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12 Cards in this Set
- Front
- Back
Demography
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vital statistics about people (births; deaths; where they live; total pop. size).
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Less-Developed Countries
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include countries in Africa; Asia; and Latin America; represent 80% of the world population and more than 90% of all projected growth.
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Developed Countries
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include the richer countries of North America; Western Europe; Japan; Australia; and New Zealand; populations in these countries are expected to decline significantly over the next century.
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Fecundity
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the physical ability to reproduce.
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Fertility
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the actual number of offspring produced through sexual reproduction; usually described in terms of number of offspring of females.
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Crude Birth Rate
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the number of births in a year per thousand persons. (This is crude because it is not adjusted for certain population characteristics.)
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Total Fertility Rate
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number of children born to an average woman in a population during her entire reproductive life.
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Zero population growth
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occurs when births plus immigration in a population equal deaths plus emigration.
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Crude death/mortality rates
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the number of deaths per thousand persons in any given year.
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Life Span
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the oldest age to which a species is known to survive.
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Life Expectancy
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the average age that a newborn infant can expect to attain in any given society (i.e.; the average age of death).
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Age Structure Diagram
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involves grouping male and female individuals of a population into three age categories: pre-reproductive; reproductive; and post-reproductive; age structure diagram indicates whether a population is increasing; decreasing; or remaining constant.
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