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|the rapid growth of the world's human population during the past century, attended by ever-shorter doubling times and accerlerating rates of increase
|Time required for a population to double in size
|A periodic and official count of a countries population
|Term used to designate large coalescing supercities that are forming in diverse parts of the world
|Maps where one dot represents a certain number of phenomenon,such as a population
|Description of locations on the Earth's surface where populations live.
|Physiological Population Density
|The number of people per unit area of arable land.
|Arithmetic Population Density
|The population of a country or region expressed as an average per unit area. The figure is derived by dividing the population of the areal unit by the number of square kilometers or miles that make up the unit.
|A measurement of the number of people per given unit of land.