The Treasury Department works with other federal agencies, foreign governments, and international financial institutions to encourage global economic growth, raise standards of living, and to the extent possible, predict and prevent economic and financial crises.
â¢ Get a life. In one study of healthy men and women with an average starting age of 71, Butler found the highest survival rates in those who had something to get up for in the morning, whether it was a job or a golf date.
According to historical mortality levels from the Encyclopaedia of Population (2003), average life expectancy for prehistoric humans was estimated at just 20 â 35 years; in Sweden in the 1750s it was 36 years; it hit 48 years by the 1900s in the USA; and in 2007 in Japan, average life expectancy was 83 years.