Here's what you should know about income tax, what it is, how it works, how to calculate it and which states don't have it.

Your taxable income is the portion of your income subject to federal tax, and it’s important for several reasons. To start, your taxable income amount determines your tax bracket and marginal tax rate ...

In 2026, some retirees will owe taxes on their Social Security benefits. This is true despite the fact that President Donald ...

The IRS requires quarterly estimated tax payments on income that is not automatically subject to federal withholding.

Income tax is charged on most types of income but tax allowances protect some from the taxman. If you earn money from a job, you will have to pay tax once you breach the tax-free allowance. If you get ...

The new year has just begun and income tax deadlines are months away, but there's one thing to start considering now. Many ...

After a year of market swings and slowly creeping inflation, high-income earners will see a subtle but costly change in 2026: ...

Trina Paul is a Breaking News and Personal Finance Writer at Investopedia, covering topics like retirement, consumer debt, and retail investing. She focuses on making complex financial topics ...

Most forms of income count as taxable — but not all. Here’s how to calculate yours and some ways to reduce your liability. Many, or all, of the products featured on this page are from our advertising ...