Fertility & birth rates in Comoros and Sierra Leone

Fertility rate in Comoros vs Sierra Leone by year

Chart Table

Comoros

Sierra Leone

1x

Year	Fertility rate
	Comoros	Sierra Leone
2023	3.88	3.79
2022	3.94	3.88
2021	4	3.98
2020	4.07	4.08
2019	4.14	4.19
2018	4.21	4.29
2017	4.28	4.39
2016	4.35	4.47
2015	4.42	4.55
2014	4.49	4.7
2013	4.57	4.87
2012	4.65	5.06
2011	4.72	5.21
2010	4.76	5.33
2009	4.78	5.45
2008	4.81	5.56
2007	4.86	5.64
2006	4.93	5.74
2005	5.01	5.81
2004	5.07	5.92
2003	5.12	6.09
2002	5.16	6.23
2001	5.2	6.31
2000	5.23	6.36
1999	5.28	6.42
1998	5.39	6.5
1997	5.51	6.53
1996	5.63	6.55
1995	5.73	6.56
1994	5.86	6.56
1993	6.02	6.57
1992	6.19	6.56
1991	6.35	6.55
1990	6.51	6.57
1989	6.65	6.57
1988	6.76	6.59
1987	6.87	6.61
1986	6.95	6.6
1985	7.02	6.59
1984	7.07	6.59
1983	7.11	6.57
1982	7.13	6.56
1981	7.14	6.55
1980	7.15	6.56
1979	7.16	6.58
1978	7.16	6.59
1977	7.15	6.57
1976	7.16	6.55
1975	7.16	6.55
1974	7.16	6.53
1973	7.17	6.47
1972	7.14	6.45
1971	7.12	6.43
1970	7.1	6.41
1969	7.07	6.39
1968	7.05	6.39
1967	7.02	6.38
1966	7	6.35
1965	6.97	6.31
1964	6.94	6.29
1963	6.92	6.26
1962	6.9	6.22
1961	6.85	6.21
1960	6.79	6.18

According to the latest available data on birth rates, the fertility rate in Comoros was 3.88 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 Comoros vs Sierra Leone population clock for a dynamic visualization of the changing population.

Natural population change by year

Chart Table

Comoros

Sierra Leone

1x

Year	Natural population change
	Comoros	Sierra Leone
2023	18,247	188,788
2022	18,154	186,625
2021	17,645	183,326
2020	17,906	181,015
2019	17,936	181,068
2018	17,883	178,772
2017	17,798	173,259
2016	17,913	168,784
2015	17,961	162,275
2014	17,876	160,137
2013	17,776	161,265
2012	17,565	160,915
2011	17,313	158,858
2010	16,849	155,338
2009	16,315	152,669
2008	15,804	149,855
2007	15,393	145,740
2006	15,124	144,127
2005	14,810	137,234
2004	14,349	132,661
2003	14,031	130,312
2002	13,760	126,429
2001	13,598	116,647
2000	13,270	110,754
1999	13,161	102,295
1998	13,099	103,906
1997	13,254	105,433
1996	13,390	104,140
1995	13,403	100,885
1994	13,465	101,486
1993	13,667	103,317
1992	13,867	103,251
1991	13,783	105,477
1990	13,610	100,778
1989	13,374	98,298
1988	13,144	96,344
1987	12,869	94,235
1986	12,566	90,902
1985	12,202	88,869
1984	11,830	87,072
1983	11,367	84,628
1982	11,002	82,457
1981	10,569	80,111
1980	10,095	77,932
1979	9,637	75,992
1978	9,189	74,130
1977	8,750	71,663
1976	8,371	69,506
1975	7,752	67,560
1974	7,654	65,357
1973	7,328	62,443
1972	7,019	60,279
1971	6,722	58,484
1970	6,456	56,513
1969	6,189	54,768
1968	5,960	53,126
1967	5,741	51,734
1966	5,601	49,486
1965	5,465	47,223
1964	5,359	45,487
1963	5,249	43,569
1962	5,157	41,603
1961	5,027	40,022
1960	4,886	38,192

The chart above illustrates the comparison of the absolute yearly changes in population resulting from births and deaths.

Excluding migration, the natural population change due to births and deaths from 2022 to 2023 was +2.15% in Comoros and +2.23% in Sierra Leone.

For the past 10 years, the annual natural population change has been +2.31% in Comoros and +2.31% in Sierra Leone.

