LEI is 1 when Life expectancy at birth is 85 and 0 when Life expectancy at birth … Life Expectancy Tables Actuarial Life Tables. Use a calculator. This life expectancy calculator can give an idea of the life expectancy based on current age, smoking habits, gender and several other important lifestyle choices. This information has been provided by the US Census and Social Security Administration. It does not take into consideration any personal health information or lifestyle information. Life expectancy is a statistical measure of the average time an organism is expected to live. Life Expectancy Index Calculator. How do you measure Life Expectancy? Look at the figures for your birth date (ie, if you were born in 1941 and the average age of death for those born in 1941 is 76, then your average life expectancy is 76). Males are expected to live 75.92 years while women are expected to live 80.93 years. Sometimes referred to mortality tables, death charts or actuarial life tables, this information is strictly statistical. Life Expectancy in Other Countries. In 2012 the CIA Factbook claimed a 78.37 overall life expectancy at birth in the United States. Life Expectancy Index (LEI) is one of the indicators considered in the human development index of a country. The Life Expectancy Calculator can determine your longevity based on details determined by your lifestyle. Here is a table of life expectancy at birth based on UN data released in 2015. Our genetics, surroundings and habits are all factors which affect our Life Expectancy so find out how long you’re going to live with the Life Expectancy Calculator now!.