Answer: Country 3

## Explanation **Country 3** is most likely to have the highest potential sustainable economic growth because: **Demographic advantages:** - **Young population**: 25.2% under age 15 (highest) - indicates future labor force growth - **Low elderly dependency**: Only 7.8% over age 65 (lowest) - lower burden on working population - **Favorable dependency ratio**: Young population will enter workforce, while elderly burden is minimal **Economic implications:** - **Labor force growth**: Large youth population means future workforce expansion - **Lower social costs**: Minimal elderly population reduces healthcare and pension burdens - **Productivity potential**: Younger populations tend to be more productive and adaptable **Why not others:** - **Country 1 & 2**: Have much higher elderly populations (22.2% and 26.7%), creating dependency burdens - **Country 1 & 2**: Lower youth populations mean less future workforce growth - **Migration**: While Countries 1 & 2 have high migration, this is less sustainable than natural demographic advantages Demographic structure is a key determinant of long-term sustainable growth potential.

Author: LeetQuiz Editorial Team