Updated for 2026 IRS limits

401(k) vs 457(b): Why Government Employees Have a Hidden Advantage

Both plans share the same 2026 contribution limit — but the 457(b) has two features unavailable in any 401(k): no early withdrawal penalty and a double catch-up in the final 3 years before retirement.

401(k)
Private & public sector employers
2026 limit$24,500
Age 50+ catch-up+$8,000
Super catch-up (60–63)+$11,250
Last-3-years catch-upNot available
Early withdrawal penalty10% + taxes
Stacks with 457(b)?No
VS
457(b)
Government & some non-profit employers
2026 limit$24,500
Age 50+ catch-up+$8,000
Super catch-up (60–63)+$11,250
Last-3-years catch-upUp to $49,000 ✓
Early withdrawal penaltyNone on separation ✓
Stacks with 403(b)?Yes — separate limits ✓
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📋 Data note: The IRS sets identical dollar limits for 401(k), 403(b), governmental 457(b), and the federal TSP. All figures on this page use the same 2026 IRS limits. The key differences between 401(k) and 457(b) are structural rules — not dollar amounts.

Full Feature Comparison

Same dollar limits — very different rules on access, catch-ups, and stacking.

Feature 401(k) 457(b) — Governmental
Who Offers It
Private sector; some public employers State & local government; some non-profits
2026 Employee Deferral Limit
$24,500 $24,500
Age 50+ Catch-Up
+$8,000 +$8,000
SECURE 2.0 Super Catch-Up (Age 60–63)
+$11,250 +$11,250
Last-3-Years Catch-Up
Exclusive to 457(b)
Not available Up to $49,000/yr ✓
2× normal limit in final 3 years
Early Withdrawal Before 59½
10% penalty + taxes No 10% penalty ✓
Ordinary income tax only, on separation
In-Service Withdrawals (before separation)
Generally not allowed before 59½ Very limited — typically requires unforeseeable emergency or age 70½
Stacks With Other Plans?
Generally no (shared limit with same employer's 403b) Yes ✓ — separate limit from 403(b)/401(k)
Can Roll to IRA on Separation?
Yes — to Traditional IRA or new plan Governmental: Yes ✓
Non-governmental: No
Employer Match / Contribution
Common — typical 50–100% match up to 4–6% of pay Less common — varies by government employer
ERISA Protections
Yes (most plans) Governmental: exempt from ERISA
Non-governmental: subject to ERISA
Creditor Protection
Strong ERISA protection Governmental: varies by state law
Non-governmental: assets belong to employer — at risk!
RMD Start Age
Age 73 Age 73
Tax Treatment
Traditional (pre-tax) or Roth Traditional (pre-tax) or Roth

The 457(b) Last-3-Years Double Catch-Up

This is one of the most powerful catch-up provisions in the US retirement code — and most 457(b) participants don't know about it.

📊 401(k) Catch-Ups (Age-Based)
Base limit$24,500
Age 50–59 / 64++$8,000 = $32,500
Age 60–63 (SECURE 2.0)+$11,250 = $35,750
Last-3-years doubleNot available
🏛️ 457(b) Catch-Ups
Base limit$24,500
Age 50–59 / 64+ (standard)+$8,000 = $32,500
Age 60–63 (SECURE 2.0)+$11,250 = $35,750
Last-3-years double catch-upUp to $49,000/yr ✓

How the Last-3-Years Catch-Up Works

1
Applies in the 3 calendar years before the normal retirement age specified in your 457(b) plan document (e.g., if your plan's normal retirement age is 60, you could use this in years 57, 58, and 59).
2
Allows contributing up to 2× the annual limit — in 2026, that's up to $49,000 ($24,500 × 2).
3
The extra contribution is limited to unused contribution room from prior years — if you maxed out every year, there's no extra room. This is most valuable for employees who under-contributed in earlier years.
4
This catch-up cannot be combined with the age-50 standard catch-up in the same year — you use whichever is larger.

Stacking 457(b) + 403(b): Up to $49,000 in Deferrals

Many government employers (schools, hospitals, municipalities) offer both a 403(b) and a 457(b). These have completely separate contribution limits.

🏛️ Example: Teacher with both 403(b) and 457(b) — 2026

403(b) employee deferral$24,500
457(b) employee deferral$24,500
Total employee deferrals$49,000
+ Employer contributions (both plans)varies
🏆 Combined total (before employer)$49,000

This is one of the most powerful tax-deferral opportunities in the entire US tax code. A private sector worker maxes out at $24,500 in employee deferrals. A public school teacher who uses both plans can shelter up to $49,000 — nearly double. Ask your HR department whether your employer offers a 457(b) alongside your existing 403(b) or pension.

