58% Back Legal Marijuana Use October 21, 2015 · Leave a Comment A majority of Americans continue to say marijuana use should be legal in the United States, with 58% holding that view, tying the high point in Gallup’s 46-year trend. CONT. Jeffrey M. Jones, Gallup Share:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to email a link to a friend (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pinterest (Opens in new window)MoreClick to print (Opens in new window)