Life expectancy is defined statistically as the average number of years remaining for an individual or a group of people at a given age. It is defined statistically as the average number of years remaining for an individual or a group of people at a given age.
life expectancy the number of years, based on statistical averages, that a given person of a specific age, class, or other demographic variable may be expected to continue living. life expectancy, n the probable number of years a person will live after a given age, as determined by the mortality rate in a specific geographic area. This number may be individually qualified by the person's condition, race, sex, age, and other demographic factors. More discussions about life expectancy. The word  longevity  is sometimes used as a synonym for  life expectancy  in demography-however, the term longevity is sometimes meant to refer only to especially long lived members of a population, whereas life expectancy is always defined statistically as the average number of years remaining at a given age.  life expectancy, the probable number of years a person will live after a given age, as determined by mortality in a specific geographic area. It may be individually qualified by the person's condition or race, sex, age, or other demographic factors. Also called expectation of life. life expectancy, n the probable number of years a person will live after a given age, as determined by the mortality rate in a specific geographic area. This number may be individually qualified by the person's condition, race, sex, age, and other demographic factors. More discussions about life expectancy. Full Definition of LIFE EXPECTANCY. : the average life span of an individual. See life expectancy defined for English-language learners. See life expectancy defined for kids. ADVERTISEMENT.  By Dr Ananya Mandal, MD. Life expectancy refers to the number of years a person is expected to live based on the statistical average. Life expectancy varies by geographical area and by era. In the Bronze age, for example, life expectancy was 26 years, while in 2010, it was 67 years. In mathematical terms, life expectancy refers to the expected number of years remaining for an individual at any given age. In formulaic terms, life expectancy is denoted by ex, where, “e” represents the expected number of years remaining and “x” represents the person’s present age. Life expectancy is defined statistically as the average number of years remaining for an individual or a group of people at a given age. Longevity refers to the characteristics of the relatively long life span of some members of a population. Mathematically, life expectancy is the mean number of years of life remaining at a given age, assuming constant mortality rates. It is denoted by, which means the average number of subsequent years of life for someone now aged, according to a particular mortality experience. DEFINITION of 'Life Expectancy'. 1. The age until which a person is expected to live. 2. The remaining number of years an individual is expected to live, based on IRS issued life expectancy tables. The life expectancy, for required minimum distribution (RMD) calculation purposes, is determined by the current age of the individual
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life expectancy definition