Life expectancy at birth (years)

The average number of years that a newborn could expect to live, if he or she were to pass through life exposed to the sex- and age-specific death rates prevailing at the time of his or her birth, for a specific year, in a given country, territory, or geographic area.

Final estimates of age-sex-specific mortality rates for years 1990-2019 were used to compute abridged life tables for 183 WHO Member States with population of 90,000 or greater in 2019. Life expectancies at birth are reported in World Health Statistics 2019 and full life tables are available in the WHO Global Health Observatory
WHO applies standard methods to the analysis of Member State data to ensure comparability of estimates across countries. This will inevitably result in differences for some Member States with official estimates for quantities such as life expectancy, where a variety of different projection methods and other methods are used. These WHO estimates of mortality and life expectancies should not be regarded as the nationally endorsed statistics of Member States, which may have been derived using alternative methodologies and assumptions.

Final estimates of age-sex-specific mortality rates for years 1990-2019 were used to compute abridged life tables for 183 WHO Member States with population of 90,000 or greater in 2019. Life expectancies at birth are reported in World Health Statistics 2019 and full life tables are available in the WHO Global Health Observatory WHO applies standard methods to the analysis of Member State data to ensure comparability of estimates across countries. This will inevitably result in differences for some Member States with official estimates for quantities such as life expectancy, where a variety of different projection methods and other methods are used. These WHO estimates of mortality and life expectancies should not be regarded as the nationally endorsed statistics of Member States, which may have been derived using alternative methodologies and assumptions.