What is the healthiest state in the USA? For the fifth straight year, the winner is … Hawaii, according to America's Health Rankings. The Aloha State snagged the top spot for its low rates of uninsured people and obesity, though it scores above average for excessive drinking, reports USA Today. In last place was Mississippi, which fell the only place it had to go from No. 49 last year, faulted for problems including widespread childhood poverty, low birthweight, and smoking. (Iowa, at No. 17, was the most improved state.) The annual ranking relies on CDC data on a range of health and well-being measures. Here are the top five: