improvements in diet that have resulted in greater life expectancy for many people
calculating the life expectancies of different social groups
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Despite the staggering amount spent in the healthcare sector, Americans have the lowest life expectancy, 79, and the second-highest avoidable mortality rate among comparable nations.—
Joshua P. Cohen,
Forbes.com,
2 July 2026 But overdoses are the biggest killer of younger people, and the change will likely have boosted US life expectancy — determined by death rates at all age groups — to another record, CNN noted.—
Tom Chivers,
semafor.com,
2 July 2026 The pension system reform would include gradually raising the retirement age, currently between 65 and 67 years depending on the number of years worked, in line with life expectancy.—ABC News,
2 July 2026 For those sent to the front, the average life expectancy stands at around two or three weeks, according to one Russian military blogger who follows the fighting closely.—
Simon Shuster,
The Atlantic,
1 July 2026 See All Example Sentences for life expectancy
: the number of years that an individual or group of a certain age can expect to live on the average based on experience in the past for individuals or groups of the same kind
Medical Definition
life expectancy
noun
: an expected number of years of life based on statistical probability