Objective: The aim of this study was to estimate the prevalence of elder abuse and neglect in Iran. Methods: We searched PubMed, Embase, Scopus, and PsycINFO by the end of 2017. The prevalence was calculated based on the percentage or the amount reported in the studies. Heterogeneity was assessed by the I2 statistic, and the data were combined using random effects model. The results were reported as the pooled ...