This is the kind of substantial income increase many people need to remain in the middle class or enjoy some affluence.

We have lots of homes for upper income people, but the middle class is being squeezed stagnant wages and the cost of homes rising so fast -- 8 percent, 9 percent a year.

The Two-Income Trap: Why Middle-Class Mothers and Fathers Are Going Broke.

With a billion people and a huge middle class being created, how can you ignore it?

India has an increasingly well-funded middle class. Imagine a market of 100 million to 150 million people all able to consume.

The middle class [would] continue moving out.