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
Most bridges built in that era have a life expectancy of about 50 years or more.
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Frederick Melo, Twin Cities, 13 July 2024
Extends Your Life Brisk walking has a powerful association with extending life expectancy.
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Cathy Nelson, Verywell Health, 12 July 2024
Global life expectancy is projected to reach 81.7 years in 2100.
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Denise Chow, NBC News, 11 July 2024
Black Americans in general have a lower life expectancy than white Americans, and Black babies are more likely to be stillborn or die in infancy.
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Anna North, Vox, 1 July 2024
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These examples are programmatically compiled from various online sources to illustrate current usage of the word 'life expectancy.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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 27 Jul. 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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