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Substantial progress has been made towards worldwide abolition of capital punishment, and there are good reasons to believe that more progress is possible. Since 2000, the pace of abolition has slowed, but by several measures the number of executions in the world has continued to decline. Several causes help explain the decline, including political leadership from the front and an increased tendency to regard capital punishment as a human rights issue rather than as a matter of domestic criminal justice policy. There are significant obstacles in the movement to eliminate state killing in the world, but some strategies could contribute to additional decline in the years to come.
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David T. Johnson (2019) studied this question.
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