Meaning of vital index | Babel Free
Definitions
The ratio of the number of births to the number of deaths in a population over a specific period of time.
Examples
“Now what is the real biological meaning of the vital index? What does it actually measure⟳? It measures always the present⟳ worth of the evolutionary survival value of a population, but implies nothing as to how this present⟳ worth is brought about. Furthermore, the vital index implies nothing intrinsic in a population.”
“The epidemic of influenza in 1918 was almost exclusively responsible for the decline⟳ of the vital index to 36.31% below the figure⟳ of 1912.”
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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