Fertility & birth rates in Sao Tome and Principe and South Korea

Fertility rate in Sao Tome and Principe vs South Korea chart

According to the latest available data on birth rates, the fertility rate in Sao Tome and Principe was 3.64 children per woman in 2023, compared to 0.72 in South Korea in 2023. The replacement level is considered to be 2.1 children per woman.

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

The chart below showcases historical changes in the birth rates.

Table

Year	Fertility rate
	Sao Tome	South Korea
1960	6.24	5.99
1961	6.26	5.8
1962	6.28	5.56
1963	6.31	5.33
1964	6.33	5.07
1965	6.35	4.89
1966	6.37	4.78
1967	6.39	4.62
1968	6.42	4.51
1969	6.44	4.45
1970	6.47	4.53
1971	6.49	4.54
1972	6.51	4.12
1973	6.53	4.07
1974	6.53	3.77
1975	6.53	3.43
1976	6.52	3
1977	6.5	2.99
1978	6.47	2.64
1979	6.43	2.9
1980	6.39	2.82
1981	6.33	2.57
1982	6.28	2.39
1983	6.22	2.06
1984	6.16	1.74
1985	6.1	1.66
1986	6.05	1.58
1987	5.99	1.53
1988	5.94	1.55
1989	5.88	1.56
1990	5.83	1.57
1991	5.77	1.71
1992	5.7	1.76
1993	5.64	1.65
1994	5.56	1.66
1995	5.55	1.63
1996	5.47	1.57
1997	5.4	1.54
1998	5.3	1.46
1999	5.23	1.43
2000	5.16	1.48
2001	5.1	1.31
2002	5.06	1.18
2003	5.01	1.19
2004	4.96	1.16
2005	4.94	1.09
2006	4.93	1.13
2007	4.96	1.26
2008	4.91	1.19
2009	4.84	1.15
2010	4.77	1.23
2011	4.72	1.24
2012	4.66	1.3
2013	4.58	1.19
2014	4.49	1.21
2015	4.35	1.24
2016	4.2	1.17
2017	4.07	1.05
2018	3.98	0.98
2019	3.9	0.92
2020	3.83	0.84
2021	3.76	0.81
2022	3.7	0.78
2023	3.64	0.72
2024	3.6	0.73
2025	3.53	0.75
2026	3.47	0.76
2027	3.42	0.78
2028	3.36	0.79
2029	3.32	0.8
2030	3.26	0.82
2031	3.21	0.83
2032	3.17	0.84
2033	3.13	0.85
2034	3.09	0.86
2035	3.04	0.88
2036	3.01	0.89
2037	2.97	0.9
2038	2.94	0.91
2039	2.9	0.92
2040	2.87	0.93
2041	2.83	0.95
2042	2.8	0.96
2043	2.78	0.96
2044	2.75	0.97
2045	2.73	0.98
2046	2.7	0.99
2047	2.67	1
2048	2.64	1.01
2049	2.62	1.02
2050	2.59	1.03

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Sao Tome	South Korea
1960	32.9%	41.3%
1961	34.3%	41.8%
1962	36.6%	42.3%
1963	38.5%	42.7%
1964	40.2%	43.1%
1965	41.6%	43.3%
1966	42.9%	43.5%
1967	44%	43.3%
1968	44.9%	43.1%
1969	45.8%	42.7%
1970	46.2%	42.1%
1971	46.1%	41.5%
1972	45.9%	41%
1973	45.7%	40.3%
1974	45.6%	39.5%
1975	45.5%	38.5%
1976	45.4%	37.5%
1977	45.3%	36.5%
1978	45.2%	35.6%
1979	45.1%	34.8%
1980	44.9%	34%
1981	44.7%	33.3%
1982	44.5%	32.7%
1983	44.5%	32%
1984	44.4%	31.2%
1985	44.5%	30.2%
1986	44.7%	29.2%
1987	44.9%	28.2%
1988	45%	27.3%
1989	45%	26.5%
1990	45.1%	25.8%
1991	45.1%	25.2%
1992	45.2%	24.7%
1993	45.2%	24.2%
1994	45.1%	23.7%
1995	44.9%	23.1%
1996	44.7%	22.5%
1997	44.3%	22%
1998	43.9%	21.6%
1999	43.4%	21.2%
2000	42.8%	21%
2001	42.5%	20.8%
2002	42.3%	20.5%
2003	42.2%	20.1%
2004	42.1%	19.7%
2005	42%	19.2%
2006	42%	18.7%
2007	42%	18.1%
2008	42.1%	17.5%
2009	42.1%	16.9%
2010	42.1%	16.4%
2011	42%	15.8%
2012	42%	15.2%
2013	42%	14.7%
2014	42%	14.2%
2015	41.9%	13.8%
2016	41.7%	13.4%
2017	41.4%	13%
2018	40.9%	12.7%
2019	40.5%	12.4%
2020	39.9%	12.1%
2021	39.4%	11.8%
2022	38.8%	11.4%
2023	38.3%	11%
2024	37.8%	10.6%
2025	37.5%	10.2%
2026	37.2%	9.82%
2027	36.8%	9.42%
2028	36.4%	9.06%
2029	36%	8.75%
2030	35.6%	8.43%
2031	35.4%	8.15%
2032	35.2%	7.94%
2033	35%	7.79%
2034	34.8%	7.7%
2035	34.7%	7.66%
2036	34.5%	7.65%
2037	34.2%	7.66%
2038	34%	7.68%
2039	33.8%	7.71%
2040	33.5%	7.73%
2041	33.2%	7.75%
2042	32.9%	7.76%
2043	32.6%	7.77%
2044	32.3%	7.78%
2045	32%	7.79%
2046	31.6%	7.8%
2047	31.3%	7.81%
2048	31%	7.82%
2049	30.6%	7.82%
2050	30.2%	7.83%

Children aged 0-14 make up 37.8% of the population in Sao Tome and Principe and 10.6% in South Korea in 2024, compared to 45.1% and 25.8% respectively in 1990.

