Fertility & birth rates in Guinea-Bissau and Sierra Leone

Fertility rate in Guinea-Bissau vs Sierra Leone chart

According to the latest available data on birth rates, the fertility rate in Guinea-Bissau was 3.84 children per woman in 2023, compared to 3.79 in Sierra Leone in 2023. The replacement level is considered to be 2.1 children per woman.

Check Guinea-Bissau vs Sierra Leone population clock for a dynamic visualization of the changing population.

The chart below showcases historical changes in the birth rates.

Table

Year	Fertility rate
	Guinea-Bissau	Sierra Leone
1960	5.92	6.18
1961	5.93	6.21
1962	5.94	6.22
1963	5.95	6.26
1964	5.96	6.29
1965	5.97	6.31
1966	5.98	6.35
1967	5.99	6.38
1968	6.01	6.39
1969	6.02	6.39
1970	6.04	6.41
1971	6.06	6.43
1972	6.08	6.45
1973	6.1	6.47
1974	6.12	6.53
1975	6.15	6.55
1976	6.19	6.55
1977	6.25	6.57
1978	6.32	6.59
1979	6.4	6.58
1980	6.49	6.56
1981	6.57	6.55
1982	6.64	6.56
1983	6.69	6.57
1984	6.73	6.59
1985	6.74	6.59
1986	6.73	6.6
1987	6.72	6.61
1988	6.69	6.59
1989	6.66	6.57
1990	6.5	6.57
1991	6.47	6.55
1992	6.44	6.56
1993	6.37	6.57
1994	6.3	6.56
1995	6.22	6.56
1996	6.14	6.55
1997	6.06	6.53
1998	5.97	6.5
1999	5.87	6.42
2000	5.79	6.36
2001	5.69	6.31
2002	5.63	6.23
2003	5.58	6.09
2004	5.5	5.92
2005	5.46	5.81
2006	5.41	5.74
2007	5.37	5.64
2008	5.27	5.56
2009	5.18	5.45
2010	5.11	5.33
2011	5.07	5.21
2012	5	5.06
2013	4.93	4.87
2014	4.79	4.7
2015	4.66	4.55
2016	4.52	4.47
2017	4.35	4.39
2018	4.24	4.29
2019	4.15	4.19
2020	4.08	4.08
2021	4	3.98
2022	3.91	3.88
2023	3.84	3.79
2024	3.76	3.7
2025	3.68	3.61
2026	3.62	3.53
2027	3.56	3.47
2028	3.5	3.37
2029	3.44	3.3
2030	3.37	3.23
2031	3.31	3.18
2032	3.25	3.12
2033	3.2	3.07
2034	3.15	3.02
2035	3.09	2.97
2036	3.04	2.92
2037	3	2.88
2038	2.95	2.84
2039	2.91	2.79
2040	2.87	2.76
2041	2.84	2.72
2042	2.8	2.68
2043	2.77	2.65
2044	2.74	2.62
2045	2.71	2.58
2046	2.67	2.55
2047	2.64	2.53
2048	2.62	2.5
2049	2.59	2.47
2050	2.56	2.45

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Guinea-Bissau	Sierra Leone
1960	36.9%	38.2%
1961	37.1%	38.3%
1962	37.7%	38.3%
1963	38.4%	38.5%
1964	39.6%	38.8%
1965	41%	39.1%
1966	41.9%	39.4%
1967	42.1%	39.6%
1968	41.8%	39.9%
1969	41.9%	40.1%
1970	41.9%	40.3%
1971	41.9%	40.6%
1972	41.9%	40.7%
1973	41.6%	40.9%
1974	41.4%	41.1%
1975	41.8%	41.3%
1976	42.6%	41.4%
1977	43.7%	41.6%
1978	44.8%	41.7%
1979	45.1%	41.8%
1980	45%	41.9%
1981	45.3%	42%
1982	45.5%	42.1%
1983	45.7%	42.2%
1984	45.9%	42.3%
1985	45.9%	42.5%
1986	46%	42.6%
1987	45.9%	42.7%
1988	45.9%	42.8%
1989	45.8%	42.9%
1990	45.7%	42.9%
1991	45.5%	43%
1992	45.5%	43.1%
1993	45.4%	43.2%
1994	45.4%	43.3%
1995	45.3%	43.4%
1996	45.2%	43.5%
1997	45.1%	43.5%
1998	45%	43.6%
1999	44.8%	43.7%
2000	44.7%	43.8%
2001	44.5%	43.9%
2002	44.3%	43.9%
2003	44.2%	43.9%
2004	44%	43.9%
2005	43.9%	43.8%
2006	43.8%	43.7%
2007	43.6%	43.6%
2008	43.5%	43.5%
2009	43.3%	43.4%
2010	43.2%	43.2%
2011	43%	43%
2012	42.8%	42.8%
2013	42.7%	42.5%
2014	42.5%	42.2%
2015	42.2%	41.8%
2016	42%	41.4%
2017	41.7%	41%
2018	41.3%	40.6%
2019	40.9%	40.2%
2020	40.5%	39.8%
2021	40.1%	39.4%
2022	39.7%	39%
2023	39.2%	38.5%
2024	38.8%	38.1%
2025	38.3%	37.7%
2026	37.8%	37.2%
2027	37.4%	36.8%
2028	36.9%	36.3%
2029	36.4%	35.9%
2030	36%	35.5%
2031	35.5%	35.2%
2032	35.1%	34.8%
2033	34.8%	34.4%
2034	34.4%	34%
2035	34.1%	33.6%
2036	33.7%	33.2%
2037	33.4%	32.8%
2038	33%	32.4%
2039	32.7%	32%
2040	32.4%	31.6%
2041	32%	31.2%
2042	31.7%	30.9%
2043	31.4%	30.5%
2044	31%	30.2%
2045	30.7%	29.8%
2046	30.4%	29.5%
2047	30.1%	29.2%
2048	29.7%	28.8%
2049	29.4%	28.5%
2050	29.1%	28.2%

Children aged 0-14 make up 38.8% of the population in Guinea-Bissau and 38.1% in Sierra Leone in 2024, compared to 45.7% and 42.9% respectively in 1990.

