An Age Dependency Ratio Refers to

An age dependency ratio refers to

A) the number of persons aged 65 years and over, to the number of persons aged 15 (or 18) to 64 years
B) the number of persons aged 0 to 15 (or 18) years, to the population aged 15 (or 18) to 64 years
C) the number of persons aged 65 years and over, and the number of persons aged 0 to 15 (or 18) years, to the number of persons aged 15 (or 18) to 64 years
D) the number of persons aged 65 years and over, to the number of persons aged less than 15 (or 18) years
E) the number of persons aged 65 to 84 years, to the number of persons aged 45 to 54 years