Adult obesity prevalence in Canada and the United States Obesity has been described as a global epidemic. It has been linked to cancer. Accurate surveillance of obesity trends is an important step in opportunity to compare rates of obesity among adults in Canada and the In 2007 to 2009, the prevalence of obesity in Canada was 24.1%, over 10 Among men, the prevalence of obesity was over 8 percentage points lower Prevalence of obesity in adults aged 20 to 79, by sex: Canada, 2007 to 2009 Chart 1 Prevalence of obesity in adults aged 20 to 79, by sex: Canada, Obesity class estimates do not sum to exact totals due to rounding. of body mass index (BMI), obesity is divided into three categories. In Rising obesity prevalence in men and women Between the late 1980s and today, the prevalence of obesity increased obesity increased 17 percentage points in Canada and approximately 18 In 2007 to 2009, the prevalence of obesity among young and middle-aged the United States. Among the heaviest (class III obesity), however, the The difference in obesity prevalence is smaller when non-Hispanic white black or Hispanic. Obesity prevalence is higher in these groups than it group is East/Southeast Asian for whom obesity prevalence is lower. male and female adults aged 20 and over, obesity class I was defined as a BMI of 30.0 to 34.9 kg/m^2; obesity class II was defined as a BMI of 35.0 to 39.9 kg/m^2; and obesity class III was defined as a BMI of 40.0 The full article on adult obesity prevalence in Canada and the Unites