Age at first autism disorder diagnosis among U.S. children aged eight by subtype 2020
Children aged eight years with an autism spectrum disorder diagnosis and an IQ of less than or equal to 70, indicating a co-occurring intellectual disability, had a median initial diagnosis age of 48 months in the state of Georgia. Autism spectrum disorder is a developmental disability characterized by deficits in social communication and interaction as well as repetitive behavior, interest, or activity patterns. This statistic shows the median age at the first autism diagnosis among U.S. children aged eight years in selected U.S. states by subtype in 2020.