Fertility & birth rates in Tonga and Vietnam

Fertility rate in Tonga vs Vietnam by year

Chart Table

Tonga

Vietnam

1x

Year	Fertility rate
	Tonga	Vietnam
2023	3.13	1.91
2022	3.17	1.93
2021	3.2	1.94
2020	3.23	1.96
2019	3.27	1.94
2018	3.33	1.88
2017	3.39	1.99
2016	3.46	2
2015	3.54	2.1
2014	3.62	2.09
2013	3.7	1.98
2012	3.77	1.97
2011	3.83	1.93
2010	3.88	1.91
2009	3.95	1.92
2008	4.01	1.93
2007	4.09	1.91
2006	4.14	1.87
2005	4.2	1.89
2004	4.19	1.97
2003	4.18	2
2002	4.14	2.01
2001	4.13	2.02
2000	4.16	2.03
1999	4.23	2
1998	4.31	2.1
1997	4.38	2.27
1996	4.46	2.47
1995	4.56	2.7
1994	4.66	2.94
1993	4.73	3.17
1992	4.79	3.35
1991	4.85	3.52
1990	4.93	3.6
1989	5.01	3.64
1988	5.1	3.62
1987	5.19	3.72
1986	5.27	3.96
1985	5.34	4.21
1984	5.41	4.41
1983	5.45	4.52
1982	5.5	4.59
1981	5.55	4.67
1980	5.6	4.8
1979	5.65	4.94
1978	5.68	5.1
1977	5.7	5.29
1976	5.73	5.46
1975	5.75	5.62
1974	5.77	5.78
1973	5.8	6.11
1972	5.86	6.1
1971	5.96	6.07
1970	6.07	6.02
1969	6.17	6.01
1968	6.23	6.03
1967	6.29	5.88
1966	6.35	5.97
1965	6.41	6.16
1964	6.46	6.29
1963	6.52	6.39
1962	6.57	6.26
1961	6.61	5.48
1960	6.65	6.27

According to the latest available data on birth rates, the fertility rate in Tonga was 3.13 children per woman in 2023, compared to 1.91 in Vietnam in 2023. The replacement level is considered to be 2.1 children per woman.

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

Natural population change by year

Chart Table

Tonga

Vietnam

1x

Year	Natural population change
	Tonga	Vietnam
2023	1,744	727,955
2022	1,772	775,914
2021	1,773	799,593
2020	1,816	924,004
2019	1,841	895,262
2018	1,873	882,977
2017	1,912	1,001,833
2016	1,989	1,045,094
2015	2,064	1,145,903
2014	2,135	1,151,221
2013	2,199	1,071,570
2012	2,255	1,063,741
2011	2,298	1,029,859
2010	2,332	1,005,559
2009	2,358	1,007,778
2008	2,397	1,008,141
2007	2,423	981,689
2006	2,459	943,041
2005	2,495	942,084
2004	2,478	985,438
2003	2,448	1,001,470
2002	2,396	991,427
2001	2,358	985,610
2000	2,346	966,894
1999	2,352	925,519
1998	2,344	959,016
1997	2,332	1,028,116
1996	2,393	1,108,686
1995	2,476	1,203,666
1994	2,547	1,291,534
1993	2,594	1,370,365
1992	2,622	1,419,952
1991	2,637	1,459,311
1990	2,641	1,449,157
1989	2,644	1,423,622
1988	2,649	1,370,108
1987	2,646	1,359,481
1986	2,704	1,407,957
1985	2,762	1,453,954
1984	2,814	1,477,448
1983	2,840	1,453,913
1982	2,853	1,407,959
1981	2,882	1,358,500
1980	2,885	1,321,595
1979	2,884	1,314,563
1978	2,862	1,286,991
1977	2,822	1,259,315
1976	2,769	1,232,608
1975	2,709	1,175,181
1974	2,650	1,000,505
1973	2,617	1,061,707
1972	2,605	921,524
1971	2,611	963,259
1970	2,628	905,902
1969	2,632	878,359
1968	2,614	815,116
1967	2,603	862,071
1966	2,550	876,283
1965	2,498	913,761
1964	2,445	950,219
1963	2,394	961,067
1962	2,343	960,046
1961	2,284	798,978
1960	2,230	955,268

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 +1.67% in Tonga and +0.73% in Vietnam.

For the past 10 years, the annual natural population change has been +1.79% in Tonga and +0.97% in Vietnam.

