Texas and Missouri both performed ten executions in 2014. The U.S. government and military also enforce death penalties. Since 1976, 1,427 executions in the country have been undertaken through lethal injections . The United States is one of the countries around the world still using capital punishment. It is estimated that China executed several thousand prisoners in 2014, while Iran executed approximately 300 people . Some 60 percent of U.S. citizens stated that they thought capital punishment was morally acceptable . About 35 percent of death penalty supporters reasoned that this form of punishment was “an eye for an eye” due to the crime while 14 percent of supporters believed that the death penalty could save taxpayers money due to costs associated with prisons. In general, most states require some form of first-degree murder as the crime that is punishable by death. However, 40 percent of denouncers of the death penalty stated that it was wrong to take a life, while 17 percent reasoned that the persons may be wrongly convicted. Support for capital punishment reached a peak in 1991 at 76 percent of the population agreeing.