The Alternative Minimum Tax (AMT) is a special tax system in the United States aimed at ensuring that everyone pays their fair share, especially those with higher incomes. Originally, it was put in place to make sure that high-income individuals and entities couldn’t avoid paying taxes by using various deductions and loopholes.
The AMT works alongside the regular income tax system but with its own set of rules for calculating taxes. Taxpayers need to figure out their tax liability under both systems and pay the higher amount.
One important thing to know about the AMT is that it limits certain deductions and credits that are allowed under the regular tax system, such as state and local income taxes, specific itemized deductions, and the standard deduction. This can lead to higher taxes for those who fall under the AMT rules.
The Alternative Minimum Tax (AMT) was designed to keep wealthy taxpayers from using loopholes to avoid paying taxes. But because it was not automatically updated for inflation, more middle-class taxpayers were getting hit with the AMT each year. Congress traditionally passed an annual “patch” to address this until, in January 2013, they passed a permanent patch to the AMT. Thanks to changes made by Congress, each year the AMT exemption amount automatically adjusts with inflation. The AMT exemption is like a standard deduction for calculating the alternative minimum tax.
The 2023 exemption amounts are:
- Single taxpayers: $81,300
- Married taxpayers filing jointly: $126,500
- Married filing separately: $63,250
- Head of Household: $81,300
The 2024 exemption amounts are:
- Single taxpayers: $85,700
- Married taxpayers filing jointly: $133,300
- Married filing separately: $66,650
- Head of Household: $85,700
Why does the AMT exist? In 1969, Congress noticed that 155 people with high incomes were legally using so many deductions and other tax breaks that they were paying absolutely nothing in federal income taxes. Their nonexistent tax bills were an embarrassment.
So Congress instituted the AMT with the aim of making the tax system fairer. But because the AMT was never indexed to inflation—as the regular income tax is—each year, more and more taxpayers that weren’t originally targeted are snared by a tax originally focused on the rich.
The AMT exemption amounts are now indexed to rise with inflation.