Plan Design - Trends and Client Case Studies with 401k Plan Professionals advisor, Jenna Witherbee

401(k) Redesign Imperative

The U.S. retirement system is undergoing its most significant overhaul in years as provisions from the SECURE 2.0 Act of 2022 reach key implementation stages in 2026. A central change requires that catch-up contributions—extra deferrals up to $8,000 (or $11,250 for ages 60-63 under super catch-up rules)—by employees whose prior-year Social Security wages exceed $150,000 must be made on a Roth (after-tax) basis. This applies only if the plan permits Roth contributions; otherwise, high earners lose access to catch-ups altogether.

Many plans, particularly those sponsored by smaller or mid-sized employers, have historically offered only pre-tax deferrals. Adding Roth functionality demands plan amendments, updated participant communications, payroll system changes, and recordkeeper coordination. The deadline for most SECURE 2.0-related amendments is December 31, 2026, creating a compliance crunch. Failure to act could trigger IRS penalties, fiduciary breaches under ERISA, or disrupted employee savings strategies, especially for owners and executives who rely heavily on catch-ups.

Broader plan design trends reflect mounting pressure on retirement readiness. Surveys show persistent low confidence among younger workers facing student debt and living costs, prompting employers to prioritize features like automatic enrollment (mandatory for most new plans since 2025), automatic escalation, and generous matching to drive participation. Company matches remain a top tool for attracting talent, with some employers considering increases despite cost concerns.

Non-obvious tensions include the trade-off between Roth's long-term tax advantages—tax-free growth and withdrawals—and the immediate hit to take-home pay for high earners forced into Roth catch-ups. This could discourage contributions among those in high-tax brackets or states, potentially widening retirement inequality. Meanwhile, the push for in-plan retirement income solutions, such as annuity options or systematic withdrawals, gains traction as baby boomers retire, but adoption lags due to fiduciary scrutiny and complexity.

State-mandated retirement programs in over 20 jurisdictions add further complexity, often requiring employers without plans to auto-enroll workers into state IRAs, pressuring private 401(k) sponsors to enhance offerings or risk losing talent to competitors with superior benefits.