Fertility & birth rates in Chad and Sao Tome and Principe

Fertility rate in Chad vs Sao Tome and Principe by year

Chart Table

Chad

Sao Tome and Principe

1x

Year	Fertility rate
	Chad	Sao Tome
2023	6.12	3.64
2022	6.22	3.7
2021	6.26	3.76
2020	6.35	3.83
2019	6.41	3.9
2018	6.46	3.98
2017	6.54	4.07
2016	6.62	4.2
2015	6.71	4.35
2014	6.78	4.49
2013	6.84	4.58
2012	6.91	4.66
2011	6.95	4.72
2010	6.99	4.77
2009	7.02	4.84
2008	7.06	4.91
2007	7.09	4.96
2006	7.12	4.93
2005	7.13	4.94
2004	7.16	4.96
2003	7.18	5.01
2002	7.2	5.06
2001	7.23	5.1
2000	7.25	5.16
1999	7.26	5.23
1998	7.27	5.3
1997	7.27	5.4
1996	7.29	5.47
1995	7.29	5.55
1994	7.31	5.56
1993	7.34	5.64
1992	7.3	5.7
1991	7.26	5.77
1990	7.22	5.83
1989	7.19	5.88
1988	7.15	5.94
1987	7.11	5.99
1986	7.07	6.05
1985	7.04	6.1
1984	7.02	6.16
1983	6.98	6.22
1982	6.96	6.28
1981	6.94	6.33
1980	6.91	6.39
1979	6.91	6.43
1978	6.89	6.47
1977	6.9	6.5
1976	6.89	6.52
1975	6.88	6.53
1974	6.86	6.53
1973	6.87	6.53
1972	6.85	6.51
1971	6.58	6.49
1970	6.53	6.47
1969	6.48	6.44
1968	6.43	6.42
1967	6.39	6.39
1966	6.36	6.37
1965	6.34	6.35
1964	6.32	6.33
1963	6.3	6.31
1962	6.29	6.28
1961	6.27	6.26
1960	6.25	6.24

According to the latest available data on birth rates, the fertility rate in Chad was 6.12 children per woman in 2023, compared to 3.64 in Sao Tome and Principe in 2023. The replacement level is considered to be 2.1 children per woman.

Check Chad vs Sao Tome and Principe population clock for a dynamic visualization of the changing population.

Natural population change by year

Chart Table

Chad

Sao Tome and Principe

1x

Year	Natural population change
	Chad	Sao Tome
2023	605,924	5,221
2022	588,060	5,102
2021	554,851	4,954
2020	541,234	4,874
2019	530,540	4,932
2018	509,642	4,957
2017	494,304	5,007
2016	483,442	5,125
2015	478,010	5,269
2014	467,957	5,381
2013	454,517	5,449
2012	444,246	5,501
2011	428,989	5,445
2010	416,177	5,391
2009	401,937	5,349
2008	387,439	5,297
2007	376,732	5,226
2006	362,027	5,057
2005	352,302	4,897
2004	334,136	4,810
2003	314,740	4,702
2002	302,995	4,591
2001	297,254	4,471
2000	287,173	4,334
1999	278,264	4,221
1998	270,055	4,120
1997	261,030	4,041
1996	254,589	3,993
1995	234,010	3,948
1994	223,996	3,860
1993	229,984	3,841
1992	219,348	3,822
1991	200,102	3,801
1990	191,959	3,719
1989	188,485	3,576
1988	178,489	3,544
1987	156,797	3,440
1986	152,360	3,180
1985	145,845	3,242
1984	151,511	3,163
1983	144,684	3,100
1982	119,121	3,047
1981	111,907	3,015
1980	122,468	2,965
1979	117,780	2,893
1978	115,084	2,800
1977	113,498	2,705
1976	111,324	2,608
1975	109,315	2,515
1974	106,898	2,422
1973	104,418	2,329
1972	101,142	2,232
1971	89,404	2,127
1970	87,660	1,980
1969	83,413	1,862
1968	79,465	1,767
1967	76,142	1,693
1966	73,123	1,642
1965	70,913	1,611
1964	69,483	1,600
1963	67,414	1,609
1962	65,312	1,625
1961	63,639	1,657
1960	62,003	1,547

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 +3.14% in Chad and +2.26% in Sao Tome and Principe.

For the past 10 years, the annual natural population change has been +3.18% in Chad and +2.4% in Sao Tome and Principe.

