What Is A 401a Plan? - 401a plan vs 401k & 401a plan vs 403b

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March 28, 2025

What Is A 401a Plan? - 401a plan vs 401k & 401a plan vs 403b

401a retirement plan is a retirement scheme sponsored by an employer, structured as a money-purchase plan. Contributions can be made by the employer, the employee, or both, based on a fixed amount or percentage. The employer determines the eligibility criteria and vesting schedule. Employees can access their funds through a rollover to another qualified retirement plan, a lump-sum withdrawal, or an annuity.

What is a 401a Plan? - Basic Understanding

A 401(a) plan is an employer-sponsored retirement scheme, primarily used by government agencies, educational institutions, and non-profit organisations. It operates as a money-purchase pension plan, where contributions can be made by the employer, the employee, or both, based on a fixed amount or percentage.

 

The employer determines the eligibility criteria, contribution structure, and vesting schedule, which dictates when employees gain full ownership of the funds. Upon retirement or leaving the organisation, employees can access their savings through a rollover to another qualified retirement plan, a lump-sum payment, or an annuity.

 

A 401(a) plan provides a structured approach to retirement savings, ensuring financial security for employees while allowing employers to tailor the plan to their workforce’s needs.

Contributions for a 401(a) Plan

Your employer makes contributions to your 401(a) retirement plan on your behalf, helping to enhance your retirement savings on a pre-tax basis, while any earnings grow tax-deferred. This allows you to manage your personal income more flexibly, helping you work towards your short-, mid-, or long-term financial goals.

 

When planning your finances, be sure to consider any vesting schedule that applies to employer contributions. Even if you’re not fully vested, the value of your account may continue to grow over time through compounding.

 

In some cases, your employer may offer a 401(a) plan alongside other retirement options, such as a 403(b) or 457(b) plan. This setup allows you to maximise your savings across multiple accounts while benefiting from employer contributions to at least one of these plans.

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Investments for a 401(a)  Retirement Plan

A 401(a) plan gives employers greater control over their employees' investment options. Government employers offering 401(a) plans typically restrict investment choices to low-risk, secure options to minimise financial risk. While this ensures a level of retirement savings, employees must actively plan to meet their long-term retirement goals.

 

This focus on safety and stability helps protect retirement savings from major market downturns. However, it also limits opportunities for higher returns, which might be achievable through more diversified or aggressive investment strategies. As a result, employees in a 401(a) plan may experience more modest investment growth compared to those in plans with broader investment options, such as a 401(k).

401(a) Withdrawal Rules

1. Withdrawing After Leaving Employment

Once employment ends, participants can withdraw funds from their 401(a) account as needed, with the option to have payments automatically deposited into their bank account. However, withdrawals taken before the age of 59½ may be subject to a 10% early withdrawal penalty imposed by the IRS.

 

2. 401(a) Rollovers

Funds from a 401(a) retirement plan can be rolled over into various other retirement accounts, including 457 plans, IRAs, and other 401(a) plans, allowing continued tax-deferred growth.

 

3. Withdrawing While Still Employed

Withdrawal options during active employment vary by plan. Some plans may allow access to voluntary, after-tax contributions at any time, while others permit withdrawals once an employee reaches a certain age, such as 59½, 70½, or the plan’s designated retirement age.

Withdrawals made after age 59½ while still employed are not subject to the early withdrawal penalty.

 

4. Required Minimum Distributions (RMDs)

If no longer employed, participants must begin withdrawing funds by age 73 to comply with IRS Required Minimum Distribution (RMD) rules.

Understanding these rules ensures that participants make informed financial decisions while optimising their retirement savings.

401a plan vs 401k

Key Differences Between 401(a) and 401(k) Plans

The main distinction lies in employee contributions. A 401(k) plan allows employees to contribute using pre-tax dollars, while 401(a) plans may permit employee contributions, but these are usually after-tax and mandatory. Employees in a 401(k) plan have the flexibility to choose their contribution amount, whereas 401(a) plans often have fixed contribution structures set by the employer.

Comparison of 401(a) Plan vs 401(k) Plan

Feature 401(a) Plan 401(k) Plan
Who can offer it? Any employer, including government organisations Any employer, including government employers with plans established before May 6, 1986
Who can participate? Employees of the organisation Employees of the organisation
Can employees contribute? Yes, but typically on an after-tax basis. Government employees should check their plan documents. Yes, usually on a pre-tax basis. Some employers also allow after-tax contributions.
Can employers contribute? Yes Yes
Contribution limit (2024) The lesser of $69,000 or total compensation, including after-tax contributions and employer contributions. The lesser of $69,000 or total compensation, including pre-tax contributions (up to $23,000), after-tax contributions, and employer contributions.
Catch-up contributions (for age 50+)? No Yes, up to $7,500
Employer matching contributions? Yes Yes
Vesting schedule allowed? Yes Yes
Required Minimum Distributions (RMDs)? Yes Yes
Rollovers allowed? Yes, but subject to plan-specific rules. Yes, but subject to plan-specific rules.
Are loans allowed? Yes, up to 50% of the vested balance or $50,000, whichever is lower. Yes, up to 50% of the vested balance or $50,000, whichever is lower.

Source: Retirement Planning Experts

401a plan vs 403b

 

Employers may offer a 401(a) plan, a 403(b) plan, or a combination of both as part of their retirement benefits. However, employees typically do not have the option to choose between these plans, as the employer determines the retirement savings structure.

Below is a comparison of the key similarities and differences between 401(a) and 403(b) plans:

Comparison of 401(a) Plan vs 403(b) Plan

Feature 401(a) Plan 403(b) Plan
Who can offer it? Any employer Nonprofit 501(c)(3) organisations, including universities, public schools, and churches
Who can participate? Employees of the organisation Employees of the organisation
Can employees contribute? Yes, typically on an after-tax basis (government employees should check plan rules). Yes, primarily on a pre-tax basis, though some employers allow after-tax contributions.
Can employers contribute? Yes Yes
Contribution limit (2024) The lesser of $69,000 or total compensation, including after-tax contributions and employer contributions. The lesser of $69,000 or total compensation, including pre-tax contributions (up to $23,000), after-tax contributions, and employer contributions.
Catch-up contributions (for age 50+)? No Yes, up to $7,500. Employees with 15+ years of service may qualify for additional contributions—check plan documents for details.
Employer matching contributions? Yes Yes
Vesting schedule allowed? Yes Yes
Required Minimum Distributions (RMDs)? Yes Yes
Rollovers allowed? Yes, but subject to plan-specific rules. Yes, but subject to plan-specific rules.
Are loans allowed? Yes, up to 50% of the vested balance or $50,000, whichever is lower. Yes, up to 50% of the vested balance or $50,000, whichever is lower.

Source: Retirement Planning Experts

Botto Line

A 401(a) plan is a tax-advantaged retirement savings account designed for public-sector employees. These plans generally provide fewer investment options compared to other retirement plans and are considered relatively low-risk. While employers can mandate participation, employees who contribute may also be eligible for a tax credit.

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