Demographics of Guinea-Bissau and Sierra Leone compared.

Natural population change in Guinea-Bissau vs Sierra Leone by year

For the past 10 years, the annual natural population change (excluding migration) has been +2.44% in Guinea-Bissau and +2.31% in Sierra Leone. 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
	Guinea-Bissau	Sierra Leone
1960	10,618	38,192
1961	10,756	40,022
1962	10,662	41,603
1963	9,190	43,569
1964	8,989	45,487
1965	7,789	47,223
1966	6,955	49,486
1967	6,742	51,734
1968	7,289	53,126
1969	7,857	54,768
1970	7,632	56,513
1971	8,183	58,484
1972	7,911	60,279
1973	8,430	62,443
1974	10,321	65,357
1975	11,998	67,560
1976	13,688	69,506
1977	15,484	71,663
1978	17,468	74,130
1979	19,736	75,992
1980	21,024	77,932
1981	21,611	80,111
1982	22,131	82,457
1983	22,542	84,628
1984	22,861	87,072
1985	23,116	88,869
1986	23,301	90,902
1987	23,549	94,235
1988	23,940	96,344
1989	24,286	98,298
1990	23,936	100,778
1991	24,527	105,477
1992	25,747	103,251
1993	26,943	103,317
1994	27,895	101,486
1995	29,142	100,885
1996	29,778	104,140
1997	29,792	105,433
1998	30,390	103,906
1999	30,916	102,295
2000	32,816	110,754
2001	33,461	116,647
2002	34,561	126,429
2003	35,649	130,312
2004	36,495	132,661
2005	37,347	137,234
2006	38,886	144,127
2007	40,288	145,740
2008	40,841	149,855
2009	41,950	152,669
2010	43,067	155,338
2011	44,405	158,858
2012	45,480	160,915
2013	46,472	161,265
2014	46,615	160,137
2015	46,846	162,275
2016	46,814	168,784
2017	46,318	173,259
2018	46,659	178,772
2019	47,196	181,068
2020	46,718	181,015
2021	47,242	183,326
2022	48,920	186,625
2023	49,498	188,788

Maternal mortality chart: Guinea-Bissau vs Sierra Leone

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 505 deaths per 100,000 live births in Guinea-Bissau, compared to 354 deaths in Sierra Leone.

Table

Year	Maternal mortality per 100K births
	Guinea-Bissau	Sierra Leone
1985	1,851	1,506
1986	1,825	1,530
1987	1,796	1,533
1988	1,759	1,549
1989	1,698	1,575
1990	1,709	1,572
1991	1,663	1,699
1992	1,633	1,681
1993	1,613	1,696
1994	1,644	1,755
1995	1,556	1,777
1996	1,539	1,726
1997	1,642	1,721
1998	1,465	1,753
1999	1,461	1,731
2000	1,295	1,603
2001	1,222	1,518
2002	1,141	1,492
2003	1,069	1,433
2004	980	1,366
2005	956	1,294
2006	831	1,168
2007	792	1,132
2008	802	1,093
2009	753	1,054
2010	698	1,018
2011	678	967
2012	704	915
2013	707	842
2014	662	821
2015	631	730
2016	617	633
2017	597	578
2018	585	491
2019	598	464
2020	603	422
2021	617	403
2022	539	370
2023	505	354

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 6.93% in Guinea-Bissau and 9.43% in Sierra Leone. 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
	Guinea-Bissau	Sierra Leone
1960	-	39.1%
1961	-	38.5%
1962	-	38%
1963	-	37.4%
1964	-	36.8%
1965	-	36.2%
1966	-	35.6%
1967	-	35%
1968	-	34.5%
1969	-	33.9%
1970	-	33.4%
1971	-	32.9%
1972	-	32.3%
1973	-	31.9%
1974	-	31.4%
1975	-	30.9%
1976	-	30.5%
1977	-	30%
1978	-	29.6%
1979	-	29.2%
1980	-	28.9%
1981	-	28.5%
1982	-	28.1%
1983	-	27.8%
1984	-	27.5%
1985	24.4%	27.2%
1986	24%	26.9%
1987	23.5%	26.6%
1988	23.1%	26.4%
1989	22.7%	26.2%
1990	22.2%	25.9%
1991	21.8%	25.7%
1992	21.3%	25.5%
1993	20.9%	25.3%
1994	20.4%	25%
1995	19.9%	24.7%
1996	19.4%	24.3%
1997	18.9%	23.9%
1998	18.4%	23.4%
1999	17.9%	22.9%
2000	17.4%	22.4%
2001	16.8%	21.8%
2002	16.3%	21.3%
2003	15.7%	20.7%
2004	15.1%	20.1%
2005	14.5%	19.4%
2006	13.9%	18.8%
2007	13.2%	18.1%
2008	12.6%	17.3%
2009	12%	16.6%
2010	11.4%	15.9%
2011	10.9%	15.2%
2012	10.4%	14.5%
2013	9.93%	13.9%
2014	9.53%	13.7%
2015	9.18%	13.8%
2016	8.84%	12.3%
2017	8.53%	11.8%
2018	8.21%	11.3%
2019	7.91%	10.9%
2020	7.66%	10.5%
2021	7.41%	10.1%
2022	7.16%	9.77%
2023	6.93%	9.43%