SSC MTS EXAM

Detailed explanation-1: -Expansive population pyramids characterized by an obvious triangular shape, with a broad base that tapers toward a narrow top. These population pyramids depict and describe populations which are young, but growing. This is expressed by the much larger percent of the population being comprised of younger age groups.

Detailed explanation-2: -Countries experiencing rapid growth will have a triangle shaped population pyramid like the one on the right. A country experiencing slow growth usually indicates that the country will be a developed nation, like the United States.

Detailed explanation-3: -If the pyramid has a broad base, this indicates that a relatively high proportion of the population lies in the youngest age band, such as ages 0–14, which suggests that the fertility rate of the country is high and above replacement fertility level.