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Fertility & birth rates in Bulgaria and Sri Lanka

Updated on by Georank team

Bulgaria has an annual birth rate of 8.9 births per 1,000 people, compared to 11.2 for Sri Lanka. The average number of children a woman is expected to have during her lifetime — the fertility rate, is 1.81 in Bulgaria and 1.97 in Sri Lanka — 9.06% difference.

1960 vs 2023, the fertility rate has decreased by 21.6% in Bulgaria and by 63.1% in Sri Lanka — in 1960, it was 2.31 and 5.35, respectively.

  • Bulgaria is ranked 165/196 by birth rate compared to 125/196 for Sri Lanka.
  • The mean age for first-time mothers is 26.9 years in Bulgaria, compared to 25.6 years in Sri Lanka.
  • The mean age at childbearing (for all the births, not just the first) is 28.3 in Bulgaria — it's 29.7 in Sri Lanka.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 39.1 in Bulgaria vs 15.1 in Sri Lanka.
  • In Bulgaria, 20.7% of the population is composed of women of reproductive age (15-49), compared to 25.1% in Sri Lanka.

Fertility rate in Bulgaria vs Sri Lanka by year

Bulgaria
Sri Lanka
1x
Year Fertility rate
Bulgaria Sri Lanka
2023 1.81 1.97
2022 1.78 1.98
2021 1.8 2
2020 1.77 2.01
2019 1.79 2.02
2018 1.73 2.03
2017 1.71 2.04
2016 1.67 2.06
2015 1.64 2.09
2014 1.62 2.13
2013 1.54 2.18
2012 1.5 2.17
2011 1.51 2.14
2010 1.57 2.13
2009 1.66 2.18
2008 1.56 2.23
2007 1.49 2.3
2006 1.44 2.29
2005 1.37 2.26
2004 1.33 2.27
2003 1.26 2.3
2002 1.23 2.31
2001 1.21 2.28
2000 1.26 2.21
1999 1.23 2.14
1998 1.11 2.14
1997 1.09 2.22
1996 1.23 2.29
1995 1.23 2.35
1994 1.37 2.4
1993 1.46 2.44
1992 1.55 2.49
1991 1.66 2.51
1990 1.82 2.54
1989 1.9 2.58
1988 1.97 2.57
1987 1.96 2.64
1986 2.02 2.74
1985 1.97 2.9
1984 2.01 3.01
1983 2.01 3.11
1982 2.01 3.32
1981 2 3.65
1980 2.05 3.73
1979 2.16 3.82
1978 2.15 3.81
1977 2.21 3.74
1976 2.24 3.78
1975 2.23 3.82
1974 2.29 3.86
1973 2.15 4
1972 2.03 4.16
1971 2.1 4.27
1970 2.17 4.39
1969 2.27 4.5
1968 2.27 4.66
1967 2.02 4.79
1966 2.03 4.83
1965 2.09 4.93
1964 2.19 5.06
1963 2.21 5.12
1962 2.24 5.18
1961 2.29 5.24
1960 2.31 5.35

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

GeoRank.org/birth-rate/bulgaria/sri-lanka | 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 1.97 in Sri Lanka in 2023. The replacement level is considered to be 2.1 children per woman.

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

Natural population change by year

Bulgaria
Sri Lanka
1x
Year Natural population change
Bulgaria Sri Lanka
2023 -43,837 66,111
2022 -62,065 95,378
2021 -90,452 121,858
2020 -65,507 170,968
2019 -46,317 172,243
2018 -46,304 183,610
2017 -45,583 187,993
2016 -42,744 194,232
2015 -44,699 201,815
2014 -41,027 211,541
2013 -37,948 221,021
2012 -40,183 229,138
2011 -37,477 224,461
2010 -34,759 224,325
2009 -26,800 200,175
2008 -32,967 232,225
2007 -37,727 248,287
2006 -39,526 248,706
2005 -42,124 248,683
2004 -40,128 212,527
2003 -44,319 252,008
2002 -46,240 252,840
2001 -44,050 244,377
2000 -41,668 227,060
1999 -39,411 206,876
1998 -52,844 201,059
1997 -58,185 208,193
1996 -45,159 215,290
1995 -42,030 221,957
1994 -32,086 228,904
1993 -24,569 226,257
1992 -18,789 222,230
1991 -14,675 218,117
1990 -3,487 224,454
1989 5,326 212,401
1988 9,879 219,184
1987 8,971 226,414
1986 16,125 233,782
1985 11,649 247,836
1984 20,610 263,175
1983 21,455 277,768
1982 24,077 300,030
1981 29,341 328,096
1980 30,129 328,155
1979 40,599 329,791
1978 44,070 317,055
1977 47,543 300,038
1976 56,055 291,816
1975 54,941 282,496
1974 64,223 275,521
1973 57,760 278,577
1972 47,169 282,494
1971 52,925 281,200
1970 61,125 286,719
1969 63,256 286,218
1968 69,468 286,642
1967 49,861 284,738
1966 54,504 275,549
1965 58,249 272,422
1964 66,783 269,584
1963 66,241 262,880
1962 64,104 256,719
1961 75,460 251,087
1960 76,314 247,631

