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View synonyms for
life expectancy
noun
- the probable number of years remaining in the life of an individual or class of persons determined statistically, affected by such factors as heredity, physical condition, nutrition, and occupation.
life expectancy
noun
- the statistically determined average number of years of life remaining after a specified age for a given group of individuals Also calledexpectation of life
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51Թ History and Origins
Origin of life expectancy1
First recorded in 1930–35
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Example Sentences
Examples have not been reviewed.
Life was short in the mid-1800s, with the life expectancy of most white Americans only 39 years.
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"All of these various issues layer upon each other to have an impact on healthy life expectancy."
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This applies at the other end of the demographic scale as well: Americans have a pathetically low life expectancy for a developed country.
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An average life expectancy of six years was part of the diagnosis.
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He claimed that when Social Security was created in 1935, the average life expectancy was 64 and the retirement age was 65, implying that the program was a scam from the inception.
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