Birth rate in Chad vs Sao Tome and Principe by year

Chart Table

Chad

Sao Tome and Principe

Annual births per 1,000 people

1x

Year	Annual births per 1,000 people
	Chad	Sao Tome
2023	42.4	28.2
2022	43.4	28.3
2021	43.3	28.5
2020	43.8	28.6
2019	44.3	29.2
2018	44.4	29.8
2017	44.9	30.6
2016	45.5	31.7
2015	46.5	33
2014	47.1	34.3
2013	47.4	35.4
2012	48.2	36.4
2011	48.5	36.8
2010	49	37.3
2009	49.3	37.9
2008	49.5	38.5
2007	50.1	38.9
2006	50.3	38.9
2005	50.7	39
2004	50.4	39.2
2003	50	39.6
2002	50.5	39.8
2001	51.2	40
2000	51.6	39.7
1999	51.8	39.4
1998	52.2	39.2
1997	52.4	39.2
1996	53	39.3
1995	51.6	39.5
1994	52.2	39.4
1993	54.2	39.8
1992	53.3	40.2
1991	51.7	40.7
1990	52.7	40.7
1989	52.1	40.9
1988	51.5	40.9
1987	50.4	41
1986	49.1	41
1985	49.2	41
1984	51.3	41.1
1983	50	41.2
1982	46	41.3
1981	46.6	41.5
1980	49.5	41.6
1979	48.3	41.6
1978	48.5	41.4
1977	48.8	41.3
1976	49	41.1
1975	49.1	40.9
1974	49.2	40.6
1973	49.3	40.3
1972	49.3	39.9
1971	47.5	39.5
1970	47.1	38.8
1969	46.7	38.2
1968	46.3	37.8
1967	46	37.7
1966	45.8	38
1965	45.7	38.6
1964	45.6	39.7
1963	45.7	41.1
1962	45.7	42.7
1961	45.8	44.6
1960	45.9	44.6

The latest reported birth rate per 1,000 people in 2023 was 42.4 in Chad and 28.2 in Sao Tome and Principe, compared with 45.9 and 44.6, respectively, in 1960.

Children 0-14 years as share of population

Chart Table

Chad

Factual

UN forecast

Sao Tome and Principe

Factual

UN forecast

1x

Year	Young
	Chad	Sao Tome
2100	23.8%	19.5%
2099	24%	19.6%
2098	24.2%	19.8%
2097	24.4%	19.9%
2096	24.6%	20%
2095	24.8%	20.2%
2094	25%	20.3%
2093	25.2%	20.4%
2092	25.4%	20.6%
2091	25.6%	20.7%
2090	25.9%	20.9%
2089	26.1%	21.1%
2088	26.3%	21.2%
2087	26.5%	21.4%
2086	26.8%	21.6%
2085	27%	21.8%
2084	27.2%	22%
2083	27.5%	22.2%
2082	27.7%	22.4%
2081	27.9%	22.6%
2080	28.2%	22.9%
2079	28.5%	23.1%
2078	28.7%	23.3%
2077	29%	23.5%
2076	29.3%	23.7%
2075	29.6%	24%
2074	29.9%	24.2%
2073	30.2%	24.4%
2072	30.5%	24.6%
2071	30.9%	24.8%
2070	31.2%	25%
2069	31.5%	25.2%
2068	31.9%	25.4%
2067	32.2%	25.6%
2066	32.6%	25.9%
2065	32.9%	26.1%
2064	33.3%	26.3%
2063	33.6%	26.5%
2062	33.9%	26.8%
2061	34.3%	27%
2060	34.6%	27.3%
2059	34.9%	27.5%
2058	35.3%	27.8%
2057	35.6%	28.1%
2056	35.9%	28.4%
2055	36.2%	28.7%
2054	36.5%	29%
2053	36.9%	29.4%
2052	37.2%	29.7%
2051	37.5%	30.1%
2050	37.9%	30.4%
2049	38.2%	30.8%
2048	38.6%	31.1%
2047	39%	31.5%
2046	39.4%	31.8%
2045	39.8%	32.1%
2044	40.3%	32.5%
2043	40.7%	32.8%
2042	41.2%	33.1%
2041	41.7%	33.4%
2040	42.2%	33.6%
2039	42.7%	33.9%
2038	43.1%	34.1%
2037	43.5%	34.4%
2036	43.9%	34.6%
2035	44.2%	34.7%
2034	44.5%	34.9%
2033	44.8%	35.1%
2032	45%	35.3%
2031	45.2%	35.5%
2030	45.5%	35.8%
2029	45.7%	36.1%
2028	45.9%	36.6%
2027	46%	37%
2026	46%	37.3%
2025	45.9%	37.6%
2024	46.1%	37.8%
2023	46.7%	38.3%
2022	47.4%	38.8%
2021	47.7%	39.4%
2020	48%	39.9%
2019	48.1%	40.5%
2018	48.2%	40.9%
2017	48.4%	41.4%
2016	48.5%	41.7%
2015	48.5%	41.9%
2014	48.5%	42%
2013	48.6%	42%
2012	48.7%	42%
2011	48.7%	42%
2010	48.8%	42.1%
2009	48.7%	42.1%
2008	48.7%	42.1%
2007	48.7%	42%
2006	48.6%	42%
2005	48.6%	42%
2004	48.7%	42.1%
2003	49%	42.2%
2002	49.1%	42.3%
2001	49%	42.5%
2000	48.8%	42.8%
1999	48.6%	43.4%
1998	48.5%	43.9%
1997	48.2%	44.3%
1996	47.8%	44.7%
1995	47.9%	44.9%
1994	48.2%	45.1%
1993	47.5%	45.2%
1992	46.9%	45.2%
1991	47.1%	45.1%
1990	47.1%	45.1%
1989	46.8%	45%
1988	46.8%	45%
1987	47%	44.9%
1986	47.2%	44.7%
1985	47.3%	44.5%
1984	46.5%	44.4%
1983	45.8%	44.5%
1982	46.6%	44.5%
1981	47.5%	44.7%
1980	46.6%	44.9%
1979	45.7%	45.1%
1978	45.4%	45.2%
1977	45%	45.3%
1976	44.6%	45.4%
1975	44.2%	45.5%
1974	43.9%	45.6%
1973	43.5%	45.7%
1972	43.2%	45.9%
1971	43%	46.1%
1970	42.7%	46.2%
1969	42.5%	45.8%
1968	42.4%	44.9%
1967	42.2%	44%
1966	42.1%	42.9%
1965	42%	41.6%
1964	41.9%	40.2%
1963	41.7%	38.5%
1962	41.5%	36.6%
1961	41.2%	34.3%
1960	41%	32.9%

