The tax base is the total amount of income, property, assets, consumption, transactions, or other economic activity subject to taxation by a tax authority. A narrow tax base is non-neutral and inefficient. A broad tax base reduces tax administration costs and allows more revenue to be raised at lower rates.| Tax Foundation
New IRS data shows the US federal income tax system continues to be progressive as high-income taxpayers pay the highest average income tax rates. Average tax rates for all income groups remain lower after the Tax Cuts and Jobs Act (TCJA).| Tax Foundation
How have federal tax expenditures changed since passage of the Tax Cuts and Jobs Act? We compare 2017 and 2018 Joint Committee on Taxation estimates.| Tax Foundation
For Congress, work on the One Big Beautiful Bill Act is done. But in state capitols, the work has not yet begun. Many of the tax changes in the federal reconciliation act flow through to state tax codes—automatically in some states, and subject to an update in states’ Internal Revenue Code conformity date in others.| Tax Foundation
Our experts explain how this major tax legislation may affect you and how policymakers can better improve the tax code.| Tax Foundation
We estimate the One Big Beautiful Bill Act would increase long-run GDP by 1.2 percent and reduce federal tax revenue by $5 trillion over the next decade on a conventional basis.| Tax Foundation
Our preliminary analysis finds the tax provisions increase long-run GDP by 0.8 percent and reduce federal tax revenue by $4.0 trillion from 2025 through 2034 on a conventional basis before added interest costs.| Tax Foundation
Policymakers have passed legislation to extend many provisions of the 2017 Tax Cuts and Jobs Act (TCJA) alongside dozens of new tax provisions.| Tax Foundation
The home mortgage interest deduction currently allows itemizing homeowners to deduct mortgage interest paid on up to $750,000 worth of principal.| Tax Foundation
The Tax Cuts and Jobs Act increased the standard deduction and reduced the value of certain itemized deductions. How many taxpayers now itemize in 2019?| Tax Foundation
Permanently extending the expiring individual, estate, and business tax provisions would boost long-run economic output by 1.1 percent, the capital stock by 0.7 percent, wages by 0.5 percent, and hours worked by 847,000 full-time equivalent jobs.| Tax Foundation
“No tax on tips” might be a catchy idea on the campaign trail. But it could create plenty of headaches, from figuring out tips on previously untipped services to an unexpectedly large loss of federal revenue.| Tax Foundation
The mortgage interest deduction is an itemized deduction for interest paid on home mortgages. It reduces households’ taxable incomes and, consequently, their total taxes paid. The Tax Cuts and Jobs Act reduced the amount of principal and limited the types of loans that qualify for the deduction.| Tax Foundation
An itemized deduction allows individuals to subtract designated expenses from their taxable income and can be claimed in lieu of the standard deduction. Itemized deductions include those for state and local taxes, charitable contributions, and mortgage interest. An estimated 13.7 percent of filers itemized in 2019, most high-income taxpayers.| Tax Foundation
A tax deduction is a provision that reduces taxable income. A standard deduction is a single deduction at a fixed amount. Itemized deductions are popular among higher-income taxpayers who often have significant deductible expenses, such as state/local taxes paid, mortgage interest, and charitable contributions.| Tax Foundation
From 2021-2024, within the span of 3.5 years, more states enacted laws converting graduated-rate individual income tax structures into single-rate income tax structures than did so in the whole 108-year history of state income taxation up until that point.| Tax Foundation
The IRS recently released the new inflation adjusted 2023 tax brackets and rates. Explore updated credits, deductions, and exemptions, including the standard deduction & personal exemption, Alternative Minimum Tax (AMT), Earned Income Tax Credit (EITC), Child Tax Credit (CTC), capital gains brackets, qualified business income deduction (199A), and the annual exclusion for gifts.| Tax Foundation