Migration - refers to the biological and social...

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Migration Migration refers to the movement of people from one geographic area to another • Migration can be voluntary (usually due to economic “push” and “pull” factors) or involuntary (forced migration due to war or other social conflict) Immigration involves the movement into a geographic area, frequently to take up residency; emigration refers to the movement of people out of a geographic area • Today, about 900,000 people enter the U.S. each year • More than 23 million people live outside their countries of origin Population Composition Population Composition
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Unformatted text preview: refers to the biological and social characteristics of a population, including such attributes as age, sex, race, marital status, education, occupation, income, and size of household. The sex ratio is the number of males compared to the number of females In the United States, there are approximately 96 males to 100 females, due to womens high life expectancy In India, there are approximately 107 males for every 100 females because women are more likely to abort female fetuses and parents may provide less care for female children...
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