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Population density, 5,000 BCE to 2100

Number of inhabitants per square kilometer.

5,000 BCE21004,000 BCE3,000 BCE2,000 BCE1,000 BCE01000United StatesArgentinaEgyptMexicoItaly

Source: History Database of the Global Environment (HYDE) and UN Population Division projections (2008 revision)

Note: Uses population estimates from HYDE (10,000 BCE - 2,000 CE) and UN projections thereafter (2008 revision)