What is the average age at which Australians start to drink alcohol?

In 2013, the average age at which Australians aged 14 years and older consumed their first serve of alcohol was 17 years. However, the average age at which 14-24 year olds consumed their first serve of alcohol was 16 years.

Source: Australian Institute of Health and Welfare (AIHW). (2014). 2013 National Drug Strategy Household Survey Report.