FY 2018 RISP Infographics
How many people in the United States have IDD?
There were 7.43 million people with an intellectual or developmental disability in the United States in 2018. Of those, 20% or 1.55 million people were known to their state developmental disabilities agency. 18% or 1.31 million people received at least one long-term support or service in addition to case management.
Note: US prevalence estimates for adults are from 1994/95 National Health Interview Survey (NHIS) Disability Supplement. Prevalence (Larson, et al., 2001). Estimates for children are from the 2016 NHIS (Zablotsky et al., 2017).
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Cite as: Residential Information Systems Project (year). [Page Name]. Minneapolis: University of Minnesota, RISP, Research and Training Center on Community Living, Institute on Community Integration. Retrieved from: https://risp.umn.edu.)