Assumes the widespread fertility declines in a society occur in a context of rising socioeconomic opportunities, coupled with sustained high rates of natural increase due to declining death rates (in infancy and childhood)
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Pre-decline
________ rise in fertility = every case of demographic transition.
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Adjustment theorists
New socioeconomic opportunities in a context of industrialization and urbanization made large families less desirable than before.
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Post-transitional regime
Low fertility, high life expectancy, low rates of natural increase, high levels of demographic aging.
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Population projection
Computational exercise intended to determine a future populations size and age- sex distribution.
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Innovation theorists
Emphasize the role played by new contraceptive technologies and new ideas emphasizing small families.
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Population momentum
The amount of unavoidable growth that is built into the current age structure of the population.
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Population of the world in 2014
7.238 billion
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Doubling time
The number of years it would take for the population to double if its current rate of growth were to remain unchanged
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Multiphasic response theory
Assumes the widespread fertility declines in a society occur in a context of rising socioeconomic opportunities, coupled with sustained high rates of natural increase due to declining death rates (in infancy and childhood)
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Transitional populations
Countries that have recently completed or are approaching the end of demographic transition
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Delayed transition populations
Countries where the demographic transition has only recently begun
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Innovation theorists
Emphasize the role played by new contraceptive technologies and new ideas emphasizing small families
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Adjustment theorists
New socioeconomic opportunities in a context of industrialization and urbanization made large families less desirable than before
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Population growth rate
Expected to continue declining steadily
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Post-transitional regime
Low fertility, high life expectancy, low rates of natural increase, high levels of demographic aging
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Population projection
Computational exercise intended to determine a future populations size and age-sex distribution
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