Fertility & birth rates in Bulgaria and United Kingdom

Fertility rate in Bulgaria vs United Kingdom by year

Chart Table

Bulgaria

United Kingdom

1x

Year	Fertility rate
	Bulgaria	United Kingdom
2023	1.81	1.56
2022	1.78	1.56
2021	1.8	1.58
2020	1.77	1.57
2019	1.79	1.63
2018	1.73	1.68
2017	1.71	1.74
2016	1.67	1.79
2015	1.64	1.8
2014	1.62	1.81
2013	1.54	1.83
2012	1.5	1.92
2011	1.51	1.91
2010	1.57	1.92
2009	1.66	1.89
2008	1.56	1.91
2007	1.49	1.86
2006	1.44	1.82
2005	1.37	1.76
2004	1.33	1.75
2003	1.26	1.7
2002	1.23	1.63
2001	1.21	1.63
2000	1.26	1.64
1999	1.23	1.68
1998	1.11	1.71
1997	1.09	1.72
1996	1.23	1.73
1995	1.23	1.71
1994	1.37	1.74
1993	1.46	1.76
1992	1.55	1.79
1991	1.66	1.82
1990	1.82	1.83
1989	1.9	1.79
1988	1.97	1.82
1987	1.96	1.81
1986	2.02	1.78
1985	1.97	1.79
1984	2.01	1.77
1983	2.01	1.77
1982	2.01	1.78
1981	2	1.82
1980	2.05	1.9
1979	2.16	1.86
1978	2.15	1.75
1977	2.21	1.69
1976	2.24	1.74
1975	2.23	1.81
1974	2.29	1.92
1973	2.15	2.04
1972	2.03	2.2
1971	2.1	2.41
1970	2.17	2.44
1969	2.27	2.51
1968	2.27	2.6
1967	2.02	2.68
1966	2.03	2.78
1965	2.09	2.86
1964	2.19	2.93
1963	2.21	2.88
1962	2.24	2.86
1961	2.29	2.78
1960	2.31	2.69

According to the latest available data on birth rates, the fertility rate in Bulgaria was 1.81 children per woman in 2023, compared to 1.56 in the United Kingdom in 2023. The replacement level is considered to be 2.1 children per woman.

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

Natural population change by year

Chart Table

Bulgaria

United Kingdom

1x

Year	Natural population change
	Bulgaria	United Kingdom
2023	-43,837	34,589
2022	-62,065	39,751
2021	-90,452	30,612
2020	-65,507	-4,272
2019	-46,317	108,342
2018	-46,304	119,321
2017	-45,583	145,125
2016	-42,744	177,139
2015	-44,699	175,738
2014	-41,027	206,784
2013	-37,948	198,830
2012	-40,183	248,473
2011	-37,477	259,361
2010	-34,759	251,066
2009	-26,800	230,422
2008	-32,967	216,325
2007	-37,727	196,232
2006	-39,526	176,455
2005	-42,124	144,963
2004	-40,128	131,974
2003	-44,319	89,471
2002	-46,240	65,308
2001	-44,050	65,032
2000	-41,668	70,671
1999	-39,411	64,551
1998	-52,844	87,730
1997	-58,185	99,138
1996	-45,159	98,884
1995	-42,030	87,028
1994	-32,086	127,304
1993	-24,569	103,893
1992	-18,789	149,709
1991	-14,675	143,562
1990	-3,487	154,569
1989	5,326	119,861
1988	9,879	136,628
1987	8,971	136,325
1986	16,125	90,690
1985	11,649	79,170
1984	20,610	84,633
1983	21,455	61,966
1982	24,077	56,314
1981	29,341	73,234
1980	30,129	95,734
1979	40,599	61,872
1978	44,070	16,859
1977	47,543	0
1976	56,055	-5,621
1975	54,941	33,735
1974	64,223	67,476
1973	57,760	112,389
1972	47,169	162,650
1971	52,925	257,123
1970	61,125	244,918
1969	63,256	260,577
1968	69,468	292,622
1967	49,861	346,145
1966	54,504	333,356
1965	58,249	364,132
1964	66,783	405,000
1963	66,241	337,995
1962	64,104	340,800
1961	75,460	311,519
1960	76,314	314,400

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 +0.05% in the United Kingdom.

For the past 10 years, the annual natural population change has been -0.79% in Bulgaria and +0.16% in the United Kingdom.

