Fertility & birth rates in Thailand and Tonga

Fertility rate in Thailand vs Tonga chart

According to the latest available data on birth rates, the fertility rate in Thailand was 1.21 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 Thailand vs Tonga population clock for a dynamic visualization of the changing population.

The chart below showcases historical changes in the birth rates.

Table

Year	Fertility rate
	Thailand	Tonga
1960	6.33	6.65
1961	6.32	6.61
1962	6.33	6.57
1963	6.34	6.52
1964	6.31	6.46
1965	6.26	6.41
1966	6.18	6.35
1967	6.08	6.29
1968	5.93	6.23
1969	5.7	6.17
1970	5.45	6.07
1971	5.25	5.96
1972	5.08	5.86
1973	4.85	5.8
1974	4.6	5.77
1975	4.36	5.75
1976	4.12	5.73
1977	3.87	5.7
1978	3.62	5.68
1979	3.45	5.65
1980	3.29	5.6
1981	3.13	5.55
1982	2.94	5.5
1983	2.76	5.45
1984	2.58	5.41
1985	2.45	5.34
1986	2.36	5.27
1987	2.26	5.19
1988	2.17	5.1
1989	2.14	5.01
1990	2.07	4.93
1991	2.04	4.85
1992	2.01	4.79
1993	1.97	4.73
1994	1.93	4.66
1995	1.89	4.56
1996	1.87	4.46
1997	1.85	4.38
1998	1.82	4.31
1999	1.77	4.23
2000	1.73	4.16
2001	1.71	4.13
2002	1.69	4.14
2003	1.67	4.18
2004	1.67	4.19
2005	1.64	4.2
2006	1.63	4.14
2007	1.62	4.09
2008	1.59	4.01
2009	1.57	3.95
2010	1.56	3.88
2011	1.57	3.83
2012	1.56	3.77
2013	1.53	3.7
2014	1.48	3.62
2015	1.45	3.54
2016	1.4	3.46
2017	1.36	3.39
2018	1.32	3.33
2019	1.29	3.27
2020	1.26	3.23
2021	1.23	3.2
2022	1.22	3.17
2023	1.21	3.13
2024	1.2	3.1
2025	1.19	3.07
2026	1.19	3.04
2027	1.19	3
2028	1.19	2.97
2029	1.19	2.95
2030	1.2	2.91
2031	1.2	2.89
2032	1.21	2.85
2033	1.21	2.82
2034	1.22	2.8
2035	1.22	2.77
2036	1.23	2.75
2037	1.23	2.72
2038	1.24	2.7
2039	1.24	2.68
2040	1.25	2.65
2041	1.25	2.63
2042	1.26	2.61
2043	1.26	2.59
2044	1.26	2.56
2045	1.27	2.54
2046	1.27	2.52
2047	1.28	2.5
2048	1.28	2.49
2049	1.28	2.47
2050	1.29	2.45

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Thailand	Tonga
1960	44.3%	45.7%
1961	44.6%	45.7%
1962	44.8%	45.8%
1963	45.1%	45.9%
1964	45.3%	45.9%
1965	45.4%	45.9%
1966	45.4%	45.9%
1967	45.3%	46%
1968	45.2%	46.2%
1969	45%	46.3%
1970	44.8%	46.4%
1971	44.4%	46.4%
1972	44%	46.3%
1973	43.5%	46.2%
1974	43%	46.2%
1975	42.4%	46.2%
1976	41.8%	46.1%
1977	41.1%	45.8%
1978	40.3%	45.3%
1979	39.5%	44.8%
1980	38.7%	44.3%
1981	37.8%	43.9%
1982	37%	43.4%
1983	36%	42.9%
1984	35.1%	42.4%
1985	34.1%	42%
1986	33.2%	41.7%
1987	32.4%	41.5%
1988	31.5%	41.2%
1989	30.7%	40.9%
1990	30%	40.8%
1991	29.2%	40.6%
1992	28.5%	40.5%
1993	28%	40.3%
1994	27.4%	40.1%
1995	26.9%	39.9%
1996	26.4%	39.7%
1997	25.9%	39.3%
1998	25.4%	38.9%
1999	24.9%	38.6%
2000	24.4%	38.3%
2001	23.9%	38.2%
2002	23.4%	38.1%
2003	23%	38.1%
2004	22.6%	38.2%
2005	22.2%	38.3%
2006	21.7%	38.3%
2007	21.3%	38.3%
2008	20.9%	38%
2009	20.6%	37.8%
2010	20.1%	37.6%
2011	19.7%	37.4%
2012	19.2%	37.2%
2013	18.8%	37.1%
2014	18.5%	36.9%
2015	18.1%	36.7%
2016	17.7%	36.5%
2017	17.3%	36.4%
2018	16.9%	36.2%
2019	16.6%	36%
2020	16.2%	35.8%
2021	15.8%	35.7%
2022	15.4%	35.6%
2023	15.1%	35.6%
2024	14.7%	35.4%
2025	14.4%	34.9%
2026	14.1%	34.4%
2027	13.7%	33.8%
2028	13.4%	33.3%
2029	13.1%	32.6%
2030	12.9%	32%
2031	12.7%	31.6%
2032	12.5%	31.2%
2033	12.3%	31%
2034	12.2%	30.8%
2035	12.1%	30.7%
2036	12%	30.5%
2037	11.9%	30.4%
2038	11.9%	30.3%
2039	11.8%	30.2%
2040	11.8%	30.1%
2041	11.8%	30.1%
2042	11.8%	30%
2043	11.7%	30%
2044	11.7%	29.9%
2045	11.7%	29.8%
2046	11.7%	29.6%
2047	11.6%	29.5%
2048	11.6%	29.2%
2049	11.6%	29%
2050	11.5%	28.7%

Children aged 0-14 make up 14.7% of the population in Thailand and 35.4% in Tonga in 2024, compared to 30% and 40.8% respectively in 1990.

