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Fertility & birth rates in Bulgaria and Paraguay

Updated on by Georank team

Bulgaria has an annual birth rate of 8.9 births per 1,000 people, compared to 20 for Paraguay. The average number of children a woman is expected to have during her lifetime — the fertility rate, is 1.81 in Bulgaria and 2.42 in Paraguay — 33.8% difference.

1960 vs 2023, the fertility rate has decreased by 21.6% in Bulgaria and by 62.7% in Paraguay — in 1960, it was 2.31 and 6.5, respectively.

  • Bulgaria is ranked 165/196 by birth rate compared to 77/196 for Paraguay.
  • The mean age for first-time mothers is 26.9 years in Bulgaria, compared to 22.9 years in Paraguay.
  • The mean age at childbearing (for all the births, not just the first) is 28.3 in Bulgaria — it's 27.6 in Paraguay.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 39.1 in Bulgaria vs 70.3 in Paraguay.
  • In Bulgaria, 20.7% of the population is composed of women of reproductive age (15-49), compared to 26.1% in Paraguay.

Fertility rate in Bulgaria vs Paraguay by year

Bulgaria
Paraguay
1x
Year Fertility rate
Bulgaria Paraguay
2023 1.81 2.42
2022 1.78 2.44
2021 1.8 2.47
2020 1.77 2.5
2019 1.79 2.53
2018 1.73 2.56
2017 1.71 2.59
2016 1.67 2.62
2015 1.64 2.65
2014 1.62 2.65
2013 1.54 2.64
2012 1.5 2.66
2011 1.51 2.67
2010 1.57 2.7
2009 1.66 2.76
2008 1.56 2.79
2007 1.49 2.82
2006 1.44 2.89
2005 1.37 2.97
2004 1.33 3.05
2003 1.26 3.12
2002 1.23 3.23
2001 1.21 3.36
2000 1.26 3.51
1999 1.23 3.67
1998 1.11 3.8
1997 1.09 3.91
1996 1.23 4.01
1995 1.23 4.11
1994 1.37 4.2
1993 1.46 4.28
1992 1.55 4.4
1991 1.66 4.48
1990 1.82 4.57
1989 1.9 4.68
1988 1.97 4.77
1987 1.96 4.85
1986 2.02 4.93
1985 1.97 4.97
1984 2.01 5.04
1983 2.01 5.09
1982 2.01 5.13
1981 2 5.15
1980 2.05 5.1
1979 2.16 5.06
1978 2.15 5.04
1977 2.21 5.08
1976 2.24 5.12
1975 2.23 5.18
1974 2.29 5.27
1973 2.15 5.35
1972 2.03 5.46
1971 2.1 5.59
1970 2.17 5.72
1969 2.27 5.84
1968 2.27 5.97
1967 2.02 6.1
1966 2.03 6.23
1965 2.09 6.35
1964 2.19 6.42
1963 2.21 6.45
1962 2.24 6.47
1961 2.29 6.49
1960 2.31 6.5

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

GeoRank.org/birth-rate/bulgaria/paraguay | CC BY

According to the latest available data on birth rates, the fertility rate in Bulgaria was 1.81 children per woman in 2023, compared to 2.42 in Paraguay in 2023. The replacement level is considered to be 2.1 children per woman.

Check Bulgaria vs Paraguay population clock for a dynamic visualization of the changing population.

