The Show-Me State clocked in with an obesity rate of 30.3 percent. Kansas rolled in one spot behind Missouri, tying Ohio for 13th place with an adult obesity rate of 29.6 percent. Mississippi clocked in with the highest rate in the nation at 34.9 percent. Missouri and Kansas are eating their way toward a top-10 ranking. Unlike the Olympics, this is one contest where you'd rather finish off the podium.