The correct option is C A measure of the number of people aged between 0 to 14 years and 60 years and above to the total population.
Dependency ratio is a measure of the number of people aged between 0 to 14 years and 60 years and above to the total population. The age groups 0-14 years and 60 years and above form a part of the dependent group. This group depends on the working population of the country.