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Data Hub/Population & births/Life expectancy at birth
years · World Bank

Life expectancy at birth

Average number of years a newborn would live if prevailing patterns of mortality at the time of birth stayed the same throughout life.

Methodology & source

How this is measured.

Definition

Average number of years a newborn would live if prevailing patterns of mortality at the time of birth stayed the same throughout life.

Calculation

Calculated from age-specific mortality rates in life tables. Compiled from national statistical offices, UN Population Division, and Census Bureau international database.

Primary source
World Bank · SP.DYN.LE00.IN
License: CC BY 4.0
View source
Update frequency

Annual

Caveats

A summary measure — does not describe any actual cohort. Sensitive to infant mortality. May lag where vital registration is incomplete.

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