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By definition, life expectancy is based on an estimate of the average age that members of a particular population group will be when they die. In practice, however, things are often more complicated: One important distinction and clarification is the difference between cohort and period life expectancy.
Human life expectancy is a statistical measure of the estimate of the average remaining years of life at a given age. The most commonly used measure is life expectancy at birth (LEB, or in demographic notation e0, where ex denotes the average life remaining at age x). This can be defined in two ways.
Life expectancy, estimate of the average number of additional years that a person of a given age can expect to live. It is a hypothetical measure. Life expectancy assumes that the age-specific death rates for the year in question will apply throughout the lifetime of individuals born in that year.
The meaning of LIFE EXPECTANCY is the average lifespan of an individual. How to use life expectancy in a sentence.
Woolf: When we saw life expectancy flatlining in the decade prior to the pandemic, that was a very important warning for policymakers that something needed to be done to address the root causes or ...
Life expectancy definition: the probable number of years remaining in the life of an individual or class of persons determined statistically, affected by such factors as heredity, physical condition, nutrition, and occupation.. See examples of LIFE EXPECTANCY used in a sentence.
Life expectancy is a statistical estimate of the average number of years a person is expected to live , based on actuarial data. There are many uses for life expectancy in the financial industry ...
LIFE EXPECTANCY definition: 1. the length of time that a living thing, especially a human being, is likely to live: 2. the…. Learn more.
Life expectancy refers to the average number of years an individual is expected to live. It can be affected by that person’s family and health history, genetics, environment, lifestyle factors such as diet, and even age and sex. Life expectancy also can refer to the average number of years a group of people or a specific population is ...
Definition of life expectancy noun from the Oxford Advanced Learner's Dictionary. life expectancy ... Life expectancy for both men and women has improved greatly in the past 20 years. Women have a longer life expectancy than men. The life expectancy of a large bus is about 15 years.