Of course the AARP is the Mecca of retirement data. But if you do nothing other than utilize this one tool of theirs to calculate your retirement readiness you will have done yourself a fantastic service. Clicking the link will open a new browser window and take you to the AARP Retirement Calculator. The process is very simple but also very powerful in that it allows you to manipulate variables like Social Security, Salary, Age of Retirement and desired lifestyle during retirement. Play with it and let us know what you think.