Retirement planning includes identifying income sources, sizing up expenses, implementing a savings program, and managing assets and risk.

Retirement planning involves determining retirement income goals and what's needed to achieve those goals. Retirement planning includes identifying income sources, sizing up expenses, implementing a savings program, and managing assets and risk. Future cash flows are estimated to gauge whether the retirement income goal is possible.

You can start at any time, but it works best if you factor it into your financial planning as early as possible. That’s the best way to ensure a safe, secure—and fun—retirement.