Population Pyramid: A graphical representation that shows the distribution of various age groups in a population, typically displaying the number of individuals in each age cohort.
Cohort Analysis: A method used to analyze the behavior and characteristics of specific age groups over time, helping to identify trends related to their experiences and decisions.
Dependency Ratio: The ratio of dependents (individuals aged 0-14 and those over 65) to the working-age population (ages 15-64), indicating the economic pressure on productive members of society.