Birth rate in Comoros vs Sierra Leone by year

Chart Table

Comoros

Sierra Leone

Annual births per 1,000 people

1x

Year	Annual births per 1,000 people
	Comoros	Sierra Leone
2023	28.7	30.6
2022	29.1	31.1
2021	29.5	31.6
2020	30	32.2
2019	30.4	32.8
2018	30.9	33.3
2017	31.4	33.8
2016	32.1	34.2
2015	32.8	34.7
2014	33.3	35.6
2013	33.9	36.6
2012	34.2	37.8
2011	34.5	38.5
2010	34.4	39.1
2009	34.3	39.9
2008	34.1	40.6
2007	34.1	41.1
2006	34.3	41.8
2005	34.4	42
2004	34.3	42.5
2003	34.5	43.5
2002	34.7	44.3
2001	35.1	44
2000	35.4	45
1999	35.7	46.1
1998	36.4	46.3
1997	37.3	46.3
1996	38.1	46.5
1995	38.9	46.8
1994	39.7	46.8
1993	41	46.9
1992	42.3	47
1991	43	47.5
1990	43.7	45.5
1989	44.4	46.3
1988	45	46.4
1987	45.6	46.6
1986	46	46.6
1985	46.4	46.7
1984	46.6	46.8
1983	46.7	46.7
1982	46.9	46.8
1981	46.9	46.8
1980	46.8	46.8
1979	46.7	47
1978	46.6	47.2
1977	46.4	47.1
1976	46.5	47.2
1975	46.5	47.3
1974	46.5	47.4
1973	46.7	47.2
1972	46.8	47.2
1971	47	47.3
1970	47.2	47.4
1969	47.4	47.5
1968	47.6	47.7
1967	47.8	47.9
1966	48.3	48
1965	48.5	48
1964	48.7	48.2
1963	49	48.2
1962	49.3	48.1
1961	49.4	48.1
1960	49.4	48

The latest reported birth rate per 1,000 people in 2023 was 28.7 in Comoros and 30.6 in Sierra Leone, compared with 49.4 and 48, respectively, in 1960.

Children 0-14 years as share of population

Chart Table

Comoros

Factual

UN forecast

Sierra Leone

Factual

UN forecast

1x

Year	Young
	Comoros	Sierra Leone
2100	19.8%	19%
2099	19.9%	19%
2098	20.1%	19.1%
2097	20.2%	19.2%
2096	20.4%	19.3%
2095	20.5%	19.5%
2094	20.7%	19.6%
2093	20.9%	19.7%
2092	21%	19.8%
2091	21.2%	19.9%
2090	21.4%	20%
2089	21.5%	20.1%
2088	21.7%	20.3%
2087	21.9%	20.4%
2086	22.1%	20.5%
2085	22.2%	20.7%
2084	22.4%	20.8%
2083	22.6%	20.9%
2082	22.8%	21.1%
2081	22.9%	21.2%
2080	23.1%	21.4%
2079	23.3%	21.6%
2078	23.5%	21.7%
2077	23.7%	21.9%
2076	23.9%	22.1%
2075	24.1%	22.2%
2074	24.3%	22.4%
2073	24.5%	22.6%
2072	24.7%	22.8%
2071	24.9%	23%
2070	25.1%	23.2%
2069	25.3%	23.4%
2068	25.6%	23.6%
2067	25.8%	23.8%
2066	26.1%	24%
2065	26.3%	24.3%
2064	26.5%	24.5%
2063	26.8%	24.7%
2062	27%	25%
2061	27.3%	25.2%
2060	27.6%	25.5%
2059	27.8%	25.7%
2058	28.1%	26%
2057	28.3%	26.3%
2056	28.6%	26.6%
2055	28.8%	26.9%
2054	29.1%	27.1%
2053	29.3%	27.4%
2052	29.5%	27.7%
2051	29.8%	28.1%
2050	30%	28.4%
2049	30.2%	28.7%
2048	30.5%	29%
2047	30.7%	29.3%
2046	30.9%	29.7%
2045	31.1%	30%
2044	31.4%	30.3%
2043	31.6%	30.7%
2042	31.8%	31.1%
2041	32.1%	31.4%
2040	32.4%	31.8%
2039	32.6%	32.2%
2038	32.9%	32.6%
2037	33.2%	33%
2036	33.5%	33.4%
2035	33.9%	33.8%
2034	34.2%	34.2%
2033	34.5%	34.6%
2032	34.9%	35%
2031	35.2%	35.4%
2030	35.5%	35.7%
2029	35.8%	36.1%
2028	36.1%	36.5%
2027	36.4%	37%
2026	36.7%	37.4%
2025	37%	37.9%
2024	37.1%	38.1%
2023	37.4%	38.5%
2022	37.7%	39%
2021	38%	39.4%
2020	38.3%	39.8%
2019	38.6%	40.2%
2018	38.9%	40.6%
2017	39.3%	41%
2016	39.6%	41.4%
2015	39.8%	41.8%
2014	40%	42.2%
2013	40.2%	42.5%
2012	40.5%	42.8%
2011	41%	43%
2010	41.6%	43.2%
2009	42.2%	43.4%
2008	42.9%	43.5%
2007	43.6%	43.6%
2006	44.3%	43.7%
2005	45%	43.8%
2004	45.7%	43.9%
2003	46.3%	43.9%
2002	46.6%	43.9%
2001	46.7%	43.9%
2000	47%	43.8%
1999	47.4%	43.7%
1998	47.7%	43.6%
1997	47.9%	43.5%
1996	47.9%	43.5%
1995	47.9%	43.4%
1994	47.7%	43.3%
1993	47.5%	43.2%
1992	47.1%	43.1%
1991	46.9%	43%
1990	47%	42.9%
1989	47%	42.9%
1988	46.9%	42.8%
1987	46.9%	42.7%
1986	46.9%	42.6%
1985	46.9%	42.5%
1984	46.8%	42.3%
1983	46.9%	42.2%
1982	46.9%	42.1%
1981	46.9%	42%
1980	46.9%	41.9%
1979	46.9%	41.8%
1978	46.8%	41.7%
1977	46.7%	41.6%
1976	46.6%	41.4%
1975	46.4%	41.3%
1974	46.3%	41.1%
1973	46.2%	40.9%
1972	46%	40.7%
1971	45.9%	40.6%
1970	45.8%	40.3%
1969	45.6%	40.1%
1968	45.3%	39.9%
1967	44.9%	39.6%
1966	44.5%	39.4%
1965	44.1%	39.1%
1964	43.7%	38.8%
1963	43.1%	38.5%
1962	42.5%	38.3%
1961	42%	38.3%
1960	41.6%	38.2%

