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Chapter 7 Section of State Structure
PURPOSE
The SOS Structure uses population counts from the latest Census of Population and Housing to class CDs as urban or rural. Unlike the UC/L Structure (Chapter 6), the SOS Structure includes all CDs and therefore, in aggregate, the SOS Structure covers all of Australia. For the 2006 edition, three of the five different SOS were divided into sub categories based on population size.
The SOS Structure is maintained as a separate structure in the ASGC because SOS spatial units do not align with spatial units from any of the other structures.
THE STRUCTURE
The SOS Structure is defined only in census years. It contains three hierarchical levels, comprising in ascending order: CDs-SOS-S/Ts.
In this structure, CDs aggregate to SOS and SOS aggregate to S/Ts without gaps or overlaps. Consequently, the structure covers all of Australia.
Table
The Sections of State determined following the 2006 Census are shown in Chapter 14. This list provides:
- Section of State Structure: States/Territories, Sections of State (showing only the top two levels of the hierarchy: S/T-SOS)
Example:
THE SPATIAL UNITS
Census Collection District (CD)
For discussion about this spatial unit see Chapter 2, Main Structure.
Sections of State (SOS)
Within a state or territory, each SOS represents an aggregation of non-contiguous geographical areas of a particular urban/rural type. The categories are:
- Major Urban: this category provides for a further three categories of urban areas (Urban Centres from the UC/L Structure) based upon population ranges of 1,000,000 or more, 250,000 to 999,999, and 100,000 to 249,999
- Other Urban: this category provides for a further five categories of urban areas (Urban Centres from the UC/L Structure) based upon population ranges of 50,000 to 99,999, 20,000 to 49,999, 10,000 to 19,999, 5,000 to 9,999, and 1,000 to 4,999
- Bounded Locality: this category provides for a further two categories of rural areas (Localities from the UC/L Structure) with a population of 500 to 999 and 200 to 499
- Rural Balance: the remainder of the S/T
- Migratory: areas composed of off-shore, shipping and migratory CDs (see Chapter 2, Main Structure).
SOS code
SOS are identified by unique two-digit codes within each S/T. For unique Australia-wide identification, each two-digit SOS code has to be used in conjunction with the S/T code.
State/Territory (S/T)
For discussion about this spatial unit see Chapter 2, Main Structure.
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