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Unformatted text preview: The Formula In this chapter you will learn how financial, educational, spiritual, cultural, and emotional social forces shape and form the demographic trends within a society. You'll also get a glimpse of how demographic forces shape your society. The core of demographic studies has three component concerns: births, deaths, and migration. All of demography can be reduced to this very simple formula: (Births-Deaths) +/- ((In-Migration)-(Out Migration))=Population Change. This part of the formula, (Births-Deaths) is called Natural increase, or all births minus all the deaths in a given population over a given time period. The other part of the formula, ((In- Migration)-(Out Migration)) is called Net Migration which is all the in-migration minus all the out-migration in a given population over a given time period. Population Change is then added to a previous year's population to yield new population estimate. Most official population counts really are estimates. There are mistakes in counting that render results that are close, but never really are estimates....
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This note was uploaded on 12/04/2011 for the course ANTHRO 2000 taught by Professor Monicaoyola during the Fall '10 term at Broward College.
- Fall '10