Thailand vs Tonga Demographics: Median age, Gender, Race, Religion

Median age history and projection chart in
Thailand vs Tonga

Table

Year	Median age
	Thailand	Tonga
1960	18	17.1
1961	17.9	17.1
1962	17.7	17.1
1963	17.6	17
1964	17.5	17
1965	17.4	17
1966	17.3	17
1967	17.3	17
1968	17.3	16.9
1969	17.4	16.8
1970	17.5	16.8
1971	17.6	16.7
1972	17.8	16.7
1973	18	16.8
1974	18.2	16.8
1975	18.4	16.7
1976	18.7	16.7
1977	18.9	16.8
1978	19.2	17.1
1979	19.5	17.3
1980	19.9	17.4
1981	20.2	17.6
1982	20.6	17.8
1983	21	17.9
1984	21.5	18
1985	21.9	18.1
1986	22.4	18.2
1987	22.8	18.3
1988	23.3	18.6
1989	23.7	18.9
1990	24.3	19.1
1991	24.8	19.3
1992	25.4	19.5
1993	26	19.6
1994	26.6	19.6
1995	27.2	19.6
1996	27.7	19.6
1997	28.3	19.7
1998	28.9	19.9
1999	29.5	20.1
2000	30	20.3
2001	30.5	20.5
2002	30.9	20.7
2003	31.3	20.8
2004	31.7	20.8
2005	32.2	20.8
2006	32.6	20.8
2007	33.1	20.9
2008	33.6	21
2009	34	21.1
2010	34.5	21.2
2011	35	21.2
2012	35.4	21.4
2013	35.9	21.6
2014	36.3	21.7
2015	36.8	21.8
2016	37.3	21.9
2017	37.7	21.9
2018	38.2	22
2019	38.7	22
2020	39.2	22.1
2021	39.7	22.1
2022	40.2	22
2023	40.7	21.9
2024	41.1	21.9
2025	41.5	21.8
2026	42	22
2027	42.4	22.1
2028	42.8	22.3
2029	43.2	22.5
2030	43.6	22.6
2031	43.9	22.8
2032	44.3	23.1
2033	44.6	23.3
2034	45	23.6
2035	45.3	23.9
2036	45.7	24.1
2037	46	24.4
2038	46.4	24.7
2039	46.7	25
2040	47	25.3
2041	47.3	25.6
2042	47.6	25.9
2043	47.9	26.1
2044	48.2	26.3
2045	48.5	26.5
2046	48.7	26.7
2047	49	26.9
2048	49.2	27.1
2049	49.4	27.3
2050	49.6	27.5

In 1960, the median age in Thailand was 18 years compared to 17.1 years in Tonga. As of 2024, the median age had increased to 41.1 years in Thailand and to 21.9 years in Tonga.

According to United Nations projections, the median age in Thailand is expected to increased to around 49.6 years by 2050 compared to 27.5 years in Tonga. The aging demographics forecast is based on previous years' birth rates and increasing life expectancy.

Demographic pyramid: age and gender distribution

Table

Age range	Share of population
	Thailand		Tonga
	Male	Female	Male	Female
0-4	2.18%	2.05%	5.84%	5.4%
5-9	2.52%	2.38%	6.05%	5.67%
10-14	2.89%	2.73%	6.42%	6.02%
15-19	3.07%	2.92%	5.54%	5.55%
20-24	3.32%	3.16%	4.32%	4.79%
25-29	3.6%	3.47%	2.4%	3.61%
30-34	3.57%	3.54%	2.05%	3.09%
35-39	3.49%	3.5%	2.01%	3.07%
40-44	3.66%	3.75%	2.11%	2.93%
45-49	3.57%	3.79%	2.07%	2.53%
50-54	3.6%	3.95%	2.13%	2.46%
55-59	3.46%	3.88%	2.05%	2.16%
60-64	3.08%	3.51%	1.43%	1.58%
65-69	2.48%	2.93%	1.07%	1.3%
70-74	1.79%	2.23%	0.77%	1.02%
75-79	1.14%	1.53%	0.53%	0.74%
80+	1.26%	2%	0.46%	0.82%

The chart above is a variation of a population pyramid and represents a comparison of age and gender structure. Thailand has low demographic potential with 41.4% of people in the 0-34 age group compared to 66.8% and average potential in Tonga.

