This report considers data collected as part of the Commonwealth State/Territory disability Agreement National Minimum Data Set (CSTDA NMDS) between 1 July 2005 and 30 June 2006. It provides information relating to funded service outlets and users of these services, including support needs of users and informal carer arrangements. Disability support services 2005-06 reports on data collected as part of the Commonwealth State/Territory disability Agreement National Minimum Data Set (CSTDA NMDS) between 1 July 2005 and 30 June 2006. The NMDS provides information relating to CSTDA funded service outlets and users of these services, including support needs of users and informal carer arrangements. Trends in data over the past three years are presented, describing changes in the profile of CSTDA service users during that period. This report includes for the first time a special chapter focusing on service users with Autism, their service use and characteristics in comparison with other service users during 2005-06.