Mississippi is one of the most obese states in every category, regardless of study. It ranked in the Top 3 in all of them. The State of Obesity placed it 3rd with 35.5 percent of adults being obese. The state has the highest number of obese children in high school – 18.9. The trend was going down after 1999 but spiked back up in 2013 and has been higher since. WalletHub ranks Mississippi at the very top in obesity and overweight prevalence.