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Fertility & birth rates in Slovenia and South Sudan

Updated on by Georank team

Slovenia has an annual birth rate of 8 births per 1,000 people, compared to 28.6 for South Sudan. The average number of children a woman is expected to have during her lifetime — the fertility rate, is 1.51 in Slovenia and 3.86 in South Sudan — 155.9% difference.

1960 vs 2023, the fertility rate has decreased by 30.9% in Slovenia and by 46% in South Sudan — in 1960, it was 2.19 and 7.16, respectively.

  • Slovenia is ranked 178/196 by birth rate compared to 36/196 for South Sudan.
  • The mean age at childbearing (for all the births, not just the first) is 30.6 in Slovenia — it's 28.4 in South Sudan.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 3.5 in Slovenia vs 97.1 in South Sudan.
  • In Slovenia, 20% of the population is composed of women of reproductive age (15-49), compared to 25.1% in South Sudan.

Fertility rate in Slovenia vs South Sudan by year

Slovenia
South Sudan
1x
Year Fertility rate
Slovenia South Sudan
2023 1.51 3.86
2022 1.55 3.96
2021 1.64 4.05
2020 1.59 4.16
2019 1.61 4.26
2018 1.6 4.37
2017 1.62 4.48
2016 1.58 4.58
2015 1.57 4.7
2014 1.58 4.82
2013 1.55 4.94
2012 1.58 5.06
2011 1.56 5.19
2010 1.57 5.32
2009 1.53 5.45
2008 1.53 5.57
2007 1.38 5.7
2006 1.31 5.85
2005 1.26 6.02
2004 1.25 6.19
2003 1.2 6.35
2002 1.21 6.52
2001 1.21 6.65
2000 1.26 6.8
1999 1.21 6.94
1998 1.23 7.08
1997 1.25 7.2
1996 1.28 7.32
1995 1.29 7.34
1994 1.32 7.35
1993 1.33 7.36
1992 1.33 7.37
1991 1.42 7.38
1990 1.46 7.38
1989 1.52 7.37
1988 1.63 7.38
1987 1.65 7.39
1986 1.67 7.38
1985 1.71 7.36
1984 1.74 7.35
1983 1.81 7.34
1982 1.93 7.34
1981 1.96 7.33
1980 2.11 7.33
1979 2.22 7.32
1978 2.2 7.33
1977 2.17 7.33
1976 2.2 7.33
1975 2.17 7.33
1974 2.13 7.31
1973 2.2 7.31
1972 2.17 7.31
1971 2.16 7.3
1970 2.11 7.29
1969 2.17 7.28
1968 2.25 7.26
1967 2.37 7.26
1966 2.47 7.25
1965 2.43 7.22
1964 2.31 7.22
1963 2.27 7.2
1962 2.28 7.2
1961 2.27 7.18
1960 2.19 7.16

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

GeoRank.org/birth-rate/slovenia/south-sudan | CC BY

According to the latest available data on birth rates, the fertility rate in Slovenia was 1.51 children per woman in 2023, compared to 3.86 in South Sudan in 2023. The replacement level is considered to be 2.1 children per woman.

Check Slovenia vs South Sudan population clock for a dynamic visualization of the changing population.

Natural population change by year

Slovenia
South Sudan
1x
Year Natural population change
Slovenia South Sudan
2023 -4,665 217,966
2022 -4,858 211,166
2021 -4,216 213,567
2020 -5,256 212,332
2019 -1,254 209,708
2018 -1,037 168,497
2017 -207 72,193
2016 826 110,553
2015 826 148,542
2014 2,268 227,611
2013 1,648 315,983
2012 2,674 312,974
2011 3,285 303,181
2010 3,687 287,409
2009 3,060 278,859
2008 3,437 268,268
2007 1,211 256,546
2006 602 246,706
2005 -600 239,272
2004 -599 231,877
2003 -1,996 225,822
2002 -1,197 212,014
2001 -996 204,108
2000 -398 196,055
1999 -1,388 180,721
1998 -1,189 -12,157
1997 -794 121,454
1996 0 116,728
1995 0 110,417
1994 199 165,407
1993 -199 32,779
1992 598 28,874
1991 2,199 87,873
1990 3,797 82,900
1989 4,592 83,735
1988 5,986 -125,447
1987 5,771 5,756
1986 6,094 99,502
1985 6,213 95,342
1984 5,990 90,970
1983 6,343 104,107
1982 9,170 118,641
1981 10,485 115,163
1980 11,027 112,307
1979 12,614 109,540
1978 11,920 107,352
1977 12,160 104,886
1976 12,196 102,346
1975 11,658 99,882
1974 11,367 97,181
1973 11,837 94,765
1972 10,513 74,803
1971 10,951 72,308
1970 10,004 44,776
1969 9,427 42,015
1968 11,250 44,213
1967 13,516 41,357
1966 15,697 38,523
1965 14,513 51,682
1964 12,567 64,786
1963 14,068 46,333
1962 13,150 47,406
1961 14,985 45,186
1960 12,678 42,945

