Oklahoma's botched execution of Clayton Lockett has renewed debate about how, and whether, the U.S. should impose the death penalty.
Use this interactive to see how many executions have occurred in each state in a given year or overall since 1977, the year after the Supreme Court reaffirmed its approval of the death penalty.
While a majority of U.S. adults still support the death penalty for persons convicted of murder, public support for capital punishment has been ticking downward for the past two decades.
Over the past half-century, public support for the death penalty has generally tracked increases and declines in rates of violent crime.
More than half of Americans favor the death penalty for persons convicted of murder, down from 78% in 1996.