Demographics of Thailand and Tonga compared.

Natural population change in Thailand vs Tonga by year

For the past 10 years, the annual natural population change (excluding migration) has been +0.18% in Thailand and +1.79% in Tonga. 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
	Thailand	Tonga
1960	774,190	2,230
1961	801,140	2,284
1962	828,741	2,343
1963	860,728	2,394
1964	885,137	2,445
1965	909,000	2,498
1966	929,469	2,550
1967	944,980	2,603
1968	953,806	2,614
1969	948,314	2,632
1970	937,116	2,628
1971	936,215	2,611
1972	940,420	2,605
1973	933,540	2,617
1974	923,151	2,650
1975	911,980	2,709
1976	894,072	2,769
1977	871,232	2,822
1978	847,799	2,862
1979	843,434	2,884
1980	845,575	2,885
1981	839,297	2,882
1982	817,951	2,853
1983	794,239	2,840
1984	779,856	2,814
1985	776,935	2,762
1986	783,430	2,704
1987	774,498	2,646
1988	765,252	2,649
1989	774,563	2,644
1990	760,808	2,641
1991	760,508	2,637
1992	754,999	2,622
1993	737,696	2,594
1994	712,589	2,547
1995	682,703	2,476
1996	661,397	2,393
1997	644,834	2,332
1998	617,318	2,344
1999	578,073	2,352
2000	543,884	2,346
2001	524,230	2,358
2002	504,299	2,396
2003	488,003	2,448
2004	466,542	2,478
2005	456,378	2,495
2006	441,211	2,459
2007	425,362	2,423
2008	401,730	2,397
2009	382,636	2,358
2010	370,466	2,332
2011	365,670	2,298
2012	351,485	2,255
2013	325,059	2,199
2014	294,628	2,135
2015	266,362	2,064
2016	226,255	1,989
2017	194,695	1,912
2018	159,383	1,873
2019	116,867	1,841
2020	84,107	1,816
2021	57,382	1,773
2022	-61,046	1,772
2023	-46,105	1,744

Maternal mortality chart: Thailand vs Tonga

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 34 deaths per 100,000 live births in Thailand, compared to 67 deaths in Tonga.

Table

Year	Maternal mortality per 100K births
	Thailand	Tonga
1985	88	148
1986	78	149
1987	72	147
1988	67	145
1989	64	139
1990	60	138
1991	59	134
1992	58	129
1993	57	127
1994	54	123
1995	52	117
1996	49	113
1997	48	111
1998	47	104
1999	48	99
2000	49	100
2001	47	98
2002	44	98
2003	42	95
2004	44	92
2005	40	92
2006	38	89
2007	38	88
2008	37	88
2009	37	91
2010	37	85
2011	37	84
2012	36	83
2013	35	80
2014	34	80
2015	34	79
2016	34	78
2017	34	77
2018	34	74
2019	34	73
2020	36	74
2021	38	76
2022	112	72
2023	34	67

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 0.92% in Thailand and 0.99% in Tonga. 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
	Thailand	Tonga
1960	14.7%	-
1961	14.2%	-
1962	13.7%	-
1963	13.2%	7.83%
1964	12.8%	7.35%
1965	12.3%	6.89%
1966	11.8%	6.45%
1967	11.4%	6.03%
1968	10.9%	5.63%
1969	10.4%	5.25%
1970	9.95%	4.91%
1971	9.47%	4.61%
1972	9.01%	4.35%
1973	8.56%	4.11%
1974	8.14%	3.9%
1975	7.73%	3.71%
1976	7.35%	3.53%
1977	7%	3.37%
1978	6.67%	3.22%
1979	6.36%	3.09%
1980	6.07%	2.97%
1981	5.79%	2.87%
1982	5.53%	2.78%
1983	5.28%	2.7%
1984	5.03%	2.63%
1985	4.8%	2.57%
1986	4.57%	2.51%
1987	4.34%	2.44%
1988	4.12%	2.37%
1989	3.91%	2.29%
1990	3.69%	2.21%
1991	3.49%	2.14%
1992	3.3%	2.06%
1993	3.12%	2%
1994	2.96%	1.94%
1995	2.81%	1.89%
1996	2.67%	1.85%
1997	2.53%	1.81%
1998	2.41%	1.78%
1999	2.29%	1.74%
2000	2.18%	1.7%
2001	2.08%	1.65%
2002	1.98%	1.61%
2003	1.89%	1.56%
2004	1.81%	1.52%
2005	1.73%	1.48%
2006	1.66%	1.44%
2007	1.59%	1.41%
2008	1.53%	1.37%
2009	1.47%	1.34%
2010	1.42%	1.31%
2011	1.37%	1.29%
2012	1.32%	1.26%
2013	1.27%	1.24%
2014	1.23%	1.22%
2015	1.19%	1.19%
2016	1.15%	1.17%
2017	1.11%	1.15%
2018	1.08%	1.12%
2019	1.04%	1.1%
2020	1.01%	1.08%
2021	0.98%	1.05%
2022	0.95%	1.02%
2023	0.92%	0.99%