
Of those respondents who supported legalizing marijuana, 43 percent endorsed imposing regulations with regard to how the substance is sold. Thirty-three percent opposed any regulation of the plant, and 24 percent said that it should be legal, but only for medicinal purposes.
Support for amending marijuana prohibition was highest among younger adults (those age 18 to 29) and Democrats.
The AP poll possesses a margin of error of +/- 3.9 percent.
Source: http://www.norml.org