Fertility & birth rates in Comoros and Tanzania

Fertility rate in Comoros vs Tanzania by year

Chart Table

Comoros

Tanzania

1x

Year	Fertility rate
	Comoros	Tanzania
2023	3.88	4.61
2022	3.94	4.67
2021	4	4.73
2020	4.07	4.8
2019	4.14	4.87
2018	4.21	4.93
2017	4.28	4.99
2016	4.35	5.01
2015	4.42	5.03
2014	4.49	5.12
2013	4.57	5.16
2012	4.65	5.14
2011	4.72	5.14
2010	4.76	5.23
2009	4.78	5.26
2008	4.81	5.32
2007	4.86	5.4
2006	4.93	5.51
2005	5.01	5.58
2004	5.07	5.6
2003	5.12	5.58
2002	5.16	5.57
2001	5.2	5.62
2000	5.23	5.67
1999	5.28	5.75
1998	5.39	5.81
1997	5.51	5.84
1996	5.63	5.83
1995	5.73	5.82
1994	5.86	5.89
1993	6.02	6
1992	6.19	6.08
1991	6.35	6.14
1990	6.51	6.2
1989	6.65	6.3
1988	6.76	6.38
1987	6.87	6.41
1986	6.95	6.49
1985	7.02	6.6
1984	7.07	6.72
1983	7.11	6.81
1982	7.13	6.87
1981	7.14	6.93
1980	7.15	6.99
1979	7.16	7.04
1978	7.16	7.06
1977	7.15	7.07
1976	7.16	7.09
1975	7.16	7.1
1974	7.16	7.12
1973	7.17	7.06
1972	7.14	7.05
1971	7.12	7.04
1970	7.1	7
1969	7.07	6.95
1968	7.05	6.9
1967	7.02	6.86
1966	7	6.8
1965	6.97	6.73
1964	6.94	6.68
1963	6.92	6.65
1962	6.9	6.61
1961	6.85	6.56
1960	6.79	6.54

According to the latest available data on birth rates, the fertility rate in Comoros was 3.88 children per woman in 2023, compared to 4.61 in Tanzania in 2023. The replacement level is considered to be 2.1 children per woman.

Check Comoros vs Tanzania population clock for a dynamic visualization of the changing population.

Natural population change by year

Chart Table

Comoros

Tanzania

1x

Year	Natural population change
	Comoros	Tanzania
2023	18,247	1,960,623
2022	18,154	1,927,960
2021	17,645	1,880,137
2020	17,906	1,861,377
2019	17,936	1,816,669
2018	17,883	1,777,852
2017	17,798	1,726,909
2016	17,913	1,659,502
2015	17,961	1,592,882
2014	17,876	1,565,630
2013	17,776	1,509,008
2012	17,565	1,439,325
2011	17,313	1,384,886
2010	16,849	1,363,477
2009	16,315	1,332,015
2008	15,804	1,303,728
2007	15,393	1,278,285
2006	15,124	1,257,927
2005	14,810	1,224,165
2004	14,349	1,175,379
2003	14,031	1,118,435
2002	13,760	1,063,195
2001	13,598	1,026,242
2000	13,270	985,185
1999	13,161	948,659
1998	13,099	920,806
1997	13,254	882,544
1996	13,390	868,524
1995	13,403	838,980
1994	13,465	803,953
1993	13,667	778,044
1992	13,867	767,961
1991	13,783	762,011
1990	13,610	750,825
1989	13,374	743,854
1988	13,144	736,551
1987	12,869	718,580
1986	12,566	705,677
1985	12,202	697,867
1984	11,830	687,435
1983	11,367	679,720
1982	11,002	662,627
1981	10,569	645,496
1980	10,095	629,444
1979	9,637	613,388
1978	9,189	595,024
1977	8,750	574,938
1976	8,371	553,617
1975	7,752	533,906
1974	7,654	515,152
1973	7,328	488,429
1972	7,019	467,305
1971	6,722	449,014
1970	6,456	427,988
1969	6,189	408,322
1968	5,960	389,467
1967	5,741	374,763
1966	5,601	360,229
1965	5,465	343,456
1964	5,359	328,527
1963	5,249	314,644
1962	5,157	300,663
1961	5,027	286,839
1960	4,886	275,814

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 +2.94% in Tanzania.

For the past 10 years, the annual natural population change has been +2.31% in Comoros and +3.05% in Tanzania.