Children aged 0-14 make up 37.1% of the population in Comoros and 38.1% in Sierra Leone in 2024, compared to 47% and 42.9% respectively in 1990.

Demographics of Comoros and Sierra Leone compared.

Maternal mortality chart: Comoros vs Sierra Leone

Chart Table

Comoros

Sierra Leone

1x

Year	Maternal mortality per 100K births
	Comoros	Sierra Leone
2023	179	354
2022	186	370
2021	215	403
2020	198	422
2019	202	464
2018	209	491
2017	219	578
2016	225	633
2015	237	730
2014	247	821
2013	260	842
2012	274	915
2011	291	967
2010	305	1,018
2009	320	1,054
2008	334	1,093
2007	352	1,132
2006	360	1,168
2005	373	1,294
2004	385	1,366
2003	400	1,433
2002	428	1,492
2001	440	1,518
2000	476	1,603
1999	486	1,731
1998	515	1,753
1997	520	1,721
1996	545	1,726
1995	571	1,777
1994	602	1,755
1993	642	1,696
1992	675	1,681
1991	704	1,699
1990	737	1,572
1989	768	1,575
1988	791	1,549
1987	811	1,533
1986	825	1,530
1985	850	1,506

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 179 deaths per 100,000 live births in Comoros, compared to 354 deaths in Sierra Leone.

Under-five mortality rates

Chart Table

Comoros

Sierra Leone

Probability that a newborn baby will die before reaching age five

1x

Year	Under 5 mortality rate
	Comoros	Sierra Leone
2023	3.98%	9.43%
2022	4.11%	9.77%
2021	4.24%	10.1%
2020	4.35%	10.5%
2019	4.46%	10.9%
2018	4.56%	11.3%
2017	4.66%	11.8%
2016	4.76%	12.3%
2015	4.87%	13.8%
2014	4.97%	13.7%
2013	5.08%	13.9%
2012	5.21%	14.5%
2011	5.36%	15.2%
2010	5.51%	15.9%
2009	5.69%	16.6%
2008	5.88%	17.3%
2007	6.08%	18.1%
2006	6.31%	18.8%
2005	6.55%	19.4%
2004	6.8%	20.1%
2003	7.07%	20.7%
2002	7.36%	21.3%
2001	7.65%	21.8%
2000	7.96%	22.4%
1999	8.28%	22.9%
1998	8.63%	23.4%
1997	9%	23.9%
1996	9.37%	24.3%
1995	9.78%	24.7%
1994	10.2%	25%
1993	10.7%	25.3%
1992	11.1%	25.5%
1991	11.6%	25.7%
1990	12.1%	25.9%
1989	12.6%	26.2%
1988	13%	26.4%
1987	13.5%	26.6%
1986	14%	26.9%
1985	14.6%	27.2%
1984	15.1%	27.5%
1983	15.7%	27.8%
1982	16.2%	28.1%
1981	16.8%	28.5%
1980	17.4%	28.9%
1979	18%	29.2%
1978	18.6%	29.6%
1977	19.1%	30%
1976	19.7%	30.5%
1975	20.3%	30.9%
1974	20.8%	31.4%
1973	21.4%	31.9%
1972	22%	32.3%
1971	22.5%	32.9%
1970	23.2%	33.4%
1969	-	33.9%
1968	-	34.5%
1967	-	35%
1966	-	35.6%
1965	-	36.2%
1964	-	36.8%
1963	-	37.4%
1962	-	38%
1961	-	38.5%
1960	-	39.1%

The chance that a newborn baby will die before reaching age five is 3.98% in Comoros and 9.43% in Sierra Leone. Above is a chart with historical data on under-five mortality rates.