reviews the fairness of the federal income tax. It does acknowledge who pays most of the taxes:
1% of taxpayers end up paying almost as much in federal income tax (and some years even more) as the bottom 95% combined.
But there are many rich people who owed no federal income taxes for 2010:
18,000 were households taking in more than $500,000 -- and of those, 4,000 made more than $1 million.
Some of the reasons for not owing taxes mentioned in the article are those who have most of their investments in municipal bonds or those who have large a stock portfolio and were able to offset large capital gains with past capital losses.