life expectancy
noun
: the average life span of an individual
Example Sentences
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 Still, factors such as the rise of life expectancy are reasons why the global population continues to rise. 
Jordan Mendoza, USA TODAY, 11 July 2022 The Beijing-Tianjin-Hebei area saw a 33 per cent reduction in pollution, translating into a gain of 2.6 years of life expectancy for some 109 million residents. Ranjit Devraj, Quartz, 16 June 2022 The life expectancy, or mortality, of the individual, also has an effect. Leon Labrecque, Forbes, 9 Aug. 2022 That’s more than six years lower than Hawaii’s life expectancy of 80.9 years, the highest in the nation. Jennifer Calfas, WSJ, 10 Feb. 2022 Mexico and Latvia had the lowest life expectancy, at less than 76 years. Maggie Fox, CNN, 9 Nov. 2021 Fredette estimates a life expectancy of 75 years, during which time thousands of visitors will relish the fruits of the conservators’ labor. BostonGlobe.com, 15 Oct. 2021 NiceRX used data, including life expectancy, homicide rate, mean household income and safety ratings to get an overview of different stresses and strains of each state. Leada Gore | Lgore@al.com, al, 15 Oct. 2021 Federal data released Wednesday showed that the pandemic reduced life expectancy in the U.S. by a year and half in 2020, with the loss doubled for Black and Hispanic Americans. Harold Maass, The Week, 21 July 2021 See More
Jordan Mendoza, USA TODAY, 11 July 2022 The Beijing-Tianjin-Hebei area saw a 33 per cent reduction in pollution, translating into a gain of 2.6 years of life expectancy for some 109 million residents. Ranjit Devraj, Quartz, 16 June 2022 The life expectancy, or mortality, of the individual, also has an effect. Leon Labrecque, Forbes, 9 Aug. 2022 That’s more than six years lower than Hawaii’s life expectancy of 80.9 years, the highest in the nation. Jennifer Calfas, WSJ, 10 Feb. 2022 Mexico and Latvia had the lowest life expectancy, at less than 76 years. Maggie Fox, CNN, 9 Nov. 2021 Fredette estimates a life expectancy of 75 years, during which time thousands of visitors will relish the fruits of the conservators’ labor. BostonGlobe.com, 15 Oct. 2021 NiceRX used data, including life expectancy, homicide rate, mean household income and safety ratings to get an overview of different stresses and strains of each state. Leada Gore | Lgore@al.com, al, 15 Oct. 2021 Federal data released Wednesday showed that the pandemic reduced life expectancy in the U.S. by a year and half in 2020, with the loss doubled for Black and Hispanic Americans. Harold Maass, The Week, 21 July 2021 See More Word History
First Known Use
1848, in the meaning defined above
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