Examples of life expectancy in a Sentence
improvements in diet that have resulted in greater life expectancy for many people
calculating the life expectancies of different social groups
Recent Examples on the Web
Americans still have the shortest life expectancy compared to residents of other wealthy nations.
—Karen Weintraub, USA TODAY, 19 Dec. 2024
Yet our life expectancy and medical outcome markers place us about 18th.
—Arthur E Palamara, Orlando Sentinel, 14 Dec. 2024
Well, no one ever said this job came with a long life expectancy.
—EW.com, 12 Dec. 2024
Researchers did find a genetic mutation in that Amish community that slowed down biological aging, pushing life expectancy to 85 for some people in that community.
—Nate Trela, Austin American-Statesman, 11 Dec. 2024
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Word History
First Known Use
1848, in the meaning defined above
Dictionary Entries Near life expectancy
Cite this Entry
“Life expectancy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/life%20expectancy. Accessed 23 Dec. 2024.
Kids Definition
life expectancy
noun
: 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
Legal Definition
life expectancy
noun
: the average life span of an individual
More from Merriam-Webster on life expectancy
Britannica.com: Encyclopedia article about life expectancy
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