According to the latest data, West Virginia's adult obesity rate is tied with Mississippi for the highest in the country at 35.1%. Colorado has the lowest rate at 21.3 percent.
The annual report is produced by the Robert Wood Johnson Foundation and the Trust for America's Health.
In addition to being the most obese state, West Virginia is also the state with the highest percentage of people who do not exercise.
Among high schoolers, West Virginia ranks sixth, with 13 percent of those students obese.