TOP ONE PERCENT OF TAX FILERS PAY HIGHEST SHARE IN DECADES
"The share of total federal income taxes paid by the top 1 percent of tax filers increased to 39.89 percent in 2006, while the tax share of the top 5 percent climbed to 60.14 percent. The income tax share of the top half rose to 97.01 percent, according to recent Internal Revenue Service (IRS) data. The tax shares are the highest on record for these groups based on comparable IRS data going back to 1986.

The share of adjusted gross income generated by the top 1 percent has also increased. This share was 22.06 percent in 2006, relative to a level of 20.81 percent reached during the height of the stock market bubble in 2000 (when the income tax share of the top 1 percent was 37.42 percent)..."