Overweight & Obesity Statistics
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 in adults and children. BMI is defined as weight in kilograms divided by height in meters squared. For most people, BMI is related to the amount of fat in their bodies, which can raise the risk of many health problems. A health care professional can determine if a person’s health may be at risk because of his or her weight.
The tables below show BMI ranges for overweight and obesity.
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Shared from: niddk.nih.gov