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

GeoRank.org/birth-rate/slovenia/south-sudan | 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 -0.22% in Slovenia and +1.9% in South Sudan.

For the past 10 years, the annual natural population change has been -0.08% in Slovenia and +1.65% in South Sudan.

Birth rate in Slovenia vs South Sudan by year

Slovenia
South Sudan

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Slovenia South Sudan
2023 8 28.6
2022 8.3 29.1
2021 9 29.7
2020 8.9 29.4
2019 9.3 29.4
2018 9.4 29.1
2017 9.8 32.8
2016 9.9 35.1
2015 10 35.4
2014 10.3 38.2
2013 10.2 38.3
2012 10.7 39.1
2011 10.7 39.8
2010 10.9 39.9
2009 10.7 41
2008 10.8 41.6
2007 9.8 42.3
2006 9.4 43.2
2005 9.1 44.3
2004 9 45.5
2003 8.7 46.8
2002 8.8 48
2001 8.8 48.9
2000 9.1 49.8
1999 8.8 50.7
1998 9 51.2
1997 9.1 51.6
1996 9.4 52.6
1995 9.5 52.7
1994 9.8 52.7
1993 9.9 52.7
1992 10 52.5
1991 10.8 52.4
1990 11.2 52.3
1989 11.7 53.1
1988 12.6 51.9
1987 12.9 50.6
1986 13 50.6
1985 13.4 50.7
1984 13.6 50.8
1983 14.1 51.1
1982 15.1 51.4
1981 15.3 51.7
1980 15.7 52
1979 16.3 52.3
1978 16.3 52.7
1977 16.2 53
1976 16.7 53.4
1975 16.6 53.7
1974 16.1 53.9
1973 16.7 54.3
1972 16.4 54.5
1971 16.3 54.6
1970 15.9 54.5
1969 16.3 54.3
1968 16.8 54
1967 17.7 53.7
1966 18.5 53.5
1965 18.5 53.1
1964 17.9 53
1963 18 52.7
1962 18.1 52.5
1961 18.2 52.3
1960 17.6 52

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

GeoRank.org/birth-rate/slovenia/south-sudan | CC BY

The latest reported birth rate per 1,000 people in 2023 was 8 in Slovenia and 28.6 in South Sudan, compared with 17.6 and 52, respectively, in 1960.

Birth rate data compared

Slovenia South Sudan
Fertility rate 1.51 3.86
Fertility rate rank 139/196 31/196
Birth rate 8 28.6
Birth rate rank 178/196 36/196
Population change due to births and deaths -4,665 +217,966
Natural population change rank 166/196 58/196
Natural population change rate -0.22% +1.9%
Population growth +0.33% +4.01%
Population growth rank 148/197 7/197
Age at first childbirth 29.1 years n/a
Average age at childbearing 30.6 years 28.4 years
Annual births per 1,000 women ages 15-19 3.36 95.7
Annual births per 1,000 women ages 20-29 73 173.3
Annual births per 1,000 women ages 30+ 12.6 43.7
Female of reproductive age (15-49), share of population 20% 25.1%
Any modern method of contraceptive prevalence among married women ages 15-49 63.2% 1.59%
Share of births attended by skilled health staff 99.8% 39.7%
Maternal mortality per live birth 0.003% 0.69%
Neonatal mortality rate (before reaching 28 days of age) 0.13% 4.02%
Infant mortality rate (before reaching 1 year of age) 0.18% 7.26%
Mortality rate before reaching 5 years of age 0.22% 9.87%
Life expectancy 82.1 years 58 years

