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 the 20th century, the average life expectancy of Americans increased by 30 years.—Arthur L. Kellermann, Forbes.com, 21 Apr. 2025 For the sake of political control, the Administration is jeopardizing an enterprise that added decades to life expectancy in the United States and made America the world leader in technology and innovation.—Atul Gawande, New Yorker, 21 Apr. 2025 An October report from Industrious Labs found that most residents in Gary are in the top 10% of U.S. residents most at-risk for developing asthma and at-risk of low life expectancy.—Maya Wilkins, Chicago Tribune, 20 Apr. 2025 My mother is now in hospice with a life expectancy of weeks to months.—Jeanne Phillips, Mercury News, 15 Apr. 2025 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
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