Estimated resident population (ERP) by country of birth is recast from 1996 to 2006, final rebased from 2006 to 2016, and preliminary for 2017. It may differ to previously published data. See paragraph 9 of the Explanatory Notes for further information.
The ABS has identified an unrealistically high number of deaths from 2012 to 2014 being attributed to persons born in Isle of Man. For the Australian population born in Isle of Man, this has resulted in an underestimate for the period 2012 to 2015.
Country classification and codes are from the: Standard Australian Classification of Countries (SACC), 2016 (cat. no. 1269.0)
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.