Fertility & birth rates in Bulgaria and Guinea-Bissau

Fertility rate in Bulgaria vs Guinea-Bissau 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 3.84 in Guinea-Bissau in 2023. The replacement level is considered to be 2.1 children per woman.

Check Bulgaria vs Guinea-Bissau 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	Guinea-Bissau
1960	2.31	5.92
1961	2.29	5.93
1962	2.24	5.94
1963	2.21	5.95
1964	2.19	5.96
1965	2.09	5.97
1966	2.03	5.98
1967	2.02	5.99
1968	2.27	6.01
1969	2.27	6.02
1970	2.17	6.04
1971	2.1	6.06
1972	2.03	6.08
1973	2.15	6.1
1974	2.29	6.12
1975	2.23	6.15
1976	2.24	6.19
1977	2.21	6.25
1978	2.15	6.32
1979	2.16	6.4
1980	2.05	6.49
1981	2	6.57
1982	2.01	6.64
1983	2.01	6.69
1984	2.01	6.73
1985	1.97	6.74
1986	2.02	6.73
1987	1.96	6.72
1988	1.97	6.69
1989	1.9	6.66
1990	1.82	6.5
1991	1.66	6.47
1992	1.55	6.44
1993	1.46	6.37
1994	1.37	6.3
1995	1.23	6.22
1996	1.23	6.14
1997	1.09	6.06
1998	1.11	5.97
1999	1.23	5.87
2000	1.26	5.79
2001	1.21	5.69
2002	1.23	5.63
2003	1.26	5.58
2004	1.33	5.5
2005	1.37	5.46
2006	1.44	5.41
2007	1.49	5.37
2008	1.56	5.27
2009	1.66	5.18
2010	1.57	5.11
2011	1.51	5.07
2012	1.5	5
2013	1.54	4.93
2014	1.62	4.79
2015	1.64	4.66
2016	1.67	4.52
2017	1.71	4.35
2018	1.73	4.24
2019	1.79	4.15
2020	1.77	4.08
2021	1.8	4
2022	1.78	3.91
2023	1.81	3.84
2024	1.81	3.76
2025	1.8	3.68
2026	1.8	3.62
2027	1.8	3.56
2028	1.8	3.5
2029	1.79	3.44
2030	1.79	3.37
2031	1.79	3.31
2032	1.79	3.25
2033	1.79	3.2
2034	1.79	3.15
2035	1.78	3.09
2036	1.78	3.04
2037	1.78	3
2038	1.77	2.95
2039	1.77	2.91
2040	1.77	2.87
2041	1.77	2.84
2042	1.77	2.8
2043	1.76	2.77
2044	1.76	2.74
2045	1.76	2.71
2046	1.76	2.67
2047	1.76	2.64
2048	1.76	2.62
2049	1.76	2.59
2050	1.76	2.56

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Bulgaria	Guinea-Bissau
1960	26.1%	36.9%
1961	25.8%	37.1%
1962	25.4%	37.7%
1963	25.1%	38.4%
1964	24.7%	39.6%
1965	24.2%	41%
1966	23.8%	41.9%
1967	23.4%	42.1%
1968	23.2%	41.8%
1969	23%	41.9%
1970	22.8%	41.9%
1971	22.6%	41.9%
1972	22.4%	41.9%
1973	22.3%	41.6%
1974	22.2%	41.4%
1975	22.3%	41.8%
1976	22.3%	42.6%
1977	22.2%	43.7%
1978	22.2%	44.8%
1979	22.1%	45.1%
1980	22.1%	45%
1981	22.1%	45.3%
1982	22.1%	45.5%
1983	22%	45.7%
1984	21.8%	45.9%
1985	21.6%	45.9%
1986	21.4%	46%
1987	21.3%	45.9%
1988	21.1%	45.9%
1989	20.8%	45.8%
1990	20.3%	45.7%
1991	19.8%	45.5%
1992	19.3%	45.5%
1993	18.8%	45.4%
1994	18.3%	45.4%
1995	17.9%	45.3%
1996	17.4%	45.2%
1997	17%	45.1%
1998	16.5%	45%
1999	16.1%	44.8%
2000	15.7%	44.7%
2001	15.2%	44.5%
2002	14.8%	44.3%
2003	14.4%	44.2%
2004	14%	44%
2005	13.7%	43.9%
2006	13.5%	43.8%
2007	13.4%	43.6%
2008	13.3%	43.5%
2009	13.4%	43.3%
2010	13.5%	43.2%
2011	13.5%	43%
2012	13.6%	42.8%
2013	13.7%	42.7%
2014	13.8%	42.5%
2015	13.9%	42.2%
2016	14%	42%
2017	14.2%	41.7%
2018	14.3%	41.3%
2019	14.4%	40.9%
2020	14.4%	40.5%
2021	14.5%	40.1%
2022	14.5%	39.7%
2023	14.5%	39.2%
2024	14.5%	38.8%
2025	14.4%	38.3%
2026	14.3%	37.8%
2027	14.3%	37.4%
2028	14.2%	36.9%
2029	14.1%	36.4%
2030	14%	36%
2031	14%	35.5%
2032	13.9%	35.1%
2033	13.8%	34.8%
2034	13.8%	34.4%
2035	13.7%	34.1%
2036	13.7%	33.7%
2037	13.7%	33.4%
2038	13.6%	33%
2039	13.6%	32.7%
2040	13.6%	32.4%
2041	13.6%	32%
2042	13.6%	31.7%
2043	13.6%	31.4%
2044	13.6%	31%
2045	13.6%	30.7%
2046	13.7%	30.4%
2047	13.7%	30.1%
2048	13.7%	29.7%
2049	13.8%	29.4%
2050	13.8%	29.1%

Children aged 0-14 make up 14.5% of the population in Bulgaria and 38.8% in Guinea-Bissau in 2024, compared to 20.3% and 45.7% respectively in 1990.

