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Between the early 19th century and the early 21st century, the global population grew from one billion to more than six billion people. This program describes population geography and explains how experts use it to define groups and forecast chang...
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Contents
Earth's Population (2:36) -- Demographics (1:00) -- Population Changes (4:58) -- Birth Rates (5:50) -- Death Rates (5:07) -- Factors Affecting Population (4:31)