Fertility & birth rates in Bulgaria and New Zealand

Fertility rate in Bulgaria vs New Zealand chart

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 New Zealand in 2023. The replacement level is considered to be 2.1 children per woman.

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

The chart below showcases historical changes in the birth rates.

Table

Year	Fertility rate
	Bulgaria	New Zealand
1960	2.31	4.24
1961	2.29	4.31
1962	2.24	4.19
1963	2.21	4.05
1964	2.19	3.8
1965	2.09	3.54
1966	2.03	3.41
1967	2.02	3.35
1968	2.27	3.34
1969	2.27	3.28
1970	2.17	3.17
1971	2.1	3.18
1972	2.03	3
1973	2.15	2.76
1974	2.29	2.58
1975	2.23	2.37
1976	2.24	2.27
1977	2.21	2.21
1978	2.15	2.07
1979	2.16	2.12
1980	2.05	2.03
1981	2	2.01
1982	2.01	1.95
1983	2.01	1.92
1984	2.01	1.93
1985	1.97	1.93
1986	2.02	1.96
1987	1.96	2.03
1988	1.97	2.1
1989	1.9	2.12
1990	1.82	2.18
1991	1.66	2.09
1992	1.55	2.06
1993	1.46	2.04
1994	1.37	1.98
1995	1.23	1.98
1996	1.23	1.96
1997	1.09	1.96
1998	1.11	1.89
1999	1.23	1.97
2000	1.26	1.98
2001	1.21	1.97
2002	1.23	1.89
2003	1.26	1.93
2004	1.33	1.98
2005	1.37	1.97
2006	1.44	2.01
2007	1.49	2.18
2008	1.56	2.19
2009	1.66	2.13
2010	1.57	2.17
2011	1.51	2.09
2012	1.5	2.1
2013	1.54	2.01
2014	1.62	1.92
2015	1.64	1.99
2016	1.67	1.87
2017	1.71	1.81
2018	1.73	1.71
2019	1.79	1.72
2020	1.77	1.61
2021	1.8	1.64
2022	1.78	1.66
2023	1.81	1.56
2024	1.81	1.55
2025	1.8	1.54
2026	1.8	1.53
2027	1.8	1.53
2028	1.8	1.52
2029	1.79	1.52
2030	1.79	1.52
2031	1.79	1.52
2032	1.79	1.52
2033	1.79	1.51
2034	1.79	1.51
2035	1.78	1.51
2036	1.78	1.51
2037	1.78	1.51
2038	1.77	1.51
2039	1.77	1.51
2040	1.77	1.51
2041	1.77	1.51
2042	1.77	1.51
2043	1.76	1.51
2044	1.76	1.51
2045	1.76	1.51
2046	1.76	1.51
2047	1.76	1.51
2048	1.76	1.51
2049	1.76	1.51
2050	1.76	1.51

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Bulgaria	New Zealand
1960	26.1%	32.8%
1961	25.8%	33%
1962	25.4%	33%
1963	25.1%	32.9%
1964	24.7%	32.9%
1965	24.2%	32.7%
1966	23.8%	32.6%
1967	23.4%	32.5%
1968	23.2%	32.3%
1969	23%	32.2%
1970	22.8%	31.9%
1971	22.6%	31.7%
1972	22.4%	31.4%
1973	22.3%	31%
1974	22.2%	30.5%
1975	22.3%	30.1%
1976	22.3%	29.6%
1977	22.2%	29%
1978	22.2%	28.4%
1979	22.1%	27.8%
1980	22.1%	27.2%
1981	22.1%	26.7%
1982	22.1%	26.2%
1983	22%	25.6%
1984	21.8%	25.1%
1985	21.6%	24.6%
1986	21.4%	24.2%
1987	21.3%	23.8%
1988	21.1%	23.5%
1989	20.8%	23.3%
1990	20.3%	23.3%
1991	19.8%	23.2%
1992	19.3%	23.1%
1993	18.8%	23.1%
1994	18.3%	23.1%
1995	17.9%	23.1%
1996	17.4%	23%
1997	17%	23%
1998	16.5%	23%
1999	16.1%	22.9%
2000	15.7%	22.8%
2001	15.2%	22.6%
2002	14.8%	22.4%
2003	14.4%	22.1%
2004	14%	21.8%
2005	13.7%	21.5%
2006	13.5%	21.3%
2007	13.4%	21.1%
2008	13.3%	21%
2009	13.4%	20.9%
2010	13.5%	20.9%
2011	13.5%	20.8%
2012	13.6%	20.6%
2013	13.7%	20.4%
2014	13.8%	20.2%
2015	13.9%	19.9%
2016	14%	19.6%
2017	14.2%	19.5%
2018	14.3%	19.3%
2019	14.4%	19.2%
2020	14.4%	19%
2021	14.5%	18.9%
2022	14.5%	18.6%
2023	14.5%	18.4%
2024	14.5%	18.1%
2025	14.4%	17.9%
2026	14.3%	17.6%
2027	14.3%	17.4%
2028	14.2%	17.2%
2029	14.1%	17%
2030	14%	16.8%
2031	14%	16.6%
2032	13.9%	16.4%
2033	13.8%	16.3%
2034	13.8%	16.1%
2035	13.7%	16%
2036	13.7%	15.9%
2037	13.7%	15.8%
2038	13.6%	15.7%
2039	13.6%	15.6%
2040	13.6%	15.5%
2041	13.6%	15.4%
2042	13.6%	15.4%
2043	13.6%	15.4%
2044	13.6%	15.3%
2045	13.6%	15.3%
2046	13.7%	15.3%
2047	13.7%	15.3%
2048	13.7%	15.3%
2049	13.8%	15.2%
2050	13.8%	15.2%

Children aged 0-14 make up 14.5% of the population in Bulgaria and 18.1% in New Zealand in 2024, compared to 20.3% and 23.3% respectively in 1990.

