Age composition in 2026:
| Thailand | Cambodia | |
|---|---|---|
| Young Population | 14.08%10,074,047 | 29.21%5,273,349 |
| Working Age Population | 69.24%49,547,699 | 64.18%11,586,035 |
| Elderly Population | 16.68%11,937,873 | 6.60%1,191,835 |
In 2026, the median age is 42.0 years in Thailand and 27.4 years in Cambodia.Thailand already reached Cambodiaโs current median age in 1996, about 30 years ahead in population aging.
The total population of Thailand peaks in 2022 at 71,735,321.The total population of Cambodia peaks in 2078 at 23,387,216.
By 2050, the dependency ratio of Thailand will be 69.7%, and 29.57% of the population will be elderly.By 2050, the dependency ratio of Cambodia will be 52.2%, and 11.62% of the population will be elderly.
| Thailand | Cambodia | ||
|---|---|---|---|
| Demographic dividend (dependency ratio below 50%) | 1991โ2032 | 2041โ2044 | |
| Aging society (65+ reaches 7%) | 2004 | 2028 24 years later | |
| Aged society (65+ reaches 14%) | 2022 | 2057 35 years later | |
| Super-aged society (65+ reaches 20%) | 2031 | 2085 54 years later |