expectation of life
noun/ˌekspekteɪʃn əv ˈlaɪf/
/ˌekspekteɪʃn əv ˈlaɪf/
[uncountable] (North American English) (also life expectancy [uncountable, countable] British and North American English)
- the number of years that a person is likely to live; the length of time that something is likely to exist or continue for
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expectation of life