Life expectancy - country data from around the world:
The average for 2014 was 71.37 years.
The highest value was in Hong Kong: 83.98 years and the lowest value was in Swaziland: 48.93 years.
Below is a chart for all countries where data are available for: Life expectancy.
World bank definition: Life expectancy at birth indicates the number of years a newborn infant would live if prevailing patterns of mortality at the time of its birth were to stay the same throughout its life.