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On this page you will find links to papers that assess and report on various aspects of 2011 Census data quality.

Census of Population and Housing - Details of Undercount, 2011 (cat. no. 2940.0) presents estimates of net undercount for the 2011 Census.

In addition, Census fact sheets are produced on a needs basis in response to any data issues that arise from the 2011 Census.

Quaility declaration



Non-response rates

Fact sheets

Updates & corrections

Historical data quality