NOTES
ABOUT THIS PUBLICATION
This publication presents estimates of net undercount for the 2011 Census of Population and Housing. It also details how the 2011 PES was conducted and how net undercount estimates have been calculated.
NOTES ABOUT THE ESTIMATES
Information in this publication has been obtained from the 2011 Census Post Enumeration Survey (PES). The PES is a household survey conducted by the Australian Bureau of Statistics shortly after each Census, in order to provide an independent measure of Census coverage. The 2011 PES included people from approximately 36,000 responding households across Australia. Information was collected for everyone present, or usually resident, in the household. In addition to obtaining basic demographic information, questions were asked about each person's usual residence, their location on Census night, and any other addresses where they might have been counted in the Census.
The results of the PES are used to determine how many people were missed in the Census (undercount) and how many were counted more than once (overcount), which together with the Census counts, are used to determine the Census net undercount.
PES estimates of net undercount are used to augment the Census counts for the purpose of deriving resident population estimates for Australia and its states and territories.
It is important to note that where Census counts are presented in this publication, they refer to Census counts which correspond to the scope of the PES, and may differ slightly from aggregate counts in other Census products. For further information on the scope of the PES, refer to Survey enumeration.
ROUNDING
As estimates have been rounded, discrepancies may occur between sums of the component items and totals.
INQUIRIES
For further information about these and related statistics, contact the National Information and Referral Service on 1300 135 070 or Bjorn Jarvis on Canberra (02) 6252 6552.
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