Life Expectancy 2024 Australia By Age. Life expectancy is an estimate of the average number of years a baby born in a given year might expect to live, assuming death rates at that time hold constant. Humanity is hitting the upper limit of life expectancy, according to a new study.
These tables help the government, superannuation entities and insurers plan for what is needed in the future. Medical breakthroughs, public health achievements and better diets led to steep increases in global life expectancy in the 1800s and 1900s.