Ratio between mortality and natality is calle | vedclass

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Vital index represents the ratio between natality (birth rate) and mortality (death rate). It determines the normal rate of growth of population and c

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Vital index

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Vital index represents the ratio between natality (birth rate) and mortality (death rate). It determines the normal rate of growth of population and can be calculated by the following formula:

Vital index $=\frac{	ext { Natality }}{	ext { Mortality }} 	imes 100$

Ratio between mortality and natality is called

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