Age dependency chart

Table

Year	Age dependency ratio
	Thailand			Tonga
	Total	Young	Old	Total	Young	Old
1960	89%	83.6%	5.32%	95.4%	89.3%	6.08%
1961	90%	84.7%	5.34%	95.5%	89.4%	6.04%
1962	91%	85.6%	5.36%	95.6%	89.6%	6.03%
1963	91.9%	86.5%	5.4%	95.9%	89.9%	6.04%
1964	92.7%	87.2%	5.43%	96.1%	90.1%	6.06%
1965	93%	87.5%	5.44%	96.3%	90.2%	6.08%
1966	93%	87.6%	5.46%	96.2%	90.1%	6.11%
1967	92.9%	87.4%	5.47%	96.6%	90.5%	6.15%
1968	92.5%	87%	5.48%	97.4%	91.2%	6.18%
1969	91.9%	86.4%	5.5%	97.9%	91.7%	6.22%
1970	91%	85.5%	5.53%	98.2%	91.9%	6.26%
1971	89.9%	84.3%	5.56%	98.3%	92%	6.29%
1972	88.6%	83%	5.59%	98.1%	91.8%	6.32%
1973	87%	81.4%	5.62%	97.7%	91.4%	6.33%
1974	85.4%	79.7%	5.64%	97.5%	91.2%	6.34%
1975	83.6%	77.9%	5.66%	97.6%	91.2%	6.33%
1976	81.6%	76%	5.67%	97.3%	90.9%	6.33%
1977	79.5%	73.8%	5.68%	96.1%	89.7%	6.36%
1978	77.2%	71.5%	5.68%	94.4%	88%	6.43%
1979	74.7%	69.1%	5.67%	92.9%	86.4%	6.51%
1980	72.4%	66.7%	5.66%	91.5%	84.9%	6.6%
1981	70%	64.3%	5.66%	90.2%	83.5%	6.72%
1982	67.6%	61.9%	5.65%	88.8%	82%	6.85%
1983	65.1%	59.5%	5.65%	87.4%	80.4%	7%
1984	62.7%	57.1%	5.65%	86.2%	79%	7.19%
1985	60.4%	54.8%	5.66%	85.3%	77.9%	7.4%
1986	58.3%	52.6%	5.69%	84.7%	77.1%	7.6%
1987	56.4%	50.6%	5.73%	84.1%	76.4%	7.76%
1988	54.5%	48.7%	5.78%	83.3%	75.5%	7.86%
1989	52.8%	47%	5.86%	82.8%	74.8%	7.96%
1990	51.3%	45.3%	5.97%	82.5%	74.4%	8.1%
1991	49.9%	43.8%	6.12%	82.3%	74%	8.27%
1992	48.8%	42.5%	6.3%	82.2%	73.7%	8.46%
1993	47.9%	41.3%	6.51%	82%	73.4%	8.68%
1994	47.1%	40.4%	6.76%	81.8%	72.9%	8.88%
1995	46.5%	39.4%	7.02%	81.5%	72.5%	9.08%
1996	45.8%	38.5%	7.3%	81.2%	71.9%	9.29%
1997	45.3%	37.7%	7.62%	80.4%	71%	9.44%
1998	44.8%	36.8%	7.99%	79.3%	69.8%	9.5%
1999	44.4%	36%	8.41%	78.4%	68.8%	9.55%
2000	43.9%	35.1%	8.8%	77.7%	68.1%	9.6%
2001	43.4%	34.2%	9.16%	77.3%	67.7%	9.66%
2002	43%	33.4%	9.52%	77.3%	67.5%	9.74%
2003	42.6%	32.7%	9.88%	77.5%	67.7%	9.85%
2004	42.4%	32.1%	10.3%	78%	68%	9.99%
2005	42.1%	31.5%	10.6%	78.4%	68.3%	10.1%
2006	41.8%	30.8%	10.9%	78.7%	68.5%	10.2%
2007	41.4%	30.2%	11.2%	78.5%	68.3%	10.2%
2008	41%	29.5%	11.5%	77.9%	67.7%	10.2%
2009	40.6%	28.9%	11.7%	77.2%	67%	10.2%
2010	40.3%	28.3%	12%	76.5%	66.3%	10.2%
2011	39.9%	27.5%	12.4%	76.2%	65.9%	10.3%
2012	39.6%	26.8%	12.8%	76%	65.5%	10.4%
2013	39.5%	26.2%	13.3%	75.7%	65.2%	10.5%
2014	39.6%	25.7%	13.8%	75.3%	64.8%	10.5%
2015	39.7%	25.3%	14.4%	74.6%	64.1%	10.5%
2016	39.9%	24.8%	15.1%	74%	63.5%	10.5%
2017	40.1%	24.3%	15.8%	73.7%	63.2%	10.5%
2018	40.3%	23.8%	16.5%	73.5%	62.8%	10.7%
2019	40.6%	23.3%	17.3%	73.1%	62.3%	10.8%
2020	41%	22.8%	18.2%	72.7%	61.8%	10.9%
2021	41.4%	22.3%	19.1%	72.6%	61.5%	11.1%
2022	41.9%	21.9%	20%	72.8%	61.6%	11.2%
2023	42.5%	21.5%	21%	73.1%	61.7%	11.4%
2024	43.1%	21.1%	22%	72.8%	61.2%	11.6%

