Fertility & birth rates in Bulgaria and Solomon Islands

Fertility rate in Bulgaria vs Solomon Islands by year

Chart Table

Bulgaria

Solomon Islands

1x

Year	Fertility rate
	Bulgaria	Solomon Islands
2023	1.81	3.56
2022	1.78	3.62
2021	1.8	3.69
2020	1.77	3.75
2019	1.79	3.8
2018	1.73	3.93
2017	1.71	4.06
2016	1.67	4.2
2015	1.64	4.29
2014	1.62	4.36
2013	1.54	4.33
2012	1.5	4.33
2011	1.51	4.34
2010	1.57	4.34
2009	1.66	4.35
2008	1.56	4.36
2007	1.49	4.37
2006	1.44	4.39
2005	1.37	4.41
2004	1.33	4.47
2003	1.26	4.54
2002	1.23	4.6
2001	1.21	4.67
2000	1.26	4.76
1999	1.23	4.86
1998	1.11	4.98
1997	1.09	5.09
1996	1.23	5.22
1995	1.23	5.34
1994	1.37	5.4
1993	1.46	5.45
1992	1.55	5.51
1991	1.66	5.62
1990	1.82	5.74
1989	1.9	5.87
1988	1.97	5.99
1987	1.96	6.12
1986	2.02	6.26
1985	1.97	6.38
1984	2.01	6.49
1983	2.01	6.57
1982	2.01	6.64
1981	2	6.71
1980	2.05	6.77
1979	2.16	6.82
1978	2.15	6.87
1977	2.21	6.92
1976	2.24	6.95
1975	2.23	6.99
1974	2.29	7.01
1973	2.15	7
1972	2.03	6.99
1971	2.1	6.99
1970	2.17	6.98
1969	2.27	6.97
1968	2.27	6.95
1967	2.02	6.97
1966	2.03	7
1965	2.09	7.02
1964	2.19	7.05
1963	2.21	7.03
1962	2.24	7.04
1961	2.29	7.05
1960	2.31	7.07

According to the latest available data on birth rates, the fertility rate in Bulgaria was 1.81 children per woman in 2023, compared to 3.56 in the Solomon Islands in 2023. The replacement level is considered to be 2.1 children per woman.

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

Natural population change by year

Chart Table

Bulgaria

Solomon Islands

1x

Year	Natural population change
	Bulgaria	Solomon Islands
2023	-43,837	17,436
2022	-62,065	17,253
2021	-90,452	16,626
2020	-65,507	16,488
2019	-46,317	16,649
2018	-46,304	16,790
2017	-45,583	16,897
2016	-42,744	17,027
2015	-44,699	16,909
2014	-41,027	16,652
2013	-37,948	16,038
2012	-40,183	15,585
2011	-37,477	15,095
2010	-34,759	14,604
2009	-26,800	14,381
2008	-32,967	14,225
2007	-37,727	13,963
2006	-39,526	13,799
2005	-42,124	13,568
2004	-40,128	13,444
2003	-44,319	13,344
2002	-46,240	13,195
2001	-44,050	13,061
2000	-41,668	12,938
1999	-39,411	12,809
1998	-52,844	12,658
1997	-58,185	12,478
1996	-45,159	12,328
1995	-42,030	12,124
1994	-32,086	11,771
1993	-24,569	11,396
1992	-18,789	11,029
1991	-14,675	10,789
1990	-3,487	10,561
1989	5,326	10,354
1988	9,879	10,142
1987	8,971	9,943
1986	16,125	9,656
1985	11,649	9,534
1984	20,610	9,299
1983	21,455	9,011
1982	24,077	8,720
1981	29,341	8,436
1980	30,129	8,156
1979	40,599	7,874
1978	44,070	7,598
1977	47,543	7,290
1976	56,055	7,058
1975	54,941	6,635
1974	64,223	6,612
1973	57,760	6,343
1972	47,169	6,074
1971	52,925	5,814
1970	61,125	5,575
1969	63,256	5,444
1968	69,468	5,285
1967	49,861	5,151
1966	54,504	5,028
1965	58,249	4,885
1964	66,783	4,747
1963	66,241	4,571
1962	64,104	4,408
1961	75,460	4,257
1960	76,314	4,119

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 +2.18% in the Solomon Islands.

For the past 10 years, the annual natural population change has been -0.79% in Bulgaria and +2.38% in the Solomon Islands.

