Question

In which three age group the entire population of the country can be divided? Which age group you find is most important and why?​

Answer 1

Answer:

It is common in demography to split the population into three broad age groups:

children and young adolescents (under 15 years old)

the working-age population (15-64 years) and.

the elderly population (65 years and older)

Answer 2

Answer:

In the 2010 Census, the number of people under age 18 was 74.2 million (24.0 percent of the total population). The younger working-age population, ages 18 to 44, represented 112.8 million persons (36.5 percent). The older working-age population, ages 45 to 64, made up 81.5 million persons (26.4 percent).