Birth rate in Bulgaria vs United Kingdom by year

Chart Table

Bulgaria

United Kingdom

Annual births per 1,000 people

1x

Year	Annual births per 1,000 people
	Bulgaria	United Kingdom
2023	8.9	10
2022	8.8	10.1
2021	9	10.2
2020	9	10.2
2019	9.3	10.6
2018	9.3	11
2017	9.4	11.4
2016	9.4	11.8
2015	9.4	11.9
2014	9.6	12
2013	9.3	12.1
2012	9.5	12.8
2011	9.6	12.8
2010	10.2	12.9
2009	10.9	12.7
2008	10.4	12.9
2007	10	12.6
2006	9.7	12.3
2005	9.3	12
2004	9.1	11.9
2003	8.7	11.7
2002	8.5	11.3
2001	8.5	11.3
2000	9	11.5
1999	8.8	11.9
1998	7.9	12.3
1997	7.7	12.5
1996	8.6	12.6
1995	8.6	12.6
1994	9.4	13
1993	10	13.2
1992	10.4	13.6
1991	11.1	13.8
1990	12.1	13.9
1989	12.6	13.6
1988	13.1	13.8
1987	13	13.7
1986	13.4	13.3
1985	13.3	13.3
1984	13.6	12.9
1983	13.8	12.8
1982	13.9	12.8
1981	14	13
1980	14.5	13.4
1979	15.3	13.1
1978	15.5	12.2
1977	16.1	11.7
1976	16.5	12
1975	16.6	12.4
1974	17.2	13.1
1973	16.2	13.9
1972	15.3	14.9
1971	15.9	16.1
1970	16.3	16.2
1969	17	16.6
1968	16.9	17.2
1967	15	17.5
1966	14.9	17.9
1965	15.3	18.3
1964	16.1	18.8
1963	16.4	18.5
1962	16.7	18.3
1961	17.4	17.9
1960	17.8	17.5

The latest reported birth rate per 1,000 people in 2023 was 8.9 in Bulgaria and 10 in the United Kingdom, compared with 17.8 and 17.5, respectively, in 1960.

Children 0-14 years as share of population

Chart Table

Bulgaria

Factual

UN forecast

United Kingdom

Factual

UN forecast

1x

Year	Young
	Bulgaria	United Kingdom
2100	13%	13.4%
2099	13.1%	13.4%
2098	13.1%	13.4%
2097	13.1%	13.5%
2096	13.2%	13.5%
2095	13.2%	13.6%
2094	13.3%	13.6%
2093	13.4%	13.7%
2092	13.4%	13.7%
2091	13.4%	13.8%
2090	13.5%	13.8%
2089	13.5%	13.8%
2088	13.6%	13.9%
2087	13.6%	13.9%
2086	13.6%	13.9%
2085	13.6%	13.9%
2084	13.6%	13.9%
2083	13.6%	13.9%
2082	13.6%	13.9%
2081	13.6%	13.9%
2080	13.6%	13.9%
2079	13.6%	13.8%
2078	13.6%	13.8%
2077	13.6%	13.8%
2076	13.6%	13.8%
2075	13.5%	13.8%
2074	13.5%	13.8%
2073	13.5%	13.8%
2072	13.5%	13.8%
2071	13.5%	13.8%
2070	13.5%	13.8%
2069	13.6%	13.8%
2068	13.6%	13.9%
2067	13.6%	13.9%
2066	13.6%	14%
2065	13.6%	14.1%
2064	13.7%	14.2%
2063	13.7%	14.3%
2062	13.7%	14.4%
2061	13.8%	14.5%
2060	13.8%	14.5%
2059	13.8%	14.6%
2058	13.9%	14.7%
2057	13.9%	14.8%
2056	13.9%	14.9%
2055	13.9%	15%
2054	13.9%	15%
2053	13.9%	15%
2052	13.9%	15.1%
2051	13.8%	15.1%
2050	13.8%	15.1%
2049	13.8%	15%
2048	13.7%	15%
2047	13.7%	15%
2046	13.6%	14.9%
2045	13.6%	14.9%
2044	13.6%	14.9%
2043	13.6%	14.8%
2042	13.6%	14.8%
2041	13.6%	14.8%
2040	13.6%	14.8%
2039	13.6%	14.8%
2038	13.7%	14.9%
2037	13.7%	14.9%
2036	13.7%	14.9%
2035	13.7%	15%
2034	13.8%	15.1%
2033	13.8%	15.3%
2032	13.9%	15.4%
2031	14%	15.6%
2030	14.1%	15.9%
2029	14.2%	16.1%
2028	14.2%	16.3%
2027	14.3%	16.6%
2026	14.4%	16.8%
2025	14.4%	17.1%
2024	14.5%	17.2%
2023	14.5%	17.4%
2022	14.5%	17.6%
2021	14.5%	17.8%
2020	14.4%	18%
2019	14.4%	18%
2018	14.3%	18.1%
2017	14.2%	18%
2016	14%	18%
2015	13.9%	17.9%
2014	13.8%	17.8%
2013	13.7%	17.8%
2012	13.6%	17.8%
2011	13.5%	17.7%
2010	13.5%	17.8%
2009	13.4%	17.8%
2008	13.3%	17.8%
2007	13.4%	17.9%
2006	13.5%	18%
2005	13.7%	18.2%
2004	14%	18.3%
2003	14.4%	18.4%
2002	14.8%	18.5%
2001	15.2%	18.7%
2000	15.7%	18.9%
1999	16.1%	19.2%
1998	16.5%	19.3%
1997	17%	19.3%
1996	17.4%	19.4%
1995	17.9%	19.5%
1994	18.3%	19.6%
1993	18.8%	19.5%
1992	19.3%	19.4%
1991	19.8%	19.3%
1990	20.3%	19.1%
1989	20.8%	19.1%
1988	21.1%	18.9%
1987	21.3%	18.9%
1986	21.4%	19.1%
1985	21.6%	19.3%
1984	21.8%	19.5%
1983	22%	19.8%
1982	22.1%	20.2%
1981	22.1%	20.6%
1980	22.1%	21%
1979	22.1%	21.4%
1978	22.2%	21.9%
1977	22.2%	22.4%
1976	22.3%	22.9%
1975	22.3%	23.3%
1974	22.2%	23.6%
1973	22.3%	23.9%
1972	22.4%	24%
1971	22.6%	24.1%
1970	22.8%	24.1%
1969	23%	24%
1968	23.2%	23.9%
1967	23.4%	23.7%
1966	23.8%	23.5%
1965	24.2%	23.4%
1964	24.7%	23.3%
1963	25.1%	23.2%
1962	25.4%	23.2%
1961	25.8%	23.3%
1960	26.1%	23.3%

