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# Unit 2

TermDefinition
Total Fertility Rate Number of births per women in a region per year
Crude Birth Rate Number of births per year for every 1000 people
Crude Death Rate Number of deaths per year for every 1000 people.
Natural Increase Rate The growth rate of a population; the difference between birthrate and death rate.
Infant Mortality Rate The annual number of deaths of infants under one year of age, compared with total live births. It is expressed as the annual number of deaths among infants per 1000 births rather than a percentage
Doubling Time The number of years it takes for a population to double in size
Pro-Natal Policies Policies that encourage births
Anti-Natal Policies Policies that discourage births
Population Pyramid A diagram that shows the distribution of a population
Demographic Transition Model The model that uses birthrates and death rates to show how populations in counties or regions change over time
Population Density The average number of people living on a square mile or square kilometer of land
Created by: HCSWorldGeo

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