POPULATION TRENDS

A woman who has completed child bearing infant

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Unformatted text preview: for 4th and 12 for 5th, etc. it’s taking less and less time to add another billion to our global population it intensified after the industrial revolution in 1750 BASIC CONCEPTS: Some rudimentary characteristics of populations Population growth = (births + immigration) – (deaths + emigratin) In some cases immigration and emigration are ignored Birth rate = number of births per 1000 people in the population Death rate = number of deaths per 1000 people in the population Population growth rate (%) = (birth rate – death rate)x10 Fertility rate = average number of children born to a woman who has completed chi...
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This document was uploaded on 03/28/2014 for the course INAF 252 at Georgetown.

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