Fertility & birth rates in Burundi and Sierra Leone

Fertility rate in Burundi vs Sierra Leone chart

According to the latest available data on birth rates, the fertility rate in Burundi was 4.88 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 Burundi 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
	Burundi	Sierra Leone
1960	7	6.18
1961	7.02	6.21
1962	7.04	6.22
1963	7.07	6.26
1964	7.09	6.29
1965	7.11	6.31
1966	7.14	6.35
1967	7.16	6.38
1968	7.18	6.39
1969	7.22	6.39
1970	7.21	6.41
1971	7.21	6.43
1972	7.21	6.45
1973	7.22	6.47
1974	7.22	6.53
1975	7.24	6.55
1976	7.25	6.55
1977	7.25	6.57
1978	7.26	6.59
1979	7.31	6.58
1980	7.35	6.56
1981	7.33	6.55
1982	7.31	6.56
1983	7.3	6.57
1984	7.3	6.59
1985	7.29	6.59
1986	7.32	6.6
1987	7.38	6.61
1988	7.38	6.59
1989	7.39	6.57
1990	7.37	6.57
1991	7.34	6.55
1992	7.3	6.56
1993	7.27	6.57
1994	7.23	6.56
1995	7.18	6.56
1996	7.12	6.55
1997	7.04	6.53
1998	6.96	6.5
1999	6.9	6.42
2000	6.87	6.36
2001	6.85	6.31
2002	6.82	6.23
2003	6.79	6.09
2004	6.75	5.92
2005	6.71	5.81
2006	6.66	5.74
2007	6.59	5.64
2008	6.52	5.56
2009	6.41	5.45
2010	6.26	5.33
2011	6.11	5.21
2012	5.99	5.06
2013	5.89	4.87
2014	5.79	4.7
2015	5.7	4.55
2016	5.59	4.47
2017	5.48	4.39
2018	5.38	4.29
2019	5.27	4.19
2020	5.18	4.08
2021	5.08	3.98
2022	4.98	3.88
2023	4.88	3.79
2024	4.79	3.7
2025	4.68	3.61
2026	4.57	3.53
2027	4.46	3.47
2028	4.37	3.37
2029	4.28	3.3
2030	4.2	3.23
2031	4.11	3.18
2032	4.03	3.12
2033	3.95	3.07
2034	3.85	3.02
2035	3.78	2.97
2036	3.69	2.92
2037	3.62	2.88
2038	3.55	2.84
2039	3.49	2.79
2040	3.43	2.76
2041	3.37	2.72
2042	3.32	2.68
2043	3.27	2.65
2044	3.22	2.62
2045	3.17	2.58
2046	3.13	2.55
2047	3.08	2.53
2048	3.04	2.5
2049	3	2.47
2050	2.96	2.45

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Burundi	Sierra Leone
1960	45.1%	38.2%
1961	45.2%	38.3%
1962	45.3%	38.3%
1963	45.5%	38.5%
1964	45.5%	38.8%
1965	45.4%	39.1%
1966	45.2%	39.4%
1967	45%	39.6%
1968	44.9%	39.9%
1969	44.9%	40.1%
1970	44.9%	40.3%
1971	44.9%	40.6%
1972	45.5%	40.7%
1973	46%	40.9%
1974	45.8%	41.1%
1975	45.7%	41.3%
1976	45.8%	41.4%
1977	45.8%	41.6%
1978	45.7%	41.7%
1979	45.8%	41.8%
1980	45.4%	41.9%
1981	45.2%	42%
1982	45.6%	42.1%
1983	45.9%	42.2%
1984	46.3%	42.3%
1985	46.8%	42.5%
1986	47.3%	42.6%
1987	47.6%	42.7%
1988	48%	42.8%
1989	48.4%	42.9%
1990	48.7%	42.9%
1991	48.9%	43%
1992	48.9%	43.1%
1993	51%	43.2%
1994	51.1%	43.3%
1995	49.1%	43.4%
1996	49.6%	43.5%
1997	49.9%	43.5%
1998	49.4%	43.6%
1999	48.7%	43.7%
2000	48.3%	43.8%
2001	47.7%	43.9%
2002	47.2%	43.9%
2003	46.7%	43.9%
2004	46.2%	43.9%
2005	45.8%	43.8%
2006	45.6%	43.7%
2007	45.4%	43.6%
2008	45.2%	43.5%
2009	45%	43.4%
2010	45.1%	43.2%
2011	45.4%	43%
2012	45.7%	42.8%
2013	46.1%	42.5%
2014	46.4%	42.2%
2015	47%	41.8%
2016	47.7%	41.4%
2017	47.9%	41%
2018	47.8%	40.6%
2019	47.3%	40.2%
2020	47%	39.8%
2021	46.5%	39.4%
2022	46%	39%
2023	45.4%	38.5%
2024	44.7%	38.1%
2025	44%	37.7%
2026	43.2%	37.2%
2027	42.5%	36.8%
2028	41.7%	36.3%
2029	41%	35.9%
2030	40.3%	35.5%
2031	39.7%	35.2%
2032	39.2%	34.8%
2033	38.8%	34.4%
2034	38.5%	34%
2035	38.1%	33.6%
2036	37.8%	33.2%
2037	37.5%	32.8%
2038	37.2%	32.4%
2039	36.9%	32%
2040	36.6%	31.6%
2041	36.4%	31.2%
2042	36.1%	30.9%
2043	35.9%	30.5%
2044	35.6%	30.2%
2045	35.4%	29.8%
2046	35.1%	29.5%
2047	34.8%	29.2%
2048	34.4%	28.8%
2049	34.1%	28.5%
2050	33.7%	28.2%

Children aged 0-14 make up 44.7% of the population in Burundi and 38.1% in Sierra Leone in 2024, compared to 48.7% and 42.9% respectively in 1990.

