988 36.4 29.8
1987 37.2 31.1
1986 37.7 32.4
1985 38.5 33.6
1984 38.7 33.4
1983 38.6 33.4
1982 38.5 33.5
1981 38.4 33.6
1980 38.4 34.2
1979 38.7 34.9
1978 38.9 35.6
1977 39 35.3
1976 39.1 35.4
1975 39.3 35.6
1974 39.5 36.1
1973 39.6 36.3
1972 39.8 36.7
1971 40 37.4
1970 40.4 38.5
1969 40.9 39.5
1968 41.6 40.2
1967 42.3 40.4
1966 43.1 40.1
1965 43.6 41
1964 44 42
1963 44.2 42.6
1962 44.1 44.3
1961 44.2 45.7
1960 44.1 47.1

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

GeoRank.org/birth-rate/mongolia/saint-lucia | CC BY

The latest reported birth rate per 1,000 people in 2023 was 19 in Mongolia and 11.3 in Saint Lucia, compared with 44.1 and 47.1, respectively, in 1960.

Birth rate data compared

Mongolia Saint Lucia
Fertility rate 2.7 1.38
Fertility rate rank 67/196 166/196
Birth rate 19 11.3
Birth rate rank 81/196 123/196
Population change due to births and deaths +46,995 +475
Natural population change rank 99/196 145/196
Natural population change rate +1.35% +0.26%
Population growth +1.25% +0.26%
Population growth rank 86/197 153/197
Age at first childbirth 20.5 years n/a
Average age at childbearing 29.3 years 28.9 years
Annual births per 1,000 women ages 15-19 19.1 25.4
Annual births per 1,000 women ages 20-29 133.8 63.7
Annual births per 1,000 women ages 30+ 32.1 16.3
Female of reproductive age (15-49), share of population 24.2% 27.1%
Any modern method of contraceptive prevalence among married women ages 15-49 45.2% 52.4%
Share of births attended by skilled health staff 99.3% 100%
Maternal mortality per live birth 0.04% 0.04%
Neonatal mortality rate (before reaching 28 days of age) 0.74% 1%
Infant mortality rate (before reaching 1 year of age) 1.14% 1.43%
Mortality rate before reaching 5 years of age 1.36% 1.55%
Life expectancy 72.5 years 73.2 years

Children 0-14 years as share of population

Mongolia
Factual

UN forecast
Saint Lucia
Factual

UN forecast
1x
Year Young
Mongolia Saint Lucia
2100 16.3% 12%
2099 16.4% 12%
2098 16.4% 12%
2097 16.5% 12%
2096 16.6% 12%
2095 16.7% 11.9%
2094 16.8% 11.9%
2093 16.9% 11.9%
2092 17% 11.9%
2091 17.2% 11.9%
2090 17.3% 11.8%
2089 17.4% 11.8%
2088 17.6% 11.8%
2087 17.7% 11.8%
2086 17.9% 11.8%
2085 18% 11.8%
2084 18.1% 11.8%
2083 18.2% 11.8%
2082 18.3% 11.8%
2081 18.4% 11.8%
2080 18.5% 11.8%
2079 18.6% 11.8%
2078 18.6% 11.8%
2077 18.7% 11.9%
2076 18.7% 11.9%
2075 18.7% 11.9%
2074 18.7% 12%
2073 18.8% 12%
2072 18.8% 12.1%
2071 18.9% 12.1%
2070 18.9% 12.1%
2069 19% 12.2%
2068 19.1% 12.2%
2067 19.3% 12.2%
2066 19.4% 12.3%
2065 19.6% 12.3%
2064 19.8% 12.3%
2063 20.1% 12.4%
2062 20.4% 12.4%
2061 20.7% 12.4%
2060 21% 12.4%
2059 21.3% 12.5%
2058 21.6% 12.5%
2057 21.9% 12.5%
2056 22.2% 12.6%
2055 22.5% 12.6%
2054 22.7% 12.7%
2053 23% 12.8%
2052 23.1% 12.9%
2051 23.3% 13%
2050 23.3% 13.1%
2049 23.4% 13.2%
2048 23.4% 13.3%
2047 23.3% 13.5%
2046 23.3% 13.6%
2045 23.2% 13.8%
2044 23.1% 14%
2043 23% 14.1%
2042 22.9% 14.3%
2041 22.8% 14.5%
2040 22.8% 14.7%
2039 22.9% 14.9%
2038 23% 15.1%
2037 23.3% 15.3%
2036 23.6% 15.5%
2035 24% 15.7%
2034 24.6% 15.8%
2033 25.2% 16%
2032 25.9% 16.2%
2031 26.8% 16.4%
2030 27.8% 16.5%
2029 28.8% 16.7%
2028 29.7% 16.9%
2027 30.5% 17%
2026 31.2% 17.1%
2025 31.9% 17.4%
2024 32.2% 17.5%
2023 32.6% 17.9%
2022 32.9% 18.2%
2021 32.9% 18.5%
2020 32.8% 18.7%
2019 32.3% 19.1%
2018 31.6% 19.5%
2017 30.9% 19.9%
2016 30.2% 20.3%
2015 29.5% 20.9%
2014 28.9% 21.5%
2013 28.5% 22.1%
2012 28.1% 22.7%
2011 28% 23.5%
2010 27.9% 24.3%
2009 27.9% 25.1%
2008 28.1% 25.9%
2007 28.5% 26.8%
2006 29.1% 27.6%
2005 29.9% 28.4%
2004 30.8% 29.2%
2003 31.8% 30%
2002 32.9% 30.7%
2001 34.1% 31.4%
2000 35.2% 32.4%
1999 36.2% 33.5%
1998 37% 34.7%
1997 37.8% 35.7%
1996 38.4% 36.2%
1995 39% 36.7%
1994 39.5% 37%
1993 40% 37.3%
1992 40.5% 37.7%
1991 41% 38.1%
1990 41.4% 38.9%
1989 41.7% 40.2%
1988 41.8% 41.7%
1987 42% 42.6%
1986 42.1% 42.8%
1985 42.3% 43.1%
1984 42.5% 43.3%
1983 42.7% 43.5%
1982 43% 43.9%
1981 43.3% 44.3%
1980 43.7% 44.8%
1979 44.1% 45.5%
1978 44.5% 46.6%
1977 44.8% 47.9%
1976 45.2% 48.9%
1975 45.4% 49.5%
1974 45.6% 49.9%
1973 45.8% 50.2%
1972 45.8% 50.4%
1971 45.8% 50.4%
1970 45.6% 50.2%
1969 45.4% 50%
1968 44.9% 49.8%
1967 44.2% 50%
1966 43.3% 50.4%
1965 42.4% 50.5%
1964 41.4% 50.1%
1963 40.4% 49.6%
1962 39.6% 48.9%
1961 38.8% 48.1%
1960 38.1% 47.1%

