Intellectual Disabilities Affect 10 of Every 1,000 People Worldwide

Share Intellectual disabilities affect an estimated 60 million people worldwide. The estimated prevalence rate, developed through a meta-analysis of 52 international studies, is 10.37 per 1,000 people, or one percent of the world's more than six billion population. For the purpose of this study, intellectual disabilities was defined as any condition of arrested or incomplete development of the mind that result in impaired cognitive, language, motor, or social abilities. The prevalence rate in low and middle income countries (16.41 and 15.94 per 1,000 respectively) was nearly double the 9.21 per 1,000 . . .