Age composition in 2026:
| Indonesia | Thailand | |
|---|---|---|
| Young Population | 23.87%68,708,988 | 14.08%10,074,047 |
| Working Age Population | 68.32%196,695,714 | 69.24%49,547,699 |
| Elderly Population | 7.81%22,482,080 | 16.68%11,937,873 |
In 2026, the median age is 31.7 years in Indonesia and 42.0 years in Thailand.Thailand already reached Indonesiaโs current median age in 2004, about 22 years ahead in population aging.
The total population of Indonesia peaks in 2058 at 322,603,668.The total population of Thailand peaks in 2022 at 71,735,321.
By 2050, the dependency ratio of Indonesia will be 52.3%, and 15.14% of the population will be elderly.By 2050, the dependency ratio of Thailand will be 69.7%, and 29.57% of the population will be elderly.
| Indonesia | Thailand | ||
|---|---|---|---|
| Demographic dividend (dependency ratio below 50%) | 2014โ2043 | 1991โ2032 | |
| Aging society (65+ reaches 7%) | 2023 19 years later | 2004 | |
| Aged society (65+ reaches 14%) | 2047 25 years later | 2022 | |
| Super-aged society (65+ reaches 20%) | 2073 42 years later | 2031 |