Birth rate in Comoros vs Tanzania by year

Chart Table

Comoros

Tanzania

Annual births per 1,000 people

1x

Year	Annual births per 1,000 people
	Comoros	Tanzania
2023	28.7	35.2
2022	29.1	35.6
2021	29.5	36
2020	30	36.4
2019	30.4	36.9
2018	30.9	37.3
2017	31.4	37.6
2016	32.1	37.6
2015	32.8	37.6
2014	33.3	38.4
2013	33.9	38.4
2012	34.2	38.1
2011	34.5	38.1
2010	34.4	38.8
2009	34.3	39.2
2008	34.1	39.6
2007	34.1	40.2
2006	34.3	41
2005	34.4	41.5
2004	34.3	41.5
2003	34.5	41.3
2002	34.7	41.2
2001	35.1	41.4
2000	35.4	41.5
1999	35.7	41.8
1998	36.4	42.1
1997	37.3	42.1
1996	38.1	42.3
1995	38.9	41.9
1994	39.7	41.5
1993	41	41.7
1992	42.3	42.3
1991	43	42.7
1990	43.7	43
1989	44.4	43.5
1988	45	44
1987	45.6	44.3
1986	46	44.9
1985	46.4	45.7
1984	46.6	46.4
1983	46.7	47.1
1982	46.9	47.5
1981	46.9	47.9
1980	46.8	48.3
1979	46.7	48.8
1978	46.6	49.2
1977	46.4	49.5
1976	46.5	49.8
1975	46.5	50.2
1974	46.5	50.6
1973	46.7	50.3
1972	46.8	50.4
1971	47	50.6
1970	47.2	50.4
1969	47.4	50.3
1968	47.6	50.2
1967	47.8	50.3
1966	48.3	50.2
1965	48.5	49.9
1964	48.7	49.8
1963	49	49.7
1962	49.3	49.4
1961	49.4	49.1
1960	49.4	49

The latest reported birth rate per 1,000 people in 2023 was 28.7 in Comoros and 35.2 in Tanzania, compared with 49.4 and 49, respectively, in 1960.

Children 0-14 years as share of population

Chart Table

Comoros

Factual

UN forecast

Tanzania

Factual

UN forecast

1x

Year	Young
	Comoros	Tanzania
2100	19.8%	23.4%
2099	19.9%	23.6%
2098	20.1%	23.8%
2097	20.2%	23.9%
2096	20.4%	24.1%
2095	20.5%	24.3%
2094	20.7%	24.5%
2093	20.9%	24.7%
2092	21%	24.8%
2091	21.2%	25%
2090	21.4%	25.2%
2089	21.5%	25.4%
2088	21.7%	25.6%
2087	21.9%	25.8%
2086	22.1%	26%
2085	22.2%	26.2%
2084	22.4%	26.4%
2083	22.6%	26.6%
2082	22.8%	26.8%
2081	22.9%	27.1%
2080	23.1%	27.3%
2079	23.3%	27.5%
2078	23.5%	27.7%
2077	23.7%	28%
2076	23.9%	28.2%
2075	24.1%	28.4%
2074	24.3%	28.7%
2073	24.5%	28.9%
2072	24.7%	29.1%
2071	24.9%	29.4%
2070	25.1%	29.6%
2069	25.3%	29.8%
2068	25.6%	30.1%
2067	25.8%	30.3%
2066	26.1%	30.6%
2065	26.3%	30.8%
2064	26.5%	31.1%
2063	26.8%	31.3%
2062	27%	31.6%
2061	27.3%	31.9%
2060	27.6%	32.1%
2059	27.8%	32.4%
2058	28.1%	32.7%
2057	28.3%	32.9%
2056	28.6%	33.2%
2055	28.8%	33.5%
2054	29.1%	33.8%
2053	29.3%	34.1%
2052	29.5%	34.3%
2051	29.8%	34.6%
2050	30%	34.9%
2049	30.2%	35.2%
2048	30.5%	35.5%
2047	30.7%	35.8%
2046	30.9%	36.1%
2045	31.1%	36.4%
2044	31.4%	36.7%
2043	31.6%	37%
2042	31.8%	37.3%
2041	32.1%	37.6%
2040	32.4%	37.9%
2039	32.6%	38.3%
2038	32.9%	38.6%
2037	33.2%	39%
2036	33.5%	39.3%
2035	33.9%	39.6%
2034	34.2%	40%
2033	34.5%	40.3%
2032	34.9%	40.7%
2031	35.2%	41%
2030	35.5%	41.3%
2029	35.8%	41.6%
2028	36.1%	41.8%
2027	36.4%	42.1%
2026	36.7%	42.2%
2025	37%	42.4%
2024	37.1%	42.5%
2023	37.4%	42.7%
2022	37.7%	42.9%
2021	38%	43.1%
2020	38.3%	43.4%
2019	38.6%	43.6%
2018	38.9%	43.8%
2017	39.3%	44%
2016	39.6%	44.2%
2015	39.8%	44.5%
2014	40%	44.8%
2013	40.2%	44.9%
2012	40.5%	45.1%
2011	41%	45.2%
2010	41.6%	45.3%
2009	42.2%	45.3%
2008	42.9%	45.1%
2007	43.6%	45%
2006	44.3%	44.9%
2005	45%	44.8%
2004	45.7%	44.7%
2003	46.3%	44.6%
2002	46.6%	44.6%
2001	46.7%	44.5%
2000	47%	44.6%
1999	47.4%	44.7%
1998	47.7%	44.7%
1997	47.9%	44.8%
1996	47.9%	44.7%
1995	47.9%	44.5%
1994	47.7%	44.9%
1993	47.5%	45.5%
1992	47.1%	46%
1991	46.9%	46.2%
1990	47%	46.3%
1989	47%	46.5%
1988	46.9%	46.7%
1987	46.9%	46.9%
1986	46.9%	47.2%
1985	46.9%	47.4%
1984	46.8%	47.5%
1983	46.9%	47.6%
1982	46.9%	47.5%
1981	46.9%	47.4%
1980	46.9%	47.2%
1979	46.9%	46.9%
1978	46.8%	46.7%
1977	46.7%	46.6%
1976	46.6%	46.5%
1975	46.4%	46.4%
1974	46.3%	46.3%
1973	46.2%	46.2%
1972	46%	46.1%
1971	45.9%	46.1%
1970	45.8%	46%
1969	45.6%	45.9%
1968	45.3%	45.8%
1967	44.9%	45.6%
1966	44.5%	45.4%
1965	44.1%	45.2%
1964	43.7%	45%
1963	43.1%	44.8%
1962	42.5%	44.8%
1961	42%	44.8%
1960	41.6%	44.9%

