Define Life Expectancy at Life

Define Life Expectancy. 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. Life expectancy is the key metric for assessing population health.

Life expectancy, estimate of the average number of additional years that a person of a given age can expect to live. Life expectancy is the age a person can expect to live based on the statistical average for an area. Life expectancy is the average length of time that an individual in society will live, whereas life span is the actual length of time that a specific individual lives.

Human Longevity by Justin Miller

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. What does life expectancy mean? Public health officials collect and share vital statistics data, which researchers and analysts use to. Life expectancy is the key metric for assessing population health.