Demographics of Sao Tome and Principe and South Korea compared.

Natural population change in Sao Tome and Principe vs South Korea by year

For the past 10 years, the annual natural population change (excluding migration) has been +2.4% in Sao Tome and Principe and +0.06% in South Korea. 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
	Sao Tome	South Korea
1960	1,547	728,010
1961	1,657	730,173
1962	1,625	712,590
1963	1,609	685,824
1964	1,600	655,501
1965	1,611	641,090
1966	1,642	623,534
1967	1,693	692,169
1968	1,767	684,487
1969	1,862	694,227
1970	1,980	747,987
1971	2,127	789,185
1972	2,232	740,469
1973	2,329	699,115
1974	2,422	673,030
1975	2,515	603,300
1976	2,608	530,558
1977	2,705	578,947
1978	2,800	499,084
1979	2,893	623,068
1980	2,965	583,294
1981	3,015	631,189
1982	3,047	605,626
1983	3,100	514,844
1984	3,163	436,384
1985	3,242	416,219
1986	3,180	395,651
1987	3,440	378,758
1988	3,544	399,297
1989	3,576	403,266
1990	3,719	411,546
1991	3,801	467,594
1992	3,822	494,352
1993	3,841	477,302
1994	3,860	473,200
1995	3,948	468,967
1996	3,993	446,142
1997	4,041	422,773
1998	4,120	393,436
1999	4,221	368,272
2000	4,334	390,167
2001	4,471	312,643
2002	4,591	247,752
2003	4,702	244,251
2004	4,810	225,988
2005	4,897	187,920
2006	5,057	203,441
2007	5,226	248,286
2008	5,297	215,841
2009	5,349	197,231
2010	5,391	213,083
2011	5,445	214,728
2012	5,501	215,859
2013	5,449	166,415
2014	5,381	167,464
2015	5,269	163,248
2016	5,125	122,923
2017	5,007	71,907
2018	4,957	30,951
2019	4,932	10,353
2020	4,874	-31,101
2021	4,954	-56,947
2022	5,102	-124,014
2023	5,221	-77,569

Maternal mortality chart: Sao Tome and Principe vs South Korea

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 75 deaths per 100,000 live births in Sao Tome and Principe, compared to 4 deaths in South Korea.

Table

Year	Maternal mortality per 100K births
	Sao Tome	South Korea
1985	159	38
1986	175	35
1987	161	34
1988	157	31
1989	167	29
1990	164	28
1991	166	28
1992	164	26
1993	166	24
1994	168	23
1995	172	22
1996	171	20
1997	173	19
1998	175	18
1999	179	17
2000	180	15
2001	178	14
2002	179	13
2003	178	13
2004	177	12
2005	181	11
2006	177	10
2007	174	10
2008	174	9
2009	172	9
2010	170	8
2011	164	8
2012	158	8
2013	150	7
2014	138	7
2015	128	6
2016	119	6
2017	110	6
2018	100	5
2019	95	5
2020	92	12
2021	98	5
2022	82	7
2023	75	4

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 1.39% in Sao Tome and Principe and 0.28% in South Korea. 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
	Sao Tome	South Korea
1960	-	11.2%
1961	-	10.6%
1962	-	10.1%
1963	-	9.67%
1964	-	9.18%
1965	9.56%	8.68%
1966	9.29%	8.16%
1967	9.04%	7.62%
1968	8.85%	7.1%
1969	8.71%	6.59%
1970	8.64%	6.12%
1971	8.63%	5.71%
1972	8.67%	5.36%
1973	8.73%	5.07%
1974	8.79%	4.82%
1975	8.85%	4.61%
1976	8.89%	4.42%
1977	8.93%	4.23%
1978	8.96%	4.04%
1979	9.02%	3.84%
1980	9.1%	3.63%
1981	9.21%	3.4%
1982	9.37%	3.17%
1983	9.56%	2.93%
1984	9.77%	2.7%
1985	9.99%	2.46%
1986	11.4%	2.25%
1987	10.4%	2.05%
1988	10.6%	1.87%
1989	10.7%	1.71%
1990	10.8%	1.57%
1991	10.9%	1.44%
1992	10.9%	1.33%
1993	10.8%	1.23%
1994	10.7%	1.14%
1995	10.4%	1.05%
1996	10.1%	0.98%
1997	9.73%	0.91%
1998	9.26%	0.85%
1999	8.76%	0.8%
2000	8.21%	0.75%
2001	7.66%	0.71%
2002	7.1%	0.68%
2003	6.57%	0.64%
2004	6.05%	0.6%
2005	5.56%	0.56%
2006	5.11%	0.52%
2007	4.68%	0.48%
2008	4.3%	0.45%
2009	3.95%	0.43%
2010	3.63%	0.41%
2011	3.33%	0.4%
2012	3.04%	0.38%
2013	2.77%	0.37%
2014	2.54%	0.36%
2015	2.31%	0.35%
2016	2.11%	0.34%
2017	1.95%	0.33%
2018	1.81%	0.32%
2019	1.7%	0.31%
2020	1.6%	0.3%
2021	1.53%	0.29%
2022	1.46%	0.28%
2023	1.39%	0.28%