More than one in eight residents - 13 percent - smoke marijuana on a monthly basis, despite the fact that Rhode Island is the nation's smallest state. Nearly 10 percent of Massachusetts residents used the drug, according to the survey.
The Ocean State boasts smokers that partake in more than three times the rate in Kansas, where only 4 percent of residents regularly indulge, according to the survey.
The national average was about 7 percent.
The survey also showed that 18 to 25-year-olds use marijuana the most, with nearly 19 percent of that group having imbibed marijuana in the past month.