Fertility & birth rates in Saint Kitts and Nevis and Sao Tome and Principe

Fertility rate in Saint Kitts and Nevis vs Sao Tome and Principe chart

According to the latest available data on birth rates, the fertility rate in Saint Kitts and Nevis was 1.51 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 Saint Kitts and Nevis 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
	Saint Kitts	Sao Tome
1960	6.54	6.24
1961	6.27	6.26
1962	6.06	6.28
1963	6.12	6.31
1964	6.08	6.33
1965	6.01	6.35
1966	5.78	6.37
1967	5.46	6.39
1968	5.17	6.42
1969	4.97	6.44
1970	4.73	6.47
1971	4.51	6.49
1972	4.16	6.51
1973	3.97	6.53
1974	3.81	6.53
1975	3.68	6.53
1976	3.59	6.52
1977	3.48	6.5
1978	3.29	6.47
1979	3.23	6.43
1980	3.26	6.39
1981	3.3	6.33
1982	3.18	6.28
1983	3.1	6.22
1984	2.88	6.16
1985	2.82	6.1
1986	2.68	6.05
1987	2.62	5.99
1988	2.62	5.94
1989	2.69	5.88
1990	2.73	5.83
1991	2.6	5.77
1992	2.43	5.7
1993	2.38	5.64
1994	2.31	5.56
1995	2.3	5.55
1996	2.26	5.47
1997	2.3	5.4
1998	2.31	5.3
1999	2.26	5.23
2000	2.13	5.16
2001	2.08	5.1
2002	2.04	5.06
2003	2	5.01
2004	1.96	4.96
2005	1.93	4.94
2006	1.9	4.93
2007	1.87	4.96
2008	1.83	4.91
2009	1.8	4.84
2010	1.76	4.77
2011	1.74	4.72
2012	1.71	4.66
2013	1.68	4.58
2014	1.67	4.49
2015	1.64	4.35
2016	1.63	4.2
2017	1.61	4.07
2018	1.59	3.98
2019	1.57	3.9
2020	1.55	3.83
2021	1.53	3.76
2022	1.51	3.7
2023	1.51	3.64
2024	1.53	3.6
2025	1.51	3.53
2026	1.5	3.47
2027	1.49	3.42
2028	1.49	3.36
2029	1.49	3.32
2030	1.48	3.26
2031	1.48	3.21
2032	1.48	3.17
2033	1.48	3.13
2034	1.48	3.09
2035	1.48	3.04
2036	1.48	3.01
2037	1.49	2.97
2038	1.49	2.94
2039	1.49	2.9
2040	1.49	2.87
2041	1.49	2.83
2042	1.49	2.8
2043	1.5	2.78
2044	1.5	2.75
2045	1.5	2.73
2046	1.5	2.7
2047	1.5	2.67
2048	1.5	2.64
2049	1.5	2.62
2050	1.5	2.59

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Saint Kitts	Sao Tome
1960	45.6%	32.9%
1961	45.7%	34.3%
1962	45.8%	36.6%
1963	46%	38.5%
1964	46.1%	40.2%
1965	46.3%	41.6%
1966	46.6%	42.9%
1967	47%	44%
1968	47.4%	44.9%
1969	47.7%	45.8%
1970	47.2%	46.2%
1971	45.8%	46.1%
1972	44.3%	45.9%
1973	42.9%	45.7%
1974	41.6%	45.6%
1975	40.5%	45.5%
1976	39.6%	45.4%
1977	38.8%	45.3%
1978	38.2%	45.2%
1979	37.6%	45.1%
1980	36.9%	44.9%
1981	36.2%	44.7%
1982	35.6%	44.5%
1983	35.1%	44.5%
1984	34.7%	44.4%
1985	34.5%	44.5%
1986	34.3%	44.7%
1987	34.2%	44.9%
1988	34.1%	45%
1989	34.1%	45%
1990	34.2%	45.1%
1991	34.1%	45.1%
1992	33.6%	45.2%
1993	32.9%	45.2%
1994	32.3%	45.1%
1995	31.7%	44.9%
1996	31.1%	44.7%
1997	30.6%	44.3%
1998	30.1%	43.9%
1999	29.7%	43.4%
2000	29.3%	42.8%
2001	28.8%	42.5%
2002	28.1%	42.3%
2003	27.4%	42.2%
2004	26.6%	42.1%
2005	26%	42%
2006	25.3%	42%
2007	24.8%	42%
2008	24.4%	42.1%
2009	24%	42.1%
2010	23.3%	42.1%
2011	22.7%	42%
2012	22.2%	42%
2013	21.7%	42%
2014	21.1%	42%
2015	20.6%	41.9%
2016	20.2%	41.7%
2017	19.9%	41.4%
2018	19.6%	40.9%
2019	19.3%	40.5%
2020	19.1%	39.9%
2021	18.8%	39.4%
2022	18.6%	38.8%
2023	18.3%	38.3%
2024	18.2%	37.8%
2025	18.3%	37.5%
2026	18.4%	37.2%
2027	18.2%	36.8%
2028	17.9%	36.4%
2029	17.7%	36%
2030	17.5%	35.6%
2031	17.2%	35.4%
2032	17%	35.2%
2033	16.8%	35%
2034	16.5%	34.8%
2035	16.3%	34.7%
2036	16.1%	34.5%
2037	15.9%	34.2%
2038	15.7%	34%
2039	15.5%	33.8%
2040	15.4%	33.5%
2041	15.2%	33.2%
2042	15.1%	32.9%
2043	15%	32.6%
2044	14.8%	32.3%
2045	14.7%	32%
2046	14.6%	31.6%
2047	14.5%	31.3%
2048	14.5%	31%
2049	14.4%	30.6%
2050	14.3%	30.2%

Children aged 0-14 make up 18.2% of the population in Saint Kitts and Nevis and 37.8% in Sao Tome and Principe in 2024, compared to 34.2% and 45.1% respectively in 1990.