Age dependency is the ratio of people not in the labor force (children under 15 and adults 64+) to people aged 15 to 64.

Age dependency in Thailand increased from 42.4% to 43.1% between 2004 and 2024.

In Tonga, the ratio of dependent people decreased from 78% to 72.8% between 2004 and 2024 with a decreased share of young people and an increased proportion of people aged 65+.

Working age demographic

Table

Year	Working age population share
	Thailand	Tonga
1960	52.9%	51.2%
1961	52.6%	51.2%
1962	52.4%	51.1%
1963	52.1%	51%
1964	51.9%	51%
1965	51.8%	51%
1966	51.8%	51%
1967	51.8%	50.9%
1968	51.9%	50.7%
1969	52.1%	50.5%
1970	52.4%	50.5%
1971	52.7%	50.4%
1972	53%	50.5%
1973	53.5%	50.6%
1974	53.9%	50.6%
1975	54.5%	50.6%
1976	55.1%	50.7%
1977	55.7%	51%
1978	56.4%	51.4%
1979	57.2%	51.8%
1980	58%	52.2%
1981	58.8%	52.6%
1982	59.7%	53%
1983	60.6%	53.4%
1984	61.5%	53.7%
1985	62.3%	54%
1986	63.2%	54.1%
1987	64%	54.3%
1988	64.7%	54.5%
1989	65.4%	54.7%
1990	66.1%	54.8%
1991	66.7%	54.9%
1992	67.2%	54.9%
1993	67.6%	54.9%
1994	68%	55%
1995	68.3%	55.1%
1996	68.6%	55.2%
1997	68.8%	55.4%
1998	69.1%	55.8%
1999	69.3%	56.1%
2000	69.5%	56.3%
2001	69.7%	56.4%
2002	70%	56.4%
2003	70.1%	56.3%
2004	70.2%	56.2%
2005	70.4%	56.1%
2006	70.5%	56%
2007	70.7%	56%
2008	70.9%	56.2%
2009	71.1%	56.4%
2010	71.3%	56.6%
2011	71.5%	56.8%
2012	71.6%	56.8%
2013	71.7%	56.9%
2014	71.7%	57.1%
2015	71.6%	57.3%
2016	71.5%	57.5%
2017	71.4%	57.6%
2018	71.3%	57.6%
2019	71.1%	57.8%
2020	70.9%	57.9%
2021	70.7%	57.9%
2022	70.5%	57.9%
2023	70.2%	57.8%
2024	69.9%	57.9%
2025	69.6%	58.2%
2026	69.2%	58.6%
2027	68.9%	59.1%
2028	68.5%	59.5%
2029	68.1%	60%
2030	67.7%	60.4%
2031	67.3%	60.7%
2032	66.8%	60.8%
2033	66.2%	60.8%
2034	65.7%	60.6%
2035	65.2%	60.5%
2036	64.6%	60.4%
2037	64.1%	60.4%
2038	63.6%	60.3%
2039	63.1%	60.3%
2040	62.6%	60.2%
2041	62.2%	60.1%
2042	61.8%	60.1%
2043	61.3%	60.1%
2044	60.9%	60%
2045	60.5%	60%
2046	60.1%	60.1%
2047	59.8%	60.2%
2048	59.4%	60.3%
2049	59.2%	60.4%
2050	58.9%	60.7%

