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Fertility & birth rates in Burundi and San Marino

Updated on by Georank team

Burundi has an annual birth rate of 33.7 births per 1,000 people, compared to 5.6 for San Marino. The average number of children a woman is expected to have during her lifetime — the fertility rate, is 4.88 in Burundi and 1.15 in San Marino — 76.4% difference.

1960 vs 2023, the fertility rate has decreased by 30.3% in Burundi and by 52.7% in San Marino — in 1960, it was 7 and 2.43, respectively.

  • Burundi is ranked 17/196 by birth rate compared to 195/196 for San Marino.
  • The mean age for first-time mothers is 21.5 years in Burundi, compared to 31.5 years in San Marino.
  • The mean age at childbearing (for all the births, not just the first) is 30.1 in Burundi — it's 32.8 in San Marino.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 53.4 in Burundi vs 1.16 in San Marino.
  • In Burundi, 23.8% of the population is composed of women of reproductive age (15-49), compared to 19.7% in San Marino.

Fertility rate in Burundi vs San Marino by year

Burundi
San Marino
1x
Year Fertility rate
Burundi San Marino
2023 4.88 1.15
2022 4.98 1.14
2021 5.08 1.13
2020 5.18 1.11
2019 5.27 1.1
2018 5.38 1.08
2017 5.48 1.05
2016 5.59 1.13
2015 5.7 1.2
2014 5.79 1.26
2013 5.89 1.48
2012 5.99 1.29
2011 6.11 1.46
2010 6.26 1.46
2009 6.41 1.36
2008 6.52 1.52
2007 6.59 1.26
2006 6.66 1.24
2005 6.71 1.2
2004 6.75 1.3
2003 6.79 1.3
2002 6.82 1.43
2001 6.85 1.52
2000 6.87 1.4
1999 6.9 1.29
1998 6.96 1.26
1997 7.04 1.24
1996 7.12 1.21
1995 7.18 1.17
1994 7.23 1.14
1993 7.27 1.12
1992 7.3 1.15
1991 7.34 1.17
1990 7.37 1.16
1989 7.39 1.15
1988 7.38 1.14
1987 7.38 1.14
1986 7.32 1.15
1985 7.29 1.17
1984 7.3 1.2
1983 7.3 1.25
1982 7.31 1.3
1981 7.33 1.41
1980 7.35 1.53
1979 7.31 1.63
1978 7.26 1.77
1977 7.25 1.87
1976 7.25 1.95
1975 7.24 2.05
1974 7.22 2.13
1973 7.22 2.23
1972 7.21 2.29
1971 7.21 2.33
1970 7.21 2.32
1969 7.22 2.31
1968 7.18 2.3
1967 7.16 2.31
1966 7.14 2.33
1965 7.11 2.33
1964 7.09 2.37
1963 7.07 2.4
1962 7.04 2.43
1961 7.02 2.68
1960 7 2.43

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

GeoRank.org/birth-rate/burundi/san-marino | CC BY

According to the latest available data on birth rates, the fertility rate in Burundi was 4.88 children per woman in 2023, compared to 1.15 in San Marino in 2023. The replacement level is considered to be 2.1 children per woman.

Check Burundi vs San Marino population clock for a dynamic visualization of the changing population.

Natural population change by year

Burundi
San Marino
1x
Year Natural population change
Burundi San Marino
2023 368,917 -92
2022 363,786 -58
2021 359,844 -99
2020 361,654 -122
2019 357,672 -17
2018 351,704 -11
2017 353,879 -51
2016 358,393 10
2015 370,856 36
2014 367,797 46
2013 362,224 73
2012 354,068 54
2011 348,934 105
2010 341,808 126
2009 319,583 145
2008 300,750 159
2007 285,323 69
2006 269,874 75
2005 253,401 66
2004 234,891 121
2003 216,295 79
2002 201,892 112
2001 184,541 132
2000 173,867 107
1999 166,699 80
1998 154,010 74
1997 150,404 71
1996 158,920 63
1995 160,284 51
1994 112,968 43
1993 128,898 38
1992 156,420 42
1991 156,148 45
1990 156,617 41
1989 157,547 36
1988 145,234 34
1987 157,481 31
1986 156,170 40
1985 156,896 44
1984 154,366 46
1983 152,801 54
1982 147,090 61
1981 146,231 76
1980 127,746 90
1979 123,377 104
1978 114,884 121
1977 108,488 117
1976 104,396 126
1975 101,172 141
1974 95,486 153
1973 74,805 167
1972 30,532 173
1971 95,153 174
1970 92,476 173
1969 90,852 173
1968 88,765 171
1967 86,373 171
1966 83,651 173
1965 78,208 169
1964 77,528 163
1963 75,962 158
1962 74,710 155
1961 71,216 174
1960 70,032 139

