NGO report

Immature Minds in a ​“Maturing Society”: Roper v. Simmons at 20

By Death Penalty Information Center, on 30 April 2025

Clemency

Death Row Conditions

Drug Offenses

Innocence

Intellectual Disability

Juveniles

Mental Illness

Trend Towards Abolition


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Twenty years after Roper v. Simmons ended the juvenile death penalty, new scientific and societal insights challenge the age-18 cutoff. This report introduces new DPI analysis of the trends in sentencing and executions of defendants age 18 to 20 based on twenty years of data, from the time of the Roper decision on March 1, 2005 through the end of 2024.

  • Document type NGO report
  • Countries list United States
  • Themes list Clemency / Death Row Conditions / Drug Offenses / Innocence / Intellectual Disability / Juveniles / Mental Illness / Trend Towards Abolition



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