Source: Internal Revenue Service
From press release:
The Internal Revenue Service today released the fall 2007 issue of the Statistics of Income Bulletin, featuring data from 134.4 million individual income tax returns filed for tax year 2005.
U.S. taxpayers reported $7.4 trillion of adjusted gross income less deficit in tax year 2005, up 9.3 percent from tax year 2004 when 132.2 million returns were filed.
Certain types of income posted strong gains between 2004 and 2005. Net capital gains climbed 41 percent and taxable interest rose 29.5 percent, while net partnership and S corporation income gained 27.3 percent.
Taxable income totaled $5.1 trillion in tax year 2005, up 10 percent from the prior year. Total income tax increased for a second straight year, rising 12.4 percent to $934.8 billion. Between tax years 2003 and 2004, total income tax rose 11.2 percent, the first increase in 4 years.
The alternative minimum tax (AMT) grew 33.7 percent between 2004 and 2005 to $17.4 billion. Four million taxpayers paid the AMT in 2005, compared to almost 3.1 million in tax year 2004.
Fall 2007 SOI Bulletin (PDF; 3.6 MB)