Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Deciding When to Take Social Security One of the most common questions people ask about Social Security is when they should start taking benefits. Life and Death of a Twenty Dollar Bill How long does a $20 bill last? A Fruitful Retirement: Social Security Benefit Taking your Social Security benefits at the right time may help maximize your benefit.