Updated 2026-04-21

How to Become a 401(k) Millionaire: Timeline and Strategy

The math, timelines, and habits behind building a million-dollar 401(k). How long it takes, catch-up contribution effects, and mistakes that derail progress.

Key Takeaways

2026 Quick Reference

$24,500
2026 Deferral Limit
$72,000
Total 415(c) Limit
59½
Penalty-Free Age
73
RMD Start Age

Related Guides

Pavlo Pyskunov

Pavlo Pyskunov

Managing Director & Investment Fund Director

Pavlo Pyskunov analyzes employer-sponsored retirement plans using IRS publications and DOL Form 5500 filings, helping workers maximize their 401(k) savings through data-driven guidance.

Last updated: 2026-04-21

Related Articles

Average 401(k) Balance by Age in 2026 (+ Calculator)

How does your 401(k) compare? National average and median balances by age group with a savings benchmark calculator.

How Much Should You Save for Retirement? (+ Calculator)

Calculate your retirement savings target using the 4% rule, income replacement ratios, and identify any savings gap.

Free 401(k) Calculator (2026) - Project Your Retirement Savings

Free 401(k) retirement calculator with live market data. Project your savings, employer match, and compound growth.

401(k) Contribution Limits 2020-2026

IRS-verified 401(k) contribution limits for 2026: $24,500 employee, $8,000 catch-up, $11,250 super catch-up.

401(k) Employer Match Guide & Calculator (2026)

How employer matching works, common match formulas, vesting schedules, and a free match calculator to maximize your f...