Population Growth and Demographics Concepts

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Demographics

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The study of populations

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Natural Increase Rate

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the percentage by which a population grows in a year

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Doubling Time

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The number of years needed to double a population

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Life Expectancy

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The average number of years a person can expect to live

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Crude Birth Rate

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The number of live births per 1000 people

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Crude Death Rate

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The number of deaths per 1000 people

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Total Fertility Rate

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The number of children a women can expect to have in her lifetime

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Thomas Mathus

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(Thanos) English economist and ameture messimist who claimed that population was growing exponentially while food supply is growing geometrically.

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Natalism

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Encouragement of having children

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Anti-Natalism

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Discouraging children to control population growth