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

GeoRank.org/birth-rate/burundi/san-marino | 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 +2.69% in Burundi and -0.27% in San Marino.

For the past 10 years, the annual natural population change has been +3% in Burundi and -0.1% in San Marino.

Birth rate in Burundi vs San Marino by year

Burundi
San Marino

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Burundi San Marino
2023 33.7 5.6
2022 34.3 6.1
2021 35.1 6.2
2020 35.9 6.4
2019 36.6 6.7
2018 37.2 6.8
2017 38.6 6.7
2016 40.1 7.9
2015 42.3 8.2
2014 42.9 9.1
2013 43.9 9.7
2012 44.8 8.7
2011 46 10
2010 47 10.3
2009 46.5 10.7
2008 46.7 11
2007 46.7 9.4
2006 46.6 10
2005 46.2 9.5
2004 45.3 10.4
2003 44.5 10.7
2002 44 11.9
2001 43 12.8
2000 42.7 12
1999 42.2 11.1
1998 41.4 11
1997 42.2 11
1996 44.8 10.8
1995 45 10.4
1994 37.5 10.2
1993 48.9 10
1992 45.7 10.2
1991 46.5 10.3
1990 46.9 10.1
1989 47.4 9.88
1988 47.9 9.73
1987 48 9.6
1986 48.4 9.48
1985 49.1 9.52
1984 49.3 9.63
1983 50.1 9.87
1982 50.1 10.2
1981 51.2 10.8
1980 48.4 11.5
1979 49.5 12.2
1978 48.5 13.1
1977 48.1 13
1976 48 14
1975 47.9 14.8
1974 47.1 15.4
1973 46.6 16.2
1972 48.8 16.5
1971 47.9 16.7
1970 47.7 17
1969 48 17.1
1968 47.6 17.1
1967 47.5 17.2
1966 47.1 17.5
1965 47.3 17.4
1964 46.4 17.4
1963 46.8 17.5
1962 47 17.7
1961 46.4 19.4
1960 46.9 17.5

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

GeoRank.org/birth-rate/burundi/san-marino | CC BY

The latest reported birth rate per 1,000 people in 2023 was 33.7 in Burundi and 5.6 in San Marino, compared with 46.9 and 17.5, respectively, in 1960.

Birth rate data compared

Burundi San Marino
Fertility rate 4.88 1.15
Fertility rate rank 8/196 188/196
Birth rate 33.7 5.6
Birth rate rank 17/196 195/196
Population change due to births and deaths +368,917 -92
Natural population change rank 46/196 159/196
Natural population change rate +2.69% -0.27%
Population growth +2.62% +0.35%
Population growth rank 24/197 145/197
Age at first childbirth 21.5 years 31.5 years
Average age at childbearing 30.1 years 32.8 years
Annual births per 1,000 women ages 15-19 51 0
Annual births per 1,000 women ages 20-29 209.9 34.4
Annual births per 1,000 women ages 30+ 86.9 11
Female of reproductive age (15-49), share of population 23.8% 19.7%
Any modern method of contraceptive prevalence among married women ages 15-49 22.9% n/a
Share of births attended by skilled health staff 76.5% n/a
Maternal mortality per live birth 0.39% 0.008%
Neonatal mortality rate (before reaching 28 days of age) 1.96% 0.06%
Infant mortality rate (before reaching 1 year of age) 3.15% 0.14%
Mortality rate before reaching 5 years of age 4.92% 0.14%
Life expectancy 64.1 years 86 years