Birth rate in Bulgaria vs Solomon Islands by year

Chart Table

Bulgaria

Solomon Islands

Annual births per 1,000 people

1x

Year	Annual births per 1,000 people
	Bulgaria	Solomon Islands
2023	8.9	26.9
2022	8.8	27.3
2021	9	27.7
2020	9	28
2019	9.3	28.4
2018	9.3	29.1
2017	9.4	30.1
2016	9.4	31.1
2015	9.4	31.9
2014	9.6	32.6
2013	9.3	32.5
2012	9.5	32.7
2011	9.6	33
2010	10.2	33.2
2009	10.9	33.7
2008	10.4	33.8
2007	10	33.9
2006	9.7	34
2005	9.3	34
2004	9.1	34.3
2003	8.7	34.6
2002	8.5	34.8
2001	8.5	35.1
2000	9	35.4
1999	8.8	35.8
1998	7.9	36.3
1997	7.7	36.7
1996	8.6	37.3
1995	8.6	37.7
1994	9.4	37.7
1993	10	37.6
1992	10.4	37.5
1991	11.1	37.9
1990	12.1	38.3
1989	12.6	38.7
1988	13.1	39.2
1987	13	39.7
1986	13.4	40.3
1985	13.3	40.6
1984	13.6	41
1983	13.8	41.2
1982	13.9	41.4
1981	14	41.7
1980	14.5	41.9
1979	15.3	42.2
1978	15.5	42.6
1977	16.1	42.9
1976	16.5	43.3
1975	16.6	43.8
1974	17.2	44.1
1973	16.2	44.1
1972	15.3	44.1
1971	15.9	44.2
1970	16.3	44.2
1969	17	44.6
1968	16.9	44.9
1967	15	45.4
1966	14.9	45.8
1965	15.3	46.1
1964	16.1	46.5
1963	16.4	46.5
1962	16.7	46.5
1961	17.4	46.7
1960	17.8	46.8

The latest reported birth rate per 1,000 people in 2023 was 8.9 in Bulgaria and 26.9 in the Solomon Islands, compared with 17.8 and 46.8, respectively, in 1960.

Children 0-14 years as share of population

Chart Table

Bulgaria

Factual

UN forecast

Solomon Islands

Factual

UN forecast

1x

Year	Young
	Bulgaria	Solomon Islands
2100	13%	19%
2099	13.1%	19.1%
2098	13.1%	19.2%
2097	13.1%	19.4%
2096	13.2%	19.5%
2095	13.2%	19.6%
2094	13.3%	19.8%
2093	13.4%	19.9%
2092	13.4%	20%
2091	13.4%	20.2%
2090	13.5%	20.3%
2089	13.5%	20.5%
2088	13.6%	20.6%
2087	13.6%	20.8%
2086	13.6%	21%
2085	13.6%	21.2%
2084	13.6%	21.3%
2083	13.6%	21.5%
2082	13.6%	21.7%
2081	13.6%	21.9%
2080	13.6%	22.1%
2079	13.6%	22.3%
2078	13.6%	22.4%
2077	13.6%	22.6%
2076	13.6%	22.8%
2075	13.5%	23%
2074	13.5%	23.2%
2073	13.5%	23.4%
2072	13.5%	23.6%
2071	13.5%	23.8%
2070	13.5%	24%
2069	13.6%	24.2%
2068	13.6%	24.4%
2067	13.6%	24.6%
2066	13.6%	24.8%
2065	13.6%	25%
2064	13.7%	25.2%
2063	13.7%	25.4%
2062	13.7%	25.6%
2061	13.8%	25.9%
2060	13.8%	26.1%
2059	13.8%	26.3%
2058	13.9%	26.6%
2057	13.9%	26.8%
2056	13.9%	27.1%
2055	13.9%	27.4%
2054	13.9%	27.7%
2053	13.9%	28%
2052	13.9%	28.3%
2051	13.8%	28.6%
2050	13.8%	28.9%
2049	13.8%	29.2%
2048	13.7%	29.4%
2047	13.7%	29.7%
2046	13.6%	30%
2045	13.6%	30.3%
2044	13.6%	30.6%
2043	13.6%	30.8%
2042	13.6%	31.1%
2041	13.6%	31.3%
2040	13.6%	31.6%
2039	13.6%	31.8%
2038	13.7%	32.1%
2037	13.7%	32.3%
2036	13.7%	32.5%
2035	13.7%	32.8%
2034	13.8%	33%
2033	13.8%	33.4%
2032	13.9%	33.7%
2031	14%	34.1%
2030	14.1%	34.5%
2029	14.2%	35%
2028	14.2%	35.4%
2027	14.3%	35.9%
2026	14.4%	36.3%
2025	14.4%	36.8%
2024	14.5%	37%
2023	14.5%	37.4%
2022	14.5%	37.7%
2021	14.5%	38.1%
2020	14.4%	38.4%
2019	14.4%	38.7%
2018	14.3%	39%
2017	14.2%	39.4%
2016	14%	39.7%
2015	13.9%	40%
2014	13.8%	40.2%
2013	13.7%	40.4%
2012	13.6%	40.7%
2011	13.5%	40.8%
2010	13.5%	41%
2009	13.4%	41.1%
2008	13.3%	41.2%
2007	13.4%	41.2%
2006	13.5%	41.3%
2005	13.7%	41.5%
2004	14%	41.7%
2003	14.4%	41.9%
2002	14.8%	42.2%
2001	15.2%	42.5%
2000	15.7%	42.9%
1999	16.1%	43.2%
1998	16.5%	43.5%
1997	17%	43.8%
1996	17.4%	44%
1995	17.9%	44.3%
1994	18.3%	44.5%
1993	18.8%	44.8%
1992	19.3%	45.1%
1991	19.8%	45.4%
1990	20.3%	45.8%
1989	20.8%	46.2%
1988	21.1%	46.6%
1987	21.3%	46.9%
1986	21.4%	47.3%
1985	21.6%	47.5%
1984	21.8%	47.8%
1983	22%	47.9%
1982	22.1%	48.1%
1981	22.1%	48.2%
1980	22.1%	48.3%
1979	22.1%	48.3%
1978	22.2%	48.3%
1977	22.2%	48.3%
1976	22.3%	48.2%
1975	22.3%	47.9%
1974	22.2%	47.5%
1973	22.3%	47.1%
1972	22.4%	46.9%
1971	22.6%	46.8%
1970	22.8%	46.7%
1969	23%	46.6%
1968	23.2%	46.4%
1967	23.4%	46.2%
1966	23.8%	46%
1965	24.2%	45.9%
1964	24.7%	45.8%
1963	25.1%	45.9%
1962	25.4%	46%
1961	25.8%	46.1%
1960	26.1%	46.3%

