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Fertility & birth rates in Congo and Slovenia

Updated on by Georank team

The Congo has an annual birth rate of 30.6 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 4.16 in the Congo and 1.51 in Slovenia — 63.7% difference.

1960 vs 2023, the fertility rate has decreased by 31.7% in the Congo and by 30.9% in Slovenia — in 1960, it was 6.09 and 2.19, respectively.

  • The Congo is ranked 28/196 by birth rate compared to 178/196 for Slovenia.
  • The mean age for first-time mothers is 19.6 years in the Congo, compared to 29.1 years in Slovenia.
  • The mean age at childbearing (for all the births, not just the first) is 28.6 in the Congo — it's 30.6 in Slovenia.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 109.9 in the Congo vs 3.5 in Slovenia.
  • In the Congo, 24% of the population is composed of women of reproductive age (15-49), compared to 20% in Slovenia.

Fertility rate in Congo vs Slovenia by year

Congo
Slovenia
1x
Year Fertility rate
Congo Slovenia
2023 4.16 1.51
2022 4.22 1.55
2021 4.28 1.64
2020 4.33 1.59
2019 4.38 1.61
2018 4.44 1.6
2017 4.5 1.62
2016 4.55 1.58
2015 4.61 1.57
2014 4.67 1.58
2013 4.73 1.55
2012 4.79 1.58
2011 4.83 1.56
2010 4.85 1.57
2009 4.81 1.53
2008 4.73 1.53
2007 4.65 1.38
2006 4.65 1.31
2005 4.67 1.26
2004 4.69 1.25
2003 4.7 1.2
2002 4.7 1.21
2001 4.67 1.21
2000 4.72 1.26
1999 4.81 1.21
1998 4.91 1.23
1997 5 1.25
1996 5.03 1.28
1995 5.07 1.29
1994 5.1 1.32
1993 5.13 1.33
1992 5.18 1.33
1991 5.22 1.42
1990 5.27 1.46
1989 5.33 1.52
1988 5.39 1.63
1987 5.46 1.65
1986 5.51 1.67
1985 5.59 1.71
1984 5.66 1.74
1983 5.76 1.81
1982 5.85 1.93
1981 5.98 1.96
1980 6.07 2.11
1979 6.14 2.22
1978 6.21 2.2
1977 6.27 2.17
1976 6.32 2.2
1975 6.36 2.17
1974 6.39 2.13
1973 6.42 2.2
1972 6.44 2.17
1971 6.42 2.16
1970 6.38 2.11
1969 6.35 2.17
1968 6.33 2.25
1967 6.29 2.37
1966 6.27 2.47
1965 6.23 2.43
1964 6.18 2.31
1963 6.15 2.27
1962 6.1 2.28
1961 6.09 2.27
1960 6.09 2.19

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

GeoRank.org/birth-rate/congo/slovenia | CC BY

According to the latest available data on birth rates, the fertility rate in the Congo was 4.16 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 the Congo vs Slovenia population clock for a dynamic visualization of the changing population.

Natural population change by year

Congo
Slovenia
1x
Year Natural population change
Congo Slovenia
2023 150,486 -4,665
2022 147,076 -4,858
2021 144,241 -4,216
2020 143,492 -5,256
2019 139,513 -1,254
2018 142,704 -1,037
2017 141,973 -207
2016 141,358 826
2015 141,539 826
2014 141,674 2,268
2013 142,080 1,648
2012 142,464 2,674
2011 140,371 3,285
2010 136,908 3,687
2009 126,904 3,060
2008 120,711 3,437
2007 112,459 1,211
2006 106,876 602
2005 101,344 -600
2004 96,577 -599
2003 91,326 -1,996
2002 88,497 -1,197
2001 84,876 -996
2000 78,491 -398
1999 76,204 -1,388
1998 72,450 -1,189
1997 66,149 -794
1996 75,628 0
1995 74,189 0
1994 72,857 199
1993 71,119 -199
1992 69,973 598
1991 68,534 2,199
1990 67,241 3,797
1989 65,944 4,592
1988 64,629 5,986
1987 63,183 5,771
1986 61,669 6,094
1985 60,359 6,213
1984 59,028 5,990
1983 58,120 6,343
1982 57,036 9,170
1981 56,603 10,485
1980 55,550 11,027
1979 54,723 12,614
1978 53,885 11,920
1977 53,179 12,160
1976 52,148 12,196
1975 51,155 11,658
1974 49,563 11,367
1973 48,017 11,837
1972 46,427 10,513
1971 44,431 10,951
1970 42,374 10,004
1969 40,532 9,427
1968 38,786 11,250
1967 36,866 13,516
1966 35,452 15,697
1965 33,865 14,513
1964 32,270 12,567
1963 30,832 14,068
1962 29,342 13,150
1961 28,220 14,985
1960 27,094 12,678

