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
Gary is one of five U.S. cities with the nation’s lowest life expectancy, according to GARD data.
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Maya Wilkins, Chicago Tribune, 6 Feb. 2025
The study’s results align with previous research on ADHD and life expectancy.
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Hannah Singleton, Health, 4 Feb. 2025
Crucially, Dorling’s effort is based on official statistics on five measures: life expectancy, poverty, education, employment and wealth.
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Matt Slater, The Athletic, 4 Feb. 2025
Our nation hasn’t experienced meaningful health improvement since 2010, as evidenced by life expectancy.
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Ge Bai, Forbes, 23 Jan. 2025
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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 14 Feb. 2025.
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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