Published Reports

The Residential Information Systems Project is a longitudinal study of trends in residential service setting types, setting sizes, funding authorities, and expenditures for persons with intellectual and developmental disabilities in the United States. The most recent report uses data from FY2014.

Below is a list of published RISP reports downloadable in Adobe Acrobat format.

Current RISP Annual Report:4.7 million people in the United States had Intellectual or Developmental Disabilities (IDD) in 2014. 30% (1,374,398 people with IDD) were known to or served by state IDD agencies.

  • Status and Trends through 2014 (2017) PDF (10.4 MB) is the current RISP annual report using data for the fiscal year ending on June 30, 2014.

    One page Infographics from the Status and Trends through 2014 report:
    • How many people with IDD lived in the U.S. and how many received IDD services? (Prevalence PDF 433 KB)
    • Where do people served by state IDD agencies live? (LTSS PDF 263 KB)
    • How many people with IDD received Medicaid Home and Community Based (HCBS) Waiver funded services in 2014? (Waiver PDF 198 KB)
    • How many people with IDD received Medicaid Intermedicate Care Facilities for Individuals with Intellectual Disabilities (ICF/IID) funded services in 2014? (ICF PDF 196 KB)
    • How many people lived in state-operated IDD facilities by size in 2014? (State-operated PDF 300 KB)
    • How have the sizes of places in which people with Intellectual and Developmental Disabilities (IDD) live changed? (Non-family Settings Over time PDF 187 KB)

Report Archives:

NOTE: The files below are scanned hard copies of original RISP reports. Therefore, it is not possible to search or copy and paste content as with the files above. If you need information from these reports in another format, please contact: Sheryl Larson at

Other Reports

Historical Reports

Conference Presentations