If you work for a state government, city, county, school district, or public university, you likely have access to a retirement account that most private-sector workers never hear about. The governmental 457(b) plan lets you withdraw money at any age after leaving your employer with zero 10% early withdrawal penalty. No age requirement, and no Rule of 55 workaround needed, which allows 401(k) participants who leave their employer at age 55 or older to take penalty-free withdrawals from that plan. Just walk away from the job, and the money is yours, taxable as ordinary income but penalty-free.
Who Can Use a 457(b)
Access is limited to employees of state and local governments and certain tax-exempt organizations. If your W-2 comes from a city, county, state agency, public school, or public university, your employer almost certainly offers one. Private-sector employees cannot participate in a governmental 457(b). There is a separate non-governmental 457(b) for certain nonprofits, but it lacks the penalty-free withdrawal feature.
The Contribution Math
The 457(b) has its own contribution limit, completely separate from a 401(k) or 403(b). In 2026, the base limit is $23,500. If your employer also offers a 401(k) or 403(b), you can max out both simultaneously. A public university employee participating in both a 403(b) and a 457(b) can shelter $46,500 from federal taxes in a single year, before any catch-up contributions.
At 50, you can contribute an additional $8,000 to the 457(b), bringing the total to $32,500. Between ages 60 and 63, secure 2.0’s super catch-up replaces the standard catch-up with $11,250, for a total of $35,750 in the 457(b) alone.
A third option unique to the 457(b) is the pre-retirement catch-up. In the three calendar years before your plan’s defined normal retirement age, you can contribute up to double the standard limit, or $49,000 in 2026. You cannot stack the pre-retirement catch-up with the age-based catch-ups. You choose the one that gives you the larger number, which is almost always the pre-retirement double limit.
The Penalty-Free Withdrawal Advantage
A 55-year-old public school administrator who retires early and needs income before 59½ faces a straightforward choice. Withdrawals from a traditional IRA or rolled-over 401(k) trigger a 10% penalty on every dollar taken before 59½. On a $60,000 withdrawal, that is $6,000 in penalties on top of ordinary income tax. The 457(b) has no such penalty. The same $60,000 withdrawal is taxed as income and nothing more.
The IRS makes this explicit: distributions from a governmental 457(b) plan are not subject to the 10% additional tax except for distributions attributable to rollovers from another type of plan. That last clause matters. If you roll a 401(k) into your 457(b), those rolled-over dollars lose the penalty exemption. Keep the accounts separate if early access is part of your plan.
The Tax Cascade Still Applies
Penalty-free is still taxable as ordinary income. Every dollar withdrawn from a traditional 457(b) counts as ordinary income.
First, up to 85% of your social security benefit becomes taxable once combined income exceeds $34,000 for single filers. Second, if your modified adjusted gross income from 2024 exceeded $109,000 as a single filer, your 2026 Medicare Part B premium rises from $202.90 per month to $284.10 because of IRMAA (the Income-Related Monthly Adjustment Amount, Medicare’s income-based surcharge system). That first IRMAA tier costs an extra $1,148 per year per person. The surcharge is determined using a two-year lookback, so a large 457(b) withdrawal today affects your Medicare premiums in 2028.
A retiree in the 22% bracket who triggers Social Security taxation and crosses the first IRMAA threshold faces a meaningfully higher effective marginal rate on the dollars that pushed them over. The 457(b)’s penalty exemption is real, but it does not insulate you from this.