"Pakistan's use of the death penalty has failed to deter crime, is not being used to curb terrorism and is... used as a political tool, even sometimes as an overcrowding solution," said the JPP report.
The use of the death penalty was resumed following a deadly Taliban attack on a school in Peshawar in December 2014 in which more than 150 people - mostly children - were killed in Pakistan's deadliest-ever such assault.
Pakistan lifted its moratorium on executions following the attack and JPP said the country has since become "the fifth most prolific executioner in the world, following China, Iran, Saudi Arabia and Iraq".
The report questioned the effectiveness of the death penalty in cutting serious crime. "Murder rates in Pakistan were already in decline before the moratorium was lifted, casting even more doubt on the already dubious relationship between the death penalty and reducing crime," the report stated.
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