life expectancy

noun

1. 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.

life expectancy

noun

1. the statistically determined average number of years of life remaining after a specified age for a given group of individuals Also calledexpectation of life

Word History and Origins

Origin of life expectancy¹

First recorded in 1930–35

Example Sentences

And while humanity's life expectancy has increased dramatically in the modern era, we still struggle with the inevitable health issues our bodies face as we get up in the years.

From Science Daily

We have reported how pollution is making people sick and reducing their life expectancy here, here and here.

From BBC

In terms of the overall amount of revenue that ends up in beneficiaries’ pockets, however, “we would not expect observable changes in objective health outcomes or life expectancy.”

From Salon

Longer life expectancies and a rise in older women working, which makes divorce more feasible economically, are helping to drive the trend.

From New York Times

"Offering an FDA-approved drug for off-label use could provide hope and improve both life expectancy and quality of life for these patients."

From Science Daily

Related Words

• longevity