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Question
Answer the following question in about 30 words.
What are the three components of population change?
Very Short Answer
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Solution
- Crude Birth Rate (CBR): It is expressed as the number of live births in a year per thousand of the population in a particular region.
- Crude Death Rate (CDR): It is the number of deaths in a place per thousand of the population in a particular region. CBR and CDR are natural factors of population growth. They result in natural population growth, which equals the difference between CBR and CDR.
- Migration: It is the induced factor in population growth. It is the number of people moving in and out of a place for various social, economic, and political reasons. It is taken into account while calculating the actual growth of the population.
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Chapter 2: The World Population - Distribution, Density and Growth - Exercises [Page 12]
