3412.0 - Migration, Australia, 2015-16 Quality Declaration 
ARCHIVED ISSUE Released at 11:30 AM (CANBERRA TIME) 30/03/2017   
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Estimated resident population (ERP) by country of birth is recast from 1992 to 2006, final rebased from 2006 to 2011, revised for 2012 to 2014, and preliminary for 2015 and 2016. The ERP by country of birth data up to and including 30 June 2016 are based on preliminary ERP as at 15 December 2016 and may differ from other published data. See paragraph 9 of the Explanatory Notes for further information.

For any age distribution, the median age is that age which divides the relevant population into two equal parts, half being younger than the value, and half being older than it.