Which of these ASX bank shares offers the highest dividend?

Which of the ASX banks offers the highest dividend yields for income investors today? It’s a vexing question to be sure, made even more so by the events of 2020.

If you cast your mind back to 2019, you may remember that the big four ASX banks weren’t exactly making their income-focused investors too happy then either. National Australia Bank Ltd (ASX: NAB) reduced its long-standing 99 cents per share biannual dividend to 83 cents per share last year. It was a similar story at Westpac Banking Corp (ASX: WBC), which cut its own longstanding payout of 94 cents a share to 80 cents for 2019’s final dividend. And Australia and New Zealand Banking Group Ltd (ASX: ANZ) cut the level of franking its investors were entitled to on their…