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
Smoking just one cigarette can reduce life expectancy by about 20 minutes, according to research commissioned by the U.K. government.
—Katherine Hignett, Forbes, 30 Dec. 2024
College opens doors to better health care, better health outcomes, even longer life expectancies.
—Aidé Acosta, The Mercury News, 27 Dec. 2024
The increase aimed to match increasing life expectancy.
—Karen Garcia, Los Angeles Times, 24 Dec. 2024
An aging population — baby boomers entering retirement — significantly increases demand for health-care services, and longer life expectancies have led to more years of health-care utilization.
—Michael Khouw, CNBC, 23 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 15 Jan. 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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