the average life expectancy of the population of a nation, based on a sample of group of people.
ಆಯುರ್ದಾಯ ಕೋಷ್ಟಕ
♪ āyurdāya kōṣṭhaka
noun
a statistical table, based on a sample group of the population, stating the percentage of people who live to any given age and the life expectancy at any given age; life-table; mortality-table.