Fertility & birth rates in Kazakhstan and Sao Tome and Principe

Fertility rate in Kazakhstan vs Sao Tome and Principe chart

According to the latest available data on birth rates, the fertility rate in Kazakhstan was 3.01 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 Kazakhstan vs Sao Tome and Principe population clock for a dynamic visualization of the changing population.

The chart below showcases historical changes in the birth rates.

Table

Year	Fertility rate
	Kazakhstan	Sao Tome
1960	4.5	6.24
1961	4.42	6.26
1962	4.36	6.28
1963	4.26	6.31
1964	4.07	6.33
1965	3.88	6.35
1966	3.82	6.37
1967	3.77	6.39
1968	3.63	6.42
1969	3.51	6.44
1970	3.51	6.47
1971	3.53	6.49
1972	3.55	6.51
1973	3.51	6.53
1974	3.45	6.53
1975	3.4	6.53
1976	3.33	6.52
1977	3.26	6.5
1978	3.16	6.47
1979	3.14	6.43
1980	3.09	6.39
1981	3.05	6.33
1982	3.02	6.28
1983	3.07	6.22
1984	3.15	6.16
1985	3.21	6.1
1986	3.19	6.05
1987	3.12	5.99
1988	3	5.94
1989	2.87	5.88
1990	2.75	5.83
1991	2.68	5.77
1992	2.58	5.7
1993	2.48	5.64
1994	2.38	5.56
1995	2.25	5.55
1996	2.08	5.47
1997	1.97	5.4
1998	1.94	5.3
1999	1.9	5.23
2000	1.9	5.16
2001	1.91	5.1
2002	1.96	5.06
2003	2.08	5.01
2004	2.2	4.96
2005	2.27	4.94
2006	2.38	4.93
2007	2.49	4.96
2008	2.62	4.91
2009	2.58	4.84
2010	2.61	4.77
2011	2.61	4.72
2012	2.64	4.66
2013	2.67	4.58
2014	2.76	4.49
2015	2.76	4.35
2016	2.8	4.2
2017	2.75	4.07
2018	2.85	3.98
2019	2.89	3.9
2020	3.13	3.83
2021	3.32	3.76
2022	3.05	3.7
2023	3.01	3.64
2024	2.98	3.6
2025	2.95	3.53
2026	2.92	3.47
2027	2.9	3.42
2028	2.87	3.36
2029	2.84	3.32
2030	2.81	3.26
2031	2.78	3.21
2032	2.76	3.17
2033	2.74	3.13
2034	2.71	3.09
2035	2.69	3.04
2036	2.66	3.01
2037	2.64	2.97
2038	2.62	2.94
2039	2.6	2.9
2040	2.58	2.87
2041	2.56	2.83
2042	2.54	2.8
2043	2.52	2.78
2044	2.5	2.75
2045	2.48	2.73
2046	2.47	2.7
2047	2.44	2.67
2048	2.43	2.64
2049	2.41	2.62
2050	2.39	2.59

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Kazakhstan	Sao Tome
1960	37.2%	32.9%
1961	38%	34.3%
1962	38.4%	36.6%
1963	38.5%	38.5%
1964	38.4%	40.2%
1965	38.1%	41.6%
1966	37.8%	42.9%
1967	37.4%	44%
1968	37%	44.9%
1969	36.5%	45.8%
1970	36.1%	46.2%
1971	35.6%	46.1%
1972	35.2%	45.9%
1973	34.7%	45.7%
1974	34.1%	45.6%
1975	33.6%	45.5%
1976	33.3%	45.4%
1977	33.1%	45.3%
1978	32.8%	45.2%
1979	32.9%	45.1%
1980	33%	44.9%
1981	32.8%	44.7%
1982	32.7%	44.5%
1983	32.6%	44.5%
1984	32.6%	44.4%
1985	32.6%	44.5%
1986	32.6%	44.7%
1987	32.4%	44.9%
1988	32.1%	45%
1989	31.9%	45%
1990	31.7%	45.1%
1991	31.6%	45.1%
1992	31.4%	45.2%
1993	31.1%	45.2%
1994	30.8%	45.1%
1995	30.5%	44.9%
1996	30.1%	44.7%
1997	29.6%	44.3%
1998	29%	43.9%
1999	28.3%	43.4%
2000	27.6%	42.8%
2001	26.9%	42.5%
2002	26.2%	42.3%
2003	25.6%	42.2%
2004	25.1%	42.1%
2005	24.8%	42%
2006	24.7%	42%
2007	24.7%	42%
2008	24.9%	42.1%
2009	25.1%	42.1%
2010	25.4%	42.1%
2011	25.7%	42%
2012	26.2%	42%
2013	26.7%	42%
2014	27.2%	42%
2015	27.7%	41.9%
2016	28.1%	41.7%
2017	28.5%	41.4%
2018	28.8%	40.9%
2019	29%	40.5%
2020	29.2%	39.9%
2021	29.5%	39.4%
2022	29.6%	38.8%
2023	29.5%	38.3%
2024	29.4%	37.8%
2025	29.1%	37.5%
2026	28.9%	37.2%
2027	28.5%	36.8%
2028	28.2%	36.4%
2029	27.9%	36%
2030	27.5%	35.6%
2031	27.1%	35.4%
2032	26.8%	35.2%
2033	26.5%	35%
2034	26.1%	34.8%
2035	25.8%	34.7%
2036	25.4%	34.5%
2037	25%	34.2%
2038	24.8%	34%
2039	24.7%	33.8%
2040	24.6%	33.5%
2041	24.5%	33.2%
2042	24.5%	32.9%
2043	24.6%	32.6%
2044	24.6%	32.3%
2045	24.6%	32%
2046	24.7%	31.6%
2047	24.7%	31.3%
2048	24.7%	31%
2049	24.7%	30.6%
2050	24.7%	30.2%

Children aged 0-14 make up 29.4% of the population in Kazakhstan and 37.8% in Sao Tome and Principe in 2024, compared to 31.7% and 45.1% respectively in 1990.

