Concept:
Population is not just about size, but also about
age structure, which determines economic productivity.
Step 1:Understand age composition.
Population is divided into:
- Young (dependent)
- Working-age (productive)
- Old (dependent)
Step 2:Importance of productive age group.
A higher proportion of people in the working-age group leads to:
- Increased production
- Higher income generation
- Economic growth
Step 3:Evaluate options.}
- (A) $\rightarrow$ Incorrect (numbers alone do not guarantee production)
- (B) $\rightarrow$ Correct (productive population increases wealth)
- (C) $\rightarrow$ Secondary effect
- (D) $\rightarrow$ Incorrect
Final Answer:
\[
{\text{more people in the productive age group means net addition to wealth}}
\]