Facts & Figures

Some Facts Regarding Autism

  • Features of autism usually appear during the first three years of life.
  • Autism affects 1 in 44 births of all racial, ethnic and social backgrounds.
  • Autism is four times more common in males than females.
  • Approximately 75% of autistic children are mentally retarded.
  • Females with autism exhibit more severe mental retardation.
  • About one in four individuals with autism develop seizures – it can also occur with other conditions such as deafness, Down Syndrome and Fragile X Syndrome.
  • People with autism vary widely in abilities, intelligence levels and behavioural characteristics.