Description: Retirement income can be provided by Social Security, employer-provided pension plans, personal savings and family support. With the growth of Social Security and employer-provided pensions, and the decline in birth rates and marriage rates, the role of families in the U.S. retirement system has declined.

Description: This article discusses the shortfalls present in most retirement planning software. Some of these come from the design of the software and some from unsophisticated use of it. In any case, the resources needed for retirement are often understated.