Fertility & birth rates in Bulgaria and Japan

Fertility rate in Bulgaria vs Japan by year

Chart Table

Bulgaria

Japan

1x

Year	Fertility rate
	Bulgaria	Japan
2023	1.81	1.2
2022	1.78	1.26
2021	1.8	1.3
2020	1.77	1.33
2019	1.79	1.36
2018	1.73	1.42
2017	1.71	1.43
2016	1.67	1.44
2015	1.64	1.45
2014	1.62	1.42
2013	1.54	1.43
2012	1.5	1.41
2011	1.51	1.39
2010	1.57	1.39
2009	1.66	1.37
2008	1.56	1.37
2007	1.49	1.34
2006	1.44	1.32
2005	1.37	1.26
2004	1.33	1.29
2003	1.26	1.29
2002	1.23	1.32
2001	1.21	1.33
2000	1.26	1.36
1999	1.23	1.34
1998	1.11	1.38
1997	1.09	1.39
1996	1.23	1.43
1995	1.23	1.42
1994	1.37	1.5
1993	1.46	1.46
1992	1.55	1.5
1991	1.66	1.53
1990	1.82	1.54
1989	1.9	1.57
1988	1.97	1.66
1987	1.96	1.69
1986	2.02	1.72
1985	1.97	1.76
1984	2.01	1.81
1983	2.01	1.8
1982	2.01	1.77
1981	2	1.74
1980	2.05	1.75
1979	2.16	1.77
1978	2.15	1.79
1977	2.21	1.8
1976	2.24	1.85
1975	2.23	1.91
1974	2.29	2.05
1973	2.15	2.14
1972	2.03	2.14
1971	2.1	2.16
1970	2.17	2.13
1969	2.27	2.13
1968	2.27	2.13
1967	2.02	2.23
1966	2.03	1.58
1965	2.09	2.14
1964	2.19	2.05
1963	2.21	2
1962	2.24	1.98
1961	2.29	1.96
1960	2.31	2

According to the latest available data on birth rates, the fertility rate in Bulgaria was 1.81 children per woman in 2023, compared to 1.2 in Japan in 2023. The replacement level is considered to be 2.1 children per woman.

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

Natural population change by year

Chart Table

Bulgaria

Japan

1x

Year	Natural population change
	Bulgaria	Japan
2023	-43,837	-871,617
2022	-62,065	-825,825
2021	-90,452	-640,976
2020	-65,507	-542,923
2019	-46,317	-531,858
2018	-46,304	-456,520
2017	-45,583	-406,310
2016	-42,744	-343,106
2015	-44,699	-292,424
2014	-41,027	-267,279
2013	-37,948	-242,146
2012	-40,183	-229,733
2011	-37,477	-204,533
2010	-34,759	-128,070
2009	-26,800	-76,828
2008	-32,967	-51,225
2007	-37,727	-25,600
2006	-39,526	12,785
2005	-42,124	-25,554
2004	-40,128	76,656
2003	-44,319	114,946
2002	-46,240	178,423
2001	-44,050	203,438
2000	-41,668	228,317
1999	-39,411	202,610
1998	-52,844	265,440
1997	-58,185	277,325
1996	-45,159	314,392
1995	-42,030	276,039
1994	-32,086	363,017
1993	-24,569	312,073
1992	-18,789	360,833
1991	-14,675	396,685
1990	-3,487	407,478
1989	5,326	467,662
1988	9,879	527,085
1987	8,971	598,138
1986	16,125	631,706
1985	11,649	676,687
1984	20,610	756,523
1983	21,455	775,495
1982	24,077	805,664
1981	29,341	811,861
1980	30,129	864,372
1979	40,599	950,298
1978	44,070	1,011,234
1977	47,543	1,070,397
1976	56,055	1,127,750
1975	54,941	1,204,989
1974	64,223	1,332,960
1973	57,760	1,391,449
1972	47,169	1,372,006
1971	52,925	1,331,782
1970	61,125	1,230,496
1969	63,256	1,195,962
1968	69,468	1,191,930
1967	49,861	1,258,475
1966	54,504	682,072
1965	58,249	1,126,448
1964	66,783	1,046,553
1963	66,241	987,770
1962	64,104	901,864
1961	75,460	893,522
1960	76,314	894,874

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 -0.7% in Japan.

For the past 10 years, the annual natural population change has been -0.79% in Bulgaria and -0.41% in Japan.