Children aged 0-14 make up 14.5% of the population in Bulgaria and 37% in the Solomon Islands in 2024, compared to 20.3% and 45.8% respectively in 1990.

Demographics of Bulgaria and the Solomon Islands compared.

Maternal mortality chart: Bulgaria vs Solomon Islands

Chart Table

Bulgaria

Solomon Islands

1x

Year	Maternal mortality per 100K births
	Bulgaria	Solomon Islands
2023	6	123
2022	10	126
2021	9	153
2020	9	131
2019	6	135
2018	7	136
2017	7	140
2016	7	143
2015	7	146
2014	7	147
2013	7	147
2012	7	146
2011	8	147
2010	9	148
2009	9	152
2008	10	153
2007	11	163
2006	12	159
2005	13	161
2004	14	164
2003	14	167
2002	15	168
2001	17	167
2000	19	166
1999	20	164
1998	20	165
1997	23	164
1996	22	166
1995	23	168
1994	25	170
1993	23	173
1992	25	174
1991	25	178
1990	27	184
1989	25	188
1988	26	193
1987	25	200
1986	25	226
1985	26	209

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 123 deaths in the Solomon Islands.

Under-five mortality rates

Chart Table

Bulgaria

Solomon Islands

Probability that a newborn baby will die before reaching age five

1x

Year	Under 5 mortality rate
	Bulgaria	Solomon Islands
2023	0.61%	2.06%
2022	0.62%	2.12%
2021	0.63%	2.18%
2020	0.65%	2.24%
2019	0.67%	2.3%
2018	0.7%	2.36%
2017	0.73%	2.41%
2016	0.77%	2.45%
2015	0.82%	2.49%
2014	0.87%	2.53%
2013	0.93%	2.58%
2012	0.99%	2.62%
2011	1.04%	2.67%
2010	1.08%	2.72%
2009	1.12%	2.76%
2008	1.14%	2.81%
2007	1.18%	2.85%
2006	1.24%	2.88%
2005	1.33%	2.91%
2004	1.42%	2.94%
2003	1.51%	2.97%
2002	1.6%	2.99%
2001	1.68%	3.03%
2000	1.75%	3.07%
1999	1.82%	3.11%
1998	1.89%	3.16%
1997	1.93%	3.21%
1996	1.94%	3.27%
1995	1.92%	3.35%
1994	1.91%	3.43%
1993	1.92%	3.52%
1992	1.92%	3.62%
1991	1.89%	3.72%
1990	1.83%	3.82%
1989	1.79%	3.93%
1988	1.78%	4.04%
1987	1.8%	4.16%
1986	1.87%	4.28%
1985	1.97%	4.42%
1984	2.07%	4.58%
1983	2.15%	4.74%
1982	2.22%	4.93%
1981	2.3%	5.14%
1980	2.38%	5.38%
1979	2.49%	5.64%
1978	2.6%	5.95%
1977	2.72%	6.29%
1976	2.8%	6.68%
1975	2.86%	7.9%
1974	2.91%	7.6%
1973	2.95%	8.12%
1972	3.01%	8.69%
1971	3.11%	9.29%
1970	3.25%	9.94%
1969	3.4%	10.6%
1968	3.54%	11.3%
1967	3.64%	12%
1966	3.7%	12.7%
1965	3.75%	13.3%
1964	3.86%	14%
1963	4.08%	14.7%
1962	4.43%	15.4%
1961	4.89%	16%
1960	5.47%	16.7%

The chance that a newborn baby will die before reaching age five is 0.61% in Bulgaria and 2.06% in the Solomon Islands. Above is a chart with historical data on under-five mortality rates.