Life Expectancy of the World PopulationLife expectancy at birth. Data based on the latest United Nations Population Division estimates. Show See also: Countries in the world ranked by Life Expectancy Both Sexes 73.2 years (life expectancy at birth, both sexes combined) Females 75.6 years (life expectancy at birth, females) Males 70.8 years (life expectancy at birth, males) Countries ranked by life expectancy(click on a country for more details)
Is life expectancy an average?Life expectancy is the average. In societies with high infant mortality rates many people die in the first few years of life; but once they survive childhood, people often live much longer.
What is the term for the average length of life for a given group of people born in a specific year?The most common measure of life expectancy is life expectancy at birth. Life expectancy is a hypothetical measure. It assumes that the age-specific death rates for the year in question will apply throughout the lifetime of individuals born in that year.
What is the best definition of life expectancy?Life Expectancy. Life expectancy tells us the average number of years of life a person who has attained a given age can expect to live. Life expectancy estimates from the National Center for Health Statistics provide a reliable snapshot of population health and mortality in the United States.
What is cohort life expectancy?Cohort life expectancy (ex) is the average number of additional years a person would live considering assumed future changes in mortality for their cohort over the remainder of their life.
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