Number of 3 to 21 year olds with intellectual disabilities served under the Individuals with Disabilities Education Act (IDEA) in the United States from 1990/91 to 2021/22
(in 1,000s)
Characteristic
Number of disabled youths in thousands
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The Individuals with Disabilities Education Act (IDEA) is a law that regulates the deliverance of services to children with disabilities throughout the United States.
Citation formats
Number of 3 to 21 year olds with intellectual disabilities, U.S. 1990-2022
In the academic year of 2021/22, there were approximately ** 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 ** individuals with intellectual disabilities served by IDEA.
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NCES. (February 28, 2023). Number of 3 to 21 year olds with intellectual disabilities served under the Individuals with Disabilities Education Act (IDEA) in the United States from 1990/91 to 2021/22 (in 1,000s) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 30, 2026, from /statistics/236305/number-of-disabled-youth-in-the-us/
NCES. "Number of 3 to 21 year olds with intellectual disabilities served under the Individuals with Disabilities Education Act (IDEA) in the United States from 1990/91 to 2021/22 (in 1,000s)." Chart. February 28, 2023. ÌÇÐÄÆƽâ°æ. Accessed July 30, 2026. /statistics/236305/number-of-disabled-youth-in-the-us/
NCES. (2023). Number of 3 to 21 year olds with intellectual disabilities served under the Individuals with Disabilities Education Act (IDEA) in the United States from 1990/91 to 2021/22 (in 1,000s). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 30, 2026. /statistics/236305/number-of-disabled-youth-in-the-us/
NCES. "Number of 3 to 21 Year Olds with Intellectual Disabilities Served under The Individuals with Disabilities Education Act (Idea) in The United States from 1990/91 to 2021/22 (in 1,000s)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 28 Feb 2023, /statistics/236305/number-of-disabled-youth-in-the-us/
NCES, Number of 3 to 21 year olds with intellectual disabilities served under the Individuals with Disabilities Education Act (IDEA) in the United States from 1990/91 to 2021/22 (in 1,000s) ÌÇÐÄÆƽâ°æ, /statistics/236305/number-of-disabled-youth-in-the-us/ (last visited July 30, 2026)
Number of 3 to 21 year olds with intellectual disabilities served under the Individuals with Disabilities Education Act (IDEA) in the United States from 1990/91 to 2021/22 (in 1,000s) [Graph], NCES, February 28, 2023. [Online]. Available: /statistics/236305/number-of-disabled-youth-in-the-us/
