It suggests a growing population.
All three ratios are commonly multiplied by 100.
Youth Dependency Ratio Definition: population ages 0-15 divided by the population ages 16-64.
Some portion of the population counted as "working age" may actually be unemployed or not in the labor force whereas some portion of the "dependent" population may be employed and not necessarily economically dependent.
Stages: Dependency Ratio There are three types of age dependency ratio: Youth, Elderly, and Total.