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

The calculation divides your previous year-end pretax balance by an IRS life expectancy factor. —Kate Dore, Cfp®, CNBC, 6 Dec. 2024

Brent Franson, the app's developer, told Bloomberg that AI was trained on a dataset of 1,200 life expectancy studies involving 53 million participants to provide more accurate predictions than traditional actuarial tables. —Josh Hammer, Newsweek, 3 Dec. 2024

According to some research, people with CHF may experience a loss of about seven years in life expectancy compared to people without CHF. —Alexandria Nyembwe, Phd, Rn, Health, 29 Nov. 2024

With improved health, there’s a more relaxed feeling throughout the mind and body, which can be a factor in a longer life expectancy. —Cheryl Russell, Orange County Register, 29 Nov. 2024

Word History

First Known Use

1848, in the meaning defined above

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