1. A computer-implemented retirement planning system, comprising: program logic including machine-executable instructions stored in a machine-readable medium, the program logic including data collection logic, the data collection logic being configured to receive data pertaining to an individual planning for retirement and to present questions configured to elicit information useable to ascertain what the individual planning for retirement considers to be a worst case scenario basic needs level of income; retirement modeling logic, the retirement modeling logic being configured to process the data to generate parameters of a retirement plan based on the worst case scenario basic needs level of income, the retirement plan comprising a retirement income arrangement in which the amount of inflation-adjusted retirement income from sources other than long term care insurance and health insurance is larger during early years of the retirement plan and decreases as the maximum life expectancy of the individual is reached; and report generation logic, the report generation logic being configured to generate a retirement plan report describing the retirement income arrangement.