Birth rate in Bulgaria vs Japan by year

Chart Table

Bulgaria

Japan

Annual births per 1,000 people

1x

Year	Annual births per 1,000 people
	Bulgaria	Japan
2023	8.9	6
2022	8.8	6.3
2021	9	6.6
2020	9	6.8
2019	9.3	7
2018	9.3	7.4
2017	9.4	7.6
2016	9.4	7.8
2015	9.4	8
2014	9.6	8
2013	9.3	8.2
2012	9.5	8.2
2011	9.6	8.3
2010	10.2	8.5
2009	10.9	8.5
2008	10.4	8.7
2007	10	8.6
2006	9.7	8.7
2005	9.3	8.4
2004	9.1	8.8
2003	8.7	8.9
2002	8.5	9.2
2001	8.5	9.3
2000	9	9.5
1999	8.8	9.4
1998	7.9	9.6
1997	7.7	9.5
1996	8.6	9.7
1995	8.6	9.6
1994	9.4	10
1993	10	9.6
1992	10.4	9.8
1991	11.1	9.9
1990	12.1	10
1989	12.6	10.2
1988	13.1	10.8
1987	13	11.1
1986	13.4	11.4
1985	13.3	11.9
1984	13.6	12.5
1983	13.8	12.7
1982	13.9	12.8
1981	14	13
1980	14.5	13.6
1979	15.3	14.2
1978	15.5	14.9
1977	16.1	15.5
1976	16.5	16.3
1975	16.6	17.1
1974	17.2	18.6
1973	16.2	19.4
1972	15.3	19.3
1971	15.9	19.2
1970	16.3	18.8
1969	17	18.5
1968	16.9	18.6
1967	15	19.4
1966	14.9	13.7
1965	15.3	18.6
1964	16.1	17.7
1963	16.4	17.3
1962	16.7	17
1961	17.4	16.9
1960	17.8	17.2

The latest reported birth rate per 1,000 people in 2023 was 8.9 in Bulgaria and 6 in Japan, compared with 17.8 and 17.2, respectively, in 1960.

Children 0-14 years as share of population

Chart Table

Bulgaria

Factual

UN forecast

Japan

Factual

UN forecast

1x

Year	Young
	Bulgaria	Japan
2100	13%	11.5%
2099	13.1%	11.5%
2098	13.1%	11.5%
2097	13.1%	11.5%
2096	13.2%	11.6%
2095	13.2%	11.6%
2094	13.3%	11.6%
2093	13.4%	11.7%
2092	13.4%	11.7%
2091	13.4%	11.8%
2090	13.5%	11.8%
2089	13.5%	11.8%
2088	13.6%	11.8%
2087	13.6%	11.9%
2086	13.6%	11.9%
2085	13.6%	11.8%
2084	13.6%	11.8%
2083	13.6%	11.8%
2082	13.6%	11.8%
2081	13.6%	11.7%
2080	13.6%	11.6%
2079	13.6%	11.6%
2078	13.6%	11.5%
2077	13.6%	11.4%
2076	13.6%	11.3%
2075	13.5%	11.2%
2074	13.5%	11.1%
2073	13.5%	11.1%
2072	13.5%	11%
2071	13.5%	10.9%
2070	13.5%	10.9%
2069	13.6%	10.8%
2068	13.6%	10.8%
2067	13.6%	10.8%
2066	13.6%	10.8%
2065	13.6%	10.8%
2064	13.7%	10.8%
2063	13.7%	10.8%
2062	13.7%	10.9%
2061	13.8%	10.9%
2060	13.8%	11%
2059	13.8%	11%
2058	13.9%	11.1%
2057	13.9%	11.1%
2056	13.9%	11.2%
2055	13.9%	11.2%
2054	13.9%	11.3%
2053	13.9%	11.3%
2052	13.9%	11.3%
2051	13.8%	11.3%
2050	13.8%	11.2%
2049	13.8%	11.2%
2048	13.7%	11.1%
2047	13.7%	11.1%
2046	13.6%	11%
2045	13.6%	10.9%
2044	13.6%	10.8%
2043	13.6%	10.7%
2042	13.6%	10.6%
2041	13.6%	10.5%
2040	13.6%	10.4%
2039	13.6%	10.3%
2038	13.7%	10.2%
2037	13.7%	10.1%
2036	13.7%	10.1%
2035	13.7%	10.1%
2034	13.8%	10.1%
2033	13.8%	10.1%
2032	13.9%	10.2%
2031	14%	10.3%
2030	14.1%	10.5%
2029	14.2%	10.6%
2028	14.2%	10.8%
2027	14.3%	11%
2026	14.4%	11.1%
2025	14.4%	11.3%
2024	14.5%	11.4%
2023	14.5%	11.6%
2022	14.5%	11.9%
2021	14.5%	12%
2020	14.4%	12.2%
2019	14.4%	12.4%
2018	14.3%	12.5%
2017	14.2%	12.6%
2016	14%	12.7%
2015	13.9%	12.8%
2014	13.8%	13%
2013	13.7%	13.1%
2012	13.6%	13.2%
2011	13.5%	13.3%
2010	13.5%	13.4%
2009	13.4%	13.5%
2008	13.3%	13.5%
2007	13.4%	13.6%
2006	13.5%	13.7%
2005	13.7%	13.8%
2004	14%	13.8%
2003	14.4%	13.9%
2002	14.8%	14.1%
2001	15.2%	14.2%
2000	15.7%	14.4%
1999	16.1%	14.6%
1998	16.5%	14.8%
1997	17%	15.1%
1996	17.4%	15.3%
1995	17.9%	15.6%
1994	18.3%	16%
1993	18.8%	16.4%
1992	19.3%	16.9%
1991	19.8%	17.4%
1990	20.3%	18%
1989	20.8%	18.8%
1988	21.1%	19.5%
1987	21.3%	20.3%
1986	21.4%	21%
1985	21.6%	21.7%
1984	21.8%	22.2%
1983	22%	22.6%
1982	22.1%	23.1%
1981	22.1%	23.3%
1980	22.1%	23.4%
1979	22.1%	23.7%
1978	22.2%	23.8%
1977	22.2%	23.9%
1976	22.3%	23.9%
1975	22.3%	23.8%
1974	22.2%	23.8%
1973	22.3%	23.6%
1972	22.4%	23.4%
1971	22.6%	23.3%
1970	22.8%	23.3%
1969	23%	23.4%
1968	23.2%	23.5%
1967	23.4%	23.8%
1966	23.8%	24.4%
1965	24.2%	25.1%
1964	24.7%	25.8%
1963	25.1%	26.8%
1962	25.4%	28%
1961	25.8%	29.1%
1960	26.1%	29.8%

