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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.
COVID-19 had such a large impact on U.S. life expectancy over the past few years. What does life expectancy tell us about longer-term health trends absent events like an infectious disease...
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.
The meaning of LIFE EXPECTANCY is the average lifespan of an individual. How to use life expectancy in a sentence.
Life expectancy is a statistical prediction of how long a person will live. Based on actuarial science, life expectancy takes into account several individual-level and...