2940.0 - Census of Population and Housing: Details of Overcount and Undercount, Australia, 2016 Quality Declaration 
ARCHIVED ISSUE Released at 11:30 AM (CANBERRA TIME) 27/06/2017   
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STATES AND TERRITORIES

In 2016, the Northern Territory recorded the highest net undercount rate of all states and territories (5.0%), while the Australian Capital Territory (ACT) recorded the lowest net undercount rate (-1.1%). This is consistent with previous PESs, although the ACT had a net overcount for the first time.

Graph Image for Net Undercount Rate(a), State and Territory of Usual Residence, 2006-2016

Footnote(s): (a) A negative value indicates a net overcount.

Source(s): Census of Population and Housing: Details of Overcount and Undercount, Australia - 2016



While the two territories continue to reflect the minimum and maximum net undercount rates, trends across the states have shifted for 2016. The largest changes in net undercount in 2016 were for Western Australia (2.5% in 2011 to 0.4% in 2016) and Tasmania (2.0% in 2011 to 0.1% in 2016). Along with South Australia (0.2%), they now have the lowest net undercount rates across the six states. In contrast, Victoria was the only state or territory to exhibit a higher net undercount rate in 2016 (1.4%, compared with 1.1% in 2011).