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A measure of the portion of a population which is composed of dependents (people...
ratio of (potentially) economically active population to the retired population and children under 16 years of age. Aged dependency ratio is the ratio of the economically active to the retired population.
the number of people below age 15 and above 65 years of age expressed as a percentage of those aged 15 to 65 (working age)
a rough estimate of the number of dependents per worker. The ratio is computed by dividing the number of people who are most likely to be dependent (those under age 19 plus those over 64) by the number of people in the working-aged population (ages 19 through 64).
The ratio of the dependent age population (ages 0-14 and 65+) to working age population (ages 15-64). The dependency ratio provides an indication of the burden (or lack thereof) that certain age structures place on a population. The higher the ratio is, the more people each worker supports. In addition, because not every person of working age actually works, high dependency ratios imply even heavier burdens on those who do work than the ratio suggests.
The fraction of a population that is "dependent" on the rest of the population. In the human population, this has generally been considered to be the fraction under 15 years plus the fraction over 65 years.
Population aged less than 15 and over 65 (dependent population), divided by the population aged 15 to 64 (productive population)
The dependency ratio is calculated as the number of young and elderly residents per 100 residents aged 20 to 64.
The ratio of those who do not work for money, i.e., normally children, old people and some married women, to those who work.