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Demography
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The study of population numbers, distribution, trends and issues.
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Natural Increase
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The rate at which a population increases or decreases in a year. (birth rate-death rate)
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Population Growth Rate
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The rate at which a country's pop. increases or decreases. (natural increase+net migration)
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Birth Rate
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The number of births per 1000 in a country in a given year.
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Death Rate
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The number of deaths per 1000 in a country in a given year.
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Population Distribution
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The pattern of where people live in an area.
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Population Density
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The number of people living in an area. Population divided by area.
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Doubling Time
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The number of years it takes a country to double its population at its current growth rate.
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Nutritional Density
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A measure of how much nutrition in calories can be produced from a certain area.
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Carrying capacity
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The maximum number of people that can be sustained by an environment.
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Life expectancy
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The average number of years an individual is expected to live dependency on where they live.
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Exponential Rate
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A rapid rate of population growth as each generation doubles in size.
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Rule of 70
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The number of years it takes for a country to double its population, 70 divided by country's growth rate.
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Later, Longer, Fewer campaign
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In the 1970's, Chinese government implemented this campaign to reduce the number of children women were having from 6 to 2.
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One Child Policy
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In 1979, the Chinese gov. implemented this campaign to reduce the number of children women were having from 2 to 1.
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