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

GeoRank.org/birth-rate/bulgaria/sri-lanka | 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 +0.3% in Sri Lanka.

For the past 10 years, the annual natural population change has been -0.79% in Bulgaria and +0.75% in Sri Lanka.

Birth rate in Bulgaria vs Sri Lanka by year

Bulgaria
Sri Lanka

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Bulgaria Sri Lanka
2023 8.9 11.2
2022 8.8 12.4
2021 9 12.9
2020 9 13.8
2019 9.3 14.6
2018 9.3 15.2
2017 9.4 15.4
2016 9.4 15.7
2015 9.4 16
2014 9.6 16.5
2013 9.3 17
2012 9.5 17.1
2011 9.6 17.1
2010 10.2 17.1
2009 10.9 17.6
2008 10.4 18.2
2007 10 18.8
2006 9.7 18.9
2005 9.3 18.7
2004 9.1 18.8
2003 8.7 19.1
2002 8.5 19.2
2001 8.5 19
2000 9 18.4
1999 8.8 17.9
1998 7.9 17.8
1997 7.7 18.5
1996 8.6 19
1995 8.6 19.6
1994 9.4 20
1993 10 20
1992 10.4 20.1
1991 11.1 20.2
1990 12.1 20.5
1989 12.6 20.6
1988 13.1 20.3
1987 13 20.8
1986 13.4 21.4
1985 13.3 22.4
1984 13.6 23.5
1983 13.8 24.4
1982 13.9 26
1981 14 28.1
1980 14.5 28.6
1979 15.3 29.3
1978 15.5 29
1977 16.1 28.3
1976 16.5 28.3
1975 16.6 28.2
1974 17.2 28.2
1973 16.2 28.9
1972 15.3 29.7
1971 15.9 30.2
1970 16.3 31.2
1969 17 31.8
1968 16.9 32.6
1967 15 33.2
1966 14.9 33.2
1965 15.3 33.8
1964 16.1 34.5
1963 16.4 34.7
1962 16.7 35.1
1961 17.4 35.6
1960 17.8 36.3

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

GeoRank.org/birth-rate/bulgaria/sri-lanka | CC BY

The latest reported birth rate per 1,000 people in 2023 was 8.9 in Bulgaria and 11.2 in Sri Lanka, compared with 17.8 and 36.3, respectively, in 1960.

Birth rate data compared

Bulgaria Sri Lanka
Fertility rate 1.81 1.97
Fertility rate rank 110/196 101/196
Birth rate 8.9 11.2
Birth rate rank 165/196 125/196
Population change due to births and deaths -43,837 +66,111
Natural population change rank 182/196 87/196
Natural population change rate -0.68% +0.3%
Population growth -0.08% -0.55%
Population growth rank 171/197 188/197
Age at first childbirth 26.9 years 25.6 years
Average age at childbearing 28.3 years 29.7 years
Annual births per 1,000 women ages 15-19 36 14.1
Annual births per 1,000 women ages 20-29 86.2 94.7
Annual births per 1,000 women ages 30+ 10.7 20.9
Female of reproductive age (15-49), share of population 20.7% 25.1%
Any modern method of contraceptive prevalence among married women ages 15-49 39.6% 53.6%
Share of births attended by skilled health staff 94.5% 99.5%
Maternal mortality per live birth 0.006% 0.02%
Neonatal mortality rate (before reaching 28 days of age) 0.26% 0.41%
Infant mortality rate (before reaching 1 year of age) 0.5% 0.53%
Mortality rate before reaching 5 years of age 0.61% 0.61%
Life expectancy 76.1 years 78 years