Pros & Cons

📊 401(k)
Pros
  • Employer match widely available — often 50–100% on first 3–6% of salary
  • Strong ERISA creditor protection
  • Available to most private sector workers
  • SECURE 2.0 super catch-up ($11,250) for ages 60–63
  • Both Traditional and Roth options in most plans
Cons
  • 10% early withdrawal penalty before 59½ (in addition to income taxes)
  • No last-3-years double catch-up option
  • Cannot stack a separate $24,500 with a 457(b) from the same employer
  • Must wait until 59½ (or rule of 55) for penalty-free access
🏛️ 457(b) — Governmental
Pros
  • No 10% early withdrawal penalty — withdraw on separation from service at any age
  • Last-3-years double catch-up — up to $49,000 in final 3 years before plan's retirement age
  • Separate contribution limit — stacks with 403(b) for up to $49,000 total employee deferrals
  • Ideal for public safety workers (police, firefighters) who retire at 50–55
  • SECURE 2.0 super catch-up also available (60–63)
Cons
  • Only available to government and some non-profit employees
  • Employer match less common
  • Non-governmental 457(b): cannot roll to IRA — funds stay at risk with employer
  • In-service withdrawals very restricted — generally only for unforeseeable emergencies
  • Governmental 457(b): exempt from ERISA — fewer federal protections

Which Should You Prioritize?

Prioritize 401(k) if…
  • Your employer offers a match — always capture the full match first
  • You're in the private sector with no access to a 457(b)
  • You want strong ERISA creditor protection
  • You plan to retire after 59½ (no need for penalty-free early access)
  • Your 401(k) offers better investment options than your 457(b)
Prioritize / Also Use 457(b) if…
  • You're a public safety worker planning to retire before 59½
  • Your employer offers both 403(b) and 457(b) — use both for $49,000 total
  • You want maximum flexibility to access funds early without penalty
  • You're in the last 3 years before plan's retirement age — double catch-up window
  • Your 401(k) or 403(b) is maxed and you want more tax-deferred space
⚠️ Non-governmental 457(b) warning: Non-profit employees may have access to a non-governmental 457(b). Unlike the governmental version, non-governmental 457(b) funds are employer assets — if your employer becomes insolvent, those funds can be seized by creditors. Additionally, non-governmental 457(b) plans cannot be rolled over to an IRA. Carefully evaluate your employer's financial stability before heavily relying on this account.

Common Questions

Why does the 457(b) have no early withdrawal penalty?

The 457(b) was originally designed as a deferred compensation plan — not a retirement savings incentive — so Congress didn't include the standard 10% penalty. When a governmental 457(b) participant separates from service (retires, changes jobs, or is laid off), they can access their funds paying only ordinary income tax. There's no age requirement. This is a genuine structural advantage, not a loophole.

Does the 457(b) limit count against my 401(k) limit?

No. The 457(b) has its own completely separate contribution limit from the 401(k) and 403(b). This is codified in IRC §457 vs §401. A government teacher could contribute $24,500 to their 403(b) AND another $24,500 to their 457(b) — a total of $49,000 in employee deferrals in 2026.

Can I roll over a 457(b) to an IRA?

Governmental 457(b) accounts can be rolled to a Traditional IRA, Roth IRA (with taxes due), another governmental 457(b), 401(k), or 403(b) — tax-free as a direct rollover. Non-governmental 457(b) accounts cannot be rolled to an IRA or 401(k); they can only be transferred to another non-governmental 457(b) plan. This is a critical distinction when considering job changes.

Can I use the 457(b) last-3-years catch-up and the age-50 catch-up in the same year?

No — you cannot combine them. You must use whichever is larger. In practice, the last-3-years catch-up (up to $49,000 total) is almost always larger than the age-50 standard catch-up ($32,500 total), so it's typically used instead. However, if you've already maxed out your prior years' contributions, there may be no unused room, making the last-3-years catch-up worthless in that case.

What happens to my 457(b) if I change government employers?

You can roll your governmental 457(b) to your new employer's governmental 457(b), a 401(k), 403(b), or a Traditional IRA — all tax-free as direct rollovers. Rolling to an IRA is often preferred for investment flexibility and to preserve the ability to roll back into a future employer plan if needed. Once rolled to an IRA, the 457(b) no-penalty-on-separation feature is lost — the standard IRA rules (10% penalty before 59½) apply.