Life expectancy - Definition


Life expectancy is a statistical figure used in demography to evaluate, at a given time and in a given country, the average age to which inhabitants can expect to live in current conditions. Life expectancy varies greatly from one country to another: from less than 50 years old in developing countries to over 80 in developed countries. It is tied to numerous social, health, and behavioral factors that differ from one country to another. Its general trend is a steady, global increase.
Published by Jeff. Latest update on November 26, 2013 at 12:52 PM by Jeff.
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