Demographics of Kazakhstan and Sao Tome and Principe compared.

Natural population change in Kazakhstan vs Sao Tome and Principe by year

For the past 10 years, the annual natural population change (excluding migration) has been +1.44% in Kazakhstan and +2.4% in Sao Tome and Principe. 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
	Kazakhstan	Sao Tome
1960	226,027	1,547
1961	228,686	1,657
1962	228,177	1,625
1963	223,105	1,609
1964	208,899	1,600
1965	194,470	1,611
1966	191,506	1,642
1967	191,536	1,693
1968	186,254	1,767
1969	184,118	1,862
1970	191,775	1,980
1971	202,450	2,127
1972	212,319	2,232
1973	215,940	2,329
1974	217,668	2,422
1975	219,748	2,515
1976	221,992	2,608
1977	224,284	2,705
1978	225,895	2,800
1979	237,442	2,893
1980	238,977	2,965
1981	243,652	3,015
1982	246,983	3,047
1983	260,471	3,100
1984	278,485	3,163
1985	293,834	3,242
1986	295,818	3,180
1987	290,227	3,440
1988	275,278	3,544
1989	254,394	3,576
1990	235,113	3,719
1991	221,581	3,801
1992	204,785	3,822
1993	185,649	3,841
1994	165,631	3,860
1995	140,721	3,948
1996	112,384	3,993
1997	92,778	4,041
1998	85,735	4,120
1999	79,536	4,221
2000	80,699	4,334
2001	84,279	4,471
2002	93,564	4,591
2003	112,137	4,702
2004	132,286	4,810
2005	146,619	4,897
2006	166,480	5,057
2007	188,486	5,226
2008	214,169	5,297
2009	218,036	5,349
2010	230,479	5,391
2011	237,883	5,445
2012	249,987	5,501
2013	259,239	5,449
2014	274,406	5,381
2015	273,523	5,269
2016	277,878	5,125
2017	268,066	5,007
2018	278,917	4,957
2019	278,788	4,932
2020	272,458	4,874
2021	269,026	4,954
2022	277,019	5,102
2023	273,013	5,221

Maternal mortality chart: Kazakhstan vs Sao Tome and Principe

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 10 deaths per 100,000 live births in Kazakhstan, compared to 75 deaths in Sao Tome and Principe.

Table

Year	Maternal mortality per 100K births
	Kazakhstan	Sao Tome
1985	68	159
1986	67	175
1987	66	161
1988	65	157
1989	64	167
1990	64	164
1991	64	166
1992	65	164
1993	67	166
1994	70	168
1995	72	172
1996	72	171
1997	71	173
1998	68	175
1999	63	179
2000	58	180
2001	53	178
2002	48	179
2003	45	178
2004	41	177
2005	38	181
2006	35	177
2007	32	174
2008	28	174
2009	25	172
2010	22	170
2011	19	164
2012	17	158
2013	15	150
2014	14	138
2015	13	128
2016	12	119
2017	12	110
2018	11	100
2019	11	95
2020	18	92
2021	23	98
2022	14	82
2023	10	75

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 0.96% in Kazakhstan and 1.39% in Sao Tome and Principe. 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
	Kazakhstan	Sao Tome
1965	-	9.56%
1966	-	9.29%
1967	-	9.04%
1968	-	8.85%
1969	-	8.71%
1970	-	8.64%
1971	8.54%	8.63%
1972	8.33%	8.67%
1973	8.14%	8.73%
1974	7.96%	8.79%
1975	7.8%	8.85%
1976	7.66%	8.89%
1977	7.53%	8.93%
1978	7.39%	8.96%
1979	7.24%	9.02%
1980	7.05%	9.1%
1981	6.83%	9.21%
1982	6.6%	9.37%
1983	6.38%	9.56%
1984	6.16%	9.77%
1985	5.94%	9.99%
1986	5.73%	11.4%
1987	5.54%	10.4%
1988	5.37%	10.6%
1989	5.23%	10.7%
1990	5.16%	10.8%
1991	5.13%	10.9%
1992	5.16%	10.9%
1993	5.23%	10.8%
1994	5.28%	10.7%
1995	5.26%	10.4%
1996	5.16%	10.1%
1997	4.99%	9.73%
1998	4.76%	9.26%
1999	4.51%	8.76%
2000	4.25%	8.21%
2001	3.99%	7.66%
2002	3.76%	7.1%
2003	3.54%	6.57%
2004	3.33%	6.05%
2005	3.12%	5.56%
2006	2.9%	5.11%
2007	2.69%	4.68%
2008	2.47%	4.3%
2009	2.25%	3.95%
2010	2.04%	3.63%
2011	1.83%	3.33%
2012	1.63%	3.04%
2013	1.46%	2.77%
2014	1.3%	2.54%
2015	1.19%	2.31%
2016	1.1%	2.11%
2017	1.05%	1.95%
2018	1.03%	1.81%
2019	1.02%	1.7%
2020	1.01%	1.6%
2021	1%	1.53%
2022	0.98%	1.46%
2023	0.96%	1.39%