| Election Date | State | Title | Outcome |
|---|---|---|---|
| Nov. 2, 2010 | Arizona | Proposition 113: Proposed Amendment to the Constitution by the Legislature Relating to the Right to Vote a Secret Ballot Regarding Employee Representation | Passed |
| Nov. 2, 2010 | South Carolina | Amendment 2: Secret Union Voting | Passed |
| Nov. 2, 2010 | South Dakota | Constitutional Amendment K: An Amendment to Article VI of the South Dakota Constitution Relating to the Right of Individuals to Vote by Secret Ballot | Passed |
| Nov. 2, 2010 | Utah | Constitutional Amendment A: Joint Resolution Regarding Secret Ballot | Passed |