SECTION OF STATE (SOS)

SOS DELIMITATION, IDENTIFIERS AND NAMES

SOS aggregates the UCLs on the basis of population ranges i.e. all UCLs in a S/T within a particular population range are combined into a single SOS.

There are 4 SOS identifiers and names. These are listed below with definitions.

SOS Identifiers and Names
Identifier	Name	Definition
0	Major Urban	Major Urban represents a combination of all Urban Centres with a population of 100,000 or more
1	Other Urban	Other Urban represents a combination of all Urban Centres with a population between 1,000 and 99,999
2	Bounded Locality	Bounded Localities represents a combination of all Bounded Localities
3	Rural Balance	Rural Balance represents the Remainder of State/Territory

S/Ts do not necessarily have all SOS codes.

SOS names are not unique across Australia.


SOS CODES

A SOS is identifiable by a 2 digit fully hierarchical code. This comprises a S/T and SOS identifiers. A SOS identifier is only unique if it is preceded by the S/T identifier.

For example:

20 Major Urban
S/T	SOS	SOS Name
2	0	Major Urban

93 Rural Balance
S/T	SOS	SOS Name
9	3	Rural Balance

SPECIAL PURPOSE SOS

Two SOSs are also defined in each S/T for that part of a population which cannot be meaningfully assigned to a geographically defined region:

• Migratory - Offshore - Shipping
• No usual address

67 Migratory - Offshore - Shipping (Tas.)
S/T	SOS	SOS Name
6	7	Migratory - Offshore - Shipping (Tas.)

59 No usual address (WA)
S/T	SOS	SOS Name
5	9	No usual address (WA)

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