Demographic Transition

In: Business and Management

Submitted By hollyhobbie
Words 448
Pages 2
Holly Bartel
AIU Online
ES IP Unit 2

Not all countries have moved through all four phases of the demographic transition. You are a consultant for a developing country that is not yet in phase IV of demographic transition.

The demographic transition will be described on the developing countries and the population of CDR and CBR. You are a consultant for a developing country that is not yet in phase IV of demographic transition.
•Define demographic transition.
The tendency of a population to shift from high birth and death rates to low birth and death rates as a result of the epidemiologic and fertility transitions. The result is a population that grows very slowly, if at all. (Environmental Science: Toward a Sustainable Future Ed. 11 by Wright)
•Describe the 4 phases of demographic transition, including if the population is stable, growing, or declining in each. ·
Phase I is the primitive stability resulting from a high crude birth rates (CBR) being offset by an equally high crude death rates (CDR). Phase II is marked by a declining CDR— the epidemiologic transition. Because fertility and, hence, the CBR remain high, population growth accelerates during Phase II.
The CBR declines during Phase III due to a declining fertility rate, but population growth is still significant.
Finally, Phase IV is reached, in which modern stability is achieved by a continuing low CDR and an equally low CBR. . (Environmental Science: Toward a Sustainable Future Ed. 11 by Wright pg. 217)
•According to demographers, what factors lead to a decline in the crude birth rates (CBR) and crude death rates (CDR) in the epidemiologic and fertility phases of the demographic transition? ·
The decline in crude death rates and crude birth rates is caused by modern medicine and sanitation. The countries are still growing rapidly in population.

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