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released: 15 Jan 1997 author: Wen X media release

People with intellectual disability represent a very significant client group of disability services, especially support services in Australia. This paper critically reviews some significant definitions of intellectual disability and attempts to quantify the size of this population group. It also aims to inform and stimulate discussion.

ISBN 978 0 642 24720 9; Cat. no. DIS 2; 76pp.; OUT OF PRINT

  • Publication

The Definition and Prevalence of Intellectual Disability in Australia

Full publication (352K PDF)

  • Preliminary material (30K PDF)
    • Title page and verso
    • Contents
    • List of tables
    • List of figures
    • Summary (HTML)
    • Acknowledgements
  • Chapters
    1. Introduction (6K PDF)
    2. An overview of existing definitions and classifications (112K PDF)
    3. A review of existing estimates of prevalence (161K PDF)
    4. Discussion (19K PDF)
  • End matter (39K PDF)
    • References
    • Appendixes
      • Appendix A: Definition and examples of 'intensities of support'
      • Appendix B: WHO ICD-10 Classification of mental retardation
      • Appendix C: WHO ICIDH Classification of Intellectual Impairments
      • Appendix D: Appendix tables

Recommended citation

Wen X 1997. The definition and prevalence of intellectual disability in Australia. Cat. no. DIS 2. Canberra: AIHW.