Australia has a new favourite big bank!

National Australia Bank has overtaken Commonwealth Bank as the big four bank with the highest customer satisfaction ratings according to Roy Morgan Research.

NAB's rating increased by 0.80 percentage points in June 2015 to 82.6 per cent while the other three big banks lost ground.

CBA rated 82.4 per cent, Westpac 80.7 per cent and ANZ 78.9 per cent.

Source: Banking Day