Fertility & birth rates in Guinea-Bissau and Sri Lanka

Fertility rate in Guinea-Bissau vs Sri Lanka 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 1.97 in Sri Lanka in 2023. The replacement level is considered to be 2.1 children per woman.

Check Guinea-Bissau vs Sri Lanka 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	Sri Lanka
1960	5.92	5.35
1961	5.93	5.24
1962	5.94	5.18
1963	5.95	5.12
1964	5.96	5.06
1965	5.97	4.93
1966	5.98	4.83
1967	5.99	4.79
1968	6.01	4.66
1969	6.02	4.5
1970	6.04	4.39
1971	6.06	4.27
1972	6.08	4.16
1973	6.1	4
1974	6.12	3.86
1975	6.15	3.82
1976	6.19	3.78
1977	6.25	3.74
1978	6.32	3.81
1979	6.4	3.82
1980	6.49	3.73
1981	6.57	3.65
1982	6.64	3.32
1983	6.69	3.11
1984	6.73	3.01
1985	6.74	2.9
1986	6.73	2.74
1987	6.72	2.64
1988	6.69	2.57
1989	6.66	2.58
1990	6.5	2.54
1991	6.47	2.51
1992	6.44	2.49
1993	6.37	2.44
1994	6.3	2.4
1995	6.22	2.35
1996	6.14	2.29
1997	6.06	2.22
1998	5.97	2.14
1999	5.87	2.14
2000	5.79	2.21
2001	5.69	2.28
2002	5.63	2.31
2003	5.58	2.3
2004	5.5	2.27
2005	5.46	2.26
2006	5.41	2.29
2007	5.37	2.3
2008	5.27	2.23
2009	5.18	2.18
2010	5.11	2.13
2011	5.07	2.14
2012	5	2.17
2013	4.93	2.18
2014	4.79	2.13
2015	4.66	2.09
2016	4.52	2.06
2017	4.35	2.04
2018	4.24	2.03
2019	4.15	2.02
2020	4.08	2.01
2021	4	2
2022	3.91	1.98
2023	3.84	1.97
2024	3.76	1.95
2025	3.68	1.94
2026	3.62	1.93
2027	3.56	1.91
2028	3.5	1.9
2029	3.44	1.89
2030	3.37	1.88
2031	3.31	1.87
2032	3.25	1.86
2033	3.2	1.85
2034	3.15	1.85
2035	3.09	1.84
2036	3.04	1.83
2037	3	1.83
2038	2.95	1.82
2039	2.91	1.81
2040	2.87	1.81
2041	2.84	1.8
2042	2.8	1.8
2043	2.77	1.8
2044	2.74	1.79
2045	2.71	1.79
2046	2.67	1.79
2047	2.64	1.78
2048	2.62	1.78
2049	2.59	1.77
2050	2.56	1.77

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Guinea-Bissau	Sri Lanka
1960	36.9%	41%
1961	37.1%	40.9%
1962	37.7%	40.8%
1963	38.4%	40.7%
1964	39.6%	40.6%
1965	41%	40.5%
1966	41.9%	40.4%
1967	42.1%	40.3%
1968	41.8%	40.1%
1969	41.9%	39.9%
1970	41.9%	39.7%
1971	41.9%	39.5%
1972	41.9%	39.2%
1973	41.6%	38.8%
1974	41.4%	38.4%
1975	41.8%	38%
1976	42.6%	37.6%
1977	43.7%	37.2%
1978	44.8%	36.9%
1979	45.1%	36.7%
1980	45%	36.4%
1981	45.3%	36.2%
1982	45.5%	36%
1983	45.7%	35.8%
1984	45.9%	35.5%
1985	45.9%	35.2%
1986	46%	34.6%
1987	45.9%	34%
1988	45.9%	33.5%
1989	45.8%	33%
1990	45.7%	32.5%
1991	45.5%	32.1%
1992	45.5%	31.4%
1993	45.4%	30.6%
1994	45.4%	29.9%
1995	45.3%	29.2%
1996	45.2%	28.6%
1997	45.1%	28.2%
1998	45%	27.8%
1999	44.8%	27.4%
2000	44.7%	27%
2001	44.5%	26.6%
2002	44.3%	26.3%
2003	44.2%	26.1%
2004	44%	26%
2005	43.9%	25.8%
2006	43.8%	25.7%
2007	43.6%	25.7%
2008	43.5%	25.6%
2009	43.3%	25.5%
2010	43.2%	25.4%
2011	43%	25.3%
2012	42.8%	25.2%
2013	42.7%	25%
2014	42.5%	24.9%
2015	42.2%	24.7%
2016	42%	24.5%
2017	41.7%	24.2%
2018	41.3%	24%
2019	40.9%	23.7%
2020	40.5%	23.3%
2021	40.1%	23%
2022	39.7%	22.7%
2023	39.2%	22.4%
2024	38.8%	22%
2025	38.3%	21.7%
2026	37.8%	21.4%
2027	37.4%	21.1%
2028	36.9%	20.8%
2029	36.4%	20.5%
2030	36%	20.2%
2031	35.5%	20%
2032	35.1%	19.8%
2033	34.8%	19.6%
2034	34.4%	19.4%
2035	34.1%	19.2%
2036	33.7%	19.1%
2037	33.4%	18.9%
2038	33%	18.8%
2039	32.7%	18.7%
2040	32.4%	18.6%
2041	32%	18.4%
2042	31.7%	18.3%
2043	31.4%	18.2%
2044	31%	18.1%
2045	30.7%	18%
2046	30.4%	17.9%
2047	30.1%	17.7%
2048	29.7%	17.6%
2049	29.4%	17.5%
2050	29.1%	17.3%

Children aged 0-14 make up 38.8% of the population in Guinea-Bissau and 22% in Sri Lanka in 2024, compared to 45.7% and 32.5% respectively in 1990.

