| Election Date | State | Title | Outcome |
|---|---|---|---|
| Nov. 2, 2010 | Missouri | Proposition A: Earnings Taxes in Certain Cities | Passed |
| Nov. 2, 2010 | Missouri | Constitutional Amendment 3: Real Estate Taxes | Passed |
| Nov. 6, 2012 | Missouri | Proposition E: Relating to State-Based Health Insurance Exchanges | Passed |