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THE SPATIAL UNITS
Delimitation of Remoteness Areas
The delimitation criteria for RAs are based on the Accessibility/Remoteness Index of Australia (ARIA) developed by the Commonwealth Department of Heath and Aged Care (DHAC) and the National Key Centre For Social Applications of GIS (GISCA). ARIA measures the remoteness of a point based on the physical road distance to the nearest Urban Centre in each of five size classes. For more information on how ARIA is defined see the Information Papers: ABS Views on Remoteness, 2001 (cat. no. 1244.0) and Information Paper: Outcomes of ABS Views on Remoteness Consultation, Australia, Jun 2001 (cat. no. 1244.0.00.001). Also refer to Census Geography Paper (cat. no. 03/01), ASGC Remoteness Classification: Purpose and Use, available from the ABS web site.
RAs are identified by unique one-digit codes within each state/territory. For unique Australia-wide identification, each RA must be used in conjunction with the S/T code.
See Chapter 2.