Fertility & birth rates in Bulgaria and Kazakhstan

Fertility rate in Bulgaria vs Kazakhstan by year

Chart Table

Bulgaria

Kazakhstan

1x

Year	Fertility rate
	Bulgaria	Kazakhstan
2023	1.81	3.01
2022	1.78	3.05
2021	1.8	3.32
2020	1.77	3.13
2019	1.79	2.89
2018	1.73	2.85
2017	1.71	2.75
2016	1.67	2.8
2015	1.64	2.76
2014	1.62	2.76
2013	1.54	2.67
2012	1.5	2.64
2011	1.51	2.61
2010	1.57	2.61
2009	1.66	2.58
2008	1.56	2.62
2007	1.49	2.49
2006	1.44	2.38
2005	1.37	2.27
2004	1.33	2.2
2003	1.26	2.08
2002	1.23	1.96
2001	1.21	1.91
2000	1.26	1.9
1999	1.23	1.9
1998	1.11	1.94
1997	1.09	1.97
1996	1.23	2.08
1995	1.23	2.25
1994	1.37	2.38
1993	1.46	2.48
1992	1.55	2.58
1991	1.66	2.68
1990	1.82	2.75
1989	1.9	2.87
1988	1.97	3
1987	1.96	3.12
1986	2.02	3.19
1985	1.97	3.21
1984	2.01	3.15
1983	2.01	3.07
1982	2.01	3.02
1981	2	3.05
1980	2.05	3.09
1979	2.16	3.14
1978	2.15	3.16
1977	2.21	3.26
1976	2.24	3.33
1975	2.23	3.4
1974	2.29	3.45
1973	2.15	3.51
1972	2.03	3.55
1971	2.1	3.53
1970	2.17	3.51
1969	2.27	3.51
1968	2.27	3.63
1967	2.02	3.77
1966	2.03	3.82
1965	2.09	3.88
1964	2.19	4.07
1963	2.21	4.26
1962	2.24	4.36
1961	2.29	4.42
1960	2.31	4.5

According to the latest available data on birth rates, the fertility rate in Bulgaria was 1.81 children per woman in 2023, compared to 3.01 in Kazakhstan in 2023. The replacement level is considered to be 2.1 children per woman.

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

Natural population change by year

Chart Table

Bulgaria

Kazakhstan

1x

Year	Natural population change
	Bulgaria	Kazakhstan
2023	-43,837	273,013
2022	-62,065	277,019
2021	-90,452	269,026
2020	-65,507	272,458
2019	-46,317	278,788
2018	-46,304	278,917
2017	-45,583	268,066
2016	-42,744	277,878
2015	-44,699	273,523
2014	-41,027	274,406
2013	-37,948	259,239
2012	-40,183	249,987
2011	-37,477	237,883
2010	-34,759	230,479
2009	-26,800	218,036
2008	-32,967	214,169
2007	-37,727	188,486
2006	-39,526	166,480
2005	-42,124	146,619
2004	-40,128	132,286
2003	-44,319	112,137
2002	-46,240	93,564
2001	-44,050	84,279
2000	-41,668	80,699
1999	-39,411	79,536
1998	-52,844	85,735
1997	-58,185	92,778
1996	-45,159	112,384
1995	-42,030	140,721
1994	-32,086	165,631
1993	-24,569	185,649
1992	-18,789	204,785
1991	-14,675	221,581
1990	-3,487	235,113
1989	5,326	254,394
1988	9,879	275,278
1987	8,971	290,227
1986	16,125	295,818
1985	11,649	293,834
1984	20,610	278,485
1983	21,455	260,471
1982	24,077	246,983
1981	29,341	243,652
1980	30,129	238,977
1979	40,599	237,442
1978	44,070	225,895
1977	47,543	224,284
1976	56,055	221,992
1975	54,941	219,748
1974	64,223	217,668
1973	57,760	215,940
1972	47,169	212,319
1971	52,925	202,450
1970	61,125	191,775
1969	63,256	184,118
1968	69,468	186,254
1967	49,861	191,536
1966	54,504	191,506
1965	58,249	194,470
1964	66,783	208,899
1963	66,241	223,105
1962	64,104	228,177
1961	75,460	228,686
1960	76,314	226,027

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 +1.34% in Kazakhstan.

For the past 10 years, the annual natural population change has been -0.79% in Bulgaria and +1.44% in Kazakhstan.

