The IRS uses an worksheet to figure this out. Here, in a nutshell, is how the three-tier taxing system works: Assume that you and your spouse get $10,000 in Social Security benefits. If half that ...

Contained within the president's joint tax filing is a Social Security Benefits Worksheet (slide 13 of the president's PDF tax filing, for those interested) that breaks out precisely how much Joe ...

The year you were born, how much you've worked, and the year you claim your benefits determine how much you receive, but very few will qualify for the maximum benefit.