life expectancy meaning

Definition of life expectancy

1. an expected time to live as calculated on the basis of statistical probabilities

   Type of: anticipation

life expectancy in a sentence

• People's life expectancy grows every year.
• Life expectancy is below 50 years.
• Life expectancy has been improving, most notably among the young and the poor.
• Life expectancy keeps going up.
• As recent research shows, the life expectancy in Japan is consistently increasing.

How to pronounce life expectancy

life expectancy is pronounced /laɪf ɪkˈspɛktənsi/ in American English. It has 5 syllables.