Fertility & birth rates in Kazakhstan and Sierra Leone

Fertility rate in Kazakhstan vs Sierra Leone 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 3.79 in Sierra Leone in 2023. The replacement level is considered to be 2.1 children per woman.

Check Kazakhstan 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
	Kazakhstan	Sierra Leone
1960	4.5	6.18
1961	4.42	6.21
1962	4.36	6.22
1963	4.26	6.26
1964	4.07	6.29
1965	3.88	6.31
1966	3.82	6.35
1967	3.77	6.38
1968	3.63	6.39
1969	3.51	6.39
1970	3.51	6.41
1971	3.53	6.43
1972	3.55	6.45
1973	3.51	6.47
1974	3.45	6.53
1975	3.4	6.55
1976	3.33	6.55
1977	3.26	6.57
1978	3.16	6.59
1979	3.14	6.58
1980	3.09	6.56
1981	3.05	6.55
1982	3.02	6.56
1983	3.07	6.57
1984	3.15	6.59
1985	3.21	6.59
1986	3.19	6.6
1987	3.12	6.61
1988	3	6.59
1989	2.87	6.57
1990	2.75	6.57
1991	2.68	6.55
1992	2.58	6.56
1993	2.48	6.57
1994	2.38	6.56
1995	2.25	6.56
1996	2.08	6.55
1997	1.97	6.53
1998	1.94	6.5
1999	1.9	6.42
2000	1.9	6.36
2001	1.91	6.31
2002	1.96	6.23
2003	2.08	6.09
2004	2.2	5.92
2005	2.27	5.81
2006	2.38	5.74
2007	2.49	5.64
2008	2.62	5.56
2009	2.58	5.45
2010	2.61	5.33
2011	2.61	5.21
2012	2.64	5.06
2013	2.67	4.87
2014	2.76	4.7
2015	2.76	4.55
2016	2.8	4.47
2017	2.75	4.39
2018	2.85	4.29
2019	2.89	4.19
2020	3.13	4.08
2021	3.32	3.98
2022	3.05	3.88
2023	3.01	3.79
2024	2.98	3.7
2025	2.95	3.61
2026	2.92	3.53
2027	2.9	3.47
2028	2.87	3.37
2029	2.84	3.3
2030	2.81	3.23
2031	2.78	3.18
2032	2.76	3.12
2033	2.74	3.07
2034	2.71	3.02
2035	2.69	2.97
2036	2.66	2.92
2037	2.64	2.88
2038	2.62	2.84
2039	2.6	2.79
2040	2.58	2.76
2041	2.56	2.72
2042	2.54	2.68
2043	2.52	2.65
2044	2.5	2.62
2045	2.48	2.58
2046	2.47	2.55
2047	2.44	2.53
2048	2.43	2.5
2049	2.41	2.47
2050	2.39	2.45

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Kazakhstan	Sierra Leone
1960	37.2%	38.2%
1961	38%	38.3%
1962	38.4%	38.3%
1963	38.5%	38.5%
1964	38.4%	38.8%
1965	38.1%	39.1%
1966	37.8%	39.4%
1967	37.4%	39.6%
1968	37%	39.9%
1969	36.5%	40.1%
1970	36.1%	40.3%
1971	35.6%	40.6%
1972	35.2%	40.7%
1973	34.7%	40.9%
1974	34.1%	41.1%
1975	33.6%	41.3%
1976	33.3%	41.4%
1977	33.1%	41.6%
1978	32.8%	41.7%
1979	32.9%	41.8%
1980	33%	41.9%
1981	32.8%	42%
1982	32.7%	42.1%
1983	32.6%	42.2%
1984	32.6%	42.3%
1985	32.6%	42.5%
1986	32.6%	42.6%
1987	32.4%	42.7%
1988	32.1%	42.8%
1989	31.9%	42.9%
1990	31.7%	42.9%
1991	31.6%	43%
1992	31.4%	43.1%
1993	31.1%	43.2%
1994	30.8%	43.3%
1995	30.5%	43.4%
1996	30.1%	43.5%
1997	29.6%	43.5%
1998	29%	43.6%
1999	28.3%	43.7%
2000	27.6%	43.8%
2001	26.9%	43.9%
2002	26.2%	43.9%
2003	25.6%	43.9%
2004	25.1%	43.9%
2005	24.8%	43.8%
2006	24.7%	43.7%
2007	24.7%	43.6%
2008	24.9%	43.5%
2009	25.1%	43.4%
2010	25.4%	43.2%
2011	25.7%	43%
2012	26.2%	42.8%
2013	26.7%	42.5%
2014	27.2%	42.2%
2015	27.7%	41.8%
2016	28.1%	41.4%
2017	28.5%	41%
2018	28.8%	40.6%
2019	29%	40.2%
2020	29.2%	39.8%
2021	29.5%	39.4%
2022	29.6%	39%
2023	29.5%	38.5%
2024	29.4%	38.1%
2025	29.1%	37.7%
2026	28.9%	37.2%
2027	28.5%	36.8%
2028	28.2%	36.3%
2029	27.9%	35.9%
2030	27.5%	35.5%
2031	27.1%	35.2%
2032	26.8%	34.8%
2033	26.5%	34.4%
2034	26.1%	34%
2035	25.8%	33.6%
2036	25.4%	33.2%
2037	25%	32.8%
2038	24.8%	32.4%
2039	24.7%	32%
2040	24.6%	31.6%
2041	24.5%	31.2%
2042	24.5%	30.9%
2043	24.6%	30.5%
2044	24.6%	30.2%
2045	24.6%	29.8%
2046	24.7%	29.5%
2047	24.7%	29.2%
2048	24.7%	28.8%
2049	24.7%	28.5%
2050	24.7%	28.2%

Children aged 0-14 make up 29.4% of the population in Kazakhstan and 38.1% in Sierra Leone in 2024, compared to 31.7% and 42.9% respectively in 1990.

