PURPOSE
The Significant Urban Area (SUA) structure of the Australian Statistical Geography Standard (ASGS) is used to disseminate a broad range of ABS social and demographic statistics. It represents concentrations of urban development with a population of 10,000 or more using whole Statistical Areas Level 2 (SA2s). They do not necessarily represent a single Urban Centre, as they can represent a cluster of related Urban Centres with a core urban population over 10,000. They can also include related peri-urban and satellite development and the area into which the urban development is likely to expand.
The use of whole SA2s allows the SUAs to be identified in non-Census data, for example Estimated Resident Population.
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