Demographics of Burundi and Sierra Leone compared.

Natural population change in Burundi vs Sierra Leone by year

For the past 10 years, the annual natural population change (excluding migration) has been +3% in Burundi 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
	Burundi	Sierra Leone
1960	70,032	38,192
1961	71,216	40,022
1962	74,710	41,603
1963	75,962	43,569
1964	77,528	45,487
1965	78,208	47,223
1966	83,651	49,486
1967	86,373	51,734
1968	88,765	53,126
1969	90,852	54,768
1970	92,476	56,513
1971	95,153	58,484
1972	30,532	60,279
1973	74,805	62,443
1974	95,486	65,357
1975	101,172	67,560
1976	104,396	69,506
1977	108,488	71,663
1978	114,884	74,130
1979	123,377	75,992
1980	127,746	77,932
1981	146,231	80,111
1982	147,090	82,457
1983	152,801	84,628
1984	154,366	87,072
1985	156,896	88,869
1986	156,170	90,902
1987	157,481	94,235
1988	145,234	96,344
1989	157,547	98,298
1990	156,617	100,778
1991	156,148	105,477
1992	156,420	103,251
1993	128,898	103,317
1994	112,968	101,486
1995	160,284	100,885
1996	158,920	104,140
1997	150,404	105,433
1998	154,010	103,906
1999	166,699	102,295
2000	173,867	110,754
2001	184,541	116,647
2002	201,892	126,429
2003	216,295	130,312
2004	234,891	132,661
2005	253,401	137,234
2006	269,874	144,127
2007	285,323	145,740
2008	300,750	149,855
2009	319,583	152,669
2010	341,808	155,338
2011	348,934	158,858
2012	354,068	160,915
2013	362,224	161,265
2014	367,797	160,137
2015	370,856	162,275
2016	358,393	168,784
2017	353,879	173,259
2018	351,704	178,772
2019	357,672	181,068
2020	361,654	181,015
2021	359,844	183,326
2022	363,786	186,625
2023	368,917	188,788

Maternal mortality chart: Burundi vs Sierra Leone

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 392 deaths per 100,000 live births in Burundi, compared to 354 deaths in Sierra Leone.

Table

Year	Maternal mortality per 100K births
	Burundi	Sierra Leone
1985	1,428	1,506
1986	1,441	1,530
1987	1,446	1,533
1988	1,519	1,549
1989	1,511	1,575
1990	1,515	1,572
1991	1,513	1,699
1992	1,464	1,681
1993	1,801	1,696
1994	1,215	1,755
1995	1,293	1,777
1996	1,236	1,726
1997	1,100	1,721
1998	969	1,753
1999	899	1,731
2000	860	1,603
2001	799	1,518
2002	743	1,492
2003	705	1,433
2004	687	1,366
2005	685	1,294
2006	670	1,168
2007	655	1,132
2008	635	1,093
2009	612	1,054
2010	614	1,018
2011	597	967
2012	575	915
2013	555	842
2014	533	821
2015	525	730
2016	501	633
2017	482	578
2018	464	491
2019	449	464
2020	441	422
2021	447	403
2022	412	370
2023	392	354

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 4.92% in Burundi 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
	Burundi	Sierra Leone
1960	-	39.1%
1961	-	38.5%
1962	-	38%
1963	-	37.4%
1964	24.2%	36.8%
1965	24.4%	36.2%
1966	24.5%	35.6%
1967	24.7%	35%
1968	24.9%	34.5%
1969	25%	33.9%
1970	25.1%	33.4%
1971	25.1%	32.9%
1972	31.9%	32.3%
1973	25.2%	31.9%
1974	25.2%	31.4%
1975	25.1%	30.9%
1976	25%	30.5%
1977	24.6%	30%
1978	24.1%	29.6%
1979	23.3%	29.2%
1980	22.4%	28.9%
1981	21.4%	28.5%
1982	20.3%	28.1%
1983	19.3%	27.8%
1984	18.4%	27.5%
1985	17.7%	27.2%
1986	17.2%	26.9%
1987	16.9%	26.6%
1988	16.8%	26.4%
1989	16.9%	26.2%
1990	17%	25.9%
1991	17.1%	25.7%
1992	17.2%	25.5%
1993	19.5%	25.3%
1994	17.2%	25%
1995	17.1%	24.7%
1996	17%	24.3%
1997	16.7%	23.9%
1998	16.3%	23.4%
1999	15.9%	22.9%
2000	15.4%	22.4%
2001	14.9%	21.8%
2002	14.3%	21.3%
2003	13.7%	20.7%
2004	13.1%	20.1%
2005	12.4%	19.4%
2006	11.7%	18.8%
2007	11%	18.1%
2008	10.3%	17.3%
2009	9.66%	16.6%
2010	9.08%	15.9%
2011	8.53%	15.2%
2012	8.02%	14.5%
2013	7.55%	13.9%
2014	7.13%	13.7%
2015	6.76%	13.8%
2016	6.44%	12.3%
2017	6.15%	11.8%
2018	5.9%	11.3%
2019	5.67%	10.9%
2020	5.46%	10.5%
2021	5.26%	10.1%
2022	5.08%	9.77%
2023	4.92%	9.43%