1270.0.55.004 - Australian Statistical Geography Standard (ASGS): Volume 4 - Significant Urban Areas, Urban Centres and Localities, Section of State, July 2016  
Latest ISSUE Released at 11:30 AM (CANBERRA TIME) 09/10/2017   
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DESIGN OF SOS AND SOSR

Section of State (SOS) and Section of State Range (SOSR) are created by grouping together Urban Centres and Localities (UCLs) into broad classes based on population size. The population sizes are based on the 2016 Census of Population and Housing.

Both SOS and SOSR cover the whole of Australia without gaps or overlaps. States and Territories (S/T) do not necessarily have all SOS or SOSR classes.

SOS provides the broadest definition of ‘urban’ and ‘rural’ Australia. It separates each State or Territory into up to 4 classes of Urban or Rural as described in table 2 below.

TABLE 2: SOS CLASSIFICATION

SOS Identifiers and Names

IdentifierNameDefinitionUrban or Rural

0Major UrbanMajor Urban represents a combination of all Urban Centres with a population of 100,000 or moreUrban
1Other UrbanOther Urban represents a combination of all Urban Centres with a population between 1,000 and 99,999Urban
2Bounded Locality (a)Bounded Localities represents a combination of all LocalitiesRural
3Rural BalanceRural Balance represents the Remainder of State/TerritoryRural

    (a) Bounded Locality can include some large localities with a population greater than 1000.


SOSR further disaggregates the SOS classification to provide a more detailed breakup of ‘urban’ and ‘rural’. It separates each State or Territory into up to 11 classes of Urban or Rural as described in table 3 below. The SOS names are shown alongside these classes to highlight the hierarchical nature of the classifications.

TABLE 3: SOSR CLASSIFICATION
SOSR Identifiers and Names

SOSR IdentifierSOSR NameSOS Name

011 million or moreMajor Urban
02250,000 to 999,999Major Urban
03100,000 to 249,999Major Urban
1150,000 to 99,999Other Urban
1220,000 to 49,999Other Urban
1310,000 to 19,999Other Urban
145,000 to 9,999Other Urban
151,000 to 4,999Other Urban
21500 or more (a)Bounded Locality
22200 or 499Bounded Locality
31Remainder of State / TerritoryRural Balance

    (a) Bounded Localities in this SOSR can include some large localities with a population greater than 1000.