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

GeoRank.org/birth-rate/congo/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 +2.43% in the Congo and -0.22% in Slovenia.

For the past 10 years, the annual natural population change has been +2.59% in the Congo and -0.08% in Slovenia.

Birth rate in Congo vs Slovenia by year

Congo
Slovenia

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Congo Slovenia
2023 30.6 8
2022 30.9 8.3
2021 31.4 9
2020 31.7 8.9
2019 32.2 9.3
2018 32.8 9.4
2017 33.4 9.8
2016 34.1 9.9
2015 34.9 10
2014 35.8 10.3
2013 36.8 10.2
2012 37.8 10.7
2011 38.4 10.7
2010 38.9 10.9
2009 38 10.7
2008 38 10.8
2007 37.2 9.8
2006 37.1 9.4
2005 37 9.1
2004 37.1 9
2003 37 8.7
2002 37.3 8.8
2001 37.1 8.8
2000 36.2 9.1
1999 37 8.8
1998 37.5 9
1997 38.4 9.1
1996 38.4 9.4
1995 38.5 9.5
1994 38.6 9.8
1993 38.6 9.9
1992 38.7 10
1991 38.8 10.8
1990 38.9 11.2
1989 39.1 11.7
1988 39.2 12.6
1987 39.4 12.9
1986 39.6 13
1985 39.8 13.4
1984 40.1 13.6
1983 40.6 14.1
1982 40.8 15.1
1981 41.4 15.3
1980 41.8 15.7
1979 42.2 16.3
1978 42.7 16.3
1977 43.2 16.2
1976 43.6 16.7
1975 44 16.6
1974 44.1 16.1
1973 44.3 16.7
1972 44.5 16.4
1971 44.4 16.3
1970 44.1 15.9
1969 44 16.3
1968 43.9 16.8
1967 43.7 17.7
1966 43.6 18.5
1965 43.5 18.5
1964 43.4 17.9
1963 43.3 18
1962 43.2 18.1
1961 43.3 18.2
1960 43.5 17.6

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

GeoRank.org/birth-rate/congo/slovenia | CC BY

The latest reported birth rate per 1,000 people in 2023 was 30.6 in the Congo and 8 in Slovenia, compared with 43.5 and 17.6, respectively, in 1960.

Birth rate data compared

Congo Slovenia
Fertility rate 4.16 1.51
Fertility rate rank 23/196 139/196
Birth rate 30.6 8
Birth rate rank 28/196 178/196
Population change due to births and deaths +150,486 -4,665
Natural population change rank 69/196 166/196
Natural population change rate +2.43% -0.22%
Population growth +2.43% +0.33%
Population growth rank 31/197 148/197
Age at first childbirth 19.6 years 29.1 years
Average age at childbearing 28.6 years 30.6 years
Annual births per 1,000 women ages 15-19 106.3 3.36
Annual births per 1,000 women ages 20-29 181.5 73
Annual births per 1,000 women ages 30+ 57.5 12.6
Female of reproductive age (15-49), share of population 24% 20%
Any modern method of contraceptive prevalence among married women ages 15-49 18.3% 63.2%
Share of births attended by skilled health staff 91.2% 99.8%
Maternal mortality per live birth 0.24% 0.003%
Neonatal mortality rate (before reaching 28 days of age) 1.77% 0.13%
Infant mortality rate (before reaching 1 year of age) 2.76% 0.18%
Mortality rate before reaching 5 years of age 4.05% 0.22%
Life expectancy 66.4 years 82.1 years

