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30 Cards in this Set
- Front
- Back
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Abortion Rate
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The number of abortions per 1,000 women ages 15-44 or 15-49 in a given year.
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Abortion Ratio
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The number of abortions per 1,000 live births in a given year.
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Age-Dependency Ratio
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The ratio of persons in the ages defined as dependent (under 15 years and over 64 years) to persons in the ages defined as economically productive (15-64 years) in a population.
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Age-Sex Structure
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The composition of a population as determined by the number or proportion of males and females in each age category. It is the cumulative result of past trends in fertility, mortality, and migration.
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Age-Specific Rate
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Rate obtained for specific age groups (for example, fertility rate, death rate, marriage rate, illiteracy rate, or school enrollment rate).
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Aging of a population
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A process in which the proportions of adults and elderly increase in a population, while the proportions of children and adolescents decrease.
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Antinatalist policy
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The policy of a government, society, or social group to slow population growth by attempting to limit the number of births.
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Baby boom
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A dramatic increase in fertility rates and in the absolute number of births in America, Canada, Australia, and New Zealand during the period following WWII (1947-1961).
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Baby bust
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A rapid decline in US fertility rates to record-low levels during the period immediately after the baby boom.
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Balancing Equation
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A basic demographic formula used to estimate total population change between two points in time--or to estimate any unknown component of population change, provided that the other components are known.
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Components of Population Change
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1. Births
2. Deaths 3. Immigration/In-migration 4. Emigration/Out-migration |
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Birth Control
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Practices employed by couples that permit sexual intercourse with reduced likelihood of conception and birth.
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Crude Birth Rate
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The number of live births per 1,000 population in a given year.
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Birth Rate for Unmarried Women
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The number of live births per 1,000 unmarried women ages 15-49 in a given year.
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Brain Drain
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The emigration of a significant proportion of a country's highly skilled, highly educated professional population, usually to other countries offering better economic and social opportunity.
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Carrying Capacity
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The maximum sustainable size of a resident population in a given ecosystem.
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Case Fatality Rate
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The proportion of persons contracting a disease who die from it during a specified time period.
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Case Rate
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The number of reported cases of a specific disease per 100,000 population in a given year.
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Cause-Specific Death Rate
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The number of deaths attributable to a specific cause per 100,000 population in a given year.
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Census
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A canvass of a given area, resulting in an enumeration of the entire population and often the compilation of other demographic, social, and economic information pertaining to that population at a specific time.
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Childbearing Years
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The reproductive age span of women, assumed for statistical purposes to be 15-44 or 15-49 years of age.
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Child-Woman Ratio
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The number of children under age 5 per 1,000 women ages 15-44 or 15-49 in a population in a given year. This crude fertility measure, based on basic census data, is sometimes used when more specific fertility information is not available.
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Closed Population
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A population with no migratory flow either in or out, so that changes in population size occur only through births and deaths.
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Cohort
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A group of people sharing a common temporal demographic experience who are observed through time.
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Cohort Analysis
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Observation of a cohort's demographic behavior through life or through many periods.
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Cohort Measures
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Rates derived from cohort analyses.
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Completed Fertility Rate
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The number of children born per woman to a cohort of women by the end of their childbearing years.
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Consensual Union
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Cohabitation by an unmarried couple for an extended period of time.
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Crude Rate
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Rate of any demographic event computed for an entire population.
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Crude Death Rate
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The number of deaths per 1,000 population in a given year.
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