Children 0-14 years as share of population

Slovenia
Factual

UN forecast
South Sudan
Factual

UN forecast
1x
Year Young
Slovenia South Sudan
2100 12.6% 20.1%
2099 12.6% 20.2%
2098 12.7% 20.3%
2097 12.7% 20.3%
2096 12.8% 20.4%
2095 12.8% 20.5%
2094 12.9% 20.6%
2093 13% 20.7%
2092 13.1% 20.9%
2091 13.1% 21%
2090 13.2% 21.1%
2089 13.3% 21.2%
2088 13.3% 21.3%
2087 13.4% 21.5%
2086 13.4% 21.6%
2085 13.4% 21.8%
2084 13.4% 21.9%
2083 13.4% 22.1%
2082 13.4% 22.3%
2081 13.4% 22.4%
2080 13.3% 22.6%
2079 13.3% 22.8%
2078 13.2% 23%
2077 13.1% 23.2%
2076 13.1% 23.3%
2075 13% 23.5%
2074 12.9% 23.7%
2073 12.9% 23.9%
2072 12.8% 24.1%
2071 12.8% 24.3%
2070 12.7% 24.5%
2069 12.7% 24.7%
2068 12.7% 25%
2067 12.7% 25.2%
2066 12.8% 25.4%
2065 12.8% 25.6%
2064 12.9% 25.8%
2063 13% 26%
2062 13.1% 26.3%
2061 13.2% 26.5%
2060 13.3% 26.7%
2059 13.3% 27%
2058 13.4% 27.2%
2057 13.5% 27.5%
2056 13.6% 27.8%
2055 13.6% 28.1%
2054 13.6% 28.5%
2053 13.6% 28.8%
2052 13.6% 29.2%
2051 13.6% 29.5%
2050 13.5% 29.9%
2049 13.4% 30.3%
2048 13.3% 30.8%
2047 13.2% 31.2%
2046 13.1% 31.6%
2045 13% 32%
2044 12.8% 32.4%
2043 12.7% 32.7%
2042 12.6% 33%
2041 12.5% 33.3%
2040 12.5% 33.6%
2039 12.4% 33.8%
2038 12.4% 33.9%
2037 12.4% 34.1%
2036 12.5% 34.2%
2035 12.6% 34.3%
2034 12.7% 34.4%
2033 12.9% 34.3%
2032 13% 34.4%
2031 13.2% 34.6%
2030 13.4% 34.8%
2029 13.7% 35.2%
2028 13.9% 35.8%
2027 14.1% 36.6%
2026 14.4% 37.5%
2025 14.6% 38.4%
2024 14.7% 38.9%
2023 14.9% 39.9%
2022 15.1% 40.9%
2021 15.2% 41.6%
2020 15.1% 42.4%
2019 15.1% 43.6%
2018 15.1% 44.9%
2017 15% 45%
2016 14.9% 43.7%
2015 14.8% 43.1%
2014 14.7% 42.5%
2013 14.6% 41.9%
2012 14.4% 41.9%
2011 14.3% 42.2%
2010 14.1% 42.8%
2009 14% 43.4%
2008 14% 43.8%
2007 14% 44.3%
2006 14.1% 44.8%
2005 14.3% 45.3%
2004 14.5% 45.8%
2003 14.8% 45.9%
2002 15.2% 45.7%
2001 15.6% 45.5%
2000 15.9% 45.5%
1999 16.4% 45.6%
1998 16.8% 45.8%
1997 17.3% 46%
1996 17.8% 46%
1995 18.3% 45.8%
1994 18.8% 45.8%
1993 19.3% 45.7%
1992 19.8% 45.6%
1991 20.3% 45.5%
1990 20.8% 45.4%
1989 21.1% 45.4%
1988 21.4% 46.2%
1987 21.6% 46.9%
1986 22% 46.7%
1985 22.3% 46.6%
1984 22.5% 46.5%
1983 22.7% 46.3%
1982 22.8% 46.2%
1981 22.9% 46%
1980 23% 45.8%
1979 23.1% 45.7%
1978 23.2% 45.5%
1977 23.3% 45.4%
1976 23.4% 45.3%
1975 23.6% 45.2%
1974 23.7% 45.1%
1973 23.8% 45%
1972 23.9% 44.8%
1971 24% 44.7%
1970 24.3% 44.5%
1969 24.7% 44.3%
1968 25.1% 44%
1967 25.5% 43.8%
1966 25.8% 43.5%
1965 26.2% 43.3%
1964 26.6% 43%
1963 26.9% 42.8%
1962 27.1% 42.6%
1961 27.2% 42.6%
1960 27.2% 42.5%

