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Chapter five key terms in text by HJ Blij/Alexander Murphy
|Rate of growth that advances in a straight line.
|Growth at a constant rate of increase per unit of time.
|The time required for a population to double in size.
|The rapid growth of the world's human population during the past century, attended by the ever-shorter doubling time and accelerating rates of increase.
|A population's makeup in terms of age, sex, or other properties such as martial status and education.
|Graphic representation of a population showing the percentages of the total population by age and sex.
|The study of population.
|Natural Increase Rate (NIR)
|The difference between the number of births and the number of deaths during a specific period.
|Crude Birth Rate (CBR)
|The number of live births per year per thousand people in the population.
|Crude Death Rate (CDR)
|The number of deaths per thousand people in a population.
|Total Fertility Rate (TFR)
|The number of children born to women of childbearing age.
|Infant Mortality Rate (IMR)
|The number of babies that die within the first year of their lives in a given population.
|Four stages of population change; high stationary stage, early expanding stage, late expanding stage, low stationary stage.
|Represented by stages 2 and 3 of the demographic cycle.
|Stationary population level (SPL)
|The level at which a national population ceases to grow.