On this page:
This content describes the prevalence of overweight and obesity in the United States.
Defining Overweight and Obesity
A person whose weight is higher than what is considered as a normal weight adjusted for height is described as being overweight or having obesity.1
According to data from the National Health and Nutrition Examination Survey (NHANES), 2013–20142,3,4,5
- More than 1 in 3 adults were considered to be overweight.
- More than 2 in 3 adults were considered to be overweight or have obesity.
- More than 1 in 3 adults were considered to have obesity.
- About 1 in 13 adults were considered to have extreme obesity.
- About 1 in 6 children and adolescents ages 2 to 19 were considered to have obesity.
Using Body Mass Index (BMI) to Estimate Overweight and Obesity
BMI is the tool most commonly used to estimate and screen for overweight and obesity