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In: Chemistry

What is the demographic transition? What are the four stages of the demographic transition?

What is the demographic transition? What are the four stages of the demographic transition?

Solutions

Expert Solution

"Demographic Transition" is a model that describes population change over time. It refers to the transition from high birth and death rates, to lower birth and death rates as a country or state or region develops from a pre-industrial to an industrialized economic system.

The four stages to the demographic transition are as follows:

Stage 1: Pre-transition

Characterised by high birth rates, and high fluctuating death rates.

Population growth was kept low by Malthusian "preventative" (late age at marriage) and "positive" (famine, war) checks.

Stage 2: Early transition

During the early stages of the transition, the death rate starts to fall.

As birth rates remain high, the population grows rapidly.

Stage 3: Late transition

Birth rates start to decline and the rate of population growth decelerates.

Stage 4: Post-transition

Post-transitional societies are characterised by low birth and low death rates.


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