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.
Electoral system of Australia
Compulsory voting was introduced for the Queensland state election in 1915, for federal elections since the 1925 federal election, and Victoria introduced it for the Legislative Assembly at the 1927 state election and for Legislative Council elections in 1935. New South Wales and Tasmania introduced compulsory voting in 1928, Western Australia in 1936 and South Australia in 1942.