Birth rate in Tonga vs Vietnam by year

Chart Table

Tonga

Vietnam

Annual births per 1,000 people

1x

Year	Annual births per 1,000 people
	Tonga	Vietnam
2023	23.1	13.8
2022	23.4	14.3
2021	23.5	14.7
2020	23.6	15.2
2019	23.8	15.5
2018	24.1	15.4
2017	24.5	16.8
2016	25.2	17.3
2015	25.8	18.5
2014	26.4	18.7
2013	26.9	17.9
2012	27.3	17.9
2011	27.7	17.6
2010	28	17.4
2009	28.4	17.5
2008	28.7	17.7
2007	29	17.5
2006	29.5	17.2
2005	30	17.4
2004	30	18
2003	29.9	18.2
2002	29.5	18.1
2001	29.4	18.1
2000	29.4	18
1999	29.6	17.6
1998	29.7	18.3
1997	29.8	19.6
1996	30.6	21
1995	31.4	22.7
1994	32.2	24.5
1993	32.7	26.1
1992	33	27.3
1991	33.2	28.5
1990	33.3	28.9
1989	33.4	29
1988	33.5	28.7
1987	33.7	29.2
1986	34.4	30.7
1985	34.9	32.2
1984	35.4	33.3
1983	35.6	33.7
1982	35.8	33.6
1981	36	33.4
1980	36.1	33.5
1979	36.1	34.1
1978	36	34.3
1977	35.7	34.6
1976	35.6	34.9
1975	35.8	35.1
1974	36	35.5
1973	36.5	36.9
1972	37	36.4
1971	37.8	35.7
1970	38.8	35.2
1969	39.6	35.1
1968	40.3	35.2
1967	41	34.6
1966	41.4	35.4
1965	41.9	37.1
1964	42.4	38.6
1963	42.9	40
1962	43.4	40
1961	43.9	35.6
1960	44.3	41.6

The latest reported birth rate per 1,000 people in 2023 was 23.1 in Tonga and 13.8 in Vietnam, compared with 44.3 and 41.6, respectively, in 1960.

Children 0-14 years as share of population

Chart Table

Tonga

Factual

UN forecast

Vietnam

Factual

UN forecast

1x

Year	Young
	Tonga	Vietnam
2100	17.5%	13.2%
2099	17.6%	13.2%
2098	17.7%	13.3%
2097	17.7%	13.3%
2096	17.9%	13.3%
2095	18%	13.4%
2094	18.1%	13.4%
2093	18.3%	13.5%
2092	18.4%	13.5%
2091	18.6%	13.6%
2090	18.8%	13.7%
2089	19%	13.7%
2088	19.3%	13.8%
2087	19.5%	13.9%
2086	19.7%	14%
2085	20%	14%
2084	20.2%	14.1%
2083	20.4%	14.2%
2082	20.7%	14.2%
2081	20.9%	14.3%
2080	21.1%	14.3%
2079	21.3%	14.4%
2078	21.5%	14.4%
2077	21.7%	14.4%
2076	21.9%	14.4%
2075	22%	14.5%
2074	22.2%	14.5%
2073	22.3%	14.5%
2072	22.4%	14.5%
2071	22.6%	14.5%
2070	22.7%	14.5%
2069	22.8%	14.5%
2068	23%	14.5%
2067	23.2%	14.6%
2066	23.4%	14.6%
2065	23.6%	14.7%
2064	23.8%	14.8%
2063	24.1%	14.9%
2062	24.4%	15%
2061	24.7%	15.1%
2060	25%	15.3%
2059	25.4%	15.4%
2058	25.8%	15.6%
2057	26.2%	15.8%
2056	26.6%	16%
2055	27%	16.2%
2054	27.4%	16.4%
2053	27.8%	16.6%
2052	28.2%	16.7%
2051	28.5%	16.9%
2050	28.9%	17%
2049	29.1%	17.1%
2048	29.4%	17.2%
2047	29.6%	17.3%
2046	29.7%	17.4%
2045	29.8%	17.4%
2044	29.9%	17.5%
2043	30%	17.5%
2042	30.1%	17.5%
2041	30.1%	17.6%
2040	30.2%	17.6%
2039	30.2%	17.7%
2038	30.3%	17.8%
2037	30.4%	18%
2036	30.6%	18.2%
2035	30.7%	18.4%
2034	30.9%	18.7%
2033	31.1%	18.9%
2032	31.4%	19.3%
2031	31.8%	19.7%
2030	32.3%	20.2%
2029	33%	20.8%
2028	33.6%	21.4%
2027	34.1%	22.2%
2026	34.6%	22.7%
2025	35.2%	23%
2024	35.4%	23.2%
2023	35.6%	23.6%
2022	35.6%	23.9%
2021	35.7%	24.2%
2020	35.8%	24.4%
2019	36%	24.5%
2018	36.2%	24.6%
2017	36.4%	24.4%
2016	36.5%	24.1%
2015	36.7%	24%
2014	36.9%	24%
2013	37.1%	23.9%
2012	37.2%	24%
2011	37.4%	24.2%
2010	37.6%	24.6%
2009	37.8%	25.1%
2008	38%	25.6%
2007	38.3%	26.2%
2006	38.3%	26.9%
2005	38.3%	27.7%
2004	38.2%	28.5%
2003	38.1%	29.2%
2002	38.1%	29.9%
2001	38.2%	30.6%
2000	38.3%	31.5%
1999	38.6%	32.5%
1998	38.9%	33.5%
1997	39.3%	34.5%
1996	39.7%	35.4%
1995	39.9%	36.1%
1994	40.1%	36.7%
1993	40.3%	37.2%
1992	40.5%	37.7%
1991	40.6%	38.1%
1990	40.8%	38.5%
1989	40.9%	38.8%
1988	41.2%	39.2%
1987	41.5%	39.6%
1986	41.7%	39.9%
1985	42%	40.1%
1984	42.4%	40.1%
1983	42.9%	40.2%
1982	43.4%	40.2%
1981	43.9%	40.2%
1980	44.3%	40.3%
1979	44.8%	40.4%
1978	45.3%	40.6%
1977	45.8%	41%
1976	46.1%	41.2%
1975	46.2%	41.4%
1974	46.2%	41.8%
1973	46.2%	42.1%
1972	46.3%	42.4%
1971	46.4%	42.7%
1970	46.4%	42.9%
1969	46.3%	43.2%
1968	46.2%	43.4%
1967	46%	43.5%
1966	45.9%	43.6%
1965	45.9%	43.5%
1964	45.9%	43.4%
1963	45.9%	43.1%
1962	45.8%	42.4%
1961	45.7%	41.8%
1960	45.7%	41.1%