Natural population change by year

Bulgaria
Paraguay
1x
Year Natural population change
Bulgaria Paraguay
2023 -43,837 97,748
2022 -62,065 94,627
2021 -90,452 78,667
2020 -65,507 98,667
2019 -46,317 103,179
2018 -46,304 104,908
2017 -45,583 105,634
2016 -42,744 106,804
2015 -44,699 106,817
2014 -41,027 105,585
2013 -37,948 103,383
2012 -40,183 102,508
2011 -37,477 100,442
2010 -34,759 99,456
2009 -26,800 100,296
2008 -32,967 99,821
2007 -37,727 99,141
2006 -39,526 99,808
2005 -42,124 101,035
2004 -40,128 101,896
2003 -44,319 102,427
2002 -46,240 104,658
2001 -44,050 107,225
2000 -41,668 109,979
1999 -39,411 112,726
1998 -52,844 114,122
1997 -58,185 115,095
1996 -45,159 115,623
1995 -42,030 115,777
1994 -32,086 115,662
1993 -24,569 115,211
1992 -18,789 115,442
1991 -14,675 114,472
1990 -3,487 112,864
1989 5,326 111,727
1988 9,879 110,348
1987 8,971 107,962
1986 16,125 105,776
1985 11,649 102,859
1984 20,610 99,937
1983 21,455 96,406
1982 24,077 92,917
1981 29,341 89,456
1980 30,129 84,568
1979 40,599 80,345
1978 44,070 76,691
1977 47,543 74,359
1976 56,055 71,973
1975 54,941 70,285
1974 64,223 69,059
1973 57,760 67,803
1972 47,169 66,625
1971 52,925 66,142
1970 61,125 65,905
1969 63,256 65,616
1968 69,468 65,575
1967 49,861 65,695
1966 54,504 66,002
1965 58,249 66,063
1964 66,783 65,681
1963 66,241 64,741
1962 64,104 63,079
1961 75,460 61,536
1960 76,314 60,009

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

GeoRank.org/birth-rate/bulgaria/paraguay | 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 -0.68% in Bulgaria and +1.43% in Paraguay.

For the past 10 years, the annual natural population change has been -0.79% in Bulgaria and +1.56% in Paraguay.

Birth rate in Bulgaria vs Paraguay by year

Bulgaria
Paraguay

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Bulgaria Paraguay
2023 8.9 20
2022 8.8 20.4
2021 9 20.7
2020 9 21
2019 9.3 21.4
2018 9.3 21.8
2017 9.4 22.2
2016 9.4 22.5
2015 9.4 22.7
2014 9.6 22.6
2013 9.3 22.5
2012 9.5 22.6
2011 9.6 22.5
2010 10.2 22.5
2009 10.9 22.9
2008 10.4 23
2007 10 23
2006 9.7 23.3
2005 9.3 23.7
2004 9.1 24.1
2003 8.7 24.4
2002 8.5 25.1
2001 8.5 25.9
2000 9 26.9
1999 8.8 27.9
1998 7.9 28.8
1997 7.7 29.6
1996 8.6 30.3
1995 8.6 31
1994 9.4 31.7
1993 10 32.4
1992 10.4 33.3
1991 11.1 33.9
1990 12.1 34.4
1989 12.6 35.2
1988 13.1 35.8
1987 13 36.1
1986 13.4 36.5
1985 13.3 36.8
1984 13.6 37
1983 13.8 37
1982 13.9 37
1981 14 36.9
1980 14.5 36.2
1979 15.3 35.6
1978 15.5 35.1
1977 16.1 35
1976 16.5 34.8
1975 16.6 34.9
1974 17.2 35.2
1973 16.2 35.4
1972 15.3 35.8
1971 15.9 36.3
1970 16.3 37
1969 17 37.6
1968 16.9 38.4
1967 15 39.2
1966 14.9 40.2
1965 15.3 41
1964 16.1 41.7
1963 16.4 42.1
1962 16.7 42.2
1961 17.4 42.3
1960 17.8 42.4

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

GeoRank.org/birth-rate/bulgaria/paraguay | CC BY

The latest reported birth rate per 1,000 people in 2023 was 8.9 in Bulgaria and 20 in Paraguay, compared with 17.8 and 42.4, respectively, in 1960.

Birth rate data compared

Bulgaria Paraguay
Fertility rate 1.81 2.42
Fertility rate rank 110/196 77/196
Birth rate 8.9 20
Birth rate rank 165/196 77/196
Population change due to births and deaths -43,837 +97,748
Natural population change rank 182/196 80/196
Natural population change rate -0.68% +1.43%
Population growth -0.08% +1.24%
Population growth rank 171/197 87/197
Age at first childbirth 26.9 years 22.9 years
Average age at childbearing 28.3 years 27.6 years
Annual births per 1,000 women ages 15-19 36 69.6
Annual births per 1,000 women ages 20-29 86.2 113.3
Annual births per 1,000 women ages 30+ 10.7 29
Female of reproductive age (15-49), share of population 20.7% 26.1%
Any modern method of contraceptive prevalence among married women ages 15-49 39.6% 66.4%
Share of births attended by skilled health staff 94.5% 92.2%
Maternal mortality per live birth 0.006% 0.06%
Neonatal mortality rate (before reaching 28 days of age) 0.26% 0.91%
Infant mortality rate (before reaching 1 year of age) 0.5% 1.51%
Mortality rate before reaching 5 years of age 0.61% 1.7%
Life expectancy 76.1 years 74.2 years

