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
During this period, the gap between Black and white life expectancies shrank.
—Amy Maxmen | Kff Health News, ABC News, 18 Jan. 2025
Though the United States is one of the wealthiest nations, in terms of overall life expectancy, the nation ranks as 49th out of 204 countries.
—Kristen Rogers, CNN, 15 Jan. 2025
From 2015 to 2021, Indigenous people in Alberta suffered a collapse in life expectancy of seven years, to 60 for men and 66 for women.
—David Frum, The Atlantic, 15 Jan. 2025
In general, people are living longer — life expectancy in the U.S. has risen from approximately 61 years in 1940 to over 79 years today.
—Lawrence D. Sprung, Founder/wealth Advisor At Mitlin Financial, Inc., CNBC, 7 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 23 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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