This video shows the Top 20 countries with most population from 1810 to 2100 based on the Angus Maddison Project. It gives a brief history of the world since the 1800s. Asia (China and India) had the most population since the beginning of human civilization. But if the UN projections are accurate enough, Africa might become the most populous continent within the next century.

Population refers to a collection of humans. Demography is a social science which entails the statistical study of human populations. Population in simpler terms is the number of people in a city or town, region, country or world; population is usually determined by a process called census.

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