The Power of Tax-Deferred Growth Why are 401(k) plans, annuities, and IRAs so popular? Share | Related Content Perception vs. Reality There’s an alarming difference between perception and reality for current and future retirees. What Is an Annuity? Annuities are versatile tools that can help you save for retirement and generate income in retirement. Retirement Plan Distributions There are a number of ways to withdraw money from a qualified retirement plan.