This graph shows the different types of income of the "Top 400" from 1992-2005. Number one source of income is Capital Gains, which accounts for more than 50% of their income in 2005. The "Top 400" are the 400 tax returns with the highest adjusted gross income reported to the IRS.
Data from the IRS via Wall Street Journal's Tax Report
[tags]Tax Rates, United States, Income tax, IRS[/tags]