Number of 3 to 21 year olds with intellectual disabilities, U.S. 1990-2022
Published by
In the academic year of 2021/22, there were approximately 426,000 people aged between 3 and 21 years old with intellectual disabilities in the United States who were covered by the Individuals with Disabilities Education Act (IDEA). This is a slight decrease from the previous year, when there were 429,000 individuals with intellectual disabilities served by IDEA.
