- the probable number of years remaining in the life of an individual or class of persons determined statistically, affected by such factors as heredity, physical condition, nutrition, and occupation.
Origin of life expectancy
First recorded in 1930–35
Also called expectancy of life.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for life expectancy
“Baby boomers are getting older, which means that they may not have a pet because of life-expectancy issues,” she says.Enterpreneurs Create Apps and Web-Based Businesses to Appeal to Dog Owners
May 30, 2013
Height, weight, life-expectancy have fallen perceptibly every decade since then.
In the twentieth century disease lessened and life-expectancy doubled, in certain areas.
- the statistically determined average number of years of life remaining after a specified age for a given group of individualsAlso called: expectation of life
- The number of years that one is expected to live as determined by statistics.