The health risks associated with obesity make reducing the high prevalence of obesity a public health priority. Previous publications have shown both racial and ethnic disparities in obesity prevalence and no change in the prevalence of obesity among adults since 2003–2004. National obesity prevalence estimates for non-Hispanic Asian persons are possible for the first time, using newly available data. This report presents national estimates of obesity among adults in the United States in 2011–2012, based on measured weight and height.