Birth rate in Bulgaria vs Kazakhstan by year

Chart Table

Bulgaria

Kazakhstan

Annual births per 1,000 people

1x

Year	Annual births per 1,000 people
	Bulgaria	Kazakhstan
2023	8.9	20.1
2022	8.8	20.8
2021	9	23.3
2020	9	22.6
2019	9.3	21.4
2018	9.3	21.7
2017	9.4	21.4
2016	9.4	22.3
2015	9.4	22.5
2014	9.6	23
2013	9.3	22.6
2012	9.5	22.6
2011	9.6	22.5
2010	10.2	22.6
2009	10.9	22.4
2008	10.4	22.7
2007	10	21.5
2006	9.7	20.5
2005	9.3	19.4
2004	9.1	18.7
2003	8.7	17.5
2002	8.5	16.4
2001	8.5	15.9
2000	9	15.8
1999	8.8	15.8
1998	7.9	16.3
1997	7.7	16.5
1996	8.6	17.4
1995	8.6	18.7
1994	9.4	19.8
1993	10	20.5
1992	10.4	21.4
1991	11.1	22.2
1990	12.1	23
1989	12.6	24.2
1988	13.1	25.7
1987	13	27
1986	13.4	27.8
1985	13.3	28.2
1984	13.6	27.6
1983	13.8	26.9
1982	13.9	26.4
1981	14	26.6
1980	14.5	26.7
1979	15.3	25.7
1978	15.5	25.2
1977	16.1	25.5
1976	16.5	25.7
1975	16.6	25.9
1974	17.2	26.2
1973	16.2	26.4
1972	15.3	26.5
1971	15.9	26.2
1970	16.3	25.7
1969	17	25.5
1968	16.9	26.2
1967	15	27.3
1966	14.9	27.9
1965	15.3	28.9
1964	16.1	31.1
1963	16.4	33.4
1962	16.7	34.9
1961	17.4	36
1960	17.8	36.8

The latest reported birth rate per 1,000 people in 2023 was 8.9 in Bulgaria and 20.1 in Kazakhstan, compared with 17.8 and 36.8, respectively, in 1960.

Children 0-14 years as share of population

Chart Table

Bulgaria

Factual

UN forecast

Kazakhstan

Factual

UN forecast

1x

Year	Young
	Bulgaria	Kazakhstan
2100	13%	17.5%
2099	13.1%	17.6%
2098	13.1%	17.7%
2097	13.1%	17.8%
2096	13.2%	18%
2095	13.2%	18.1%
2094	13.3%	18.3%
2093	13.4%	18.4%
2092	13.4%	18.6%
2091	13.4%	18.8%
2090	13.5%	18.9%
2089	13.5%	19.1%
2088	13.6%	19.2%
2087	13.6%	19.4%
2086	13.6%	19.5%
2085	13.6%	19.6%
2084	13.6%	19.8%
2083	13.6%	19.9%
2082	13.6%	20%
2081	13.6%	20%
2080	13.6%	20.1%
2079	13.6%	20.2%
2078	13.6%	20.3%
2077	13.6%	20.3%
2076	13.6%	20.4%
2075	13.5%	20.5%
2074	13.5%	20.6%
2073	13.5%	20.7%
2072	13.5%	20.8%
2071	13.5%	20.9%
2070	13.5%	21%
2069	13.6%	21.2%
2068	13.6%	21.4%
2067	13.6%	21.5%
2066	13.6%	21.7%
2065	13.6%	22%
2064	13.7%	22.2%
2063	13.7%	22.4%
2062	13.7%	22.7%
2061	13.8%	22.9%
2060	13.8%	23.2%
2059	13.8%	23.4%
2058	13.9%	23.7%
2057	13.9%	23.9%
2056	13.9%	24.1%
2055	13.9%	24.3%
2054	13.9%	24.4%
2053	13.9%	24.5%
2052	13.9%	24.6%
2051	13.8%	24.7%
2050	13.8%	24.7%
2049	13.8%	24.7%
2048	13.7%	24.7%
2047	13.7%	24.7%
2046	13.6%	24.7%
2045	13.6%	24.6%
2044	13.6%	24.6%
2043	13.6%	24.5%
2042	13.6%	24.5%
2041	13.6%	24.6%
2040	13.6%	24.6%
2039	13.6%	24.7%
2038	13.7%	24.9%
2037	13.7%	25.2%
2036	13.7%	25.6%
2035	13.7%	25.9%
2034	13.8%	26.3%
2033	13.8%	26.6%
2032	13.9%	27%
2031	14%	27.3%
2030	14.1%	27.7%
2029	14.2%	28%
2028	14.2%	28.4%
2027	14.3%	28.7%
2026	14.4%	29%
2025	14.4%	29.3%
2024	14.5%	29.4%
2023	14.5%	29.5%
2022	14.5%	29.6%
2021	14.5%	29.5%
2020	14.4%	29.2%
2019	14.4%	29%
2018	14.3%	28.8%
2017	14.2%	28.5%
2016	14%	28.1%
2015	13.9%	27.7%
2014	13.8%	27.2%
2013	13.7%	26.7%
2012	13.6%	26.2%
2011	13.5%	25.7%
2010	13.5%	25.4%
2009	13.4%	25.1%
2008	13.3%	24.9%
2007	13.4%	24.7%
2006	13.5%	24.7%
2005	13.7%	24.8%
2004	14%	25.1%
2003	14.4%	25.6%
2002	14.8%	26.2%
2001	15.2%	26.9%
2000	15.7%	27.6%
1999	16.1%	28.3%
1998	16.5%	29%
1997	17%	29.6%
1996	17.4%	30.1%
1995	17.9%	30.5%
1994	18.3%	30.8%
1993	18.8%	31.1%
1992	19.3%	31.4%
1991	19.8%	31.6%
1990	20.3%	31.7%
1989	20.8%	31.9%
1988	21.1%	32.1%
1987	21.3%	32.4%
1986	21.4%	32.6%
1985	21.6%	32.6%
1984	21.8%	32.6%
1983	22%	32.6%
1982	22.1%	32.7%
1981	22.1%	32.8%
1980	22.1%	33%
1979	22.1%	32.9%
1978	22.2%	32.8%
1977	22.2%	33.1%
1976	22.3%	33.3%
1975	22.3%	33.6%
1974	22.2%	34.1%
1973	22.3%	34.7%
1972	22.4%	35.2%
1971	22.6%	35.6%
1970	22.8%	36.1%
1969	23%	36.5%
1968	23.2%	37%
1967	23.4%	37.4%
1966	23.8%	37.8%
1965	24.2%	38.1%
1964	24.7%	38.4%
1963	25.1%	38.5%
1962	25.4%	38.4%
1961	25.8%	38%
1960	26.1%	37.2%

