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Fertility & birth rates in San Marino and Slovenia

Updated on by Georank team

San Marino has an annual birth rate of 5.6 births per 1,000 people, compared to 8 for Slovenia. The average number of children a woman is expected to have during her lifetime — the fertility rate, is 1.15 in San Marino and 1.51 in Slovenia — 31.4% difference.

1960 vs 2023, the fertility rate has decreased by 52.7% in San Marino and by 30.9% in Slovenia — in 1960, it was 2.43 and 2.19, respectively.

  • San Marino is ranked 195/196 by birth rate compared to 178/196 for Slovenia.
  • The mean age for first-time mothers is 31.5 years in San Marino, compared to 29.1 years in Slovenia.
  • The mean age at childbearing (for all the births, not just the first) is 32.8 in San Marino — it's 30.6 in Slovenia.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 1.16 in San Marino vs 3.5 in Slovenia.
  • In San Marino, 19.7% of the population is composed of women of reproductive age (15-49), compared to 20% in Slovenia.

Fertility rate in San Marino vs Slovenia by year

San Marino
Slovenia
1x
Year Fertility rate
San Marino Slovenia
2023 1.15 1.51
2022 1.14 1.55
2021 1.13 1.64
2020 1.11 1.59
2019 1.1 1.61
2018 1.08 1.6
2017 1.05 1.62
2016 1.13 1.58
2015 1.2 1.57
2014 1.26 1.58
2013 1.48 1.55
2012 1.29 1.58
2011 1.46 1.56
2010 1.46 1.57
2009 1.36 1.53
2008 1.52 1.53
2007 1.26 1.38
2006 1.24 1.31
2005 1.2 1.26
2004 1.3 1.25
2003 1.3 1.2
2002 1.43 1.21
2001 1.52 1.21
2000 1.4 1.26
1999 1.29 1.21
1998 1.26 1.23
1997 1.24 1.25
1996 1.21 1.28
1995 1.17 1.29
1994 1.14 1.32
1993 1.12 1.33
1992 1.15 1.33
1991 1.17 1.42
1990 1.16 1.46
1989 1.15 1.52
1988 1.14 1.63
1987 1.14 1.65
1986 1.15 1.67
1985 1.17 1.71
1984 1.2 1.74
1983 1.25 1.81
1982 1.3 1.93
1981 1.41 1.96
1980 1.53 2.11
1979 1.63 2.22
1978 1.77 2.2
1977 1.87 2.17
1976 1.95 2.2
1975 2.05 2.17
1974 2.13 2.13
1973 2.23 2.2
1972 2.29 2.17
1971 2.33 2.16
1970 2.32 2.11
1969 2.31 2.17
1968 2.3 2.25
1967 2.31 2.37
1966 2.33 2.47
1965 2.33 2.43
1964 2.37 2.31
1963 2.4 2.27
1962 2.43 2.28
1961 2.68 2.27
1960 2.43 2.19

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

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

According to the latest available data on birth rates, the fertility rate in San Marino was 1.15 children per woman in 2023, compared to 1.51 in Slovenia in 2023. The replacement level is considered to be 2.1 children per woman.

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

Natural population change by year

San Marino
Slovenia
1x
Year Natural population change
San Marino Slovenia
2023 -92 -4,665
2022 -58 -4,858
2021 -99 -4,216
2020 -122 -5,256
2019 -17 -1,254
2018 -11 -1,037
2017 -51 -207
2016 10 826
2015 36 826
2014 46 2,268
2013 73 1,648
2012 54 2,674
2011 105 3,285
2010 126 3,687
2009 145 3,060
2008 159 3,437
2007 69 1,211
2006 75 602
2005 66 -600
2004 121 -599
2003 79 -1,996
2002 112 -1,197
2001 132 -996
2000 107 -398
1999 80 -1,388
1998 74 -1,189
1997 71 -794
1996 63 0
1995 51 0
1994 43 199
1993 38 -199
1992 42 598
1991 45 2,199
1990 41 3,797
1989 36 4,592
1988 34 5,986
1987 31 5,771
1986 40 6,094
1985 44 6,213
1984 46 5,990
1983 54 6,343
1982 61 9,170
1981 76 10,485
1980 90 11,027
1979 104 12,614
1978 121 11,920
1977 117 12,160
1976 126 12,196
1975 141 11,658
1974 153 11,367
1973 167 11,837
1972 173 10,513
1971 174 10,951
1970 173 10,004
1969 173 9,427
1968 171 11,250
1967 171 13,516
1966 173 15,697
1965 169 14,513
1964 163 12,567
1963 158 14,068
1962 155 13,150
1961 174 14,985
1960 139 12,678

