1. Australian Institute of Health and Welfare 2016 http://www.aihw.gov.au/deaths/life-expectancy/
2. United Nations, Department of Economic and Social Affairs, Population Division http://www.un.org/en/development/desa/population/publications/pdf/ageing/WPA2015_Report.pdf
3. Australian Bureau of Statistics 2002 http://www.censusdata.abs.gov.au/census_services/getproduct/census/2011/quickstat/0
4. Australian Bureau of Statistics 2002 http://www.abs.gov.au/AUSSTATS/abs@.nsf/0/1EA78AFE3DE2EDCACA256BDA0073EB53?OpenDocument
5. United Nations, Department of Economic and Social Affairs, Population Division http://www.un.org/en/development/desa/population/publications/pdf/ageing/WorldPopulationAgeing2013.pdf