Sometimes statistics don't give a good picture. When someone says "India is growing at 9% per annum, does it mean all the people are improving". Not a chance. Look at the below pic from NYT

Regarding the US economy

From 2001 to 2004, the average net worth of an American family rose 6.3 percent, according to the Federal Reserve's Survey of Consumer Finances. But not everybody grew richer. For the bottom 40 percent of families by income, the median net worth fell. "It just doesn't resonate with people when the Treasury secretary says everything is fine," Mr. Zandi said. "It's fine for half the population, and it's clearly not for the other half."