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 changes within those groups. First, population distribution and demographics are described. Then, the effects of birth and death rates on the populations of developed and under-developed countries are detailed. Finally, demographic transition models and their importance to the study of population geography are illustrated. Provides clearly defined terminology and relevant examples.

Encoded with permission for digital streaming by Infobase on Aug. 03, 2010. Learn360 is distributed by Infobase for Films for the Humanities & Sciences, Cambridge Educational, Meridian Education, and Shopware.

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).