| Election Date | State | Title | Outcome |
|---|---|---|---|
| Nov. 6, 2012 | Arkansas | Issue No. 5: The Arkansas Medical Marijuana Act | Failed |
| Nov. 6, 2012 | Colorado | Amendment 64: Use and Regulation of Marijuana | Passed |
| Nov. 6, 2012 | Massachusetts | Question 3: Medical Use of Marijuana | Passed |
| Nov. 6, 2012 | Montana | Initiative Referendum No. 124: Montana Marijuana Act | Passed |
| Nov. 6, 2012 | Oregon | Measure 80: Allows Personal Marijuana, Hemp Cultivation/Use Without License; Commission to Regulate Commercial Marijuana Cultivation/Sale | Failed |
| Nov. 6, 2012 | Washington | Initiative 502: Concerning the Legalization of Marijuana | Passed |