Fertility & birth rates in Sao Tome and Principe and Solomon Islands

Fertility rate in Sao Tome and Principe vs Solomon Islands 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 3.56 in the Solomon Islands in 2023. The replacement level is considered to be 2.1 children per woman.

Check Sao Tome and Principe vs the Solomon Islands 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	Solomon Islands
1960	6.24	7.07
1961	6.26	7.05
1962	6.28	7.04
1963	6.31	7.03
1964	6.33	7.05
1965	6.35	7.02
1966	6.37	7
1967	6.39	6.97
1968	6.42	6.95
1969	6.44	6.97
1970	6.47	6.98
1971	6.49	6.99
1972	6.51	6.99
1973	6.53	7
1974	6.53	7.01
1975	6.53	6.99
1976	6.52	6.95
1977	6.5	6.92
1978	6.47	6.87
1979	6.43	6.82
1980	6.39	6.77
1981	6.33	6.71
1982	6.28	6.64
1983	6.22	6.57
1984	6.16	6.49
1985	6.1	6.38
1986	6.05	6.26
1987	5.99	6.12
1988	5.94	5.99
1989	5.88	5.87
1990	5.83	5.74
1991	5.77	5.62
1992	5.7	5.51
1993	5.64	5.45
1994	5.56	5.4
1995	5.55	5.34
1996	5.47	5.22
1997	5.4	5.09
1998	5.3	4.98
1999	5.23	4.86
2000	5.16	4.76
2001	5.1	4.67
2002	5.06	4.6
2003	5.01	4.54
2004	4.96	4.47
2005	4.94	4.41
2006	4.93	4.39
2007	4.96	4.37
2008	4.91	4.36
2009	4.84	4.35
2010	4.77	4.34
2011	4.72	4.34
2012	4.66	4.33
2013	4.58	4.33
2014	4.49	4.36
2015	4.35	4.29
2016	4.2	4.2
2017	4.07	4.06
2018	3.98	3.93
2019	3.9	3.8
2020	3.83	3.75
2021	3.76	3.69
2022	3.7	3.62
2023	3.64	3.56
2024	3.6	3.51
2025	3.53	3.47
2026	3.47	3.42
2027	3.42	3.37
2028	3.36	3.32
2029	3.32	3.28
2030	3.26	3.24
2031	3.21	3.2
2032	3.17	3.16
2033	3.13	3.12
2034	3.09	3.08
2035	3.04	3.04
2036	3.01	3
2037	2.97	2.97
2038	2.94	2.94
2039	2.9	2.91
2040	2.87	2.88
2041	2.83	2.84
2042	2.8	2.82
2043	2.78	2.79
2044	2.75	2.76
2045	2.73	2.73
2046	2.7	2.71
2047	2.67	2.68
2048	2.64	2.66
2049	2.62	2.63
2050	2.59	2.61

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Sao Tome	Solomon Islands
1960	32.9%	46.3%
1961	34.3%	46.1%
1962	36.6%	46%
1963	38.5%	45.9%
1964	40.2%	45.8%
1965	41.6%	45.9%
1966	42.9%	46%
1967	44%	46.2%
1968	44.9%	46.4%
1969	45.8%	46.6%
1970	46.2%	46.7%
1971	46.1%	46.8%
1972	45.9%	46.9%
1973	45.7%	47.1%
1974	45.6%	47.5%
1975	45.5%	47.9%
1976	45.4%	48.2%
1977	45.3%	48.3%
1978	45.2%	48.3%
1979	45.1%	48.3%
1980	44.9%	48.3%
1981	44.7%	48.2%
1982	44.5%	48.1%
1983	44.5%	47.9%
1984	44.4%	47.8%
1985	44.5%	47.5%
1986	44.7%	47.3%
1987	44.9%	46.9%
1988	45%	46.6%
1989	45%	46.2%
1990	45.1%	45.8%
1991	45.1%	45.4%
1992	45.2%	45.1%
1993	45.2%	44.8%
1994	45.1%	44.5%
1995	44.9%	44.3%
1996	44.7%	44%
1997	44.3%	43.8%
1998	43.9%	43.5%
1999	43.4%	43.2%
2000	42.8%	42.9%
2001	42.5%	42.5%
2002	42.3%	42.2%
2003	42.2%	41.9%
2004	42.1%	41.7%
2005	42%	41.5%
2006	42%	41.3%
2007	42%	41.2%
2008	42.1%	41.2%
2009	42.1%	41.1%
2010	42.1%	41%
2011	42%	40.8%
2012	42%	40.7%
2013	42%	40.4%
2014	42%	40.2%
2015	41.9%	40%
2016	41.7%	39.7%
2017	41.4%	39.4%
2018	40.9%	39%
2019	40.5%	38.7%
2020	39.9%	38.4%
2021	39.4%	38.1%
2022	38.8%	37.7%
2023	38.3%	37.4%
2024	37.8%	37%
2025	37.5%	36.6%
2026	37.2%	36.1%
2027	36.8%	35.7%
2028	36.4%	35.2%
2029	36%	34.7%
2030	35.6%	34.3%
2031	35.4%	33.9%
2032	35.2%	33.5%
2033	35%	33.2%
2034	34.8%	32.9%
2035	34.7%	32.7%
2036	34.5%	32.4%
2037	34.2%	32.2%
2038	34%	31.9%
2039	33.8%	31.7%
2040	33.5%	31.5%
2041	33.2%	31.2%
2042	32.9%	31%
2043	32.6%	30.7%
2044	32.3%	30.4%
2045	32%	30.2%
2046	31.6%	29.9%
2047	31.3%	29.6%
2048	31%	29.3%
2049	30.6%	29%
2050	30.2%	28.7%

Children aged 0-14 make up 37.8% of the population in Sao Tome and Principe and 37% in the Solomon Islands in 2024, compared to 45.1% and 45.8% respectively in 1990.

