Fertility & birth rates in Congo and Guinea-Bissau

Fertility rate in Congo vs Guinea-Bissau chart

According to the latest available data on birth rates, the fertility rate in the Congo was 4.16 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 the Congo 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
	Congo	Guinea-Bissau
1960	6.09	5.92
1961	6.09	5.93
1962	6.1	5.94
1963	6.15	5.95
1964	6.18	5.96
1965	6.23	5.97
1966	6.27	5.98
1967	6.29	5.99
1968	6.33	6.01
1969	6.35	6.02
1970	6.38	6.04
1971	6.42	6.06
1972	6.44	6.08
1973	6.42	6.1
1974	6.39	6.12
1975	6.36	6.15
1976	6.32	6.19
1977	6.27	6.25
1978	6.21	6.32
1979	6.14	6.4
1980	6.07	6.49
1981	5.98	6.57
1982	5.85	6.64
1983	5.76	6.69
1984	5.66	6.73
1985	5.59	6.74
1986	5.51	6.73
1987	5.46	6.72
1988	5.39	6.69
1989	5.33	6.66
1990	5.27	6.5
1991	5.22	6.47
1992	5.18	6.44
1993	5.13	6.37
1994	5.1	6.3
1995	5.07	6.22
1996	5.03	6.14
1997	5	6.06
1998	4.91	5.97
1999	4.81	5.87
2000	4.72	5.79
2001	4.67	5.69
2002	4.7	5.63
2003	4.7	5.58
2004	4.69	5.5
2005	4.67	5.46
2006	4.65	5.41
2007	4.65	5.37
2008	4.73	5.27
2009	4.81	5.18
2010	4.85	5.11
2011	4.83	5.07
2012	4.79	5
2013	4.73	4.93
2014	4.67	4.79
2015	4.61	4.66
2016	4.55	4.52
2017	4.5	4.35
2018	4.44	4.24
2019	4.38	4.15
2020	4.33	4.08
2021	4.28	4
2022	4.22	3.91
2023	4.16	3.84
2024	4.11	3.76
2025	4.05	3.68
2026	3.99	3.62
2027	3.93	3.56
2028	3.88	3.5
2029	3.83	3.44
2030	3.78	3.37
2031	3.73	3.31
2032	3.68	3.25
2033	3.64	3.2
2034	3.59	3.15
2035	3.54	3.09
2036	3.5	3.04
2037	3.46	3
2038	3.42	2.95
2039	3.38	2.91
2040	3.35	2.87
2041	3.31	2.84
2042	3.27	2.8
2043	3.24	2.77
2044	3.2	2.74
2045	3.16	2.71
2046	3.13	2.67
2047	3.09	2.64
2048	3.06	2.62
2049	3.03	2.59
2050	3	2.56

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Congo	Guinea-Bissau
1960	42.7%	36.9%
1961	43%	37.1%
1962	43.3%	37.7%
1963	43.5%	38.4%
1964	43.7%	39.6%
1965	43.9%	41%
1966	44%	41.9%
1967	44.2%	42.1%
1968	44.3%	41.8%
1969	44.5%	41.9%
1970	44.7%	41.9%
1971	44.8%	41.9%
1972	45%	41.9%
1973	45.2%	41.6%
1974	45.4%	41.4%
1975	45.5%	41.8%
1976	45.7%	42.6%
1977	45.8%	43.7%
1978	45.8%	44.8%
1979	45.8%	45.1%
1980	45.7%	45%
1981	45.6%	45.3%
1982	45.4%	45.5%
1983	45.2%	45.7%
1984	45%	45.9%
1985	44.9%	45.9%
1986	44.7%	46%
1987	44.6%	45.9%
1988	44.5%	45.9%
1989	44.3%	45.8%
1990	44.2%	45.7%
1991	44%	45.5%
1992	43.8%	45.5%
1993	43.6%	45.4%
1994	43.4%	45.4%
1995	43.3%	45.3%
1996	43.2%	45.2%
1997	43.3%	45.1%
1998	43.3%	45%
1999	43.1%	44.8%
2000	42.5%	44.7%
2001	41.9%	44.5%
2002	41.9%	44.3%
2003	41.7%	44.2%
2004	41.4%	44%
2005	41.1%	43.9%
2006	40.9%	43.8%
2007	40.7%	43.6%
2008	40.7%	43.5%
2009	40.5%	43.3%
2010	40.4%	43.2%
2011	40.6%	43%
2012	41%	42.8%
2013	41.3%	42.7%
2014	41.7%	42.5%
2015	41.9%	42.2%
2016	42.1%	42%
2017	42.1%	41.7%
2018	42.1%	41.3%
2019	41.9%	40.9%
2020	41.8%	40.5%
2021	41.5%	40.1%
2022	41.3%	39.7%
2023	40.9%	39.2%
2024	40.4%	38.8%
2025	39.9%	38.3%
2026	39.4%	37.8%
2027	38.9%	37.4%
2028	38.4%	36.9%
2029	38%	36.4%
2030	37.6%	36%
2031	37.3%	35.5%
2032	37%	35.1%
2033	36.8%	34.8%
2034	36.6%	34.4%
2035	36.4%	34.1%
2036	36.2%	33.7%
2037	36%	33.4%
2038	35.8%	33%
2039	35.6%	32.7%
2040	35.5%	32.4%
2041	35.3%	32%
2042	35.1%	31.7%
2043	34.9%	31.4%
2044	34.7%	31%
2045	34.4%	30.7%
2046	34.2%	30.4%
2047	33.9%	30.1%
2048	33.6%	29.7%
2049	33.4%	29.4%
2050	33.1%	29.1%

Children aged 0-14 make up 40.4% of the population in the Congo and 38.8% in Guinea-Bissau in 2024, compared to 44.2% and 45.7% respectively in 1990.