Demographics of Kazakhstan and Sierra Leone compared.

Natural population change in Kazakhstan vs Sierra Leone by year

For the past 10 years, the annual natural population change (excluding migration) has been +1.44% in Kazakhstan 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
	Kazakhstan	Sierra Leone
1960	226,027	38,192
1961	228,686	40,022
1962	228,177	41,603
1963	223,105	43,569
1964	208,899	45,487
1965	194,470	47,223
1966	191,506	49,486
1967	191,536	51,734
1968	186,254	53,126
1969	184,118	54,768
1970	191,775	56,513
1971	202,450	58,484
1972	212,319	60,279
1973	215,940	62,443
1974	217,668	65,357
1975	219,748	67,560
1976	221,992	69,506
1977	224,284	71,663
1978	225,895	74,130
1979	237,442	75,992
1980	238,977	77,932
1981	243,652	80,111
1982	246,983	82,457
1983	260,471	84,628
1984	278,485	87,072
1985	293,834	88,869
1986	295,818	90,902
1987	290,227	94,235
1988	275,278	96,344
1989	254,394	98,298
1990	235,113	100,778
1991	221,581	105,477
1992	204,785	103,251
1993	185,649	103,317
1994	165,631	101,486
1995	140,721	100,885
1996	112,384	104,140
1997	92,778	105,433
1998	85,735	103,906
1999	79,536	102,295
2000	80,699	110,754
2001	84,279	116,647
2002	93,564	126,429
2003	112,137	130,312
2004	132,286	132,661
2005	146,619	137,234
2006	166,480	144,127
2007	188,486	145,740
2008	214,169	149,855
2009	218,036	152,669
2010	230,479	155,338
2011	237,883	158,858
2012	249,987	160,915
2013	259,239	161,265
2014	274,406	160,137
2015	273,523	162,275
2016	277,878	168,784
2017	268,066	173,259
2018	278,917	178,772
2019	278,788	181,068
2020	272,458	181,015
2021	269,026	183,326
2022	277,019	186,625
2023	273,013	188,788

Maternal mortality chart: Kazakhstan vs Sierra Leone

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 354 deaths in Sierra Leone.

Table

Year	Maternal mortality per 100K births
	Kazakhstan	Sierra Leone
1985	68	1,506
1986	67	1,530
1987	66	1,533
1988	65	1,549
1989	64	1,575
1990	64	1,572
1991	64	1,699
1992	65	1,681
1993	67	1,696
1994	70	1,755
1995	72	1,777
1996	72	1,726
1997	71	1,721
1998	68	1,753
1999	63	1,731
2000	58	1,603
2001	53	1,518
2002	48	1,492
2003	45	1,433
2004	41	1,366
2005	38	1,294
2006	35	1,168
2007	32	1,132
2008	28	1,093
2009	25	1,054
2010	22	1,018
2011	19	967
2012	17	915
2013	15	842
2014	14	821
2015	13	730
2016	12	633
2017	12	578
2018	11	491
2019	11	464
2020	18	422
2021	23	403
2022	14	370
2023	10	354

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 0.96% in Kazakhstan 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
	Kazakhstan	Sierra Leone
1960	-	39.1%
1961	-	38.5%
1962	-	38%
1963	-	37.4%
1964	-	36.8%
1965	-	36.2%
1966	-	35.6%
1967	-	35%
1968	-	34.5%
1969	-	33.9%
1970	-	33.4%
1971	8.54%	32.9%
1972	8.33%	32.3%
1973	8.14%	31.9%
1974	7.96%	31.4%
1975	7.8%	30.9%
1976	7.66%	30.5%
1977	7.53%	30%
1978	7.39%	29.6%
1979	7.24%	29.2%
1980	7.05%	28.9%
1981	6.83%	28.5%
1982	6.6%	28.1%
1983	6.38%	27.8%
1984	6.16%	27.5%
1985	5.94%	27.2%
1986	5.73%	26.9%
1987	5.54%	26.6%
1988	5.37%	26.4%
1989	5.23%	26.2%
1990	5.16%	25.9%
1991	5.13%	25.7%
1992	5.16%	25.5%
1993	5.23%	25.3%
1994	5.28%	25%
1995	5.26%	24.7%
1996	5.16%	24.3%
1997	4.99%	23.9%
1998	4.76%	23.4%
1999	4.51%	22.9%
2000	4.25%	22.4%
2001	3.99%	21.8%
2002	3.76%	21.3%
2003	3.54%	20.7%
2004	3.33%	20.1%
2005	3.12%	19.4%
2006	2.9%	18.8%
2007	2.69%	18.1%
2008	2.47%	17.3%
2009	2.25%	16.6%
2010	2.04%	15.9%
2011	1.83%	15.2%
2012	1.63%	14.5%
2013	1.46%	13.9%
2014	1.3%	13.7%
2015	1.19%	13.8%
2016	1.1%	12.3%
2017	1.05%	11.8%
2018	1.03%	11.3%
2019	1.02%	10.9%
2020	1.01%	10.5%
2021	1%	10.1%
2022	0.98%	9.77%
2023	0.96%	9.43%