Between 2004 and 2024, the share of working-age demographics aged 15-64 changed from 70.2% to 69.9% in Thailand and from 56.2% to 57.9% in Tonga.

Share of young demographic (0-14 years old)

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%

The share of young people aged below 15 is 14.7% in Thailand and 35.4% in Tonga. Birth rates in Thailand compared to Tonga .

Share of old population (65+)

Table

Year	Share of population 65+ years old
	Thailand	Tonga
1960	2.82%	3.11%
1961	2.81%	3.09%
1962	2.81%	3.08%
1963	2.81%	3.08%
1964	2.82%	3.09%
1965	2.82%	3.1%
1966	2.83%	3.11%
1967	2.84%	3.13%
1968	2.85%	3.13%
1969	2.87%	3.14%
1970	2.89%	3.16%
1971	2.93%	3.17%
1972	2.96%	3.19%
1973	3%	3.2%
1974	3.04%	3.21%
1975	3.08%	3.2%
1976	3.12%	3.21%
1977	3.16%	3.24%
1978	3.2%	3.31%
1979	3.25%	3.37%
1980	3.29%	3.45%
1981	3.33%	3.53%
1982	3.37%	3.63%
1983	3.42%	3.74%
1984	3.47%	3.86%
1985	3.53%	3.99%
1986	3.59%	4.12%
1987	3.66%	4.21%
1988	3.74%	4.29%
1989	3.84%	4.36%
1990	3.95%	4.44%
1991	4.08%	4.54%
1992	4.23%	4.65%
1993	4.41%	4.77%
1994	4.59%	4.89%
1995	4.79%	5%
1996	5.01%	5.13%
1997	5.24%	5.23%
1998	5.52%	5.3%
1999	5.82%	5.35%
2000	6.12%	5.4%
2001	6.39%	5.45%
2002	6.66%	5.5%
2003	6.93%	5.55%
2004	7.2%	5.61%
2005	7.48%	5.67%
2006	7.72%	5.7%
2007	7.93%	5.73%
2008	8.13%	5.74%
2009	8.34%	5.74%
2010	8.58%	5.77%
2011	8.85%	5.85%
2012	9.15%	5.94%
2013	9.5%	5.99%
2014	9.89%	6%
2015	10.3%	6.01%
2016	10.8%	6.03%
2017	11.3%	6.07%
2018	11.8%	6.15%
2019	12.3%	6.24%
2020	12.9%	6.34%
2021	13.5%	6.42%
2022	14.1%	6.5%
2023	14.7%	6.6%
2024	15.4%	6.72%
2025	16%	6.86%
2026	16.7%	6.99%
2027	17.4%	7.1%
2028	18%	7.21%
2029	18.7%	7.33%
2030	19.4%	7.52%
2031	20.1%	7.77%
2032	20.8%	8.01%
2033	21.4%	8.26%
2034	22.1%	8.55%
2035	22.8%	8.81%
2036	23.4%	9.06%
2037	24%	9.26%
2038	24.6%	9.41%
2039	25.1%	9.55%
2040	25.6%	9.68%
2041	26%	9.8%
2042	26.5%	9.89%
2043	26.9%	9.98%
2044	27.4%	10.1%
2045	27.8%	10.2%
2046	28.2%	10.3%
2047	28.6%	10.4%
2048	29%	10.5%
2049	29.3%	10.6%
2050	29.6%	10.7%

The share of older people aged 65 and over is 15.4% in Thailand and 6.72% in Tonga. Life expectancy in Thailand compared to Tonga .