Question

what is population pyramid

Answer 1

A population pyramid, also called an "age-sex pyramid", is a graphical illustration that shows the distribution of various age groups in a population, which forms the shape of a pyramid when the population is growing

Answer 2

A population pyramid, also called an "age-sex pyramid", is a graphical illustration that shows the distribution of various age groups in a population (typically that of a country or region of the world), which forms the shape of a pyramid when the population is growing.