Definitions from U.S. Dept of Commerce


From Census Brief, December 1997
  • someone living with a disability
    • has difficulty performing certain functions, or
    • has difficulty performing activities of daily living, or
    • has difficulty with certain social roles.
  • someone living with a severe disability
    • is unable to perform one or more activities, or
    • uses an assistive device to get around, or
    • needs assistance from another person to perform basic activities