Population Momentum

Bol

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Population momentum refers to population growth at the national level which would occur even if levels of childbearing immediately declined to replacement level. For countries with above-replacement fertility (greater than 2.1 children per woman), population momentum represents natural increase to the population. For below-replacement countries, momentum corresponds to a population decline. Momentum occurs because older cohorts differ in absolute size from those cohorts currently bearing children, which impacts the immediate birth and death rates in the population which determine the intrinsic rate of growth. Formal demographers refer to population momentum as the size of the resulting stationary-equivalent population relative to the current size of the population.

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Pagina's: 76, Paperback, Betascript Publishers