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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Americans, based on CDC life expectancy data, are alive for around 4,000 Saturdays.—Joe Kinsey Outkick, FOXNews.com, 12 June 2026 In 1800, just as the first true vaccine—against smallpox—came into use, life expectancy at birth hovered around thirty years worldwide.—Literary Hub, 11 June 2026 The average life expectancy is about 14 to 16 months.—Wendy Grossman Kantor, PEOPLE, 11 June 2026 Most alarming is the steady decline in child health and life expectancy.—Nicole F. Roberts, Forbes.com, 11 June 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