About 1 in 68 children has been identified with autism spectrum disorder (ASD) according to estimates from CDC’s Autism and Developmental Disabilities Monitoring (ADDM) Network.

  • ASD is reported to occur in all racial, ethnic, and socioeconomic groups.
  • ASD is almost 5 times more common among boys (1 in 42) than among girls (1 in 189).
  • Studies in Asia, Europe, and North America have identified individuals with ASD with an average prevalence of about 1%. A study in South Korea reported a prevalence of 2.6%.
  • About 1 in 6 children in the United States had a developmental disability in 2006-2008, ranging from mild disabilities such as speech and language impairments to serious developmental disabilities, such as intellectual disabilities, cerebral palsy, and autism.

Prevalence of Autism Spectrum Disorder Among Children Aged 8 Years — Autism and Developmental Disabilities Monitoring Network, 11 Sites, United States, 2010
Surveillance Summaries March 28, 2014 / 63(SS02);1-21 http://www.cdc.gov/mmwr/preview/mmwrhtml/ss6302a1.htm?s_cid=ss6302a1_w

Source: Centers for Disease Control – CDC – Data and Statistics http://www.cdc.gov/ncbddd/autism/data.html

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