life expectancy

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life expectancy

[′līf ik′spek·tən·sē]
(biology)
The expected number of years that an organism will live based on statistical probability.
(engineering)
The predicted useful service life of an item of equipment.

life expectancy

the number of years the average member of a social group can expect to live. This is largely determined by environmental factors, though improvements in these do not lead to an infinitely extendable life expectancy, since the maximum period of existence of a member of the human species remains at about 110 years and biological factors impose limits less than this for most humans. The average life expectancy at birth in the UK in the late 20th-century was for men 71, and for women 76, and this has changed little in the last half century However, there is variation according to social class and region. Currently these demographic differences are widening, with life expectancy in the north of England and Scotland being significantly less than that in the south. See also BLACK REPORT, DEATH RATE AND MORTALITY RATE.
References in periodicals archive ?
If they continue at that rate, male life expectancy at sixty-five, currently estimated at nineteen, will reach about thirty by 2050.
Meanwhile, male life expectancy was shown to be highest in the South East (79.
In Wirral and Sefton, male life expectancy stands at 77.
Travelling in an easterly direction along the B4101 (Tile Hill Lane) male life expectancy drops 12.
In Cardiff and the Vale the distance between female and male life expectancy is also on the increase.
In its 2008 Yearbook it stated that assuming similar trends continue into the future, male life expectancy in Ireland may be approaching 87 by the year 2042, with women living until 88.
A study in Birmingham on male life expectancy rates will also be examined by other cities belonging to the Core Cities Network, which met yesterday for a conference at the Jury's Inn hotel in the city centre.
I estimate that the elimination of all firearm deaths in the United States would increase the male life expectancy more than the total eradication of all colon and prostate cancers.
Analysts will be keen to see if Prudential maintains its annual dividend and whether it sees any need to increase its reserves for annuity liabilities because of increased male life expectancy.
We also offer a unifying concept that explains the fluctuations in sex determination at conception, that is, the primary sex ratio (PSR), and the shorter male life expectancy at every age from conception onward.
Japanese male life expectancy dropped in 1995 due to a killer quake that struck the port city of Kobe in western Japan and in 1992 due to increased suicides and a massive outbreak of influenza.