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

GeoRank.org/birth-rate/san-marino/slovenia | 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 -0.27% in San Marino and -0.22% in Slovenia.

For the past 10 years, the annual natural population change has been -0.1% in San Marino and -0.08% in Slovenia.

Birth rate in San Marino vs Slovenia by year

San Marino
Slovenia

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
San Marino Slovenia
2023 5.6 8
2022 6.1 8.3
2021 6.2 9
2020 6.4 8.9
2019 6.7 9.3
2018 6.8 9.4
2017 6.7 9.8
2016 7.9 9.9
2015 8.2 10
2014 9.1 10.3
2013 9.7 10.2
2012 8.7 10.7
2011 10 10.7
2010 10.3 10.9
2009 10.7 10.7
2008 11 10.8
2007 9.4 9.8
2006 10 9.4
2005 9.5 9.1
2004 10.4 9
2003 10.7 8.7
2002 11.9 8.8
2001 12.8 8.8
2000 12 9.1
1999 11.1 8.8
1998 11 9
1997 11 9.1
1996 10.8 9.4
1995 10.4 9.5
1994 10.2 9.8
1993 10 9.9
1992 10.2 10
1991 10.3 10.8
1990 10.1 11.2
1989 9.88 11.7
1988 9.73 12.6
1987 9.6 12.9
1986 9.48 13
1985 9.52 13.4
1984 9.63 13.6
1983 9.87 14.1
1982 10.2 15.1
1981 10.8 15.3
1980 11.5 15.7
1979 12.2 16.3
1978 13.1 16.3
1977 13 16.2
1976 14 16.7
1975 14.8 16.6
1974 15.4 16.1
1973 16.2 16.7
1972 16.5 16.4
1971 16.7 16.3
1970 17 15.9
1969 17.1 16.3
1968 17.1 16.8
1967 17.2 17.7
1966 17.5 18.5
1965 17.4 18.5
1964 17.4 17.9
1963 17.5 18
1962 17.7 18.1
1961 19.4 18.2
1960 17.5 17.6

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

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

The latest reported birth rate per 1,000 people in 2023 was 5.6 in San Marino and 8 in Slovenia, compared with 17.5 and 17.6, respectively, in 1960.

Birth rate data compared

San Marino Slovenia
Fertility rate 1.15 1.51
Fertility rate rank 188/196 139/196
Birth rate 5.6 8
Birth rate rank 195/196 178/196
Population change due to births and deaths -92 -4,665
Natural population change rank 159/196 166/196
Natural population change rate -0.27% -0.22%
Population growth +0.35% +0.33%
Population growth rank 145/197 148/197
Age at first childbirth 31.5 years 29.1 years
Average age at childbearing 32.8 years 30.6 years
Annual births per 1,000 women ages 15-19 0 3.36
Annual births per 1,000 women ages 20-29 34.4 73
Annual births per 1,000 women ages 30+ 11 12.6
Female of reproductive age (15-49), share of population 19.7% 20%
Any modern method of contraceptive prevalence among married women ages 15-49 n/a 63.2%
Share of births attended by skilled health staff n/a 99.8%
Maternal mortality per live birth 0.008% 0.003%
Neonatal mortality rate (before reaching 28 days of age) 0.06% 0.13%
Infant mortality rate (before reaching 1 year of age) 0.14% 0.18%
Mortality rate before reaching 5 years of age 0.14% 0.22%
Life expectancy 86 years 82.1 years

