Aired on ABC's RN Breakfast on April 15, 2016.

Australia is one of the few countries in the world to have a compulsory voting system—and its merits have been debated since it was brought into effect in 1924. 

In early April, U.S. President Barack Obama praised mandatory voting, saying the U.S. might be better off following Australia's example.

But as a double-dissolution election looms, could support for compulsory voting be waning in Australia?

Produced and reported by Justin Bull
Guests: Senator David Leyonhjelm, Liberal Democrat, Professor Ariadne Vromen, Political Sociology at University of Sydney

Image: Voters queue outside a polling booth in the 2014 Tasmanian state election (ABC News: Brad Markham)

Image: Voters queue outside a polling booth in the 2014 Tasmanian state election (ABC News: Brad Markham)