life expectancy
Americannoun
noun
Other Word Forms
Noun Inflected Forms
Etymology
Origin of life expectancy
First recorded in 1930–35
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Average life expectancy, meanwhile, jumped from 51 years in 1960 to 77 years now—just two years below the U.S.
From The Wall Street Journal ● Jul. 26, 2026
He added the trust estimated the long-standing pair to be about 18 years old, with life expectancy for the birds being about 25 years.
From BBC ● Jul. 21, 2026
Discussions about the “best” age to claim Social Security often focus on life expectancy, break-even ages and investment returns.
From MarketWatch ● Jul. 20, 2026
Which state has the highest average life expectancy?
From The Wall Street Journal ● Jul. 18, 2026
Average life expectancy was apparently just thirty to forty years, but this was due largely to the high incidence of child mortality.
From "Sapiens: A Brief History of Humankind" by Yuval Noah Harari
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
