Mental Retardation Statistics

(Also Known As: Retardation Statistics, Down Syndrome Statistics, Learning Disability Statistics, Mentally Retarded Statistics, Borderline Mental Retardation Statistics, Autism Mental Retardation Statistics)

(Reviewed by: Paul Peterson, Licensed Therapist)

Prevalence and Incidence of Mental Retardation

Mental retardation is the most common developmental disorder and is the leading chronic condition which results in the major activity restrictions among individuals in the United States. National and state surveillance efforts to determine the prominence of mental retardation can help in targeting specific areas of needs as well as allocation of resources 8.

In 1993, approximately 1.5 million individuals from 6 to 64 years old in the United States suffered from mental retardation and the overall prevalence was 7.6 cases per 1000 individuals. Among the different American states, Alabama, Kentucky, Mississippi, and Tennessee were the four leading states with West Virginia completing the top five. In the majority of the states, the mental retardation rate for was greater in children than in adults.

Could You Have Mental Retardation?

Mental Retardation Topics

Related Conditions

Asperger's Syndrome – restricted social interaction, repetitive behavior, non-verbal communication deficit, lacking empathy, clumsiness
Attention Deficit Hyperactivity Disorder – neurobehavioral developmental disorder, inattention, impulsiveness, hyperactivity, chronic childhood disorder
Autism – impaired social interaction, communication deficit, brain developmental disorder
Childhood Disintegrative Disorder – developmental delay in language, motor skills and social function, autism, delayed motor skills
Learning Disorders – delayed development of functional skills, difficulty in organization of thoughts, academic skill deficits
Rett's Disorder – cognitive impairment, reduced socialization skills, lack of social interest
Selective Mutism – reluctant to speak even with speech ability, anxiety, autism, Asperger’s Syndrome