Expectation of life at birth by sex and by rural/urban/combined, India, 1970-75 and 1976-80, age 1 year by sex and by , Variation in the Expectation of life for person with increases in age by ruban/urban/combined India, 1976-80, a person in al aras (ruban & urban combined) of major states-1970-75 and 1976-80, age 1 year of a person in all areas (rural & urban combined) of major states- 1970-75 and 1976-80.