Children 0-14 years as share of population

Congo
Factual

UN forecast
Slovenia
Factual

UN forecast
1x
Year Young
Congo Slovenia
2100 22.6% 12.6%
2099 22.7% 12.6%
2098 22.8% 12.7%
2097 23% 12.7%
2096 23.1% 12.8%
2095 23.3% 12.8%
2094 23.4% 12.9%
2093 23.6% 13%
2092 23.8% 13.1%
2091 23.9% 13.1%
2090 24.1% 13.2%
2089 24.3% 13.3%
2088 24.4% 13.3%
2087 24.6% 13.4%
2086 24.8% 13.4%
2085 25% 13.4%
2084 25.2% 13.4%
2083 25.4% 13.4%
2082 25.6% 13.4%
2081 25.9% 13.4%
2080 26.1% 13.3%
2079 26.3% 13.3%
2078 26.5% 13.2%
2077 26.7% 13.1%
2076 26.9% 13.1%
2075 27.1% 13%
2074 27.3% 12.9%
2073 27.5% 12.9%
2072 27.7% 12.8%
2071 27.9% 12.8%
2070 28.1% 12.7%
2069 28.3% 12.7%
2068 28.5% 12.7%
2067 28.7% 12.7%
2066 29% 12.8%
2065 29.2% 12.8%
2064 29.4% 12.9%
2063 29.6% 13%
2062 29.9% 13.1%
2061 30.1% 13.2%
2060 30.4% 13.3%
2059 30.7% 13.3%
2058 30.9% 13.4%
2057 31.2% 13.5%
2056 31.5% 13.6%
2055 31.8% 13.6%
2054 32.1% 13.6%
2053 32.4% 13.6%
2052 32.7% 13.6%
2051 32.9% 13.6%
2050 33.2% 13.5%
2049 33.5% 13.4%
2048 33.8% 13.3%
2047 34.1% 13.2%
2046 34.3% 13.1%
2045 34.6% 13%
2044 34.8% 12.8%
2043 35% 12.7%
2042 35.2% 12.6%
2041 35.4% 12.5%
2040 35.6% 12.5%
2039 35.7% 12.4%
2038 35.9% 12.4%
2037 36.1% 12.4%
2036 36.3% 12.5%
2035 36.5% 12.6%
2034 36.7% 12.7%
2033 36.9% 12.9%
2032 37.2% 13%
2031 37.5% 13.2%
2030 37.8% 13.4%
2029 38.2% 13.7%
2028 38.6% 13.9%
2027 39.1% 14.1%
2026 39.7% 14.4%
2025 40.2% 14.6%
2024 40.4% 14.7%
2023 40.9% 14.9%
2022 41.3% 15.1%
2021 41.5% 15.2%
2020 41.8% 15.1%
2019 41.9% 15.1%
2018 42.1% 15.1%
2017 42.1% 15%
2016 42.1% 14.9%
2015 41.9% 14.8%
2014 41.7% 14.7%
2013 41.3% 14.6%
2012 41% 14.4%
2011 40.6% 14.3%
2010 40.4% 14.1%
2009 40.5% 14%
2008 40.7% 14%
2007 40.7% 14%
2006 40.9% 14.1%
2005 41.1% 14.3%
2004 41.4% 14.5%
2003 41.7% 14.8%
2002 41.9% 15.2%
2001 41.9% 15.6%
2000 42.5% 15.9%
1999 43.1% 16.4%
1998 43.3% 16.8%
1997 43.3% 17.3%
1996 43.2% 17.8%
1995 43.3% 18.3%
1994 43.4% 18.8%
1993 43.6% 19.3%
1992 43.8% 19.8%
1991 44% 20.3%
1990 44.2% 20.8%
1989 44.3% 21.1%
1988 44.5% 21.4%
1987 44.6% 21.6%
1986 44.7% 22%
1985 44.9% 22.3%
1984 45% 22.5%
1983 45.2% 22.7%
1982 45.4% 22.8%
1981 45.6% 22.9%
1980 45.7% 23%
1979 45.8% 23.1%
1978 45.8% 23.2%
1977 45.8% 23.3%
1976 45.7% 23.4%
1975 45.5% 23.6%
1974 45.4% 23.7%
1973 45.2% 23.8%
1972 45% 23.9%
1971 44.8% 24%
1970 44.7% 24.3%
1969 44.5% 24.7%
1968 44.3% 25.1%
1967 44.2% 25.5%
1966 44% 25.8%
1965 43.9% 26.2%
1964 43.7% 26.6%
1963 43.5% 26.9%
1962 43.3% 27.1%
1961 43% 27.2%
1960 42.7% 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/congo/slovenia | CC BY

