New Site to review International Income Inequality

There's an exciting new site called The World Top Incomes Database where you can compare top-level income distribution across many countries.  Just for kicks I compared Australia, France, Sweden and The United States.  Looking at data from 1960 - 2009, here's what it looks like:

America is clearly the outlier here, but anyone who's paid attention to the redistribution of wealth upwards will not be surprised.  Go forth and excavate!