Life-expectancy definitions

The number of years that an individual is expected to live as determined by statistics.
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The statistically probable length of time that a typical individual can be expected to live.
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The number of years that an individual is expected to live as determined by statistics.
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The age to which an average person is expected to live, based on the person’s sex, health factors, and other demographic data. Life expectancy rates are calculated by actuaries and are used extensively by life insurance companies to determine how much to charge for life insurance policies. Life expectancy varies according to a person’s current age: A baby born today may be expected to live until 85 years of age; a 50-year-old may be expected to live only until age 75.
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(of a person) The amount of time one is expected to live.
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(figuratively, by extension, of an idea or an object) The amount of time something is expected to last.
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