improvements in diet that have resulted in greater life expectancy for many people
calculating the life expectancies of different social groups
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In 2021, life expectancy fell to just under 76 1/2 years.—CBS News, 29 Jan. 2026 Because of longer life expectancies, the onset of symptoms thankfully was not static at 35, but regardless of when people entered their midlife crisis, evidence of the phenomenon was observed around the world.—Tristan Bove, Fortune, 29 Jan. 2026 But life expectancy has been slowly inching back up since the pandemic ended in 2023 and drug overdoses began falling.—Rob Stein, NPR, 29 Jan. 2026 In parts of North Tulsa, home to Greenwood, the average life expectancy is approximately 10 years less than that of many parts of South Tulsa.—Caleb Gayle, The Atlantic, 28 Jan. 2026 See All Example Sentences for life expectancy
: the number of years that an individual or group of a certain age can expect to live on the average based on experience in the past for individuals or groups of the same kind
Medical Definition
life expectancy
noun
: an expected number of years of life based on statistical probability