Age Structure Demographics

Section 2

Age Structure Demographics

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The First Law of Value
Table of Contents
  • Dependency ratios (youth dependency: ages 0–14; old-age dependency: 65+)
  • Working-age population (typically 15–64, or 15–74 in some models)
  • Median age of the population
  • Population pyramids (age-sex distributions)
  • Cohort sizes (e.g., Gen Z, millennials, baby boomers)
  • Old-age support ratios (number of working-age people per elderly person)

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