Children 0-14 years as share of population

Bulgaria
Factual

UN forecast
Paraguay
Factual

UN forecast
1x
Year Young
Bulgaria Paraguay
2100 13% 15.5%
2099 13.1% 15.6%
2098 13.1% 15.7%
2097 13.1% 15.8%
2096 13.2% 15.9%
2095 13.2% 15.9%
2094 13.3% 16%
2093 13.4% 16.1%
2092 13.4% 16.2%
2091 13.4% 16.3%
2090 13.5% 16.4%
2089 13.5% 16.4%
2088 13.6% 16.5%
2087 13.6% 16.6%
2086 13.6% 16.7%
2085 13.6% 16.8%
2084 13.6% 16.8%
2083 13.6% 16.9%
2082 13.6% 17%
2081 13.6% 17.1%
2080 13.6% 17.2%
2079 13.6% 17.3%
2078 13.6% 17.3%
2077 13.6% 17.4%
2076 13.6% 17.5%
2075 13.5% 17.6%
2074 13.5% 17.8%
2073 13.5% 17.9%
2072 13.5% 18%
2071 13.5% 18.1%
2070 13.5% 18.3%
2069 13.6% 18.4%
2068 13.6% 18.6%
2067 13.6% 18.7%
2066 13.6% 18.9%
2065 13.6% 19.1%
2064 13.7% 19.2%
2063 13.7% 19.4%
2062 13.7% 19.6%
2061 13.8% 19.7%
2060 13.8% 19.9%
2059 13.8% 20.1%
2058 13.9% 20.2%
2057 13.9% 20.4%
2056 13.9% 20.6%
2055 13.9% 20.7%
2054 13.9% 20.9%
2053 13.9% 21%
2052 13.9% 21.2%
2051 13.8% 21.4%
2050 13.8% 21.5%
2049 13.8% 21.7%
2048 13.7% 21.9%
2047 13.7% 22%
2046 13.6% 22.2%
2045 13.6% 22.4%
2044 13.6% 22.6%
2043 13.6% 22.9%
2042 13.6% 23.1%
2041 13.6% 23.3%
2040 13.6% 23.6%
2039 13.6% 23.9%
2038 13.7% 24.2%
2037 13.7% 24.5%
2036 13.7% 24.9%
2035 13.7% 25.2%
2034 13.8% 25.6%
2033 13.8% 26%
2032 13.9% 26.3%
2031 14% 26.7%
2030 14.1% 27.1%
2029 14.2% 27.4%
2028 14.2% 27.7%
2027 14.3% 28%
2026 14.4% 28.3%
2025 14.4% 28.5%
2024 14.5% 28.6%
2023 14.5% 28.8%
2022 14.5% 28.9%
2021 14.5% 29%
2020 14.4% 29.1%
2019 14.4% 29.3%
2018 14.3% 29.5%
2017 14.2% 29.7%
2016 14% 29.9%
2015 13.9% 30.2%
2014 13.8% 30.5%
2013 13.7% 30.9%
2012 13.6% 31.4%
2011 13.5% 32%
2010 13.5% 32.5%
2009 13.4% 33.2%
2008 13.3% 33.8%
2007 13.4% 34.4%
2006 13.5% 35.1%
2005 13.7% 35.8%
2004 14% 36.6%
2003 14.4% 37.3%
2002 14.8% 37.9%
2001 15.2% 38.4%
2000 15.7% 39%
1999 16.1% 39.5%
1998 16.5% 40%
1997 17% 40.4%
1996 17.4% 40.8%
1995 17.9% 41.1%
1994 18.3% 41.3%
1993 18.8% 41.4%
1992 19.3% 41.5%
1991 19.8% 41.5%
1990 20.3% 41.5%
1989 20.8% 41.5%
1988 21.1% 41.4%
1987 21.3% 41.3%
1986 21.4% 41.3%
1985 21.6% 41.2%
1984 21.8% 41.2%
1983 22% 41.2%
1982 22.1% 41.2%
1981 22.1% 41.4%
1980 22.1% 41.6%
1979 22.1% 42%
1978 22.2% 42.4%
1977 22.2% 42.8%
1976 22.3% 43.3%
1975 22.3% 43.7%
1974 22.2% 44.2%
1973 22.3% 44.6%
1972 22.4% 45%
1971 22.6% 45.2%
1970 22.8% 45.5%
1969 23% 45.7%
1968 23.2% 45.8%
1967 23.4% 45.9%
1966 23.8% 46%
1965 24.2% 46%
1964 24.7% 46%
1963 25.1% 46%
1962 25.4% 46.1%
1961 25.8% 46.2%
1960 26.1% 46.3%

