What the depression in Australia would do to apt, page-153

Banking world wide, especially developed countries and especially any banks considered Global systemically important (GSIB). Capital ratios have been increased drastically and due to GFC regulators also forced banks to ensure liquidity isn't an issue either with the introduction of LCR and NSFR ratios.

Profitability might suffer, sure. Especially in a prolonged low-interest rate environment, but there is almost zero chance that this would impact banks anywhere near enough for them to go bust.

More specifically to Australia, we have some of the most well capitalized banks in the world.