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Population
Where is World PoP. Distributed???
Global population is concentrated in a few places. Humans avoid area that are too wet, too dry, too cold, or too mountainous. The capacity of Earth to support a much larger population depends heavily on peoples ability to use sparsely settled lands more effectively.
Population Concentration
Two-thirds of the world population is clustered in East Asia, South Asia, Southeast Asia, and Western Europe.The four regions have some similarities that may explain why so many people live there. Most of these areas have easy access to an ocean or water supply, fertile soil, and a temperate climate.
Sparsely Population Regions
Humans avoid clustering in certain physical environments. Few people live in regions that are too wet, too dry, too cold, or too mountainous. The portion of Earth's surface occupied by permanent human settlement is called the ecumene. Approximately three-fourths of the world's population lives in only 5% of Earth's surface.
Calculating Population Density
Arithmetic Density
Physiologic Density
the total number of people divided by the total land area
the total number of people supported by a unit area of arable land
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