Demographics of the Congo and Guinea-Bissau compared.

Natural population change in Congo vs Guinea-Bissau by year

For the past 10 years, the annual natural population change (excluding migration) has been +2.59% in the Congo 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
	Congo	Guinea-Bissau
1960	27,094	10,618
1961	28,220	10,756
1962	29,342	10,662
1963	30,832	9,190
1964	32,270	8,989
1965	33,865	7,789
1966	35,452	6,955
1967	36,866	6,742
1968	38,786	7,289
1969	40,532	7,857
1970	42,374	7,632
1971	44,431	8,183
1972	46,427	7,911
1973	48,017	8,430
1974	49,563	10,321
1975	51,155	11,998
1976	52,148	13,688
1977	53,179	15,484
1978	53,885	17,468
1979	54,723	19,736
1980	55,550	21,024
1981	56,603	21,611
1982	57,036	22,131
1983	58,120	22,542
1984	59,028	22,861
1985	60,359	23,116
1986	61,669	23,301
1987	63,183	23,549
1988	64,629	23,940
1989	65,944	24,286
1990	67,241	23,936
1991	68,534	24,527
1992	69,973	25,747
1993	71,119	26,943
1994	72,857	27,895
1995	74,189	29,142
1996	75,628	29,778
1997	66,149	29,792
1998	72,450	30,390
1999	76,204	30,916
2000	78,491	32,816
2001	84,876	33,461
2002	88,497	34,561
2003	91,326	35,649
2004	96,577	36,495
2005	101,344	37,347
2006	106,876	38,886
2007	112,459	40,288
2008	120,711	40,841
2009	126,904	41,950
2010	136,908	43,067
2011	140,371	44,405
2012	142,464	45,480
2013	142,080	46,472
2014	141,674	46,615
2015	141,539	46,846
2016	141,358	46,814
2017	141,973	46,318
2018	142,704	46,659
2019	139,513	47,196
2020	143,492	46,718
2021	144,241	47,242
2022	147,076	48,920
2023	150,486	49,498

Maternal mortality chart: Congo vs Guinea-Bissau

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 241 deaths per 100,000 live births in the Congo, compared to 505 deaths in Guinea-Bissau.

Table

Year	Maternal mortality per 100K births
	Congo	Guinea-Bissau
1985	546	1,851
1986	535	1,825
1987	519	1,796
1988	510	1,759
1989	506	1,698
1990	505	1,709
1991	514	1,663
1992	531	1,633
1993	541	1,613
1994	551	1,644
1995	551	1,556
1996	545	1,539
1997	650	1,642
1998	597	1,465
1999	554	1,461
2000	509	1,295
2001	489	1,222
2002	464	1,141
2003	436	1,069
2004	400	980
2005	385	956
2006	394	831
2007	370	792
2008	395	802
2009	414	753
2010	382	698
2011	378	678
2012	374	704
2013	320	707
2014	302	662
2015	284	631
2016	263	617
2017	262	597
2018	259	585
2019	245	598
2020	247	603
2021	301	617
2022	241	539
2023	241	505

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 4.05% in the Congo 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
	Congo	Guinea-Bissau
1960	19.4%	-
1961	18.6%	-
1962	18%	-
1963	17.3%	-
1964	16.7%	-
1965	16.1%	-
1966	15.6%	-
1967	15.1%	-
1968	14.6%	-
1969	14.2%	-
1970	13.7%	-
1971	13.4%	-
1972	13%	-
1973	12.6%	-
1974	12.4%	-
1975	12.1%	-
1976	11.8%	-
1977	11.5%	-
1978	11.2%	-
1979	11%	-
1980	10.7%	-
1981	10.5%	-
1982	10.2%	-
1983	9.95%	-
1984	9.68%	-
1985	9.44%	24.4%
1986	9.25%	24%
1987	9.11%	23.5%
1988	9.04%	23.1%
1989	9.05%	22.7%
1990	9.15%	22.2%
1991	9.31%	21.8%
1992	9.54%	21.3%
1993	9.84%	20.9%
1994	10.2%	20.4%
1995	10.5%	19.9%
1996	10.9%	19.4%
1997	11.2%	18.9%
1998	11.4%	18.4%
1999	11.5%	17.9%
2000	11.4%	17.4%
2001	11.1%	16.8%
2002	10.6%	16.3%
2003	10%	15.7%
2004	9.35%	15.1%
2005	8.66%	14.5%
2006	8.02%	13.9%
2007	7.43%	13.2%
2008	6.95%	12.6%
2009	6.55%	12%
2010	6.25%	11.4%
2011	6.02%	10.9%
2012	5.82%	10.4%
2013	5.64%	9.93%
2014	5.45%	9.53%
2015	5.27%	9.18%
2016	5.09%	8.84%
2017	4.93%	8.53%
2018	4.77%	8.21%
2019	5.24%	7.91%
2020	4.47%	7.66%
2021	4.33%	7.41%
2022	4.19%	7.16%
2023	4.05%	6.93%