Term: Population Aging

Glossary Definition

Last Updated: 2011-02-22


A demographic term used to define the age structure of a given population. In any given year, population age can be calculated as the percent of a population age 65 years and older. Depending on the purpose, changes in population age can be calculated using this percentage value, or as growth (i.e., percent increase) in the actual number of older adults.

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