Explain three broad categories of population.
1. Children (Generally below 15 years): They are economically unproductive and need to be provided with food, clothing, education and medical care.
2. Working age (15-59years): They are economically productive and biologically reproductive. They comprise the working population.
3. Aged (above 59 years): They can be economically productive though they may have retired. They may be working voluntarily but they are not available for employment through recruitments.