Children 0-14 years as share of population

Bulgaria
Factual

UN forecast
Sri Lanka
Factual

UN forecast
1x
Year Young
Bulgaria Sri Lanka
2100 13% 13.1%
2099 13.1% 13.1%
2098 13.1% 13.2%
2097 13.1% 13.2%
2096 13.2% 13.2%
2095 13.2% 13.3%
2094 13.3% 13.3%
2093 13.4% 13.4%
2092 13.4% 13.4%
2091 13.4% 13.5%
2090 13.5% 13.6%
2089 13.5% 13.7%
2088 13.6% 13.7%
2087 13.6% 13.8%
2086 13.6% 13.9%
2085 13.6% 14%
2084 13.6% 14%
2083 13.6% 14.1%
2082 13.6% 14.2%
2081 13.6% 14.3%
2080 13.6% 14.3%
2079 13.6% 14.4%
2078 13.6% 14.5%
2077 13.6% 14.5%
2076 13.6% 14.6%
2075 13.5% 14.6%
2074 13.5% 14.7%
2073 13.5% 14.7%
2072 13.5% 14.8%
2071 13.5% 14.9%
2070 13.5% 14.9%
2069 13.6% 15%
2068 13.6% 15%
2067 13.6% 15.1%
2066 13.6% 15.2%
2065 13.6% 15.3%
2064 13.7% 15.4%
2063 13.7% 15.5%
2062 13.7% 15.6%
2061 13.8% 15.7%
2060 13.8% 15.8%
2059 13.8% 16%
2058 13.9% 16.1%
2057 13.9% 16.3%
2056 13.9% 16.4%
2055 13.9% 16.6%
2054 13.9% 16.8%
2053 13.9% 16.9%
2052 13.9% 17.1%
2051 13.8% 17.2%
2050 13.8% 17.4%
2049 13.8% 17.5%
2048 13.7% 17.7%
2047 13.7% 17.8%
2046 13.6% 17.9%
2045 13.6% 18%
2044 13.6% 18.2%
2043 13.6% 18.3%
2042 13.6% 18.4%
2041 13.6% 18.5%
2040 13.6% 18.6%
2039 13.6% 18.7%
2038 13.7% 18.9%
2037 13.7% 19%
2036 13.7% 19.1%
2035 13.7% 19.3%
2034 13.8% 19.5%
2033 13.8% 19.7%
2032 13.9% 19.9%
2031 14% 20.1%
2030 14.1% 20.3%
2029 14.2% 20.6%
2028 14.2% 20.9%
2027 14.3% 21.2%
2026 14.4% 21.5%
2025 14.4% 21.9%
2024 14.5% 22%
2023 14.5% 22.4%
2022 14.5% 22.7%
2021 14.5% 23%
2020 14.4% 23.3%
2019 14.4% 23.7%
2018 14.3% 24%
2017 14.2% 24.2%
2016 14% 24.5%
2015 13.9% 24.7%
2014 13.8% 24.9%
2013 13.7% 25%
2012 13.6% 25.2%
2011 13.5% 25.3%
2010 13.5% 25.4%
2009 13.4% 25.5%
2008 13.3% 25.6%
2007 13.4% 25.7%
2006 13.5% 25.7%
2005 13.7% 25.8%
2004 14% 26%
2003 14.4% 26.1%
2002 14.8% 26.3%
2001 15.2% 26.6%
2000 15.7% 27%
1999 16.1% 27.4%
1998 16.5% 27.8%
1997 17% 28.2%
1996 17.4% 28.6%
1995 17.9% 29.2%
1994 18.3% 29.9%
1993 18.8% 30.6%
1992 19.3% 31.4%
1991 19.8% 32.1%
1990 20.3% 32.5%
1989 20.8% 33%
1988 21.1% 33.5%
1987 21.3% 34%
1986 21.4% 34.6%
1985 21.6% 35.2%
1984 21.8% 35.5%
1983 22% 35.8%
1982 22.1% 36%
1981 22.1% 36.2%
1980 22.1% 36.4%
1979 22.1% 36.7%
1978 22.2% 36.9%
1977 22.2% 37.2%
1976 22.3% 37.6%
1975 22.3% 38%
1974 22.2% 38.4%
1973 22.3% 38.8%
1972 22.4% 39.2%
1971 22.6% 39.5%
1970 22.8% 39.7%
1969 23% 39.9%
1968 23.2% 40.1%
1967 23.4% 40.3%
1966 23.8% 40.4%
1965 24.2% 40.5%
1964 24.7% 40.6%
1963 25.1% 40.7%
1962 25.4% 40.8%
1961 25.8% 40.9%
1960 26.1% 41%

