2900.0 - Census of Population and Housing: Understanding the Census and Census Data, Australia , 2016  
ARCHIVED ISSUE Released at 11:30 AM (CANBERRA TIME) 08/11/2017  First Issue
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Usual Address One Year Ago Indicator (UAI1P)

This variable records whether a person lived in the same address one year ago as their current usual residence, whether they lived elsewhere in Australia one year ago, or whether they usually lived in another country one year ago. This variable is applicable for all usual residents of Australia, except for persons aged less than one year.

How this variable is created

Data for this variable is derived from the question of where the person usually lived one year ago. An image of this question is provided below.

The responses to this question are captured automatically from mark box responses on the form. Where the indicator mark boxes have been left blank by a respondent but they have reported an address one year ago, Usual Address One Year Ago Indicator is derived based on the address reported. If the respondent does not report either the indicator or the address, they will be set to not stated. However, where a person who is aged under 16 years (i.e. they were aged under 15 years one year ago) does not respond to the usual address one year ago question, but their parent(s) did respond, their Usual Address One Year Ago Indicator is set to the same value as their parent.

For Interviewer Household Forms (IHF), primarily used in discrete Aboriginal and Torres Strait Islander communities, the response options on the form are different. Instead of asking if respondents lived in their place of usual residence one year ago, the form asks if people lived in 'this dwelling' (i.e. the dwelling in which they were enumerated), 'another dwelling in this community', or 'elsewhere, please specify' . The data is re-derived to ensure that the data is comparable to those enumerated using other form types. For Interviewer Household Forms, mobility is considered at the community level rather than at the individual dwelling level.

Variable history

The question relating to the Usual Address One Year Ago Indicator was first asked in the 1976 Census and has been asked at every census since then. The date listed for one year ago was updated.

Non-response rate

The majority of item non-response is attributable to the people who did not respond to the Census at all. Refer to item non-response rates for more information. The second and smaller contributor to item non-response is when people return a Census form but may not answer a particular question(s). For more information, refer to Understanding Census data quality.

Item non-response rates are a measure of how many people did not respond to a particular question as a proportion of the total number of people the question was applicable to. In this instance the response is left as not stated.

The non-response rate for this variable was 8.3% in 2016 (5.1% in 2011).

Further information

More information on Usual Address 1 year Ago is available in the 2016 Census Dictionary.
For more information related to Usual Address One Year Ago Indicator, see the data quality statements for Place of Usual Residence, Place of Usual Residence One Year Ago, Place of Usual Residence Five Years Ago, Usual Address Five Years Ago Indicator.

Household form question image

Question 9 as it appeared on the 2016 Census Household Paper Form:

Image: 2016 Household Paper Form - Question 9. Where did the person usually live one year ago (at 9 August 2015)?
A text only version of the online Census Household form is available from the Downloads tab.