Australia's banking sector is rated one of the safest in the world. Big Four Australian banks (ANZ, Commonwealth, NAB and Westpac) have the high credit ratings from the three leading agencies. Following is a list of the best-rated Australian banks.
Long-term credit ratings
| Rank | Bank | Moody's | Fitch | Standard & Poor's |
| 1 | ANZ Banking Group | Aa2 | AA- | AA- |
| 2 | Commonwealth Bank of Australia | Aa2 | AA- | AA- |
| 3 | National Australia Bank | Aa2 | AA- | AA- |
| 4 | Westpac Banking Corporation | Aa2 | AA- | AA- |
| 5 | HSBC Bank Australia Ltd | A1 | n/r | A+ |
| 6 | Suncorp Bank | A1 | A+ | A+ |
| 7 | Bendigo and Adelaide Bank | A2 | A- | A- |
| 8 | Macquarie Bank Ltd (MBL) | A2 | A | A |
| 9 | Bank of Queensland | A3 | A- | A- |
| 10 | Rural Bank | - | - | A- |
Ratings as of June 2016.
Top 5 Banks in Australia
| Rank | Bank | Total Assets, A$b, (March 31, 2016) |
| 1 | ANZ Banking Group | 895.278 |
| 2 | Commonwealth Bank of Australia | 903.075 |
| 3 | National Australia Bank | 868.730 |
| 4 | Westpac Banking Corporation | 831.760 |
| 5 | Macquarie Group | 196.755 |
Consumer Banking Satisfaction
| 1 | Teachers Mutual Bank | 94.80% |
| 2 | Beyond Bank Australia | 92.40% |
| 3 | Heritage Bank | 90.50% |
| 4 | ING Direct | 90.10% |
| 5 | Commonwealth | 81.30% |
| 6 | NAB | 79.90% |
| 7 | Westpac | 79.40% |
| 8 | ANZ | 78.00% |
Source: Roy Morgan Report, 2016