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/slovenia/south-sudan | CC BY

Children aged 0-14 make up 14.7% of the population in Slovenia and 38.9% in South Sudan in 2024, compared to 20.8% and 45.4% respectively in 1990.

Demographics of Slovenia and South Sudan compared.

Fertility rates around the globe

1x

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

GeoRank.org/birth-rate/slovenia/south-sudan | CC BY

Maternal mortality chart: Slovenia vs South Sudan

Slovenia
South Sudan
1x
Year Maternal mortality per 100K births
Slovenia South Sudan
2023 3 692
2022 15 704
2021 8 749
2020 12 729
2019 4 745
2018 4 913
2017 5 1,662
2016 5 1,629
2015 5 1,436
2014 6 1,216
2013 6 771
2012 6 755
2011 6 770
2010 7 776
2009 7 823
2008 7 858
2007 6 933
2006 6 1,005
2005 6 1,074
2004 6 1,150
2003 6 1,199
2002 6 1,521
2001 6 1,580
2000 7 1,658
1999 8 2,048
1998 9 7,514
1997 9 4,172
1996 10 4,357
1995 11 4,430
1994 12 1,666
1993 12 7,537
1992 13 7,597
1991 13 4,764
1990 14 4,877
1989 15 5,103
1988 16 5,535
1987 16 8,045
1986 16 3,720
1985 17 3,845

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

GeoRank.org/birth-rate/slovenia/south-sudan | CC BY

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 3 deaths per 100,000 live births in Slovenia, compared to 692 deaths in South Sudan.

Under-five mortality rates

Slovenia
South Sudan

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Slovenia South Sudan
2023 0.22% 9.87%
2022 0.23% 9.87%
2021 0.23% 9.87%
2020 0.24% 9.87%
2019 0.24% 9.87%
2018 0.24% 13.2%
2017 0.25% 27.8%
2016 0.26% 26.4%
2015 0.26% 23.7%
2014 0.27% 18.2%
2013 0.28% 9.92%
2012 0.29% 10.1%
2011 0.31% 10.5%
2010 0.32% 10.9%
2009 0.34% 11.5%
2008 0.36% 12.1%
2007 0.38% 12.7%
2006 0.4% 13.4%
2005 0.42% 14.1%
2004 0.44% 14.8%
2003 0.47% 15.7%
2002 0.49% 16.5%
2001 0.52% 17.4%
2000 0.54% 18.3%
1999 0.58% 19.2%
1998 0.61% 42.6%
1997 0.65% 25.2%
1996 0.69% 26.1%
1995 0.73% 27%
1994 0.79% 23%
1993 0.84% 33.1%
1992 0.9% 33.8%
1991 0.97% 29.7%
1990 1.04% 30.3%
1989 1.11% 30.7%
1988 1.19% 76.7%
1987 1.27% 36%
1986 1.36% 26.7%
1985 1.44% 27.1%
1984 1.53% 27.5%
1983 1.61% 27.8%
1982 1.69% 28.2%
1981 1.78% 28.5%
1980 - 28.9%
1979 - 29.2%
1978 - 29.5%
1977 - 29.9%
1976 - 30.2%
1975 - 30.6%
1974 - 30.9%
1973 - 31.3%
1972 - 31.6%
1971 - 31.9%
1970 - 32.3%
1969 - 32.6%
1968 - 32.9%
1967 - 33.3%
1966 - 33.6%
1965 - 34%
1964 - 34.3%
1963 - 34.6%
1962 - 34.9%
1961 - 35.2%
1960 - 35.5%

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

GeoRank.org/birth-rate/slovenia/south-sudan | CC BY

The chance that a newborn baby will die before reaching age five is 0.22% in Slovenia and 9.87% in South Sudan. 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)

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