Children 0-14 years as share of population

San Marino
Factual

UN forecast
Slovenia
Factual

UN forecast
1x
Year Young
San Marino Slovenia
2100 11.9% 12.6%
2099 11.9% 12.6%
2098 11.9% 12.7%
2097 12% 12.7%
2096 12% 12.8%
2095 12% 12.8%
2094 12.1% 12.9%
2093 12.1% 13%
2092 12.2% 13.1%
2091 12.2% 13.1%
2090 12.3% 13.2%
2089 12.3% 13.3%
2088 12.3% 13.3%
2087 12.4% 13.4%
2086 12.4% 13.4%
2085 12.4% 13.4%
2084 12.4% 13.4%
2083 12.4% 13.4%
2082 12.4% 13.4%
2081 12.3% 13.4%
2080 12.3% 13.3%
2079 12.2% 13.3%
2078 12.2% 13.2%
2077 12.1% 13.1%
2076 12% 13.1%
2075 11.9% 13%
2074 11.8% 12.9%
2073 11.7% 12.9%
2072 11.6% 12.8%
2071 11.5% 12.8%
2070 11.5% 12.7%
2069 11.4% 12.7%
2068 11.4% 12.7%
2067 11.3% 12.7%
2066 11.3% 12.8%
2065 11.3% 12.8%
2064 11.3% 12.9%
2063 11.3% 13%
2062 11.4% 13.1%
2061 11.4% 13.2%
2060 11.5% 13.3%
2059 11.5% 13.3%
2058 11.6% 13.4%
2057 11.6% 13.5%
2056 11.7% 13.6%
2055 11.7% 13.6%
2054 11.7% 13.6%
2053 11.8% 13.6%
2052 11.7% 13.6%
2051 11.7% 13.6%
2050 11.7% 13.5%
2049 11.6% 13.4%
2048 11.5% 13.3%
2047 11.4% 13.2%
2046 11.2% 13.1%
2045 11.1% 13%
2044 11% 12.8%
2043 10.8% 12.7%
2042 10.6% 12.6%
2041 10.5% 12.5%
2040 10.3% 12.5%
2039 10.2% 12.4%
2038 10% 12.4%
2037 9.93% 12.4%
2036 9.9% 12.5%
2035 9.89% 12.6%
2034 9.93% 12.7%
2033 9.99% 12.9%
2032 10% 13%
2031 10.2% 13.2%
2030 10.4% 13.4%
2029 10.6% 13.7%
2028 11% 13.9%
2027 11.2% 14.1%
2026 11.6% 14.4%
2025 12.1% 14.6%
2024 12.3% 14.7%
2023 12.7% 14.9%
2022 13% 15.1%
2021 13.2% 15.2%
2020 13.4% 15.1%
2019 13.7% 15.1%
2018 14% 15.1%
2017 14.4% 15%
2016 14.7% 14.9%
2015 14.9% 14.8%
2014 15.1% 14.7%
2013 15.1% 14.6%
2012 15.2% 14.4%
2011 15.3% 14.3%
2010 15.4% 14.1%
2009 15.4% 14%
2008 15.4% 14%
2007 15.3% 14%
2006 15.3% 14.1%
2005 15.3% 14.3%
2004 15.2% 14.5%
2003 15.2% 14.8%
2002 15.1% 15.2%
2001 15% 15.6%
2000 14.9% 15.9%
1999 14.9% 16.4%
1998 14.9% 16.8%
1997 14.9% 17.3%
1996 14.9% 17.8%
1995 14.9% 18.3%
1994 15% 18.8%
1993 15.2% 19.3%
1992 15.4% 19.8%
1991 15.8% 20.3%
1990 16.1% 20.8%
1989 16.5% 21.1%
1988 17% 21.4%
1987 17.5% 21.6%
1986 18% 22%
1985 18.6% 22.3%
1984 19.1% 22.5%
1983 19.7% 22.7%
1982 20.3% 22.8%
1981 21% 22.9%
1980 21.7% 23%
1979 22.4% 23.1%
1978 23% 23.2%
1977 23.9% 23.3%
1976 24.7% 23.4%
1975 25.1% 23.6%
1974 25.4% 23.7%
1973 25.7% 23.8%
1972 25.9% 23.9%
1971 26% 24%
1970 25.9% 24.3%
1969 25.6% 24.7%
1968 25.3% 25.1%
1967 24.9% 25.5%
1966 24.5% 25.8%
1965 24.3% 26.2%
1964 24.5% 26.6%
1963 24.8% 26.9%
1962 25% 27.1%
1961 25% 27.2%
1960 25% 27.2%

