HSA vs. Roth IRA vs. 401(k)

A 401(k) is a workplace retirement plan. It may include an employer match, Traditional contributions, Roth contributions, or both. A Roth IRA is an individual retirement account funded with after-tax dollars. An HSA is available only with eligible high-deductible health coverage.

The best account is not the same for every dollar. The first 401(k) dollars may unlock a match. HSA dollars may have unusually strong tax treatment. Roth IRA dollars may provide long-term tax-free retirement growth and more account control.

For eligible people, an HSA can be powerful because contributions may reduce taxable income, invested growth can be tax-free, and qualified medical withdrawals can be tax-free.

That combination can make HSA dollars especially attractive after the 401(k) match and urgent cash or debt needs are handled. The tradeoff is that HSA eligibility and medical-use rules matter.

A Roth IRA can be compelling when you want tax-free qualified withdrawals later, broad investment choice, and retirement flexibility. It can also be attractive for people in lower current tax brackets.

Income limits and backdoor Roth rules can complicate the decision for higher earners, especially if there is an existing pre-tax IRA balance.

A 401(k) often appears early because of the employer match. It can also stay high in the order when pre-tax deductions are valuable, when the plan has good funds, or when you are trying to shelter more income from current taxes.

Some plans add advanced features such as after-tax contributions and in-plan Roth conversion, often called a mega-backdoor Roth. That can create more tax-advantaged room after the regular limits are used.

Start by checking eligibility and free match dollars. Then compare tax treatment, fees, access rules, and how soon you need the money.

Next Dollar uses those inputs to produce an educational account order, including when HSA, Roth IRA, 401(k), 529, and brokerage accounts show up in the plan.