Demographics of Saint Kitts and Nevis and Sao Tome and Principe compared.

Natural population change in Saint Kitts and Nevis vs Sao Tome and Principe by year

For the past 10 years, the annual natural population change (excluding migration) has been +0.26% in Saint Kitts and Nevis 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
	Saint Kitts	Sao Tome
1960	1,562	1,547
1961	1,466	1,657
1962	1,373	1,625
1963	1,360	1,609
1964	1,305	1,600
1965	1,228	1,611
1966	1,103	1,642
1967	951	1,693
1968	812	1,767
1969	708	1,862
1970	611	1,980
1971	615	2,127
1972	619	2,232
1973	646	2,329
1974	670	2,422
1975	688	2,515
1976	703	2,608
1977	697	2,705
1978	654	2,800
1979	643	2,893
1980	652	2,965
1981	684	3,015
1982	672	3,047
1983	664	3,100
1984	598	3,163
1985	574	3,242
1986	520	3,180
1987	486	3,440
1988	471	3,544
1989	476	3,576
1990	471	3,719
1991	411	3,801
1992	369	3,822
1993	373	3,841
1994	370	3,860
1995	382	3,948
1996	379	3,993
1997	405	4,041
1998	415	4,120
1999	413	4,221
2000	376	4,334
2001	369	4,471
2002	365	4,591
2003	369	4,702
2004	365	4,810
2005	361	4,897
2006	355	5,057
2007	341	5,226
2008	322	5,297
2009	300	5,349
2010	274	5,391
2011	250	5,445
2012	246	5,501
2013	227	5,449
2014	213	5,381
2015	197	5,269
2016	185	5,125
2017	169	5,007
2018	150	4,957
2019	135	4,932
2020	98	4,874
2021	-20	4,954
2022	14	5,102
2023	84	5,221

Maternal mortality chart: Saint Kitts and Nevis 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 74 deaths per 100,000 live births in Saint Kitts and Nevis, compared to 75 deaths in Sao Tome and Principe.

Table

Year	Maternal mortality per 100K births
	Saint Kitts	Sao Tome
1985	290	159
1986	285	175
1987	302	161
1988	308	157
1989	316	167
1990	302	164
1991	280	166
1992	255	164
1993	225	166
1994	205	168
1995	204	172
1996	194	171
1997	194	173
1998	193	175
1999	164	179
2000	143	180
2001	131	178
2002	115	179
2003	111	178
2004	104	177
2005	102	181
2006	99	177
2007	96	174
2008	95	174
2009	93	172
2010	92	170
2011	90	164
2012	88	158
2013	82	150
2014	82	138
2015	76	128
2016	75	119
2017	74	110
2018	78	100
2019	74	95
2020	80	92
2021	111	98
2022	99	82
2023	74	75

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 1.63% in Saint Kitts and Nevis 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
	Saint Kitts	Sao Tome
1965	-	9.56%
1966	-	9.29%
1967	-	9.04%
1968	-	8.85%
1969	-	8.71%
1970	-	8.64%
1971	-	8.63%
1972	-	8.67%
1973	6.16%	8.73%
1974	6.03%	8.79%
1975	5.91%	8.85%
1976	5.78%	8.89%
1977	5.64%	8.93%
1978	5.48%	8.96%
1979	5.29%	9.02%
1980	5.06%	9.1%
1981	4.81%	9.21%
1982	4.53%	9.37%
1983	4.26%	9.56%
1984	4%	9.77%
1985	3.76%	9.99%
1986	3.56%	11.4%
1987	3.39%	10.4%
1988	3.24%	10.6%
1989	3.12%	10.7%
1990	3.03%	10.8%
1991	2.96%	10.9%
1992	2.9%	10.9%
1993	2.85%	10.8%
1994	2.8%	10.7%
1995	2.76%	10.4%
1996	2.7%	10.1%
1997	2.64%	9.73%
1998	2.56%	9.26%
1999	2.48%	8.76%
2000	2.39%	8.21%
2001	2.29%	7.66%
2002	2.2%	7.1%
2003	2.11%	6.57%
2004	2.03%	6.05%
2005	1.97%	5.56%
2006	1.92%	5.11%
2007	1.89%	4.68%
2008	1.88%	4.3%
2009	1.87%	3.95%
2010	1.88%	3.63%
2011	1.89%	3.33%
2012	1.91%	3.04%
2013	1.93%	2.77%
2014	1.95%	2.54%
2015	1.94%	2.31%
2016	1.93%	2.11%
2017	1.9%	1.95%
2018	1.86%	1.81%
2019	1.82%	1.7%
2020	1.77%	1.6%
2021	1.72%	1.53%
2022	1.68%	1.46%
2023	1.63%	1.39%