Do You Know What You Pay In Taxes? Here's Who Pays The Most And Least To The IRS.

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Research consistently shows that many Americans misunderstand how their income is taxed, which experts say could help explain why many people are disgruntled with the U.S. tax system.

About 55% of taxpayers said they think their taxes are too high that they are paying more than their fair share, according to a new survey by libertarian think tank Cato Institute and YouGov.

At the same time, most taxpayers don't grasp how taxes work, with widespread confusion over how tax brackets work and who pay the most in taxes in the U.S., according to other research.

Because of that structure, the highest earning households pay almost all federal income taxes. A November analysis of tax data by the Tax Foundation found that the top 10% of U.S. earners pay about 72% of the nation's taxes.

"All Americans are affected by the tax code ⁘but do they understand the tax code?" the Tax Foundation, a nonpartisan group focused on tax policy wrote in a blog post.