Question

What is Vital Index ? Write the formula to derive it
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Answer 1

Birth rate or natality rate is defined as number of births per 1,000 individuals of a population per year. Death rate or mortality rate is generally expressed as number of deaths per 1,000 individuals of a population per year. Therefore, theformula of vital index is Natality/Mortality x 100.

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Answer 2

Answer:-

Vital Index:-

• Vital index is defined as the ratio of births to deaths within a population during a given time is called Vital Index.
• Birth rate or natality rate is defined as number of births per 1,000 individuals of a population per year.
• Death rate or mortality rate is generally expressed as number of deaths per 1,000 individuals of a population per year.
• Therefore, the formula of vital index is Natality/Mortality x 100.