Dependency ratio
Dependency ratio
The Dependency ratio (pronounced: /dɪˈpɛndənsi ˈreɪʃioʊ/) is a measure in demography, economics, and social science that shows the ratio of dependents (aged 0-14 and over the age of 65) to the working-age population (ages 15-64).
Etymology
The term "Dependency ratio" is derived from the word "dependent", which comes from the Latin dependere, meaning "to hang from" or "to hang down", and the word "ratio", which comes from the Latin ratio, meaning "reason" or "calculation". In this context, it refers to the proportion of the population that is dependent on the working-age population.
Related terms
- Age dependency ratio: The ratio of dependents—people younger than 15 or older than 64—to the working-age population—those ages 15-64.
- Old-age dependency ratio: The ratio of the older dependents—people older than 64—to the working-age population—those ages 15-64.
- Child dependency ratio: The ratio of the young population—people younger than 15—to the working-age population—those ages 15-64.
- Total dependency ratio: The sum of the youth and old-age ratios.
- Economic dependency ratio: The ratio of the economically inactive population to the economically active population.
See also
External links
- Medical encyclopedia article on Dependency ratio
- Wikipedia's article - Dependency ratio
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