Statistical estimate of how long and well a particular kind of people will live. Combination of (a) length of life and (b) quality of life.
The term life expectancy is used for statistical estimates of how long a particular kind of people will live. Such estimates are based on the observed length of life of similar people who have died in the past and on probable future changes in mortality. Used in this sense, the term refers to something “objective,” that is, it is an estimate made by distant observers on the basis of clear criteria. The term is typically not used for subjective appraisals, that is, guesses made by individuals of how long they will live.
These statistical estimates can concern the general population in a particular country, for instance, the life expectancy at birth in Denmark in 2008...
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Veenhoven, R. (2014). Quality-Adjusted Life Expectancy. In: Michalos, A.C. (eds) Encyclopedia of Quality of Life and Well-Being Research. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-0753-5_2386
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