Sitting for more than three hours per day is responsible for nearly four percent of deaths in the world shows an analysis of surveys from 54 countries around the world. Reducing sitting time to less than three hours per day would increase life expectancy by an average of 0.2 years the researchers estimated. In order to properly assess the damaging effects of sitting the study analysed behavioural surveys from 54 countries around the world and matched them with statistics on population size actuarial table and overall deaths. Researchers found that sitting time significantly impacted all-cause mortality accounting for approximately 433000