South Africa is around 0.7, which makes it one of the most unequal countries in the world, and certainly the most unequal large country. See Global inequality by Branko Milanovic (2016), especially Chapter 3, titled ‘Inequality among countries: from Karl Marx to Frantz Fanon, and then back to Marx?’.
But if the banking and wider financial community is to resist pressures for re-regulation, it is necessary that it should pay much greater heed to the responsibilities for prudent operations that are now more explicitly theirs and theirs alone. What regulatory consequences should be drawn from the most recent crisis in the financial markets?