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Special purpose codes

Latest release
Australian Statistical Geography Standard (ASGS)
Reference period
Edition 4, July 2026 - June 2031

In the Indigenous Structure, non-spatial special purpose codes are included as balancing items. 

In all states and territories, the identifiers 94, 994, and 94 are used for people coded to No usual address. Similarly, the identifiers 97, 997, and 97 are used for people coded to Migratory - Offshore - Shipping. The codes ZZ, ZZZ, and ZZ are used for people coded to Outside Australia. 

Special purpose codes are described in more detail in the Main Structure and Greater Capital City Statistical Areas section of this publication.

Indigenous Structure special purpose code examples
S/TIREGIAREILOCILOC Name
89499494No usual address (ACT)
69799797Migratory - Offshore - Shipping (Tas)
ZZZZZZZZOutside Australia
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