Louisiana has the 4th highest adult obesity rate in the U.S., according to The State of Obesity. Its adult obesity rate is currently 34.9 percent, up from 22.6 percent in 2000 and from 12.3 percent in 1990. There is no data on its current high school obesity rate but, according to the CDC, 15.5 percent of 2- to -5-year-old are overweight and 12.5 percent are obese. WalletHub puts Louisiana at No. 2 in the obesity & overweight and unhealthy habits & consequences categories.