Basic purpose of this article is to Define and Discuss on Taxable Income. Here explain Taxable Income in American economic point of view, here taxable income is usually reported to the IRS. There are many types of income that it is hard to know those that the government requires you to definitely pay taxes on and those that it doesn’t. A general rule to visit is this: taxable income is income that you just earn either by employment or by investing your cash in something that creates income.