Demographics of Bulgaria and New Zealand compared.

Natural population change in Bulgaria vs New Zealand by year

For the past 10 years, the annual natural population change (excluding migration) has been -0.79% in Bulgaria and +0.51% in New Zealand. The chart below illustrates the comparison of the absolute yearly changes resulting from births and deaths.

Table

Year	Population change due to births and deaths
	Bulgaria	New Zealand
1960	76,314	41,791
1961	75,460	43,482
1962	64,104	42,865
1963	66,241	42,027
1964	66,783	39,375
1965	58,249	36,982
1966	54,504	36,151
1967	49,861	37,974
1968	69,468	37,594
1969	63,256	38,098
1970	61,125	37,101
1971	52,925	40,000
1972	47,169	38,244
1973	57,760	35,239
1974	64,223	33,896
1975	54,941	31,355
1976	56,055	29,456
1977	47,543	28,020
1978	44,070	26,156
1979	40,599	26,675
1980	30,129	23,658
1981	29,341	25,374
1982	24,077	24,207
1983	21,455	24,315
1984	20,610	26,043
1985	11,649	24,126
1986	16,125	25,549
1987	8,971	27,603
1988	9,879	29,846
1989	5,326	30,749
1990	-3,487	33,298
1991	-14,675	33,518
1992	-18,789	32,067
1993	-24,569	31,685
1994	-32,086	30,372
1995	-42,030	29,828
1996	-45,159	28,997
1997	-58,185	30,137
1998	-52,844	29,146
1999	-39,411	28,916
2000	-41,668	29,897
2001	-44,050	27,939
2002	-46,240	25,941
2003	-44,319	28,150
2004	-40,128	29,634
2005	-42,124	30,674
2006	-39,526	30,924
2007	-37,727	35,480
2008	-32,967	35,143
2009	-26,800	33,560
2010	-34,759	35,458
2011	-37,477	31,302
2012	-40,183	31,077
2013	-37,948	29,096
2014	-41,027	26,196
2015	-44,699	29,408
2016	-42,744	28,237
2017	-45,583	26,282
2018	-46,304	24,797
2019	-46,317	25,344
2020	-65,507	24,993
2021	-90,452	23,767
2022	-62,065	20,264
2023	-43,837	19,039

Maternal mortality chart: Bulgaria vs New Zealand

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 7 deaths in New Zealand.

Table

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

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 0.61% in Bulgaria and 0.47% in New Zealand. Below is the historical data on under-five mortality rates.

Table

Year	Mortality rate before reaching 5 years of age, per 1,000 live births
	Bulgaria	New Zealand
1960	5.47%	2.78%
1961	4.89%	2.68%
1962	4.43%	2.58%
1963	4.08%	2.48%
1964	3.86%	2.39%
1965	3.75%	2.31%
1966	3.7%	2.25%
1967	3.64%	2.2%
1968	3.54%	2.16%
1969	3.4%	2.12%
1970	3.25%	2.08%
1971	3.11%	2.03%
1972	3.01%	1.98%
1973	2.95%	1.94%
1974	2.91%	1.88%
1975	2.86%	1.83%
1976	2.8%	1.77%
1977	2.72%	1.71%
1978	2.6%	1.66%
1979	2.49%	1.61%
1980	2.38%	1.56%
1981	2.3%	1.52%
1982	2.22%	1.48%
1983	2.15%	1.45%
1984	2.07%	1.41%
1985	1.97%	1.38%
1986	1.87%	1.34%
1987	1.8%	1.29%
1988	1.78%	1.24%
1989	1.79%	1.18%
1990	1.83%	1.12%
1991	1.89%	1.06%
1992	1.92%	1%
1993	1.92%	0.95%
1994	1.91%	0.91%
1995	1.92%	0.87%
1996	1.94%	0.84%
1997	1.93%	0.81%
1998	1.89%	0.78%
1999	1.82%	0.76%
2000	1.75%	0.74%
2001	1.68%	0.72%
2002	1.6%	0.7%
2003	1.51%	0.69%
2004	1.42%	0.67%
2005	1.33%	0.66%
2006	1.24%	0.65%
2007	1.18%	0.65%
2008	1.14%	0.64%
2009	1.12%	0.63%
2010	1.08%	0.62%
2011	1.04%	0.61%
2012	0.99%	0.6%
2013	0.93%	0.59%
2014	0.87%	0.57%
2015	0.82%	0.56%
2016	0.77%	0.55%
2017	0.73%	0.53%
2018	0.7%	0.52%
2019	0.67%	0.51%
2020	0.65%	0.5%
2021	0.63%	0.49%
2022	0.62%	0.48%
2023	0.61%	0.47%