[[Image:Hispanic Demographic.jpg|150px|right|thumb|A demographic study of the United States]]
[[Image:Hispanic Demographic.jpg|150px|right|thumb|A demographic study of the United States]]
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'''Demographics''' is a study of the characteristics of [[population]]s, usually made by governments, although businesses and opinion polls have been known to use these forms of research. The studies are made through [[census]] counts and [[poll]] studies and have had wonderful success in informing people of specific characteristics of populations. These characteristics include [[religious]] creed, [[gender]] ratios, [[ethnicity]], and social/[[economic]] status. They can be used for analyzing population [[migration]]s, [[risk]] assessment, medical studies, and the changing social map.
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'''Demographics''' is the advertising agency term for studies of customers. They use census data and polls to llok at viewing habits (of television, for exampe), and buying habits.
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The formal study of population is called [[Demography]] and it is an important branch of social science, with many contributors from economics, sociology, history, statistics and epidemiology.