DEFINITION of 'Metrics'. Parameters or measures of quantitative assessment used for measurement, comparison or to track performance or production. Analysts use metrics to compare the performance of different companies, despite the many variations between firms. Next Up.
[4] Although 31 states still retain the death penalty, only 7 of them actually carried out executions in 2014. [5] Twenty-six states have carried out executions during the last ten years; [6] the remaining 7 states, the U.S. Federal Government, and the U.S. Military are de facto abolitionist by U.N. standards.
In fact, of the fourteen states that have at one time or another abolished the death penalty, murder has increased by seven percent. Likewise, a study by Stephen K. Layton at the University of North Carolina at Chapel Hill showed that each execution in the United States deters an average of eighteen murders (Lowe).