Thirteen states now have adult obesity rates above 30 percent, 41 states have rates of at least 25 percent, and every state is above 20 percent, according to the report. In 1980, no state was above 15 percent; in 1991, no state was above 20 percent; in 2000, no state was above 25 percent; in 2007, only Mississippi was above 30 percent.*