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View synonyms for

life expectancy

noun

  1. 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

  1. the statistically determined average number of years of life remaining after a specified age for a given group of individuals Also calledexpectation of life
“Collins English Dictionary — Complete & Unabridged†2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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˜yÐÄvlog History and Origins

Origin of life expectancy1

First recorded in 1930–35
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Example Sentences

Examples have not been reviewed.

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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Fire officials said the life expectancy of a firefighter is about 10 years lower than that of the average person.

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Blue Zone is the name given to five geographical areas in the world by researcher Dan Buettner, who discovered that people’s life expectancy and quality of life was higher than average.

From

They said this was shown by changes in levels of various genes in male foetal livers as early as 17 weeks into pregnancy, right through to adult males having shorter life expectancy.

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If the same proportional rise had occurred in the last 40 years, U.S. life expectancy in 2025 would be 110.

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