AP HuG U2 - 9 & 10 Key Terms

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Demographic Equation

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The method for calculating total population of a country or place based on natural increase and migration over a period of time (usually a year).

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Crude Birth Rate (CBR)

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The average number of births per 1000 people; the traditional way of measuring birth rates.

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Low Birth Rate

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A crude birth rate between 10 and 20 births per 1000 people.

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Transitional Birth Rate

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A crude birth rate between 20 and 30 per 1000 people.

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High Birth Rate

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A crude birth rate of more than 30 per 1000 people.

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Total Fertility Rate (TFR)

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The average number of children born per woman during her reproductive lifetime, considered to be from 15 to 49 years of age.

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Replacement Level Fertility

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The average number of children needed to replace both parents and stabilize population over time.

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Gender Roles

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Culturally specific notions of what it means to be a man or woman.

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Crude Death Rate (CDR) or Mortality Rate

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The number of deaths per year per 1000 people.

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Infant Mortality Rate (IMR)

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A measure of how many infants die within the first year of their life per 1000 live births.