What's A Middle-Class Income? (Cont'd)

We recently asked our readers what income range puts a a family in the middle class. We were interested in subjective answers — what feels middle class?

Still, it's interesting to look at the numbers. So: Here's the distribution of annual income for U.S. households.

The NYT's Economix blog drew our attention to this data set, which comes from the Tax Policy Center. One striking detail that Economix points out:

Incomes grow much, much faster at the top end of the income distribution than in the middle or at the bottom end.

Planet Money Question of the Day, Part II: What jumps out at you from this chart?