The Power of Tax-Deferred Growth Why are 401(k) plans, annuities, and IRAs so popular? Share | Related Content Raise Your Retirement Income Retirees look for ways to convert savings and investments into regular income. One option to consider is an annuity. Immediate vs. Deferred Annuities Looking forward to retirement? It's critical to understand the difference between immediate and deferred annuities. An Inside Look at Retirement Living A number of questions and concerns need to be addressed to help you better prepare for retirement living.