life expectancy

Noun

life expectancy (countable and uncountable, plural life expectancies)

1. The amount of time one is expected to live.
   • Great Danes have relatively short life expectancies compared to smaller dogs, living for an average of 8-10 years, and males are typically about 2.5 feet (0.76 meters) tall, according to the American Kennel Club.2024 June 25, Issy Ronald, “Kevin, world’s tallest male dog, dies shortly after securing record”, in CNN
   • People born in 2023 are now estimated to live 78.4 years, according to the CDC. That’s still shy of the 78.8-year life expectancy from 2019, but it’s a significant improvement driven by lower death rates in each of the 10 leading causes of death.2024 December 19, Deidre McPhillips, “US life expectancy has rebounded closer to pre-pandemic levels”, in CNN
2. (broadly, figuratively) The amount of time something is expected to last.