life expectancy


Definition of life expectancy

: the average life span of an individual

Examples of life expectancy in a Sentence

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

Poor sanitation cuts life expectancies by seven months. Umair Irfan, Vox, "How improving air quality could add years to people’s lives around the world.," 21 Nov. 2018 Famed for its sandy white beaches and luxury resorts, the Maldives under Yameen have seen economic growth and longer life expectancy, according to the World Bank. Fox News, "Maldives' opposition presidential candidate claims victory," 23 Sep. 2018 The deficit is projected to rise because mandatory government spending on Social Security and health care programs like Medicare are expected to rise with the aging of the Baby Boomer generation, and increased life expectancy, CBO says. Sarah Gray, Fortune, "National Debt to Soar Higher Than World War II Levels by the 2030s, CBO Says," 27 June 2018 But assisted living facilities have never received the same federal oversight, even though industry watchers predict increased demand because of an aging society and rising life expectancy. Cassie Cope And Fred Clasen-kelly, charlotteobserver, "Her sick mom's care was costing her thousands and they 'didn't even give you sheets'," 31 May 2018 The study looked at the age of every victim killed by a law enforcement officer in the U.S. and calculated the difference between the victims’ age at the time of their demise and the victims’ life expectancy. Michael Harriot, The Root, "Get ’Em While They’re Young: Study Shows Cops Take Black Lives Earlier, More Often Than Whites," 8 May 2018 Putin signed decrees Monday outlining his goals, such as reducing poverty and, by the end of his six-year term, raising Russian life expectancy to 78 years, from 72 now. Andrew E. Kramer,, "Putin starts 4th term with coronation-style ceremony," 7 May 2018 Chile and Costa Rica spend about an eighth of what America does per person on health and have similar life expectancies. The Economist, "Universal health care, worldwide, is within reach," 28 Apr. 2018 Data released today by the CDC’s National Center for Health Statistics points to a continuing downward trend: life expectancy in 2017 was 78.6 years, down from 78.7 years in 2016. Cathleen O'grady, Ars Technica, "US life expectancy continues to move in reverse," 29 Nov. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'life expectancy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of life expectancy

1848, in the meaning defined above

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Statistics for life expectancy

Last Updated

20 Jan 2019

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Time Traveler for life expectancy

The first known use of life expectancy was in 1848

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More Definitions for life expectancy

life expectancy


English Language Learners Definition of life expectancy

: the average number of years that a person or animal can expect to live

life expectancy


Medical Definition of life expectancy

: an expected number of years of life based on statistical probability

life expectancy


Legal Definition of life expectancy

: the average life span of an individual

More from Merriam-Webster on life expectancy

Spanish Central: Translation of life expectancy Encyclopedia article about life expectancy

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