Children 0-14 years as share of population

Burundi
Factual

UN forecast
San Marino
Factual

UN forecast
1x
Year Young
Burundi San Marino
2100 21.5% 11.9%
2099 21.7% 11.9%
2098 21.8% 11.9%
2097 21.9% 12%
2096 22.1% 12%
2095 22.2% 12%
2094 22.4% 12.1%
2093 22.6% 12.1%
2092 22.8% 12.2%
2091 22.9% 12.2%
2090 23.1% 12.3%
2089 23.3% 12.3%
2088 23.6% 12.3%
2087 23.8% 12.4%
2086 24% 12.4%
2085 24.2% 12.4%
2084 24.4% 12.4%
2083 24.6% 12.4%
2082 24.8% 12.4%
2081 25% 12.3%
2080 25.3% 12.3%
2079 25.5% 12.2%
2078 25.7% 12.2%
2077 25.9% 12.1%
2076 26% 12%
2075 26.2% 11.9%
2074 26.4% 11.8%
2073 26.6% 11.7%
2072 26.8% 11.6%
2071 27% 11.5%
2070 27.2% 11.5%
2069 27.4% 11.4%
2068 27.6% 11.4%
2067 27.9% 11.3%
2066 28.1% 11.3%
2065 28.4% 11.3%
2064 28.7% 11.3%
2063 29% 11.3%
2062 29.3% 11.4%
2061 29.6% 11.4%
2060 30% 11.5%
2059 30.4% 11.5%
2058 30.8% 11.6%
2057 31.2% 11.6%
2056 31.6% 11.7%
2055 32% 11.7%
2054 32.4% 11.7%
2053 32.8% 11.8%
2052 33.2% 11.7%
2051 33.5% 11.7%
2050 33.9% 11.7%
2049 34.3% 11.6%
2048 34.6% 11.5%
2047 34.9% 11.4%
2046 35.2% 11.2%
2045 35.5% 11.1%
2044 35.8% 11%
2043 36% 10.8%
2042 36.3% 10.6%
2041 36.5% 10.5%
2040 36.7% 10.3%
2039 37% 10.2%
2038 37.3% 10%
2037 37.6% 9.93%
2036 37.9% 9.9%
2035 38.3% 9.89%
2034 38.7% 9.93%
2033 39% 9.99%
2032 39.5% 10%
2031 40% 10.2%
2030 40.6% 10.4%
2029 41.3% 10.6%
2028 42.1% 11%
2027 42.8% 11.2%
2026 43.6% 11.6%
2025 44.4% 12.1%
2024 44.7% 12.3%
2023 45.4% 12.7%
2022 46% 13%
2021 46.5% 13.2%
2020 47% 13.4%
2019 47.3% 13.7%
2018 47.8% 14%
2017 47.9% 14.4%
2016 47.7% 14.7%
2015 47% 14.9%
2014 46.4% 15.1%
2013 46.1% 15.1%
2012 45.7% 15.2%
2011 45.4% 15.3%
2010 45.1% 15.4%
2009 45% 15.4%
2008 45.2% 15.4%
2007 45.4% 15.3%
2006 45.6% 15.3%
2005 45.8% 15.3%
2004 46.2% 15.2%
2003 46.7% 15.2%
2002 47.2% 15.1%
2001 47.7% 15%
2000 48.3% 14.9%
1999 48.7% 14.9%
1998 49.4% 14.9%
1997 49.9% 14.9%
1996 49.6% 14.9%
1995 49.1% 14.9%
1994 51.1% 15%
1993 51% 15.2%
1992 48.9% 15.4%
1991 48.9% 15.8%
1990 48.7% 16.1%
1989 48.4% 16.5%
1988 48% 17%
1987 47.6% 17.5%
1986 47.3% 18%
1985 46.8% 18.6%
1984 46.3% 19.1%
1983 45.9% 19.7%
1982 45.6% 20.3%
1981 45.2% 21%
1980 45.4% 21.7%
1979 45.8% 22.4%
1978 45.7% 23%
1977 45.8% 23.9%
1976 45.8% 24.7%
1975 45.7% 25.1%
1974 45.8% 25.4%
1973 46% 25.7%
1972 45.5% 25.9%
1971 44.9% 26%
1970 44.9% 25.9%
1969 44.9% 25.6%
1968 44.9% 25.3%
1967 45% 24.9%
1966 45.2% 24.5%
1965 45.4% 24.3%
1964 45.5% 24.5%
1963 45.5% 24.8%
1962 45.3% 25%
1961 45.2% 25%
1960 45.1% 25%

