Fertility & birth rates in Samoa and Tonga

Fertility rate in Samoa vs Tonga by year

Chart Table

Samoa

Tonga

1x

Year	Fertility rate
	Samoa	Tonga
2023	3.83	3.13
2022	3.88	3.17
2021	3.94	3.2
2020	4	3.23
2019	4.06	3.27
2018	4.14	3.33
2017	4.2	3.39
2016	4.26	3.46
2015	4.34	3.54
2014	4.42	3.62
2013	4.49	3.7
2012	4.55	3.77
2011	4.56	3.83
2010	4.52	3.88
2009	4.47	3.95
2008	4.42	4.01
2007	4.36	4.09
2006	4.32	4.14
2005	4.32	4.2
2004	4.34	4.19
2003	4.39	4.18
2002	4.44	4.14
2001	4.48	4.13
2000	4.52	4.16
1999	4.57	4.23
1998	4.64	4.31
1997	4.7	4.38
1996	4.74	4.46
1995	4.77	4.56
1994	4.79	4.66
1993	4.83	4.73
1992	4.87	4.79
1991	4.91	4.85
1990	5.01	4.93
1989	5.11	5.01
1988	5.21	5.1
1987	5.32	5.19
1986	5.42	5.27
1985	5.49	5.34
1984	5.55	5.41
1983	5.62	5.45
1982	5.68	5.5
1981	5.75	5.55
1980	5.86	5.6
1979	5.99	5.65
1978	6.15	5.68
1977	6.31	5.7
1976	6.47	5.73
1975	6.61	5.75
1974	6.75	5.77
1973	6.91	5.8
1972	7.07	5.86
1971	7.22	5.96
1970	7.34	6.07
1969	7.43	6.17
1968	7.5	6.23
1967	7.55	6.29
1966	7.6	6.35
1965	7.65	6.41
1964	7.7	6.46
1963	7.73	6.52
1962	7.76	6.57
1961	7.77	6.61
1960	7.78	6.65

According to the latest available data on birth rates, the fertility rate in Samoa was 3.83 children per woman in 2023, compared to 3.13 in Tonga in 2023. The replacement level is considered to be 2.1 children per woman.

Check Samoa vs Tonga population clock for a dynamic visualization of the changing population.

Natural population change by year

Chart Table

Samoa

Tonga

1x

Year	Natural population change
	Samoa	Tonga
2023	4,170	1,744
2022	4,288	1,772
2021	4,379	1,773
2020	4,442	1,816
2019	4,495	1,841
2018	4,637	1,873
2017	4,661	1,912
2016	4,720	1,989
2015	4,795	2,064
2014	4,849	2,135
2013	4,875	2,199
2012	4,863	2,255
2011	4,860	2,298
2010	4,779	2,332
2009	4,525	2,358
2008	4,581	2,397
2007	4,480	2,423
2006	4,473	2,459
2005	4,503	2,495
2004	4,554	2,478
2003	4,622	2,448
2002	4,672	2,396
2001	4,759	2,358
2000	4,855	2,346
1999	4,937	2,352
1998	5,022	2,344
1997	5,053	2,332
1996	5,038	2,393
1995	4,976	2,476
1994	4,880	2,547
1993	4,769	2,594
1992	4,652	2,622
1991	4,655	2,637
1990	4,759	2,641
1989	4,845	2,644
1988	4,889	2,649
1987	4,909	2,646
1986	4,983	2,704
1985	4,998	2,762
1984	4,979	2,814
1983	4,914	2,840
1982	4,808	2,853
1981	4,720	2,882
1980	4,672	2,885
1979	4,624	2,884
1978	4,587	2,862
1977	4,555	2,822
1976	4,519	2,769
1975	4,465	2,709
1974	4,411	2,650
1973	4,446	2,617
1972	4,487	2,605
1971	4,534	2,611
1970	4,567	2,628
1969	4,592	2,632
1968	4,605	2,614
1967	4,621	2,603
1966	4,593	2,550
1965	4,605	2,498
1964	4,326	2,445
1963	4,544	2,394
1962	4,498	2,343
1961	4,399	2,284
1960	4,298	2,230

The chart above illustrates the comparison of the absolute yearly changes in population resulting from births and deaths.

Excluding migration, the natural population change due to births and deaths from 2022 to 2023 was +1.92% in Samoa and +1.67% in Tonga.

For the past 10 years, the annual natural population change has been +2.18% in Samoa and +1.79% in Tonga.

