In the past experts have used an illustration of a stool to describe income in retirement. It was called the 3-legged retirement stool. The legs were: Pension, Social Security, and personal savings.
Most people don’t have pensions anymore and Social Security has now become questionable. Using the illustration, if that is what you are relying on, your “stool” will likely collapse under the pressure of your retirement.
Bottom line, the more legs your stool has the more stable your retirement. What are you doing about your stool? How many legs does your have?
Here is an article that may be able to sine some more light on this subject!