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/mongolia/saint-lucia | CC BY

Children aged 0-14 make up 32.2% of the population in Mongolia and 17.5% in Saint Lucia in 2024, compared to 41.4% and 38.9% respectively in 1990.

Demographics of Mongolia and Saint Lucia compared.

Fertility rates around the globe

1x

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

GeoRank.org/birth-rate/mongolia/saint-lucia | CC BY

Maternal mortality chart: Mongolia vs Saint Lucia

Mongolia
Saint Lucia
1x
Year Maternal mortality per 100K births
Mongolia Saint Lucia
2023 41 44
2022 41 48
2021 63 94
2020 47 43
2019 45 43
2018 45 41
2017 45 43
2016 48 46
2015 52 46
2014 56 49
2013 59 53
2012 63 55
2011 67 56
2010 71 56
2009 75 51
2008 77 55
2007 81 55
2006 90 53
2005 99 55
2004 108 54
2003 114 56
2002 120 62
2001 130 70
2000 144 83
1999 162 88
1998 174 89
1997 180 89
1996 178 72
1995 176 60
1994 178 60
1993 181 58
1992 199 58
1991 227 71
1990 276 72
1989 311 66
1988 335 71
1987 341 69
1986 346 57
1985 352 56

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

GeoRank.org/birth-rate/mongolia/saint-lucia | CC BY

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 41 deaths per 100,000 live births in Mongolia, compared to 44 deaths in Saint Lucia.

Under-five mortality rates

Mongolia
Saint Lucia

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Mongolia Saint Lucia
2023 1.36% 1.55%
2022 1.39% 1.58%
2021 1.43% 1.6%
2020 1.48% 1.63%
2019 1.56% 1.65%
2018 1.64% 1.67%
2017 1.74% 1.7%
2016 1.84% 1.72%
2015 1.94% 1.74%
2014 2.04% 1.75%
2013 2.15% 1.77%
2012 2.28% 1.78%
2011 2.44% 1.79%
2010 2.63% 1.8%
2009 2.85% 1.81%
2008 3.11% 1.82%
2007 3.39% 1.82%
2006 3.71% 1.82%
2005 4.07% 1.83%
2004 4.45% 1.83%
2003 4.87% 1.83%
2002 5.32% 1.83%
2001 5.8% 1.84%
2000 6.29% 1.85%
1999 6.78% 1.86%
1998 7.27% 1.87%
1997 7.74% 1.88%
1996 8.19% 1.9%
1995 8.6% 1.92%
1994 9% 1.95%
1993 9.39% 1.98%
1992 9.78% 2.01%
1991 10.2% 2.05%
1990 10.7% 2.09%
1989 11.1% 2.14%
1988 11.7% 2.2%
1987 12.2% 2.27%
1986 12.8% 2.35%
1985 13.4% 2.44%
1984 13.9% 2.55%
1983 14.4% 2.68%
1982 15% 2.83%
1981 15.5% 3%
1980 16.1% 3.2%
1979 16.7% 3.42%
1978 17.3% 3.68%
1977 - 3.97%
1976 - 4.3%
1975 - 4.67%
1974 - 5.08%
1973 - 5.53%
1972 - 6.02%
1971 - 6.54%
1970 - 7.1%
1969 - 7.7%
1968 - 8.32%
1967 - 8.96%
1966 - 9.62%
1965 - 10.3%
1964 - 11%
1963 - 11.6%
1962 - 12.3%
1961 - 12.9%
1960 - 13.4%

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

GeoRank.org/birth-rate/mongolia/saint-lucia | CC BY

The chance that a newborn baby will die before reaching age five is 1.36% in Mongolia and 1.55% in Saint Lucia. 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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