This WSJ article
reviewed the Wage Statistics for 2009
from the Social Security website. It's based on compensation (wages, tips, and the like) subject to Federal income taxes, as reported by employers on Forms W-2.
The WSJ article focused on Americans who earned at least $50 million last year. That number was 72 which was down 151 in 2007.
From the stats, I thought it would be interesting to look at the smaller incomes.
Number of Americans in 2009 who earned: