| − | Only one state legislature, Alabama, passed the gimmick of a "convention of states" as of May 23, 2015. Proposals for a convention of states failed in the following state legislatures in 2015:
| + | In the calendar year 2015, only one state legislature, Alabama, had passed the gimmick of a "convention of states" as of May 23, 2015. Proposals for a convention of states failed in the following state legislatures in 2015: |
| | :Arizona, Missouri, South Carolina, Montana, South Dakota, New Hampshire, Virginia, Utah, Indiana, West Virginia, Wyoming, Kentucky, North Dakota, Nevada, and Pennsylvania (no vote in Pennsylvania). | | :Arizona, Missouri, South Carolina, Montana, South Dakota, New Hampshire, Virginia, Utah, Indiana, West Virginia, Wyoming, Kentucky, North Dakota, Nevada, and Pennsylvania (no vote in Pennsylvania). |