Census Advisory Group Minutes - 14 May 2009 CAG minutes and update papers from 14 May 2009 are available to download. Date published: 14 May 2009 Statistics: 2011 Census, Census Advisory Group Documents Minutes Adobe PDF (25 KB) Gaps in Demographic Studies in Northern Ireland Adobe PDF (56 KB) Population Bases for the 2011 Census Adobe PDF (64 KB) 2009 Census Rehearsal Evaluation Plan Adobe PDF (564 KB) Help viewing documents