| Methods of Execution | Method | States |
| Electrocution | Electrocution is sent through the inmates body, which then induces cardiac arrest. | Alabama, Arkansas, Florida Georgia, Kentucky, Nebraska Ohio, Oklahoma, South Carolina, Tennessee, Virginia. |
| Lethal Injection | A combination of chemicals is sent in to a intravenous drip | Arizona, Arkansas,
California, Colorado, Connecticut,
Delaware, Idaho, Illinois, Indiana, Kansas, Kentucky, Louisiana, Maryland, Mississippi, Missouri, Montana, Nevada, New, Hampshire, New Jersey, New Mexico, New York, North Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, South Carolina, South Dakota, Tennessee, (starting Jan 1, 1999) Texas , Utah, Virginia, Washington, Wyoming U.S. Military, U.S. Government. |
| Gas Chamber | The inmate is strapped into a chair and is in a concealed chamber while gas is pumped into the room. | Arizona, California, Maryland, Missouri, Wyoming. |
| Hanging | The inmate has a rope tied around his neck and falls through a trap door. | Delaware, New Hampshire, Washington. |
| Firing Squad | The inmate is shot by executioners. | Idaho, Oklahoma, Utah. |