According to a study in The Journal of the American Medical Association (JAMA), in 2008, the obesity rate among adult Americans was.
The prevalence of obesity was 39.8% and affected about 93.3 million of US adults in 2015~2016. [Read CDC National Center for Health Statistics (NCHS) data.
Describes the prevalence of overweight and obesity among adults in the United States by providing The Journal of the American Medical Association. 2016.