What types of income must be reported on personal income tax forms?

All of your gross taxable worldwide income is required to be reported on your 1040 federal income tax return in the year that you

Go to the IRS gov website and use the search box for Publication 525 TAXABLE and NONTAXABLE INCOME

You can receive income in the form of money, property, or services. This publication discusses many kinds of income and explains whether they are taxable or nontaxable. It includes discussions on employee wages and fringe benefits, and income from bartering, partnerships, S corporations, and royalties. It also includes information on disability pensions, life insurance proceeds, and welfare and other public assistance benefits. Check the index for the location of a specific subject.

Generally, an amount included in your income is taxable unless it is specifically exempted by law. Income that is taxable must be reported on your return and is subject to tax. Income that is nontaxable may have to be shown on your tax return but is not taxable.

Constructively received income. You are generally taxed on income that is available to you, regardless of whether it is actually in your possession.