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/san-marino/slovenia | CC BY

Children aged 0-14 make up 12.3% of the population in San Marino and 14.7% in Slovenia in 2024, compared to 16.1% and 20.8% respectively in 1990.

Demographics of San Marino and Slovenia compared.

Fertility rates around the globe

1x

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

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

Maternal mortality chart: San Marino vs Slovenia

San Marino
Slovenia
1x
Year Maternal mortality per 100K births
San Marino Slovenia
2023 8 3
2022 22 15
2021 35 8
2020 46 12
2019 7 4
2018 7 4
2017 7 5
2016 7 5
2015 8 5
2014 8 6
2013 8 6
2012 8 6
2011 8 6
2010 8 7
2009 8 7
2008 8 7
2007 8 6
2006 12 6
2005 12 6
2004 13 6
2003 13 6
2002 14 6
2001 14 6
2000 14 7
1999 9 8
1998 9 9
1997 10 9
1996 10 10
1995 10 11
1994 10 12
1993 11 12
1992 11 13
1991 11 13
1990 11 14
1989 12 15
1988 12 16
1987 12 16
1986 12 16
1985 12 17

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

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

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 8 deaths per 100,000 live births in San Marino, compared to 3 deaths in Slovenia.

Under-five mortality rates

San Marino
Slovenia

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
San Marino Slovenia
2023 0.14% 0.22%
2022 0.15% 0.23%
2021 0.15% 0.23%
2020 0.16% 0.24%
2019 0.17% 0.24%
2018 0.17% 0.24%
2017 0.18% 0.25%
2016 0.19% 0.26%
2015 0.2% 0.26%
2014 0.21% 0.27%
2013 0.23% 0.28%
2012 0.24% 0.29%
2011 0.25% 0.31%
2010 0.27% 0.32%
2009 0.28% 0.34%
2008 0.3% 0.36%
2007 0.32% 0.38%
2006 0.34% 0.4%
2005 0.37% 0.42%
2004 0.39% 0.44%
2003 0.42% 0.47%
2002 0.46% 0.49%
2001 0.5% 0.52%
2000 0.54% 0.54%
1999 0.58% 0.58%
1998 0.63% 0.61%
1997 0.69% 0.65%
1996 0.75% 0.69%
1995 0.81% 0.73%
1994 0.89% 0.79%
1993 0.97% 0.84%
1992 1.06% 0.9%
1991 1.16% 0.97%
1990 1.27% 1.04%
1989 1.39% 1.11%
1988 1.52% 1.19%
1987 1.66% 1.27%
1986 1.82% 1.36%
1985 1.99% 1.44%
1984 - 1.53%
1983 - 1.61%
1982 - 1.69%
1981 - 1.78%

Data sources: World Bank | Health (1981–2023, retrieved 2026-04-06).

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

The chance that a newborn baby will die before reaching age five is 0.14% in San Marino and 0.22% in Slovenia. 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) (2022–2023, retrieved 2026-03-10)

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