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/burundi/san-marino | CC BY

Children aged 0-14 make up 44.7% of the population in Burundi and 12.3% in San Marino in 2024, compared to 48.7% and 16.1% respectively in 1990.

Demographics of Burundi and San Marino compared.

Fertility rates around the globe

1x

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

GeoRank.org/birth-rate/burundi/san-marino | CC BY

Maternal mortality chart: Burundi vs San Marino

Burundi
San Marino
1x
Year Maternal mortality per 100K births
Burundi San Marino
2023 392 8
2022 412 22
2021 447 35
2020 441 46
2019 449 7
2018 464 7
2017 482 7
2016 501 7
2015 525 8
2014 533 8
2013 555 8
2012 575 8
2011 597 8
2010 614 8
2009 612 8
2008 635 8
2007 655 8
2006 670 12
2005 685 12
2004 687 13
2003 705 13
2002 743 14
2001 799 14
2000 860 14
1999 899 9
1998 969 9
1997 1,100 10
1996 1,236 10
1995 1,293 10
1994 1,215 10
1993 1,801 11
1992 1,464 11
1991 1,513 11
1990 1,515 11
1989 1,511 12
1988 1,519 12
1987 1,446 12
1986 1,441 12
1985 1,428 12

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

GeoRank.org/birth-rate/burundi/san-marino | CC BY

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 392 deaths per 100,000 live births in Burundi, compared to 8 deaths in San Marino.

Under-five mortality rates

Burundi
San Marino

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Burundi San Marino
2023 4.92% 0.14%
2022 5.08% 0.15%
2021 5.26% 0.15%
2020 5.46% 0.16%
2019 5.67% 0.17%
2018 5.9% 0.17%
2017 6.15% 0.18%
2016 6.44% 0.19%
2015 6.76% 0.2%
2014 7.13% 0.21%
2013 7.55% 0.23%
2012 8.02% 0.24%
2011 8.53% 0.25%
2010 9.08% 0.27%
2009 9.66% 0.28%
2008 10.3% 0.3%
2007 11% 0.32%
2006 11.7% 0.34%
2005 12.4% 0.37%
2004 13.1% 0.39%
2003 13.7% 0.42%
2002 14.3% 0.46%
2001 14.9% 0.5%
2000 15.4% 0.54%
1999 15.9% 0.58%
1998 16.3% 0.63%
1997 16.7% 0.69%
1996 17% 0.75%
1995 17.1% 0.81%
1994 17.2% 0.89%
1993 19.5% 0.97%
1992 17.2% 1.06%
1991 17.1% 1.16%
1990 17% 1.27%
1989 16.9% 1.39%
1988 16.8% 1.52%
1987 16.9% 1.66%
1986 17.2% 1.82%
1985 17.7% 1.99%
1984 18.4% -
1983 19.3% -
1982 20.3% -
1981 21.4% -
1980 22.4% -
1979 23.3% -
1978 24.1% -
1977 24.6% -
1976 25% -
1975 25.1% -
1974 25.2% -
1973 25.2% -
1972 31.9% -
1971 25.1% -
1970 25.1% -
1969 25% -
1968 24.9% -
1967 24.7% -
1966 24.5% -
1965 24.4% -
1964 24.2% -

Data sources: World Bank | Health (1964–2023, retrieved 2026-04-06).

GeoRank.org/birth-rate/burundi/san-marino | CC BY

The chance that a newborn baby will die before reaching age five is 4.92% in Burundi and 0.14% in San Marino. 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) (2022, retrieved 2026-03-10)
  4. Central Intelligence Agency (CIA) (2025, retrieved 2026-02-20)

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