Children aged 0-14 make up 46.1% of the population in Chad and 37.8% in Sao Tome and Principe in 2024, compared to 47.1% and 45.1% respectively in 1990.

Demographics of Chad and Sao Tome and Principe compared.

Maternal mortality chart: Chad vs Sao Tome and Principe

Chart Table

Chad

Sao Tome and Principe

1x

Year	Maternal mortality per 100K births
	Chad	Sao Tome
2023	748	75
2022	775	82
2021	869	98
2020	877	92
2019	958	95
2018	1,020	100
2017	1,085	110
2016	1,133	119
2015	1,176	128
2014	1,198	138
2013	1,216	150
2012	1,245	158
2011	1,264	164
2010	1,284	170
2009	1,285	172
2008	1,264	174
2007	1,240	174
2006	1,220	177
2005	1,189	181
2004	1,167	177
2003	1,170	178
2002	1,199	179
2001	1,204	178
2000	1,208	180
1999	1,184	179
1998	1,177	175
1997	1,146	173
1996	1,150	171
1995	1,119	172
1994	1,151	168
1993	1,166	166
1992	1,119	164
1991	1,093	166
1990	1,113	164
1989	1,083	167
1988	1,093	157
1987	1,123	161
1986	1,068	175
1985	1,119	159

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 748 deaths per 100,000 live births in Chad, compared to 75 deaths in Sao Tome and Principe.

Under-five mortality rates

Chart Table

Chad

Sao Tome and Principe

Probability that a newborn baby will die before reaching age five

1x

Year	Under 5 mortality rate
	Chad	Sao Tome
2023	10.1%	1.39%
2022	10.4%	1.46%
2021	10.8%	1.53%
2020	11.1%	1.6%
2019	11.5%	1.7%
2018	11.8%	1.81%
2017	12.2%	1.95%
2016	12.6%	2.11%
2015	12.9%	2.31%
2014	13.3%	2.54%
2013	13.7%	2.77%
2012	14%	3.04%
2011	14.4%	3.33%
2010	14.8%	3.63%
2009	15.2%	3.95%
2008	15.5%	4.3%
2007	15.9%	4.68%
2006	16.3%	5.11%
2005	16.7%	5.56%
2004	17%	6.05%
2003	17.3%	6.57%
2002	17.7%	7.1%
2001	18%	7.66%
2000	18.4%	8.21%
1999	18.7%	8.76%
1998	19%	9.26%
1997	19.3%	9.73%
1996	19.6%	10.1%
1995	19.8%	10.4%
1994	20.1%	10.7%
1993	20.3%	10.8%
1992	20.6%	10.9%
1991	20.9%	10.9%
1990	21.2%	10.8%
1989	21.5%	10.7%
1988	21.8%	10.6%
1987	22%	10.4%
1986	22.3%	11.4%
1985	22.6%	9.99%
1984	22.9%	9.77%
1983	23.2%	9.56%
1982	23.4%	9.37%
1981	23.6%	9.21%
1980	23.8%	9.1%
1979	24.1%	9.02%
1978	24.2%	8.96%
1977	24.4%	8.93%
1976	24.6%	8.89%
1975	24.7%	8.85%
1974	24.8%	8.79%
1973	25%	8.73%
1972	25.2%	8.67%
1971	25.3%	8.63%
1970	25.4%	8.64%
1969	25.6%	8.71%
1968	25.7%	8.85%
1967	25.9%	9.04%
1966	26%	9.29%
1965	26.1%	9.56%
1964	26.3%	-
1963	26.4%	-
1962	26.5%	-
1961	26.6%	-
1960	26.7%	-

The chance that a newborn baby will die before reaching age five is 10.1% in Chad and 1.39% in Sao Tome and Principe. Above is a chart with historical data on under-five mortality rates.