Demographics of Bulgaria and Guinea-Bissau compared.

Natural population change in Bulgaria vs Guinea-Bissau by year

For the past 10 years, the annual natural population change (excluding migration) has been -0.79% in Bulgaria and +2.44% in Guinea-Bissau. 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	Guinea-Bissau
1960	76,314	10,618
1961	75,460	10,756
1962	64,104	10,662
1963	66,241	9,190
1964	66,783	8,989
1965	58,249	7,789
1966	54,504	6,955
1967	49,861	6,742
1968	69,468	7,289
1969	63,256	7,857
1970	61,125	7,632
1971	52,925	8,183
1972	47,169	7,911
1973	57,760	8,430
1974	64,223	10,321
1975	54,941	11,998
1976	56,055	13,688
1977	47,543	15,484
1978	44,070	17,468
1979	40,599	19,736
1980	30,129	21,024
1981	29,341	21,611
1982	24,077	22,131
1983	21,455	22,542
1984	20,610	22,861
1985	11,649	23,116
1986	16,125	23,301
1987	8,971	23,549
1988	9,879	23,940
1989	5,326	24,286
1990	-3,487	23,936
1991	-14,675	24,527
1992	-18,789	25,747
1993	-24,569	26,943
1994	-32,086	27,895
1995	-42,030	29,142
1996	-45,159	29,778
1997	-58,185	29,792
1998	-52,844	30,390
1999	-39,411	30,916
2000	-41,668	32,816
2001	-44,050	33,461
2002	-46,240	34,561
2003	-44,319	35,649
2004	-40,128	36,495
2005	-42,124	37,347
2006	-39,526	38,886
2007	-37,727	40,288
2008	-32,967	40,841
2009	-26,800	41,950
2010	-34,759	43,067
2011	-37,477	44,405
2012	-40,183	45,480
2013	-37,948	46,472
2014	-41,027	46,615
2015	-44,699	46,846
2016	-42,744	46,814
2017	-45,583	46,318
2018	-46,304	46,659
2019	-46,317	47,196
2020	-65,507	46,718
2021	-90,452	47,242
2022	-62,065	48,920
2023	-43,837	49,498

Maternal mortality chart: Bulgaria vs Guinea-Bissau

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 505 deaths in Guinea-Bissau.

Table

Year	Maternal mortality per 100K births
	Bulgaria	Guinea-Bissau
1985	26	1,851
1986	25	1,825
1987	25	1,796
1988	26	1,759
1989	25	1,698
1990	27	1,709
1991	25	1,663
1992	25	1,633
1993	23	1,613
1994	25	1,644
1995	23	1,556
1996	22	1,539
1997	23	1,642
1998	20	1,465
1999	20	1,461
2000	19	1,295
2001	17	1,222
2002	15	1,141
2003	14	1,069
2004	14	980
2005	13	956
2006	12	831
2007	11	792
2008	10	802
2009	9	753
2010	9	698
2011	8	678
2012	7	704
2013	7	707
2014	7	662
2015	7	631
2016	7	617
2017	7	597
2018	7	585
2019	6	598
2020	9	603
2021	9	617
2022	10	539
2023	6	505

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 0.61% in Bulgaria and 6.93% in Guinea-Bissau. 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	Guinea-Bissau
1960	5.47%	-
1961	4.89%	-
1962	4.43%	-
1963	4.08%	-
1964	3.86%	-
1965	3.75%	-
1966	3.7%	-
1967	3.64%	-
1968	3.54%	-
1969	3.4%	-
1970	3.25%	-
1971	3.11%	-
1972	3.01%	-
1973	2.95%	-
1974	2.91%	-
1975	2.86%	-
1976	2.8%	-
1977	2.72%	-
1978	2.6%	-
1979	2.49%	-
1980	2.38%	-
1981	2.3%	-
1982	2.22%	-
1983	2.15%	-
1984	2.07%	-
1985	1.97%	24.4%
1986	1.87%	24%
1987	1.8%	23.5%
1988	1.78%	23.1%
1989	1.79%	22.7%
1990	1.83%	22.2%
1991	1.89%	21.8%
1992	1.92%	21.3%
1993	1.92%	20.9%
1994	1.91%	20.4%
1995	1.92%	19.9%
1996	1.94%	19.4%
1997	1.93%	18.9%
1998	1.89%	18.4%
1999	1.82%	17.9%
2000	1.75%	17.4%
2001	1.68%	16.8%
2002	1.6%	16.3%
2003	1.51%	15.7%
2004	1.42%	15.1%
2005	1.33%	14.5%
2006	1.24%	13.9%
2007	1.18%	13.2%
2008	1.14%	12.6%
2009	1.12%	12%
2010	1.08%	11.4%
2011	1.04%	10.9%
2012	0.99%	10.4%
2013	0.93%	9.93%
2014	0.87%	9.53%
2015	0.82%	9.18%
2016	0.77%	8.84%
2017	0.73%	8.53%
2018	0.7%	8.21%
2019	0.67%	7.91%
2020	0.65%	7.66%
2021	0.63%	7.41%
2022	0.62%	7.16%
2023	0.61%	6.93%