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/bulgaria/paraguay | CC BY

Children aged 0-14 make up 14.5% of the population in Bulgaria and 28.6% in Paraguay in 2024, compared to 20.3% and 41.5% respectively in 1990.

Demographics of Bulgaria and Paraguay compared.

Fertility rates around the globe

1x

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

GeoRank.org/birth-rate/bulgaria/paraguay | CC BY

Maternal mortality chart: Bulgaria vs Paraguay

Bulgaria
Paraguay
1x
Year Maternal mortality per 100K births
Bulgaria Paraguay
2023 6 58
2022 10 78
2021 9 140
2020 9 69
2019 6 58
2018 7 58
2017 7 58
2016 7 60
2015 7 64
2014 7 70
2013 7 84
2012 7 100
2011 8 120
2010 9 136
2009 9 152
2008 10 166
2007 11 177
2006 12 186
2005 13 194
2004 14 199
2003 14 203
2002 15 206
2001 17 207
2000 19 207
1999 20 207
1998 20 207
1997 23 205
1996 22 203
1995 23 202
1994 25 201
1993 23 197
1992 25 195
1991 25 192
1990 27 198
1989 25 209
1988 26 220
1987 25 225
1986 25 230
1985 26 237

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

GeoRank.org/birth-rate/bulgaria/paraguay | CC BY

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 6 deaths per 100,000 live births in Bulgaria, compared to 58 deaths in Paraguay.

Under-five mortality rates

Bulgaria
Paraguay

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Bulgaria Paraguay
2023 0.61% 1.7%
2022 0.62% 1.76%
2021 0.63% 1.82%
2020 0.65% 1.88%
2019 0.67% 1.94%
2018 0.7% 2.01%
2017 0.73% 2.08%
2016 0.77% 2.15%
2015 0.82% 2.22%
2014 0.87% 2.3%
2013 0.93% 2.37%
2012 0.99% 2.44%
2011 1.04% 2.51%
2010 1.08% 2.59%
2009 1.12% 2.67%
2008 1.14% 2.75%
2007 1.18% 2.83%
2006 1.24% 2.91%
2005 1.33% 2.99%
2004 1.42% 3.07%
2003 1.51% 3.14%
2002 1.6% 3.22%
2001 1.68% 3.29%
2000 1.75% 3.36%
1999 1.82% 3.45%
1998 1.89% 3.53%
1997 1.93% 3.62%
1996 1.94% 3.72%
1995 1.92% 3.83%
1994 1.91% 3.95%
1993 1.92% 4.08%
1992 1.92% 4.23%
1991 1.89% 4.38%
1990 1.83% 4.55%
1989 1.79% 4.73%
1988 1.78% 4.92%
1987 1.8% 5.1%
1986 1.87% 5.3%
1985 1.97% 5.5%
1984 2.07% 5.71%
1983 2.15% 5.92%
1982 2.22% 6.14%
1981 2.3% 6.35%
1980 2.38% 6.55%
1979 2.49% 6.74%
1978 2.6% 6.91%
1977 2.72% 7.06%
1976 2.8% 7.21%
1975 2.86% 7.34%
1974 2.91% 7.46%
1973 2.95% 7.57%
1972 3.01% 7.66%
1971 3.11% 7.73%
1970 3.25% 7.79%
1969 3.4% 7.84%
1968 3.54% 7.88%
1967 3.64% 7.91%
1966 3.7% 7.94%
1965 3.75% 7.96%
1964 3.86% 7.99%
1963 4.08% 8.02%
1962 4.43% 8.06%
1961 4.89% 8.11%
1960 5.47% 8.18%

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

GeoRank.org/birth-rate/bulgaria/paraguay | CC BY

The chance that a newborn baby will die before reaching age five is 0.61% in Bulgaria and 1.7% in Paraguay. 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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