Search results
Results From The WOW.Com Content Network
In demography, demographic transition is a phenomenon and theory which refers 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] The demographic transition has occurred in most of the world ...
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.
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 ...
In demography and medical geography, epidemiological transition is a theory which "describes changing population patterns in terms of fertility, life expectancy, mortality, and leading causes of death." [1] For example, a phase of development marked by a sudden increase in population growth rates brought by improved food security and ...
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. . Population momentum occurs because it is not only the number of children per woman that determine population growth, but also the number of women in reproductive
However Saw Swee Hock, a statistician and demographer quoted in the Straits Times in 2008, argued the demographic transition "was rapid because of the government's strong population control measures," but also admitted that, "even without the Stop at Two policy, the [total fertility rate] would have gone below 2.1 due to [the demographic ...
The most disabling assumption that Rostow is accused of is trying to fit economic progress into a linear system. This charge is correct in that many countries make false starts, reach a degree of transition and then slip back, or as is the case in contemporary Russia, slip back from high mass consumption (or almost) to a country in transition ...
The term " demographic trap " is used by some demographers to describe a situation where stage 2 persists because "falling living standards reinforce the prevailing high fertility, which in turn reinforces the decline in living standards." [2] This results in more poverty, where people rely on more children to provide them with economic security.