Many people are busy saving and investing for their retirement, aiming to stop working with a $1 million nest egg. For some, a $1 million nest egg is great, while for others, it may be insufficient. But remember that for most of us, our nest egg isn't going to be providing all our retirement income. There's Social Security income, too. For a much clearer estimate of your future benefits, set up a "my Social Security" account at the Social Security Administration (SSA) website.