Children aged 0-14 make up 40.4% of the population in the Congo and 14.7% in Slovenia in 2024, compared to 44.2% and 20.8% respectively in 1990.

Demographics of the Congo and Slovenia compared.

Fertility rates around the globe

1x

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

GeoRank.org/birth-rate/congo/slovenia | CC BY

Maternal mortality chart: Congo vs Slovenia

Congo
Slovenia
1x
Year Maternal mortality per 100K births
Congo Slovenia
2023 241 3
2022 241 15
2021 301 8
2020 247 12
2019 245 4
2018 259 4
2017 262 5
2016 263 5
2015 284 5
2014 302 6
2013 320 6
2012 374 6
2011 378 6
2010 382 7
2009 414 7
2008 395 7
2007 370 6
2006 394 6
2005 385 6
2004 400 6
2003 436 6
2002 464 6
2001 489 6
2000 509 7
1999 554 8
1998 597 9
1997 650 9
1996 545 10
1995 551 11
1994 551 12
1993 541 12
1992 531 13
1991 514 13
1990 505 14
1989 506 15
1988 510 16
1987 519 16
1986 535 16
1985 546 17

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

GeoRank.org/birth-rate/congo/slovenia | CC BY

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 241 deaths per 100,000 live births in the Congo, compared to 3 deaths in Slovenia.

Under-five mortality rates

Congo
Slovenia

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Congo Slovenia
2023 4.05% 0.22%
2022 4.19% 0.23%
2021 4.33% 0.23%
2020 4.47% 0.24%
2019 5.24% 0.24%
2018 4.77% 0.24%
2017 4.93% 0.25%
2016 5.09% 0.26%
2015 5.27% 0.26%
2014 5.45% 0.27%
2013 5.64% 0.28%
2012 5.82% 0.29%
2011 6.02% 0.31%
2010 6.25% 0.32%
2009 6.55% 0.34%
2008 6.95% 0.36%
2007 7.43% 0.38%
2006 8.02% 0.4%
2005 8.66% 0.42%
2004 9.35% 0.44%
2003 10% 0.47%
2002 10.6% 0.49%
2001 11.1% 0.52%
2000 11.4% 0.54%
1999 11.5% 0.58%
1998 11.4% 0.61%
1997 11.2% 0.65%
1996 10.9% 0.69%
1995 10.5% 0.73%
1994 10.2% 0.79%
1993 9.84% 0.84%
1992 9.54% 0.9%
1991 9.31% 0.97%
1990 9.15% 1.04%
1989 9.05% 1.11%
1988 9.04% 1.19%
1987 9.11% 1.27%
1986 9.25% 1.36%
1985 9.44% 1.44%
1984 9.68% 1.53%
1983 9.95% 1.61%
1982 10.2% 1.69%
1981 10.5% 1.78%
1980 10.7% -
1979 11% -
1978 11.2% -
1977 11.5% -
1976 11.8% -
1975 12.1% -
1974 12.4% -
1973 12.6% -
1972 13% -
1971 13.4% -
1970 13.7% -
1969 14.2% -
1968 14.6% -
1967 15.1% -
1966 15.6% -
1965 16.1% -
1964 16.7% -
1963 17.3% -
1962 18% -
1961 18.6% -
1960 19.4% -

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

GeoRank.org/birth-rate/congo/slovenia | CC BY

The chance that a newborn baby will die before reaching age five is 4.05% in the Congo 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) (2023, retrieved 2026-03-10)
  4. Central Intelligence Agency (CIA) (2025, retrieved 2026-02-20)

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