soc101_demog_0421-042710

soc101_demog_0421-042710 - Introduction to Sociology...

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Introduction to Sociology Population and Demography Wednesday April 21 & Monday April 27, 2010
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What is Demography The study of the population’s size, distribution, and composition. Size: number of people in a given geographic unit Distribution: where exactly are the people located (e.g., how dense or sparse) Composition: characteristics of persons who make up a population (e.g., age, gender, race)
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Size of U.S. Population, 1790-2000
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Distribution: Population Density of U.S. (2000) Key: Persons per square mile Light to dark (yellow to blue): where 1-4 (yellow), 5-9 (lt. green), 10-24 (teal), 25- 49 (dark teal), 50-99 (blue-green), 100-249 (blue), 250-66,995 (black).
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Composition of United States: Race/Ethnicity
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Composition of U.S. Population (2010): Age & Sex
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Population Processes The size, distribution, and composition of a population are affected by: Fertility: births Mortality: deaths Migration: movement in or out of an area In versus out migration
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Fertility Level of reproduction in a society Measures Crude birth rate: number of births/1,000 people Age-specific fertility rate: number of births/1,000 women of a particular age group. Total fertility rate: average number of babies a woman gives birth to in her lifetime. Highly shaped by public policies e.g., China’s one child policy
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TFRs: 2000
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Mortality Level of death in a society Measurement Crude death rate: number of deaths per 1,000 people. Age-specific death rates: number of deaths per 1,000
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This note was uploaded on 10/16/2011 for the course SOCIOLOGY 101 taught by Professor Clarke during the Spring '08 term at Rutgers.

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soc101_demog_0421-042710 - Introduction to Sociology...

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