Skip to main content

How to Calculate Retirement Income Gap

What is Retirement Income Gap?

Calculates the retirement savings shortfall or surplus between projected needs and available resources.

Formula

Gap = Total Retirement Needs - (Savings + Social Security + Pensions)

Step-by-Step Guide

  1. 1Estimate annual retirement expenses
  2. 2Input years in retirement
  3. 3Account for inflation and investment returns

Worked Examples

Input
$60k annual need, 30 years, 3% inflation, $500k saved, 4% withdrawal
Result
Gap analysis shows adequate/shortfall
Comprehensive retirement planning

Common Mistakes to Avoid

  • Not adjusting expenses for inflation
  • Overestimating safe withdrawal rates

Ready to calculate? Try the free Retirement Income Gap Calculator

Try it yourself →

Settings

PrivacyTermsAbout© 2026 PrimeCalcPro