Access to free - or at least affordable -secondary education and the prospect of further training are a necessity if individual incentives are to be aligned with the great benefits - which include reduced income inequality - that a better educated population can bring the economy. The first section outlines overall trends in income inequality between and within countries. It documents, first, how the convergence of large developing countries like China and India is altering the global income distribution, before going on to look at income inequality trends in a number of developing countries.