Percentage of obese U.S. adults by state 2018

West Virginia, Mississippi, and Oklahoma are the U.S. states with the highest percentage of their population who are obese. The states with the lowest percentage of their population who are obese include Colorado, Hawaii, and California. It is estimated that around 31 percent of the entire U.S. population is obese.

Obesity in the United States

Obesity is a growing problem in many countries around the world, but the United States has the highest rate of obesity among all OECD countries. The prevalence of obesity in the United States has risen steadily over the previous two decades with no signs of declining. Obesity in the U.S. is more common among women than men and overweight and obesity rates are higher among African Americans than any other race or ethnicity.

Causes and health impacts

Obesity is most commonly the result of a combination of poor diet, overeating, physical inactivity, and a genetic susceptibility. Obesity is associated with various negative health impacts including an increased risk of cardiovascular diseases, certain types of cancer, and diabetes type 2. As of 2017, a shocking 9.4 percent of the U.S. population had been diagnosed with diabetes. Diabetes is currently the seventh leading cause of death in the U.S.

Percentage of adults with obesity in the United States as of 2018, by state

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Release date

December 2018


United States

Survey time period


Supplementary notes

Percentage of adults who are obese, with a body mass index (BMI) of 30.0 or higher.

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Statistics on "Health in U.S. states"

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