Population

Demography: The scientific study of the characteristics of population

Population: Today most of the world lives in cities, North Americans mostly lives in suburbs, and Most people in Africa live in villages.

World population: It has reached 8 billion people!! The USA ranks 3rd in world population

China: China has a one child Policy that was implemented by its communist government in 1979, It has since been pushed back to allow parents to have 2 kids.