Age composition in 2026:
| Bulgaria | Serbia | |
|---|---|---|
| Young Population | 14.34%955,911 | 14.20%943,315 |
| Working Age Population | 63.20%4,214,045 | 62.42%4,145,811 |
| Elderly Population | 22.46%1,497,707 | 23.38%1,552,837 |
In 2026, the median age is 46.0 years in Bulgaria and 45.7 years in Serbia.Bulgaria already reached Serbiaโs current median age in 2025, about 1 years ahead in population aging.
The total population of Bulgaria peaks in 1988 at 8,985,721.The total population of Serbia peaks in 1987 at 7,885,364.
By 2050, the dependency ratio of Bulgaria will be 76.2%, and 29.42% of the population will be elderly.By 2050, the dependency ratio of Serbia will be 73.0%, and 29.08% of the population will be elderly.
| Bulgaria | Serbia | ||
|---|---|---|---|
| Demographic dividend (dependency ratio below 50%) | 1950 1962โ1975 1983โ1987 1993โ2013 |
1965โ2015 | |
| Aging society (65+ reaches 7%) | 1955 | 1964 9 years later | |
| Aged society (65+ reaches 14%) | 1992 | 1996 4 years later | |
| Super-aged society (65+ reaches 20%) | 2015 | 2018 3 years later |