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16 Cards in this Set
- Front
- Back
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Arithmetic density
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The number of people living in a given unit area.
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Census Tract
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Small county subdivisions, usually containing between 2,500 and 8,000 persons, delineated by the US Census Bureau as areas of relatively uniform population characteristics, economic status, and living conditions.
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Chain migration
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The migration event in which individuals follow the migratory path of preceding friends or family members to an existing community.
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Child Mortality Rate
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Number of deaths per thousand children within the first five years of life.
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Cohort
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A population group unified by a specific common characteristic, such as age, and subsequently treated as a statistical unit.
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Demographic accounting equation
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An equation that summarizes the amount of growth or decline in a population within a country during a particular time period taking into account both natural increase and net migration.
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Dependency ratio
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The ratio of the number of people who are either too old or young to provide for themselves to the number of people who must support them through their own labor. This is usually expressed in the form n:100, where n equals the number of dependents.
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Generation X
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A term coined by artist and author Douglas Coupland to describe people born in the United States between the years 1965 and 1980. This post-baby-boom generation will have to support the baby boom cohort as they head into their retirement years.
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Infant mortality rate
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The percentage of children who die before their first birthday within a particular country.
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Intervening obstacles
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Any forces or factors that may limit human migration.
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Thomas Malthus
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Author of "Essay on the Principle of Population (1798)" who claimed that population grows at an exponential rate while food production increases arithmetically, and thereby that, eventually, population growth would outpace food production.
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Maternal mortality rate
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Number of deaths per thousand of women giving birth.
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Natural increase rate
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The difference between the number of births and number of deaths within a particular country.
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Neo-Malthusian
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Advocacy of population control programs to ensure enough resources for current and future populations.
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Physiologic Density
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A ratio of human population to the area of cropland, used in less developed countries dominated by subsistence agriculture.
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Refugees
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People who leave their homes because they are forced out, but not because they are being officially reloctated or enslaved.
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