Demographics of Guinea-Bissau and Sri Lanka compared.

Natural population change in Guinea-Bissau vs Sri Lanka by year

For the past 10 years, the annual natural population change (excluding migration) has been +2.44% in Guinea-Bissau and +0.75% in Sri Lanka. 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	Sri Lanka
1960	10,618	247,631
1961	10,756	251,087
1962	10,662	256,719
1963	9,190	262,880
1964	8,989	269,584
1965	7,789	272,422
1966	6,955	275,549
1967	6,742	284,738
1968	7,289	286,642
1969	7,857	286,218
1970	7,632	286,719
1971	8,183	281,200
1972	7,911	282,494
1973	8,430	278,577
1974	10,321	275,521
1975	11,998	282,496
1976	13,688	291,816
1977	15,484	300,038
1978	17,468	317,055
1979	19,736	329,791
1980	21,024	328,155
1981	21,611	328,096
1982	22,131	300,030
1983	22,542	277,768
1984	22,861	263,175
1985	23,116	247,836
1986	23,301	233,782
1987	23,549	226,414
1988	23,940	219,184
1989	24,286	212,401
1990	23,936	224,454
1991	24,527	218,117
1992	25,747	222,230
1993	26,943	226,257
1994	27,895	228,904
1995	29,142	221,957
1996	29,778	215,290
1997	29,792	208,193
1998	30,390	201,059
1999	30,916	206,876
2000	32,816	227,060
2001	33,461	244,377
2002	34,561	252,840
2003	35,649	252,008
2004	36,495	212,527
2005	37,347	248,683
2006	38,886	248,706
2007	40,288	248,287
2008	40,841	232,225
2009	41,950	200,175
2010	43,067	224,325
2011	44,405	224,461
2012	45,480	229,138
2013	46,472	221,021
2014	46,615	211,541
2015	46,846	201,815
2016	46,814	194,232
2017	46,318	187,993
2018	46,659	183,610
2019	47,196	172,243
2020	46,718	170,968
2021	47,242	121,858
2022	48,920	95,378
2023	49,498	66,111

Maternal mortality chart: Guinea-Bissau vs Sri Lanka

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 18 deaths in Sri Lanka.

Table

Year	Maternal mortality per 100K births
	Guinea-Bissau	Sri Lanka
1985	1,851	68
1986	1,825	66
1987	1,796	64
1988	1,759	62
1989	1,698	61
1990	1,709	59
1991	1,663	57
1992	1,633	54
1993	1,613	51
1994	1,644	49
1995	1,556	48
1996	1,539	47
1997	1,642	45
1998	1,465	43
1999	1,461	41
2000	1,295	39
2001	1,222	37
2002	1,141	36
2003	1,069	35
2004	980	37
2005	956	32
2006	831	32
2007	792	31
2008	802	30
2009	753	28
2010	698	26
2011	678	25
2012	704	24
2013	707	23
2014	662	23
2015	631	22
2016	617	22
2017	597	21
2018	585	21
2019	598	20
2020	603	23
2021	617	34
2022	539	22
2023	505	18

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 6.93% in Guinea-Bissau and 0.61% in Sri Lanka. 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	Sri Lanka
1960	-	9.41%
1961	-	8.95%
1962	-	8.66%
1963	-	8.48%
1964	-	8.3%
1965	-	8.07%
1966	-	7.81%
1967	-	7.55%
1968	-	7.32%
1969	-	7.14%
1970	-	7.02%
1971	-	6.94%
1972	-	6.86%
1973	-	6.77%
1974	-	6.62%
1975	-	6.41%
1976	-	6.12%
1977	-	5.77%
1978	-	5.38%
1979	-	4.99%
1980	-	4.63%
1981	-	4.29%
1982	-	3.98%
1983	-	3.67%
1984	-	3.35%
1985	24.4%	3.02%
1986	24%	2.74%
1987	23.5%	2.54%
1988	23.1%	2.41%
1989	22.7%	2.74%
1990	22.2%	2.33%
1991	21.8%	2.32%
1992	21.3%	2.29%
1993	20.9%	2.22%
1994	20.4%	2.14%
1995	19.9%	2.05%
1996	19.4%	1.95%
1997	18.9%	1.86%
1998	18.4%	1.76%
1999	17.9%	1.69%
2000	17.4%	1.63%
2001	16.8%	1.58%
2002	16.3%	1.55%
2003	15.7%	1.52%
2004	15.1%	2.88%
2005	14.5%	1.4%
2006	13.9%	1.33%
2007	13.2%	1.26%
2008	12.6%	1.2%
2009	12%	2.08%
2010	11.4%	1.12%
2011	10.9%	1.08%
2012	10.4%	1.03%
2013	9.93%	0.98%
2014	9.53%	0.92%
2015	9.18%	0.87%
2016	8.84%	0.83%
2017	8.53%	0.79%
2018	8.21%	0.76%
2019	7.91%	0.72%
2020	7.66%	0.69%
2021	7.41%	0.66%
2022	7.16%	0.64%
2023	6.93%	0.61%