A few weeks ago I posted a couple of startling charts by the World Bank's Branko Milanovic, demonstrating that however bad inequality is within the United States, it's far, far worse at a global scale, and determined overwhelmingly by the country (which determines 60 percent) and economic class (20 percent) in which you were lucky (or unlucky) enough to be born. Matt Mitchell at the Mercatus Center has turned those charts into an easy-to-follow video that's no less shocking:

You can read more in Milanovic's book or papers.