Children aged 0-14 make up 14.5% of the population in Bulgaria and 17.2% in the United Kingdom in 2024, compared to 20.3% and 19.1% respectively in 1990.

Demographics of Bulgaria and the United Kingdom compared.

Maternal mortality chart: Bulgaria vs United Kingdom

Chart Table

Bulgaria

United Kingdom

1x

Year	Maternal mortality per 100K births
	Bulgaria	United Kingdom
2023	6	8
2022	10	15
2021	9	13
2020	9	14
2019	6	9
2018	7	9
2017	7	9
2016	7	9
2015	7	9
2014	7	9
2013	7	9
2012	7	9
2011	8	10
2010	9	10
2009	9	11
2008	10	11
2007	11	11
2006	12	12
2005	13	12
2004	14	13
2003	14	14
2002	15	13
2001	17	13
2000	19	12
1999	20	11
1998	20	10
1997	23	9
1996	22	8
1995	23	9
1994	25	9
1993	23	8
1992	25	7
1991	25	7
1990	27	6
1989	25	5
1988	26	4
1987	25	3
1986	25	2
1985	26	2

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 8 deaths in the United Kingdom.

Under-five mortality rates

Chart Table

Bulgaria

United Kingdom

Probability that a newborn baby will die before reaching age five

1x

Year	Under 5 mortality rate
	Bulgaria	United Kingdom
2023	0.61%	0.45%
2022	0.62%	0.45%
2021	0.63%	0.44%
2020	0.65%	0.44%
2019	0.67%	0.44%
2018	0.7%	0.44%
2017	0.73%	0.44%
2016	0.77%	0.44%
2015	0.82%	0.45%
2014	0.87%	0.45%
2013	0.93%	0.46%
2012	0.99%	0.48%
2011	1.04%	0.5%
2010	1.08%	0.52%
2009	1.12%	0.54%
2008	1.14%	0.56%
2007	1.18%	0.58%
2006	1.24%	0.59%
2005	1.33%	0.6%
2004	1.42%	0.61%
2003	1.51%	0.63%
2002	1.6%	0.63%
2001	1.68%	0.64%
2000	1.75%	0.65%
1999	1.82%	0.67%
1998	1.89%	0.68%
1997	1.93%	0.69%
1996	1.94%	0.7%
1995	1.92%	0.72%
1994	1.91%	0.74%
1993	1.92%	0.77%
1992	1.92%	0.82%
1991	1.89%	0.87%
1990	1.83%	0.93%
1989	1.79%	0.99%
1988	1.78%	1.04%
1987	1.8%	1.08%
1986	1.87%	1.11%
1985	1.97%	1.14%
1984	2.07%	1.17%
1983	2.15%	1.22%
1982	2.22%	1.27%
1981	2.3%	1.34%
1980	2.38%	1.41%
1979	2.49%	1.49%
1978	2.6%	1.57%
1977	2.72%	1.64%
1976	2.8%	1.72%
1975	2.86%	1.8%
1974	2.91%	1.87%
1973	2.95%	1.94%
1972	3.01%	2%
1971	3.11%	2.06%
1970	3.25%	2.1%
1969	3.4%	2.14%
1968	3.54%	2.18%
1967	3.64%	2.22%
1966	3.7%	2.28%
1965	3.75%	2.34%
1964	3.86%	2.42%
1963	4.08%	2.49%
1962	4.43%	2.56%
1961	4.89%	2.61%
1960	5.47%	2.66%

The chance that a newborn baby will die before reaching age five is 0.61% in Bulgaria and 0.45% in the United Kingdom. Above is a chart with historical data on under-five mortality rates.