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/sri-lanka | CC BY

Children aged 0-14 make up 14.5% of the population in Bulgaria and 22% in Sri Lanka in 2024, compared to 20.3% and 32.5% respectively in 1990.

Demographics of Bulgaria and Sri Lanka compared.

Fertility rates around the globe

1x

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

GeoRank.org/birth-rate/bulgaria/sri-lanka | CC BY

Maternal mortality chart: Bulgaria vs Sri Lanka

Bulgaria
Sri Lanka
1x
Year Maternal mortality per 100K births
Bulgaria Sri Lanka
2023 6 18
2022 10 22
2021 9 34
2020 9 23
2019 6 20
2018 7 21
2017 7 21
2016 7 22
2015 7 22
2014 7 23
2013 7 23
2012 7 24
2011 8 25
2010 9 26
2009 9 28
2008 10 30
2007 11 31
2006 12 32
2005 13 32
2004 14 37
2003 14 35
2002 15 36
2001 17 37
2000 19 39
1999 20 41
1998 20 43
1997 23 45
1996 22 47
1995 23 48
1994 25 49
1993 23 51
1992 25 54
1991 25 57
1990 27 59
1989 25 61
1988 26 62
1987 25 64
1986 25 66
1985 26 68

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

GeoRank.org/birth-rate/bulgaria/sri-lanka | 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 18 deaths in Sri Lanka.

Under-five mortality rates

Bulgaria
Sri Lanka

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Bulgaria Sri Lanka
2023 0.61% 0.61%
2022 0.62% 0.64%
2021 0.63% 0.66%
2020 0.65% 0.69%
2019 0.67% 0.72%
2018 0.7% 0.76%
2017 0.73% 0.79%
2016 0.77% 0.83%
2015 0.82% 0.87%
2014 0.87% 0.92%
2013 0.93% 0.98%
2012 0.99% 1.03%
2011 1.04% 1.08%
2010 1.08% 1.12%
2009 1.12% 2.08%
2008 1.14% 1.2%
2007 1.18% 1.26%
2006 1.24% 1.33%
2005 1.33% 1.4%
2004 1.42% 2.88%
2003 1.51% 1.52%
2002 1.6% 1.55%
2001 1.68% 1.58%
2000 1.75% 1.63%
1999 1.82% 1.69%
1998 1.89% 1.76%
1997 1.93% 1.86%
1996 1.94% 1.95%
1995 1.92% 2.05%
1994 1.91% 2.14%
1993 1.92% 2.22%
1992 1.92% 2.29%
1991 1.89% 2.32%
1990 1.83% 2.33%
1989 1.79% 2.74%
1988 1.78% 2.41%
1987 1.8% 2.54%
1986 1.87% 2.74%
1985 1.97% 3.02%
1984 2.07% 3.35%
1983 2.15% 3.67%
1982 2.22% 3.98%
1981 2.3% 4.29%
1980 2.38% 4.63%
1979 2.49% 4.99%
1978 2.6% 5.38%
1977 2.72% 5.77%
1976 2.8% 6.12%
1975 2.86% 6.41%
1974 2.91% 6.62%
1973 2.95% 6.77%
1972 3.01% 6.86%
1971 3.11% 6.94%
1970 3.25% 7.02%
1969 3.4% 7.14%
1968 3.54% 7.32%
1967 3.64% 7.55%
1966 3.7% 7.81%
1965 3.75% 8.07%
1964 3.86% 8.3%
1963 4.08% 8.48%
1962 4.43% 8.66%
1961 4.89% 8.95%
1960 5.47% 9.41%

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

GeoRank.org/birth-rate/bulgaria/sri-lanka | CC BY

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