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State of population

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State of population  (STATE of population)

Current population statistics1 may be distinguished from statistics of population movement2 or statistics of population change2, They deal with the static aspects of the subject and give an instantaneous picture of the population at a given moment of time: the statistical units (110-1) used are generally households (110-3), individuals (110-2), etc. Statistics of population movement are concerned with the continuous processes of change which affect a population, and deal largely with vital events3, such as births, marriages, deaths, and with migration (801-1). They deal with population development4, sometimes also called population dynamics4. Censuses (202-1) are the main source of information on the state of the population5. Vital statistics (211-6) are the principal sources used for the study of population movement6 or population change6, sometimes called general population movement6. Occasionally they deal with natural movement7 only, i. e., they do not take into account movement between the population studied and other populations, hut logically migration statistics (cf. 804-1) are part of the statistics of population movement.

  • 6. The term population movement was originally applied to the geographical movement of the population and is still often used in that sense, but its meaning has been extended in some recent writings to include movement of population in time.