Children aged 0-14 make up 14.5% of the population in Bulgaria and 29.4% in Kazakhstan in 2024, compared to 20.3% and 31.7% respectively in 1990.

Demographics of Bulgaria and Kazakhstan compared.

Maternal mortality chart: Bulgaria vs Kazakhstan

Chart Table

Bulgaria

Kazakhstan

1x

Year	Maternal mortality per 100K births
	Bulgaria	Kazakhstan
2023	6	10
2022	10	14
2021	9	23
2020	9	18
2019	6	11
2018	7	11
2017	7	12
2016	7	12
2015	7	13
2014	7	14
2013	7	15
2012	7	17
2011	8	19
2010	9	22
2009	9	25
2008	10	28
2007	11	32
2006	12	35
2005	13	38
2004	14	41
2003	14	45
2002	15	48
2001	17	53
2000	19	58
1999	20	63
1998	20	68
1997	23	71
1996	22	72
1995	23	72
1994	25	70
1993	23	67
1992	25	65
1991	25	64
1990	27	64
1989	25	64
1988	26	65
1987	25	66
1986	25	67
1985	26	68

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 10 deaths in Kazakhstan.

Under-five mortality rates

Chart Table

Bulgaria

Kazakhstan

Probability that a newborn baby will die before reaching age five

1x

Year	Under 5 mortality rate
	Bulgaria	Kazakhstan
2023	0.61%	0.96%
2022	0.62%	0.98%
2021	0.63%	1%
2020	0.65%	1.01%
2019	0.67%	1.02%
2018	0.7%	1.03%
2017	0.73%	1.05%
2016	0.77%	1.1%
2015	0.82%	1.19%
2014	0.87%	1.3%
2013	0.93%	1.46%
2012	0.99%	1.63%
2011	1.04%	1.83%
2010	1.08%	2.04%
2009	1.12%	2.25%
2008	1.14%	2.47%
2007	1.18%	2.69%
2006	1.24%	2.9%
2005	1.33%	3.12%
2004	1.42%	3.33%
2003	1.51%	3.54%
2002	1.6%	3.76%
2001	1.68%	3.99%
2000	1.75%	4.25%
1999	1.82%	4.51%
1998	1.89%	4.76%
1997	1.93%	4.99%
1996	1.94%	5.16%
1995	1.92%	5.26%
1994	1.91%	5.28%
1993	1.92%	5.23%
1992	1.92%	5.16%
1991	1.89%	5.13%
1990	1.83%	5.16%
1989	1.79%	5.23%
1988	1.78%	5.37%
1987	1.8%	5.54%
1986	1.87%	5.73%
1985	1.97%	5.94%
1984	2.07%	6.16%
1983	2.15%	6.38%
1982	2.22%	6.6%
1981	2.3%	6.83%
1980	2.38%	7.05%
1979	2.49%	7.24%
1978	2.6%	7.39%
1977	2.72%	7.53%
1976	2.8%	7.66%
1975	2.86%	7.8%
1974	2.91%	7.96%
1973	2.95%	8.14%
1972	3.01%	8.33%
1971	3.11%	8.54%
1970	3.25%	-
1969	3.4%	-
1968	3.54%	-
1967	3.64%	-
1966	3.7%	-
1965	3.75%	-
1964	3.86%	-
1963	4.08%	-
1962	4.43%	-
1961	4.89%	-
1960	5.47%	-

The chance that a newborn baby will die before reaching age five is 0.61% in Bulgaria and 0.96% in Kazakhstan. Above is a chart with historical data on under-five mortality rates.