International Human Development Indicators

http://hdrstats.undp.org/en/indicators/69206.html

Life expectancy at birth (years)

Number of years a newborn infant could expect to live if prevailing patterns of age-specific mortality rates at the time of birth stay the same throughout the infant’s life.

Source: UNDESA (2011).

Data in the tables are those available to the Human Development Report Office as of 15 May 2011, unless otherwise specified.