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  2. Demographic transition - Wikipedia

    en.wikipedia.org/wiki/Demographic_transition

    In demography, demographic transition is a phenomenon and theory in the social sciences referring to the historical shift from high birth rates and high death rates to low birth rates and low death rates as societies attain more technology, education (especially of women), and economic development. [1]

  3. Zelinsky Model - Wikipedia

    en.wikipedia.org/wiki/Zelinsky_Model

    The Zelinsky Model of Migration Transition, [1] also known as the Migration Transition Model or Zelinsky's Migration Transition Model, claims that the type of migration that occurs within a country depends on its development level and its society type. It connects migration to the stages within the Demographic Transition Model (DTM).

  4. Population pyramid - Wikipedia

    en.wikipedia.org/wiki/Population_pyramid

    In the demographic transition model, the size and shape of population pyramids vary. In stage one of the demographic transition model, the pyramids have the most defined shape. They have the ideal big base and a skinny top. In stage two, the pyramid looks similar but starts to widen in the middle age groups.

  5. Epidemiological transition - Wikipedia

    en.wikipedia.org/wiki/Epidemiological_transition

    The lengthy transition allowed fertility to decline at virtually the same rate that mortality also declined. Germany might be considered another example of this model. Accelerated model: (Japan) Japan experienced a rapid transition as a result of a few decades of intensive war-driven industrialization followed by postwar occupation. The ...

  6. Kingsley Davis - Wikipedia

    en.wikipedia.org/wiki/Kingsley_Davis

    Davis led and conducted major studies of societies in Europe, South America, Africa and Asia, coined the term "population explosion", and played a major role in the naming and development of the demographic transition model. [1] [6] He was also one of the original scholars in the development of the theory of overurbanization.

  7. Population momentum - Wikipedia

    en.wikipedia.org/wiki/Population_momentum

    Population momentum is a consequence of the demographic transition. Population momentum explains why a population will continue to grow even if the fertility rate declines or continues to decline even if the fertility rate grows. Population momentum occurs because it is not only the number of children per woman that determine population growth ...

  8. Wilbur Zelinsky - Wikipedia

    en.wikipedia.org/wiki/Wilbur_Zelinsky

    He also created the Zelinsky Model of Demographic Transition. Background and education. An Illinoisan by birth, but a "northeasterner by choice and conviction", ...

  9. Dual inheritance theory - Wikipedia

    en.wikipedia.org/wiki/Dual_inheritance_theory

    An example of this is the demographic transition, which describes the fall of birth rates within industrialized societies. Dual inheritance theorists hypothesize that the demographic transition may be a result of a prestige bias, where individuals that forgo reproduction to gain more influence in industrial societies are more likely to be ...