what history actually did
Retire at 53 or at 55. The planner's Compare view runs both through every year of history since 1871. The gap is not two years of pay; it is what two years of pay and two fewer years of spending grow into.
You asked for the link. The planner every chart came from is one tap away; the slides are below if you want them again.
Open the planner Type in one paycheck. About three minutes, in the browser.
Where to go next
Type in one paycheck and it runs your plan through every year of market history since 1871, with the taxes worked out. About three minutes, in the browser.
Open itSources: Plan: age 45, $250,000 salary, $1.5M 401K, $150,000 Roth IRA, $400,000 taxable, 15% plus a 5% match, $120,000 a year in retirement, Social Security $4,000 at 67, California. 2026 dollars.; Engine output, paired across 106 cases since 1871, 2026 dollars.; Engine output, 2026 dollars..