Which of the following statements about demography is true?
A. Demography studies only population size.
B. Vital statistics do not include marriages.
C. Migration does not affect population change.
D. Census is a demographic tool for complete enumeration.
Answer: Option D
Solution (By JKSSB Mock Tests)
Census is a complete count of a population. Demography also studies composition, distribution; vital statistics includes marriages; migration affects population change.
Explanation:
CDR = (Number of deaths in a year / Mid-year population) × 1,000. It is a basic mortality indicator, though sensitive to population age structure.
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