Birth rate in Samoa vs Tonga by year

Chart Table

Samoa

Tonga

Annual births per 1,000 people

1x

Year	Annual births per 1,000 people
	Samoa	Tonga
2023	25.4	23.1
2022	26.1	23.4
2021	26.9	23.5
2020	27.5	23.6
2019	28	23.8
2018	28.5	24.1
2017	28.8	24.5
2016	29.3	25.2
2015	29.8	25.8
2014	30.2	26.4
2013	30.5	26.9
2012	30.7	27.3
2011	30.8	27.7
2010	30.5	28
2009	30.1	28.4
2008	29.8	28.7
2007	29.3	29
2006	29.3	29.5
2005	29.5	30
2004	29.8	30
2003	30.2	29.9
2002	30.6	29.5
2001	31.3	29.4
2000	32.1	29.4
1999	32.8	29.6
1998	33.5	29.7
1997	33.9	29.8
1996	34.2	30.6
1995	34.1	31.4
1994	33.8	32.2
1993	33.5	32.7
1992	33	33
1991	33.4	33.2
1990	34.1	33.3
1989	34.7	33.4
1988	35.1	33.5
1987	35.5	33.7
1986	36.1	34.4
1985	36.2	34.9
1984	36.2	35.4
1983	35.8	35.6
1982	35.3	35.8
1981	35	36
1980	35.1	36.1
1979	35.2	36.1
1978	35.4	36
1977	35.6	35.7
1976	36	35.6
1975	36.6	35.8
1974	37.2	36
1973	38.3	36.5
1972	39.3	37
1971	40.3	37.8
1970	41.3	38.8
1969	42.3	39.6
1968	43.3	40.3
1967	44.3	41
1966	45.2	41.4
1965	46.5	41.9
1964	47.7	42.4
1963	48.8	42.9
1962	49.9	43.4
1961	50.5	43.9
1960	51	44.3

The latest reported birth rate per 1,000 people in 2023 was 25.4 in Samoa and 23.1 in Tonga, compared with 51 and 44.3, respectively, in 1960.

Children 0-14 years as share of population

Chart Table

Samoa

Factual

UN forecast

Tonga

Factual

UN forecast

1x

Year	Young
	Samoa	Tonga
2100	20.1%	17.5%
2099	20.2%	17.6%
2098	20.4%	17.7%
2097	20.5%	17.7%
2096	20.6%	17.9%
2095	20.8%	18%
2094	21%	18.1%
2093	21.2%	18.3%
2092	21.4%	18.4%
2091	21.6%	18.6%
2090	21.8%	18.8%
2089	22%	19%
2088	22.3%	19.3%
2087	22.6%	19.5%
2086	22.8%	19.7%
2085	23.1%	20%
2084	23.4%	20.2%
2083	23.6%	20.4%
2082	23.9%	20.7%
2081	24.2%	20.9%
2080	24.4%	21.1%
2079	24.7%	21.3%
2078	24.9%	21.5%
2077	25.1%	21.7%
2076	25.3%	21.9%
2075	25.5%	22%
2074	25.7%	22.2%
2073	25.8%	22.3%
2072	26%	22.4%
2071	26.1%	22.6%
2070	26.3%	22.7%
2069	26.5%	22.8%
2068	26.6%	23%
2067	26.8%	23.2%
2066	27%	23.4%
2065	27.3%	23.6%
2064	27.5%	23.8%
2063	27.8%	24.1%
2062	28.1%	24.4%
2061	28.5%	24.7%
2060	28.9%	25%
2059	29.3%	25.4%
2058	29.7%	25.8%
2057	30.1%	26.2%
2056	30.5%	26.6%
2055	31%	27%
2054	31.4%	27.4%
2053	31.7%	27.8%
2052	32.1%	28.2%
2051	32.4%	28.5%
2050	32.6%	28.9%
2049	32.8%	29.1%
2048	33%	29.4%
2047	33.1%	29.6%
2046	33.1%	29.7%
2045	33.1%	29.8%
2044	33.1%	29.9%
2043	33%	30%
2042	32.9%	30.1%
2041	32.8%	30.1%
2040	32.7%	30.2%
2039	32.6%	30.2%
2038	32.6%	30.3%
2037	32.7%	30.4%
2036	32.8%	30.6%
2035	33.1%	30.7%
2034	33.5%	30.9%
2033	34%	31.1%
2032	34.4%	31.4%
2031	34.9%	31.8%
2030	35.5%	32.3%
2029	36.1%	33%
2028	36.6%	33.6%
2027	37.3%	34.1%
2026	37.8%	34.6%
2025	38.3%	35.2%
2024	38.5%	35.4%
2023	38.7%	35.6%
2022	38.8%	35.6%
2021	38.7%	35.7%
2020	38.6%	35.8%
2019	38.5%	36%
2018	38.3%	36.2%
2017	38.2%	36.4%
2016	38.1%	36.5%
2015	38.1%	36.7%
2014	38.1%	36.9%
2013	38.1%	37.1%
2012	38.3%	37.2%
2011	38.4%	37.4%
2010	38.4%	37.6%
2009	38.5%	37.8%
2008	38.7%	38%
2007	39%	38.3%
2006	39.4%	38.3%
2005	39.6%	38.3%
2004	39.9%	38.2%
2003	40.2%	38.1%
2002	40.5%	38.1%
2001	40.7%	38.2%
2000	40.5%	38.3%
1999	40.3%	38.6%
1998	40.2%	38.9%
1997	40.1%	39.3%
1996	39.9%	39.7%
1995	39.9%	39.9%
1994	40%	40.1%
1993	40.3%	40.3%
1992	40.8%	40.5%
1991	41.2%	40.6%
1990	41.5%	40.8%
1989	41.8%	40.9%
1988	42%	41.2%
1987	42.2%	41.5%
1986	42.6%	41.7%
1985	43.1%	42%
1984	43.7%	42.4%
1983	44.4%	42.9%
1982	45.2%	43.4%
1981	45.9%	43.9%
1980	46.4%	44.3%
1979	46.9%	44.8%
1978	47.4%	45.3%
1977	48%	45.8%
1976	48.6%	46.1%
1975	49.3%	46.2%
1974	49.9%	46.2%
1973	50.4%	46.2%
1972	50.8%	46.3%
1971	51%	46.4%
1970	51.2%	46.4%
1969	51.4%	46.3%
1968	51.4%	46.2%
1967	51.4%	46%
1966	51.3%	45.9%
1965	51.3%	45.9%
1964	51.2%	45.9%
1963	50.9%	45.9%
1962	50.6%	45.8%
1961	50.2%	45.7%
1960	50.1%	45.7%