Demographics of Sao Tome and Principe and the Solomon Islands compared.

Natural population change in Sao Tome and Principe vs Solomon Islands by year

For the past 10 years, the annual natural population change (excluding migration) has been +2.4% in Sao Tome and Principe and +2.38% in the Solomon Islands. 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	Solomon Islands
1960	1,547	4,119
1961	1,657	4,257
1962	1,625	4,408
1963	1,609	4,571
1964	1,600	4,747
1965	1,611	4,885
1966	1,642	5,028
1967	1,693	5,151
1968	1,767	5,285
1969	1,862	5,444
1970	1,980	5,575
1971	2,127	5,814
1972	2,232	6,074
1973	2,329	6,343
1974	2,422	6,612
1975	2,515	6,635
1976	2,608	7,058
1977	2,705	7,290
1978	2,800	7,598
1979	2,893	7,874
1980	2,965	8,156
1981	3,015	8,436
1982	3,047	8,720
1983	3,100	9,011
1984	3,163	9,299
1985	3,242	9,534
1986	3,180	9,656
1987	3,440	9,943
1988	3,544	10,142
1989	3,576	10,354
1990	3,719	10,561
1991	3,801	10,789
1992	3,822	11,029
1993	3,841	11,396
1994	3,860	11,771
1995	3,948	12,124
1996	3,993	12,328
1997	4,041	12,478
1998	4,120	12,658
1999	4,221	12,809
2000	4,334	12,938
2001	4,471	13,061
2002	4,591	13,195
2003	4,702	13,344
2004	4,810	13,444
2005	4,897	13,568
2006	5,057	13,799
2007	5,226	13,963
2008	5,297	14,225
2009	5,349	14,381
2010	5,391	14,604
2011	5,445	15,095
2012	5,501	15,585
2013	5,449	16,038
2014	5,381	16,652
2015	5,269	16,909
2016	5,125	17,027
2017	5,007	16,897
2018	4,957	16,790
2019	4,932	16,649
2020	4,874	16,488
2021	4,954	16,626
2022	5,102	17,253
2023	5,221	17,436

Maternal mortality chart: Sao Tome and Principe vs Solomon Islands

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 123 deaths in the Solomon Islands.

Table

Year	Maternal mortality per 100K births
	Sao Tome	Solomon Islands
1985	159	209
1986	175	226
1987	161	200
1988	157	193
1989	167	188
1990	164	184
1991	166	178
1992	164	174
1993	166	173
1994	168	170
1995	172	168
1996	171	166
1997	173	164
1998	175	165
1999	179	164
2000	180	166
2001	178	167
2002	179	168
2003	178	167
2004	177	164
2005	181	161
2006	177	159
2007	174	163
2008	174	153
2009	172	152
2010	170	148
2011	164	147
2012	158	146
2013	150	147
2014	138	147
2015	128	146
2016	119	143
2017	110	140
2018	100	136
2019	95	135
2020	92	131
2021	98	153
2022	82	126
2023	75	123

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 2.06% in the Solomon Islands. 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	Solomon Islands
1960	-	16.7%
1961	-	16%
1962	-	15.4%
1963	-	14.7%
1964	-	14%
1965	9.56%	13.3%
1966	9.29%	12.7%
1967	9.04%	12%
1968	8.85%	11.3%
1969	8.71%	10.6%
1970	8.64%	9.94%
1971	8.63%	9.29%
1972	8.67%	8.69%
1973	8.73%	8.12%
1974	8.79%	7.6%
1975	8.85%	7.9%
1976	8.89%	6.68%
1977	8.93%	6.29%
1978	8.96%	5.95%
1979	9.02%	5.64%
1980	9.1%	5.38%
1981	9.21%	5.14%
1982	9.37%	4.93%
1983	9.56%	4.74%
1984	9.77%	4.58%
1985	9.99%	4.42%
1986	11.4%	4.28%
1987	10.4%	4.16%
1988	10.6%	4.04%
1989	10.7%	3.93%
1990	10.8%	3.82%
1991	10.9%	3.72%
1992	10.9%	3.62%
1993	10.8%	3.52%
1994	10.7%	3.43%
1995	10.4%	3.35%
1996	10.1%	3.27%
1997	9.73%	3.21%
1998	9.26%	3.16%
1999	8.76%	3.11%
2000	8.21%	3.07%
2001	7.66%	3.03%
2002	7.1%	2.99%
2003	6.57%	2.97%
2004	6.05%	2.94%
2005	5.56%	2.91%
2006	5.11%	2.88%
2007	4.68%	2.85%
2008	4.3%	2.81%
2009	3.95%	2.76%
2010	3.63%	2.72%
2011	3.33%	2.67%
2012	3.04%	2.62%
2013	2.77%	2.58%
2014	2.54%	2.53%
2015	2.31%	2.49%
2016	2.11%	2.45%
2017	1.95%	2.41%
2018	1.81%	2.36%
2019	1.7%	2.3%
2020	1.6%	2.24%
2021	1.53%	2.18%
2022	1.46%	2.12%
2023	1.39%	2.06%