Children aged 0-14 make up 14.5% of the population in Bulgaria and 11.4% in Japan in 2024, compared to 20.3% and 18% respectively in 1990.

Demographics of Bulgaria and Japan compared.

Maternal mortality chart: Bulgaria vs Japan

Chart Table

Bulgaria

Japan

1x

Year	Maternal mortality per 100K births
	Bulgaria	Japan
2023	6	3
2022	10	5
2021	9	4
2020	9	4
2019	6	5
2018	7	5
2017	7	5
2016	7	5
2015	7	5
2014	7	5
2013	7	5
2012	7	6
2011	8	6
2010	9	6
2009	9	6
2008	10	6
2007	11	6
2006	12	7
2005	13	7
2004	14	7
2003	14	8
2002	15	8
2001	17	8
2000	19	9
1999	20	9
1998	20	10
1997	23	10
1996	22	11
1995	23	11
1994	25	11
1993	23	12
1992	25	13
1991	25	13
1990	27	14
1989	25	15
1988	26	16
1987	25	17
1986	25	18
1985	26	19

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 3 deaths in Japan.

Under-five mortality rates

Chart Table

Bulgaria

Japan

Probability that a newborn baby will die before reaching age five

1x

Year	Under 5 mortality rate
	Bulgaria	Japan
2023	0.61%	0.24%
2022	0.62%	0.24%
2021	0.63%	0.24%
2020	0.65%	0.24%
2019	0.67%	0.25%
2018	0.7%	0.25%
2017	0.73%	0.26%
2016	0.77%	0.27%
2015	0.82%	0.28%
2014	0.87%	0.29%
2013	0.93%	0.3%
2012	0.99%	0.31%
2011	1.04%	0.33%
2010	1.08%	0.33%
2009	1.12%	0.34%
2008	1.14%	0.34%
2007	1.18%	0.35%
2006	1.24%	0.36%
2005	1.33%	0.37%
2004	1.42%	0.39%
2003	1.51%	0.4%
2002	1.6%	0.41%
2001	1.68%	0.43%
2000	1.75%	0.45%
1999	1.82%	0.47%
1998	1.89%	0.5%
1997	1.93%	0.52%
1996	1.94%	0.55%
1995	1.92%	0.57%
1994	1.91%	0.59%
1993	1.92%	0.6%
1992	1.92%	0.61%
1991	1.89%	0.62%
1990	1.83%	0.63%
1989	1.79%	0.64%
1988	1.78%	0.66%
1987	1.8%	0.68%
1986	1.87%	0.71%
1985	1.97%	0.75%
1984	2.07%	0.79%
1983	2.15%	0.83%
1982	2.22%	0.88%
1981	2.3%	0.93%
1980	2.38%	0.99%
1979	2.49%	1.05%
1978	2.6%	1.11%
1977	2.72%	1.18%
1976	2.8%	1.25%
1975	2.86%	1.33%
1974	2.91%	1.41%
1973	2.95%	1.49%
1972	3.01%	1.57%
1971	3.11%	1.65%
1970	3.25%	1.75%
1969	3.4%	1.85%
1968	3.54%	1.96%
1967	3.64%	2.1%
1966	3.7%	2.26%
1965	3.75%	2.46%
1964	3.86%	2.7%
1963	4.08%	2.98%
1962	4.43%	3.29%
1961	4.89%	3.62%
1960	5.47%	3.97%

The chance that a newborn baby will die before reaching age five is 0.61% in Bulgaria and 0.24% in Japan. Above is a chart with historical data on under-five mortality rates.