Life expectancy is a good measure of a population’s longevity and general health. It is highly dependent on infant mortality rates and all-cause death rates. Although the overall U.S. average life expectancy at birth has been steadily increasing, there are great variations in life expectancy between racial and ethnic groups. In addition, great variations in life expectancy exist worldwide. These variations are mostly caused by differences in public health infrastructure, medical care, and diet.
This indicator shows the total number of years a person can be expected to live if current mortality rates continue to apply.