Demographic Perspectives on Aging

Demographic Perspectives on Aging - Demographic...

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Demographic Perspectives on Aging Demography of an “aging” society How is aging of the population measured? Fertility – defined as the number of children the average woman bears in her lifetime) Mortality – death rates per 100,000 in a given age group Fertility + Mortality produce an age structure Age structures can also be affected by very large birth cohorts The aged dependency ratio Implications of the dependency ratio Too few working age people to support dependents Strains on social security systems “sandwich” phenomenon Money taken away from children’s services Increasing health costs per capita Political issues such as changes in tax structure; immigration policies Social issues: decline in energy, creativity; changes in leisure industries Life expectancy The median number of years a member of a birth cohort or birth year is expected to live Very sensitive to infant mortality
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