Age composition in 2026:
| Brunei Darussalam | Indonesia | |
|---|---|---|
| Young Population | 20.39%95,804 | 23.87%68,708,988 |
| Working Age Population | 71.99%338,172 | 68.32%196,695,714 |
| Elderly Population | 7.62%35,804 | 7.81%22,482,080 |
In 2026, the median age is 34.2 years in Brunei Darussalam and 31.7 years in Indonesia.Brunei Darussalam already reached Indonesiaโs current median age in 2021, about 5 years ahead in population aging.
The total population of Brunei Darussalam peaks in 2055 at 521,341.The total population of Indonesia peaks in 2058 at 322,603,668.
By 2050, the dependency ratio of Brunei Darussalam will be 53.6%, and 19.32% of the population will be elderly.By 2050, the dependency ratio of Indonesia will be 52.3%, and 15.14% of the population will be elderly.
| Brunei Darussalam | Indonesia | ||
|---|---|---|---|
| Demographic dividend (dependency ratio below 50%) | 2000โ2046 | 2014โ2043 | |
| Aging society (65+ reaches 7%) | 2025 2 years later | 2023 | |
| Aged society (65+ reaches 14%) | 2041 | 2047 6 years later | |
| Super-aged society (65+ reaches 20%) | 2052 | 2073 21 years later |