What age groups are categorized as dependent?

‪When we say dependent, it is a person who relies on another for financial support. Usually a dependent relies on another family member. In terms of economics, geography, demography and sociology, dependency ratio is an age-population ratio of those. Dependents are those individuals who are not in the labor force aging  0 to 14 and 65+. The labor force are those who are the productive ones whose age are in the range of 15 to 64. These are also those who qualify as taxpayer’s dependents. Those who are considered dependents are normally, a child, non-working spouse, parent, brother, brother or sister. ‬