Below are the 10 largest banks in Australia based on total assets. With approximately 45,000 employees, Commonwealth is the largest bank in the country by assets, deposits, loans and market capitalization. The "big four" Australian banks hold assets of over A$3.4 trillion.

Rank Bank Total assets, A$b Balance Sheet
1 Commonwealth Bank of Australia 971.719 31.12.2016
2 ANZ Banking Group 896.511 31.03.2017
3 Westpac 839.993 31.03.2017
4 National Australia Bank 790.227 31.03.2017
5 Macquarie Group 182.877 31.03.2017
6 Suncorp Group 97.109 30.06.2017
7 Bankwest * 83.605 31.12.2016
8 Bendigo and Adelaide Bank 70.949 31.12.2016
9 Bank of Queensland 50.956 28.02.2017
10 AMP Bank Ltd 19.014 31.12.2016

* Bankwest (formerly Bank of Western Australia) is a subsidiary of Commonwealth Bank.

Top Banks in Australia by Deposits

Listed below are the largest banks operating in Australia according to their deposits as of June 30, 2017. The five largest banks hold deposits of nearly A$1.7 trillion.

Rank Bank Total Deposits, A$b
1 Commonwealth Bank of Australia 524.290
2 Westpac 447.773
3 National Australia Bank 353.850
4 ANZ Banking Group 316.110
5 Bendigo and Adelaide Bank 51.456
6 Macquarie Bank Ltd 49.332
7 Suncorp-Metway 41.917
8 ING Bank (Australia) Ltd 38.916
9 Bank of Queensland 36.776
10 Members Equity Bank 17.843
11 HSBC Bank Australia 17.427
12 Sumitomo Mitsui Banking Corp 15.882
13 The Bank of Tokyo-Mitsubishi UFJ 15.488
14 Bank of China Limited 13.717
15 Rabobank Australia 11.957
16 JPMorgan Chase Bank, NA 9.415
17 BNP Paribas Securities Services 9.408
18 Mizuho Bank, Ltd. 9.037
19 The Northern Trust Company 9.241
20 Citibank, N.A. 8.168
21 AMP Bank 8.053
22 Heritage Bank 7.124
23 Citigroup Pty 6.684
24 State Street Bank and Trust Co 6.120
25 Teachers Mutual Bank 5.867
26 Greater Bank 5.361
27 BNP Paribas 4.950
28 IMB Ltd 4.775
29 Bank Australia 4.592
30 Community CPS Australia 4.248