Compulsory voting
, 22 countries were recorded as having compulsory voting. Of these, only 10 countries (additionally one Swiss canton and one Indian state) enforce it. Of the 30 member states of the Organisation for Economic Co-operation and Development, 10 had forms of compulsory voting.
Commonwealth Electoral Act 1918
Compulsory voting at federal elections was introduced in 1924, as a condition of the Country Party agreeing to form an alliance with the then minority Nationalist Party. Compulsory voting saw voter turnout increasing from 59.36% to 91.39% at the 1925 federal election.