According to the National Health and Nutrition Examination Survey (NHANES) data from 2017-2018, nearly 1 in 3 adults (30.7%) in the United States are overweight, and more than 2 in 5 adults (42.4%) have obesity (including severe obesity) . Another source, the Centers for Disease Control and Prevention (CDC), reports that the US obesity prevalence was 41.9% in 2017-March 2020. The CDC also reports that 73.6% of adults aged 20 and over have overweight, including obesity, according to data from 2017-2018. A study by the Food Research & Action Center indicates that 39.6% of U.S. adults are obese, while another 31.6% are overweight, and 7.7% are severely obese. Healthline reports that it is estimated that a little over 42% of American adults have obesity, while about 30.7% are overweight.
In summary, the percentage of Americans who are overweight or have obesity varies slightly depending on the source, but all sources agree that the rates are high. According to the most recent data, nearly 1 in 3 adults are overweight, and more than 2 in 5 have obesity.
