With the popularity of Roth 401(k) contributions, after-tax employee contributions have gotten short shrift. But, if your plan offers them, after-tax contributions are worth considering because they can significantly boost your retirement savings. What are they? After-tax contributions are elective deferrals made from already-taxed salary. You make after-tax contributions to your plan the same way you make pre-tax or Roth contributions (if offered). Unlike earnings on Roth 401(k) contributions, earnings on after-tax contributions are always taxable. Read More