The dataset supports a meta-analysis on the stability of retrospective self-reports of childhood maltreatment, comprising data from 46 studies with a total of 37,880 individuals followed for an average of 2.5 years. It includes the script and data extraction table used to conduct analyses for the associated paper, examining factors such as sample type, maltreatment type, and age group. The purpose is to investigate the reliability of memory stability in child maltreatment research.