Kiplinger's new retirement tax quiz helps you identify whether you're paying more than necessary to the IRS during retirement. The quiz takes aim at a common problem: retirees often overpay taxes simply because they don't understand the rules governing retirement account withdrawals, Social Security taxation, and deduction strategies.

The test covers essential retirement tax scenarios. It examines how much of your Social Security benefits face taxation depending on your combined income. It reviews required minimum distributions from traditional IRAs and 401(k)s, which carry steep penalties if missed. It explores whether you're claiming all eligible deductions for retirees, including the above-the-line deduction for IRA rollovers and potential adjustments for medical expenses and charitable contributions.

Many retirees leave money on the table by failing to coordinate their income sources strategically. For example, timing when you withdraw from taxable brokerage accounts versus tax-deferred retirement accounts shapes your tax bill significantly. Drawing from a taxable account first while delaying IRA withdrawals can lower your provisional income, reducing how much Social Security gets taxed.

The quiz also addresses lesser-known tax breaks. Qualified charitable distributions allow those 70.5 and older to move up to $100,000 annually from IRAs directly to charities, bypassing income taxation entirely. Health savings accounts offer a triple tax advantage for those who qualify. Roth conversions during lower-income years can cut future tax burdens.

Taking the quiz reveals whether you're optimizing your retirement tax strategy or leaving substantial refunds unclaimed. Many people discover they could reduce their annual tax bill by hundreds or thousands of dollars through simple repositioning of their withdrawal approach.

The broader message is clear: retirement taxation isn't one-size-fits-all. Your filing status, income level, state of residence, and specific account types all influence your effective tax rate.