Children aged 0-14 make up 35.4% of the population in Tonga and 23.2% in Vietnam in 2024, compared to 40.8% and 38.5% respectively in 1990.

Demographics of Tonga and Vietnam compared.

Maternal mortality chart: Tonga vs Vietnam

Chart Table

Tonga

Vietnam

1x

Year	Maternal mortality per 100K births
	Tonga	Vietnam
2023	67	48
2022	72	49
2021	76	52
2020	74	51
2019	73	52
2018	74	53
2017	77	55
2016	78	56
2015	79	58
2014	80	59
2013	80	60
2012	83	60
2011	84	61
2010	85	62
2009	91	64
2008	88	65
2007	88	66
2006	89	67
2005	92	69
2004	92	72
2003	95	71
2002	98	74
2001	98	78
2000	100	83
1999	99	86
1998	104	93
1997	111	104
1996	113	111
1995	117	119
1994	123	130
1993	127	135
1992	129	139
1991	134	142
1990	138	147
1989	139	152
1988	145	155
1987	147	163
1986	149	174
1985	148	186

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 67 deaths per 100,000 live births in Tonga, compared to 48 deaths in Vietnam.

Under-five mortality rates

Chart Table

Tonga

Vietnam

Probability that a newborn baby will die before reaching age five

1x

Year	Under 5 mortality rate
	Tonga	Vietnam
2023	0.99%	2%
2022	1.02%	2.04%
2021	1.05%	2.07%
2020	1.08%	2.1%
2019	1.1%	2.12%
2018	1.12%	2.14%
2017	1.15%	2.15%
2016	1.17%	2.18%
2015	1.19%	2.2%
2014	1.22%	2.22%
2013	1.24%	2.24%
2012	1.26%	2.26%
2011	1.29%	2.28%
2010	1.31%	2.31%
2009	1.34%	2.33%
2008	1.37%	2.36%
2007	1.41%	2.4%
2006	1.44%	2.45%
2005	1.48%	2.5%
2004	1.52%	2.57%
2003	1.56%	2.65%
2002	1.61%	2.74%
2001	1.65%	2.86%
2000	1.7%	2.98%
1999	1.74%	3.13%
1998	1.78%	3.29%
1997	1.81%	3.48%
1996	1.85%	3.68%
1995	1.89%	3.9%
1994	1.94%	4.14%
1993	2%	4.39%
1992	2.06%	4.64%
1991	2.14%	4.9%
1990	2.21%	5.15%
1989	2.29%	5.4%
1988	2.37%	5.64%
1987	2.44%	5.85%
1986	2.51%	6.04%
1985	2.57%	6.21%
1984	2.63%	6.36%
1983	2.7%	6.5%
1982	2.78%	6.64%
1981	2.87%	6.79%
1980	2.97%	6.94%
1979	3.09%	7.1%
1978	3.22%	7.27%
1977	3.37%	7.44%
1976	3.53%	7.6%
1975	3.71%	7.75%
1974	3.9%	10.7%
1973	4.11%	10.4%
1972	4.35%	11.9%
1971	4.61%	10.5%
1970	4.91%	10.7%
1969	5.25%	10.8%
1968	5.63%	11.6%
1967	6.03%	10%
1966	6.45%	9.97%
1965	6.89%	9.93%
1964	7.35%	8.73%
1963	7.83%	-

The chance that a newborn baby will die before reaching age five is 0.99% in Tonga and 2% in Vietnam. Above is a chart with historical data on under-five mortality rates.