Children aged 0-14 make up 38.5% of the population in Samoa and 35.4% in Tonga in 2024, compared to 41.5% and 40.8% respectively in 1990.

Demographics of Samoa and Tonga compared.

Maternal mortality chart: Samoa vs Tonga

Chart Table

Samoa

Tonga

1x

Year	Maternal mortality per 100K births
	Samoa	Tonga
2023	101	67
2022	110	72
2021	115	76
2020	114	74
2019	111	73
2018	110	74
2017	111	77
2016	108	78
2015	108	79
2014	106	80
2013	100	80
2012	101	83
2011	93	84
2010	92	85
2009	94	91
2008	87	88
2007	85	88
2006	86	89
2005	87	92
2004	86	92
2003	87	95
2002	89	98
2001	93	98
2000	93	100
1999	94	99
1998	96	104
1997	98	111
1996	103	113
1995	105	117
1994	112	123
1993	117	127
1992	124	129
1991	131	134
1990	135	138
1989	136	139
1988	143	145
1987	147	147
1986	153	149
1985	160	148

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 101 deaths per 100,000 live births in Samoa, compared to 67 deaths in Tonga.

Under-five mortality rates

Chart Table

Samoa

Tonga

Probability that a newborn baby will die before reaching age five

1x

Year	Under 5 mortality rate
	Samoa	Tonga
2023	1.57%	0.99%
2022	1.62%	1.02%
2021	1.66%	1.05%
2020	1.7%	1.08%
2019	2.02%	1.1%
2018	1.78%	1.12%
2017	1.81%	1.15%
2016	1.83%	1.17%
2015	1.85%	1.19%
2014	1.87%	1.22%
2013	1.89%	1.24%
2012	1.91%	1.26%
2011	1.92%	1.29%
2010	1.93%	1.31%
2009	2.54%	1.34%
2008	1.93%	1.37%
2007	1.93%	1.41%
2006	1.93%	1.44%
2005	1.93%	1.48%
2004	1.94%	1.52%
2003	1.97%	1.56%
2002	2%	1.61%
2001	2.06%	1.65%
2000	2.12%	1.7%
1999	2.19%	1.74%
1998	2.27%	1.78%
1997	2.35%	1.81%
1996	2.44%	1.85%
1995	2.52%	1.89%
1994	2.61%	1.94%
1993	2.7%	2%
1992	2.8%	2.06%
1991	2.89%	2.14%
1990	2.98%	2.21%
1989	3.08%	2.29%
1988	3.18%	2.37%
1987	3.3%	2.44%
1986	3.42%	2.51%
1985	3.56%	2.57%
1984	3.7%	2.63%
1983	3.85%	2.7%
1982	4.01%	2.78%
1981	4.19%	2.87%
1980	4.38%	2.97%
1979	4.59%	3.09%
1978	4.82%	3.22%
1977	5.07%	3.37%
1976	5.34%	3.53%
1975	5.62%	3.71%
1974	5.9%	3.9%
1973	6.2%	4.11%
1972	6.52%	4.35%
1971	6.85%	4.61%
1970	7.19%	4.91%
1969	7.53%	5.25%
1968	7.89%	5.63%
1967	8.23%	6.03%
1966	8.57%	6.45%
1965	8.9%	6.89%
1964	11.1%	7.35%
1963	9.56%	7.83%
1962	9.93%	-
1961	10.3%	-
1960	10.7%	-

The chance that a newborn baby will die before reaching age five is 1.57% in Samoa and 0.99% in Tonga. Above is a chart with historical data on under-five mortality rates.