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1270.0.55.002 - Australian Statistical Geography Standard (ASGS): Volume 2 - Indigenous Structure, July 2011  
Latest ISSUE Released at 11:30 AM (CANBERRA TIME) 20/09/2011  First Issue
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Contents >> Indigenous Structure >> Indigenous Regions (IREG)

INDIGENOUS REGIONS (IREG)

Indigenous Regions (IREGs) are large geographical units loosely based on the former Aboriginal and Torres Strait Islander Commission boundaries. They are created by aggregating one or more IAREs. The greater population of IREGs enables the highest level of granularity of attribute data through greater cross classification of variables compared with IAREs and ILOCs. For the 2011 Census 57 IREGs are defined to cover the whole of geographic Australia. IREGs do not cross S/T borders.

There are non-spatial IREGs for Migratory - Offshore - Shipping and No Usual Address in each S/T.


IREG NAMES

IREG Names are allocated by ABS and are generally based upon a commonly identified name or combination of names for the area/community which the boundary encompasses.


IREG CODING STRUCTURE

IREGs are sorted alphabetically by name within each S/T then allocated a two-digit code starting from 01. This is prefixed by a single digit S/T code to complete the IREG code.

Special purpose codes are included as balancing items. SA1s allocated to these codes are not part of any official IREG

  • Codes ending in 94 are reserved for cases where people are coded to No Usual Address SA1s.
  • Codes ending in 97 are reserved for cases where people are coded to Migratory, Offshore and Shipping SA1s.

Example:

S/T Name S/T Code IREG Code IREG Name

Victoria 2 201 Melbourne
Victoria 2 202 Victoria exc. Melbourne
Victoria 2 294 No usual address (Vic.)
Victoria 2 297 Migratory - Offshore - Shipping (Vic.)



Statistics from the 2011 Census are available for all levels of the structure.


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