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What is zero population growth? |
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Answer» Zero population growth, sometimes abbreviatedZPG(also called thereplacement level of fertility),is a condition ofdemographicbalance where the number of people in a specified population neithergrowsnordeclines, considered as a social aim by some.According to some, zero population growth, perhaps after stabilizing at someoptimum population, is the ideal towards which countries and the whole world should aspire in the interests of accomplishing long-term environmentalsustainability.What it means by ‘the number of people neither grows nor declines’ is that births plus in-migrants equal deaths plus out-migrants.[ |
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