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2901.0 - Census Dictionary, 2006 (Reissue)  
Previous ISSUE Released at 11:30 AM (CANBERRA TIME) 17/11/2006  Reissue
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Contents >> Glossary >> Comparability (geographic, over time)

Comparability (geographic, over time)


Around twenty five per cent of all Collection Districts (CDs) undergo some type of change between Censuses. The types of changes which can occur include:

    • splitting a CD into two or more new CDs;
    • amalgamating two or more CDs into a new CD; and
    • varying the boundary of an existing CD.

The extent of change is indicated in a variable on the Collection District Record Database. This can be used to approximate links between geographic areas over time.


The ABS has used this information to prepare a definition of 2001 SLAs which can be used with 2006 Census data. The Time-Series Profile, utilises this concordance.


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