My understanding was that that was what they _used_ to do - address information would be used to aggregate data to Statistical Area 1, 2, 3 etc levels (see http

My understanding was that that was what they _used_ to do - address information would be used to aggregate data to Statistical Area 1, 2, 3 etc levels (see http://nationalmap.gov.au/#share=s-fg7dcWhKqOxxyqyfbS43YsSKEkY http://nationalmap.gov.au/#share=s-fg7dcWhKqOxxyqyfbS43YsSKE...) which would then be kept. Starting around 2005 they started keeping address-specific data if you opted in, then from this census onwards they stopped giving you the choice. http://www.abs.gov.au/websitedbs/censushome.nsf/home/privacy http://www.abs.gov.au/websitedbs/censushome.nsf/home/privacy