Demographic Dividend: Demographic dividend refers to economic growth potential resulting from changes in age structure, particularly when there is an increase in working-age population relative to dependents.
Age Dependency Ratio: Age dependency ratio measures the number of dependents (typically children and elderly) compared to those who are working-age (usually considered between 15 and 64).
Population Pyramid: A graphical representation showing age distribution in various age groups of males and females within a given population at a specific time.