![Gross income definition or gross pay definition TaxEDU Labor Share of Net Income is Within Its Historical Range President Biden Made in America Tax Plan and American Jobs Plan](https://taxfoundation.org/wp-content/uploads/2019/04/calculator-5-300x225.jpg)
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![Gross income definition or gross pay definition TaxEDU Labor Share of Net Income is Within Its Historical Range President Biden Made in America Tax Plan and American Jobs Plan](https://taxfoundation.org/wp-content/uploads/2019/04/calculator-5-300x225.jpg)
![Income changes over the course of an individual's life, average incomes rise with age, average income age income inequality](https://taxfoundation.org/wp-content/uploads/2019/03/PaF-Chart-121-300x228.png)
Average Income Tends to Rise with Age
Average income tends to rise dramatically as someone ages and gains education and experience. Viewing just one year of income tax data without digging any deeper misses some crucial context.
2 min read![The U.S. now has fewer corporations and more individually owned businesses, increasing individual income tax rates](https://taxfoundation.org/wp-content/uploads/2019/03/Paf-increasing-featured-01-300x287.png)
Increasing Individual Income Tax Rates Would Impact a Majority of US Businesses
Since most U.S. businesses are pass-through businesses, such as partnerships, S corporations, LLCs, and sole proprietorships, changes to the individual income tax, especially to top marginal rates, can affect a business’s incentives to invest, hire, and produce.
4 min read![Americans zero income tax liability percentage of nonpayers has increased over time, progressive tax code.](https://taxfoundation.org/wp-content/uploads/2019/03/paf-5-featurd-01-300x287.png)
A Growing Percentage of Americans Have Zero Income Tax Liability
From 1986 to 2016, the top 1 percent’s share of income taxes rose from 25.8 percent to 37.3 percent, while the bottom 90 percent’s share fell from 45.3 percent to 30.5 percent.
4 min read![Who Benefits from Itemized Deductions? High income taxpayers tax breaks](https://taxfoundation.org/wp-content/uploads/2019/03/Tax-Filing-Individual-e1551986717705-300x200.jpeg)
Who Benefits from Itemized Deductions?
While some tax preferences like the earned income tax credit (EITC) and child tax credit benefit lower- and middle-income households, others, like itemized deductions, benefit high-income households.
4 min read![marginal tax rates, taxes on the rich. top 1 percent tax rates, effective tax rate](https://taxfoundation.org/wp-content/uploads/2019/03/money-dollar-21-300x159.jpg)
The Top 1 Percent’s Tax Rates Over Time
In the 1950s, when the top marginal income tax rate reached 92 percent, the top 1 percent of taxpayers paid an effective rate of only 16.9 percent. As top marginal rates have fallen, the tax burden on the rich has risen.
5 min read![Income and payroll taxes make up a growing share of federal revenue, income tax, payroll tax, corporate tax, tax revenue, federal revenue](https://taxfoundation.org/wp-content/uploads/2019/02/PAF-Chart-4-300x228.png)
The Composition of Federal Revenue Has Changed Over Time
The federal income tax and federal payroll tax make up a growing share of federal revenue. Individual income taxes have become a central pillar of the federal revenue system, now comprising nearly half of all revenue.
2 min read![Effective tax rates on the top o.1 percent of u.s. households, taxing the rich, taxes on the rich, tax the rich](https://taxfoundation.org/wp-content/uploads/2019/01/money3-300x200.jpg)
Income Taxes on the Top 0.1 Percent Weren’t Much Higher in the 1950s
Recent plans to increase the tax burden on wealthy Americans, such as higher marginal income tax rates and wealth taxes, are flawed in several ways, including in their lack of understanding of tax history.
4 min read![The overall U.S. Tax System is Progressive, U.S. progressive tax code, high-income individuals, income tax, High-Income taxpayers pay the highest average income tax rate, U.S. progressive tax code](https://taxfoundation.org/wp-content/uploads/2019/01/622-featured-01-300x287.png)
America Already Has a Progressive Tax System
Recent interest in raising the tax burden on high-income individuals glosses over the fact that the U.S. federal tax code is already progressive.
3 min read