Population is a term that describes a group of people that lives in a specific area.

These areas can take the form of continents or nations. The total population of planet Earth in the year 2020 is approximately 7,8 billion.

Because billions of people live on the planet, it is only natural that there are significant differences in the cultures, livelihoods, and lifestyles of people that inhabit different parts of the world.

In this section, you will learn about Earth's cultures, migration movements, urbanization, and population growth. 

Go to chapter 2.

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