Updated 2026-04-21

401(k) Glossary: 50+ Retirement Terms Defined

Plain-language definitions of 401(k) and retirement plan terms. Vesting, RMD, QDRO, rollover, catch-up, and more.

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

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