Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “life expectancy”

life expectancy

noun [C, U]    
the number of years that someone is likely to liveLife and living
(Definition of life expectancy noun from the Cambridge Learner's Dictionary © Cambridge University Press)

Definitions of “life expectancy” in other dictionaries

Word of the Day

well in (with)

to have a good relationship with someone in which they like you and from which you get an advantage

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More