There isn't a magic number for retirement savings. Setting aside 15% of your annual salary before taxes is a good place for many people to start, experts said. Starting early is key, even if it's just a small amount.

On the other hand, millions of Americans retire with little or no retirement savings, and many of them seem to be doing fine. And remember: $1 million is just a number. “I think

The estimates are based on average annual living expenses for each state, using the most recent data available from the U.S. Bureau of Labor Statistics. After subtracting average