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WorGeoUnit3

Spatial Demographics and migration

QuestionAnswer
Demography The scientific study of population characteristics
Demographic transition The process of change in a society's population from a condition of high crude birth and death rates and low rate of natural increase to a condition of low crude birth and death rates, low rate of natural increase, and higher total population
Doubling Time the number of years needed to double a population, assuming a constant rate of natural increase
Infant Mortality Rate the total number of deaths in a year among infants under 1 year of age for every 1,000 live births in society
Life expectancy the average number of years an individual can be expected to live, given current social, economic, and medical conditions
Natural increase rate (NIR) the percentage growth of a population in a year, computed as the crude birth rate minus the crude death rate
Crude birth rate (CBR) the total number of live births in a year for every 1,000 people alive in the society
Crude death rate (CDR) the total number of deaths in a year for every 1,000 people alive in the society
Population pyramid a bar graph that represents the distribution of population by age and sex
Total fertility rate (TFR) the average number of children a woman will have throughout her childbearing years
Created by: ddenson80