The population of a nation in working age group is generally grouped between _________.

15 - 59 years

The correct answer is Option (3) → 15 - 59 years

The population of a nation is generally grouped into three broad categories:

• Children (generally below $15$ years): They are economically unproductive and need to be provided with food, clothing, education and medical care.
• Working Age ($15-59$ years): They are economically productive. They comprise the working population.
• 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 recruitment