According to data provided by Our World in Data, the population growth by region from 1900 to 2050 (forecasted) is mapped below.

The world population has increased from 4 to 8 billion people in less than 50 years.

According to the United Nations Population Division, Asia, particularly countries like South Korea, Japan, and Hong Kong, leads the world in having the oldest populations.

Marcus Lu of Visual Capitalists has created this visualization, which shows the population of the ma...