403(b) and 457 Plans for Nonprofit and Government Workers

Employees of nonprofits, schools, and government agencies get their own tax-advantaged retirement accounts, similar to a 401(k) but with distinct rules.

A 401(k) gets most of the attention when people talk about workplace retirement accounts, but it’s only available to employees of for-profit companies. Workers at public schools, universities, hospitals, nonprofits, and government agencies typically don’t have access to a 401(k) at all - instead, they’re offered a 403(b) plan or a 457 plan, two close cousins of the 401(k) built for the nonprofit and public sectors, with their own quirks worth understanding.

The 403(b): a 401(k) for nonprofit and school employees

A 403(b) plan works almost identically to a 401(k) in its basic mechanics. Employees contribute a portion of each paycheck, the money grows tax-deferred - meaning no income tax is owed on contributions or investment growth until money is withdrawn in retirement - and many employers offer an employer match, contributing additional money on top of what the employee sets aside, up to some percentage of salary. The name comes from the section of the tax code that authorizes it, much like the 401(k) is named after its own section.

Where a 403(b) differs from a 401(k) is mostly in the investment menu offered. Historically, 403(b) plans were limited to annuities and a narrower set of mutual funds, a legacy of how the plans were originally structured decades ago, though many modern 403(b) plans have expanded to offer investment choices much closer to what a typical 401(k) provides. It’s still worth checking a specific plan’s fees and options carefully, since some older 403(b) plans carry higher costs than a comparable 401(k) would.

A teacher's two-account strategy

Imagine a public school teacher has access to both a 403(b) and a 457 plan through her district. She can contribute to both accounts in the same year, each with its own separate contribution limit - meaning her total tax-advantaged retirement savings capacity is roughly double what a worker with access to only one such plan would have. Few employees max out both, but the option to use them together is a meaningful advantage of working in the public or nonprofit sector.

The 457: unusual withdrawal flexibility

A 457 plan is offered mainly to state and local government employees, and in some cases to employees of certain nonprofits. Like a 403(b), contributions are typically tax-deferred and grow without annual taxation. What sets a 457 apart is its withdrawal rules: unlike a 401(k) or 403(b), which generally impose a penalty for withdrawing money before age 59 and a half, a 457 plan allows withdrawals immediately after leaving the employer, at any age, without the usual early-withdrawal penalty - only regular income tax applies. This makes a 457 unusually useful for someone who plans to retire, or change careers, before traditional retirement age.

Assuming a 403(b) and 457 are interchangeable

Because both plans look similar on paper, it's easy to assume they follow identical rules. But the early-withdrawal penalty that applies to a 403(b) does not apply to a 457 once someone has separated from their employer - a difference that matters a great deal to someone considering early retirement. Confirming which specific plan type an account is, rather than assuming based on how it was described casually, is worth doing before making withdrawal decisions.

Why the distinction matters for public and nonprofit workers

Because 403(b) and 457 plans exist specifically for the nonprofit, education, and government sectors, workers moving between the private sector and these fields need to understand that their retirement account options change along with their employer type. A worker leaving a private company with a 401(k) to join a school district won’t automatically roll into a similar account - understanding whether the new employer offers a 403(b), a 457, or both, and how each behaves, directly shapes how that worker should plan contributions and eventual withdrawals.

Key takeaways

403(b) and 457 plans are tax-deferred retirement accounts built for nonprofit, education, and government employees.
A 403(b) works much like a 401(k), though some older plans offer a narrower, sometimes costlier investment menu.
A 457 plan allows penalty-free withdrawals immediately after leaving the employer, regardless of age.
Employees with access to both a 403(b) and a 457 can often contribute to each separately, roughly doubling their tax-advantaged savings capacity.
Understanding which plan type an employer offers matters for both contribution strategy and eventual withdrawal timing.