Children aged 0-14 make up 37.1% of the population in Comoros and 42.5% in Tanzania in 2024, compared to 47% and 46.3% respectively in 1990.

Demographics of Comoros and Tanzania compared.

Maternal mortality chart: Comoros vs Tanzania

Chart Table

Comoros

Tanzania

1x

Year	Maternal mortality per 100K births
	Comoros	Tanzania
2023	179	276
2022	186	152
2021	215	162
2020	198	160
2019	202	292
2018	209	319
2017	219	345
2016	225	396
2015	237	433
2014	247	454
2013	260	479
2012	274	448
2011	291	475
2010	305	486
2009	320	502
2008	334	511
2007	352	453
2006	360	366
2005	373	350
2004	385	365
2003	400	397
2002	428	454
2001	440	493
2000	476	568
1999	486	635
1998	515	739
1997	520	777
1996	545	775
1995	571	797
1994	602	816
1993	642	851
1992	675	864
1991	704	873
1990	737	900
1989	768	927
1988	791	949
1987	811	964
1986	825	971
1985	850	980

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 276 deaths in Tanzania.

Under-five mortality rates

Chart Table

Comoros

Tanzania

Probability that a newborn baby will die before reaching age five

1x

Year	Under 5 mortality rate
	Comoros	Tanzania
2023	3.98%	3.89%
2022	4.11%	4.05%
2021	4.24%	4.22%
2020	4.35%	4.42%
2019	4.46%	4.6%
2018	4.56%	4.8%
2017	4.66%	5.02%
2016	4.76%	5.25%
2015	4.87%	5.48%
2014	4.97%	5.67%
2013	5.08%	5.95%
2012	5.21%	6.21%
2011	5.36%	6.5%
2010	5.51%	6.86%
2009	5.69%	7.24%
2008	5.88%	7.7%
2007	6.08%	8.16%
2006	6.31%	8.69%
2005	6.55%	9.24%
2004	6.8%	9.86%
2003	7.07%	10.5%
2002	7.36%	11.3%
2001	7.65%	12.1%
2000	7.96%	12.8%
1999	8.28%	13.6%
1998	8.63%	14.2%
1997	9%	14.8%
1996	9.37%	15.2%
1995	9.78%	15.6%
1994	10.2%	15.9%
1993	10.7%	16.1%
1992	11.1%	16.3%
1991	11.6%	16.5%
1990	12.1%	16.7%
1989	12.6%	16.9%
1988	13%	17.2%
1987	13.5%	17.4%
1986	14%	17.6%
1985	14.6%	17.7%
1984	15.1%	17.8%
1983	15.7%	17.8%
1982	16.2%	17.8%
1981	16.8%	17.8%
1980	17.4%	17.9%
1979	18%	18.1%
1978	18.6%	18.4%
1977	19.1%	18.8%
1976	19.7%	19.2%
1975	20.3%	19.6%
1974	20.8%	20.1%
1973	21.4%	20.5%
1972	22%	20.9%
1971	22.5%	21.2%
1970	23.2%	21.6%
1969	-	21.9%
1968	-	22.2%
1967	-	22.5%
1966	-	22.8%
1965	-	23.1%
1964	-	23.4%
1963	-	23.6%
1962	-	23.8%
1961	-	24%
1960	-	24.2%

The chance that a newborn baby will die before reaching age five is 3.98% in Comoros and 3.89% in Tanzania. Above is a chart with historical data on under-five mortality rates.