Here is an excerpt of a great review of this subject by SBS News.

A record one in three voters at the federal election in May cast a ballot for minor parties or independents.

It’s the biggest result for smaller players in Canberra in 100 years with experts saying it shows a slow decline in “rusted on” major party voters.

The figures come from the latest Australian Election Study from the Australian National University and Griffith University.

Read full story here.