This list was compiled BY APRA with data from the “Monthly Banking Statistics” report released by the Australian Prudential Regulation Authority (APRA) on July 31st. The top 10 Australian banks based on assets and deposits as of June 2009 are listed below The Top Ten Australian Banks by Assets Rank Bank Assets (A$ Millions) 1 Commonwealth Bank of Australia 317,697 2 National Australia Bank Limited 247,782 3 Westpac Banking Corporation 247,386 4 Australia and New Zealand Banking Group Limited 230,031 5 St.George Bank Limited 84,610 6 Bank of Western Australia Ltd 57,065 7 Suncorp-Metway Limited 47,979 8 ING Bank (Australia) Limited 38,852 9 Bendigo and Adelaide Bank Limited 29,378 10 Bank of Queensland Limited 20,440