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
In fact, a Danish survey of 8,700 people over 25 years found that tennis adds 9.7 years to life expectancy compared to a sedentary lifestyle.
—Wes Moss, Forbes, 21 Nov. 2024
Pygmies are native to West Africa and their average life expectancy is 27 years, according to the Pygmy Hippo Foundation.
—Greta Cross, USA TODAY, 13 Nov. 2024
This model also comes with high-quality sensors, while the Optical Gen 3 switches have a life expectancy of a massive 90 million clicks.
—Gabriela Vatu, PCMAG, 1 Nov. 2024
Air in the city is so bad year-round that experts say residents, who already complain of itchy eyes and runny noses, may also have shorter life expectancy due to respiratory illnesses.
—Mithil Aggarwal, NBC News, 1 Nov. 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 28 Nov. 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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