The Gini coefficient has a lot of problems. The Palma ratio — the top ten percent's share of income, divided by the bottom 40 percent's — is a better measure. And at a global level, it's staggeringly high.
The poorest Argentinians and Indians are actually poor. The poorest Americans are solidly middle-class, from a global perspective.
Big Brother has a name, and it is Nandan Nilekani. Will his program help pull hundreds of millions of Indians out of poverty?