Australia

Compulsory voting with preferential ballots. House of Representatives uses instant-runoff voting. Senate uses single transferable vote. Voters rank candidates in order of preference. Failure to vote incurs a fine.

Turnout shown is the share of enrolled voters, 2025 House of Representatives election (AEC). Figures are curated from official election commission reports and International IDEA, and the year shows which election they refer to. See how Australia ranks in the turnout table, read how each voting system works, or compare all countries.