Economic Definition of demographic transition. Defined.
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Term demographic transition Definition: A transition experienced by most, if not all, developed countries in which the birth rate and death rate both decline from relatively high levels to relatively low levels. However, because the death rate tends to decline first, often preceding the decline in the birth rate be several decades, the rate of population growth increases. In some cases the rate of population growth can be so high that it circumvents further develop and prevents or postpones the completion of the demographic transition.