| Election Date | State | Title | Outcome |
|---|---|---|---|
| Oct. 24, 2015 | Louisiana | Act No. 472: Proposed Amendment No. 3 | Failed |
| Oct. 24, 2015 | Louisiana | Act No. 470: Proposed Amendment No. 4 | Passed |
| May 5, 2015 | Michigan | State Proposal - 15-1: Constitutional Amendment: Increase the Sales/Use Tax | Failed |
| Nov. 3, 2015 | Texas | HJR 75: Proposition 2 | Passed |
| Nov. 3, 2015 | Texas | SJR 1: Proposition 1 | Passed |
| Nov. 3, 2015 | Texas | SJR 5: Proposition 7 | Passed |
| Nov. 3, 2015 | Washington | : Advisory Vote No. 10 | Failed |
| Nov. 3, 2015 | Washington | : Advisory Vote No. 11 | Failed |
| Nov. 3, 2015 | Washington | : Advisory Vote No. 12 | Passed |
| Nov. 3, 2015 | Washington | : Advisory Vote No. 13 | Passed |
| Nov. 3, 2015 | Washington | : Initiative Measure No. 1366 | Passed |