life expectancy

noun

: the average lifespan of an individual

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 And antiviral treatment has changed HIV from a death sentence in the early '80s to people with HIV now having a normal life expectancy. Dana Taylor, USA TODAY, 26 Sep. 2024 Global inequality in life expectancy across countries declined by one-third between 2002 and 2019. Peter Sands, Forbes, 20 Sep. 2024 There's as much as a nearly 10-year difference in life expectancy between U.S. states, a new report finds. Alex Fitzpatrick, Axios, 17 Sep. 2024 However, one study found that people with mild cerebral palsy symptoms had similar life expectancy to the general population.9 More advanced treatments, therapies, and devices are being made, so living well with this condition is possible and can improve in the coming years. Heidi Cope, Health, 13 Sep. 2024 See all Example Sentences for life expectancy 

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

Time Traveler
The first known use of life expectancy was in 1848

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 5 Oct. 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

Last Updated: - Updated example sentences
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