Farming is one of the most dangerous occupations in the United States according to government statistics and most of the fatalities in farming operations occur in conjunction with the operation of farm tractors.  Overturns have the highest fatality rate for unintentional tractor injures occurring on the farm,according to reports from 29 states covering more than 66 percent of the tractors in U.S. overturns accounted for 55 percent of all on-the-farm tractor fatalities reported, with an annual rate of 4.1 deaths per 100,000 tractors.