Roth IRA vs. 401(k): Which Should You Prioritize?

If you can only fund one account this year, or you have limited money to split between the two, the order matters more than the total amount. Get the sequence wrong and you leave employer money on the table or pay more tax than you need to in retirement. Here is the priority order that works for most people, the numbers behind it, and the situations where it should flip.

The priority order, in one line

1. 401(k) up to the full employer match → 2. Roth IRA up to the max → 3. Back to the 401(k) for anything more you can save.

This order exists because each step has a different “price” attached, and skipping a cheaper step to fund a more expensive one costs you money.

Step 1: Always capture the full employer match first

If your employer matches 401(k) contributions — commonly 50% or 100% of what you put in, up to 3 to 6 percent of your salary — that match is an immediate, guaranteed return before your money is even invested. No Roth IRA, no investment, and no debt payoff beats a 50-100% instant return. Contribute at least enough to get every dollar of the match before you send money anywhere else. See how a 401(k) employer match works if you are unsure what your plan offers.

Step 2: Fill the Roth IRA next

Once the match is fully captured, redirect additional savings to a Roth IRA rather than adding more to the 401(k). Three reasons this account usually comes second, not third:

• Tax-free growth and withdrawals. You contribute after-tax dollars, but every dollar of growth and every withdrawal in retirement is untaxed — no tax bill waiting for you decades from now, unlike a traditional 401(k).
• No required minimum distributions (RMDs). A Roth IRA is not subject to RMDs during your lifetime, so the money can keep growing untouched as long as you want, and it passes to heirs with the same tax-free treatment.
• More investment choices and lower fees. A 401(k) limits you to whatever funds your employer picked, often with higher expense ratios. An IRA at a major brokerage gives you access to any index fund, ETF, or individual stock, usually cheaper.

For 2026, the Roth IRA contribution limit is $7,500 ($8,600 if you are 50 or older). If your income is above the phase-out range (roughly $153,000–$168,000 single, $242,000–$252,000 married filing jointly), you cannot contribute directly — a backdoor Roth conversion is the workaround, and it is worth understanding before you assume the door is closed.

Step 3: Go back to the 401(k) for anything left over

If you max the Roth IRA and still have money to save, return to the 401(k) and contribute beyond the match, up to the 2026 limit of $24,500 ($33,000 with the 50+ catch-up). This soaks up any remaining tax-advantaged room and, for high earners, provides a current-year tax deduction that a Roth IRA does not.

When to flip the order

The Roth-second rule is a default, not a law. Consider prioritizing the 401(k) beyond the match instead when:

• You expect a lower tax rate in retirement than today — a traditional 401(k) deduction is worth more now if you are in a high bracket and expect to draw it down in a lower one later.
• You need the current-year tax deduction to stay under an income threshold for another benefit (student loan repayment plans, ACA subsidies, etc.).
• Your employer offers a Roth 401(k) option with no income limit — if you want Roth-style tax treatment but earn too much for a Roth IRA, a Roth 401(k) lets you contribute far more ($24,500 vs. $7,500) with the same tax-free growth.

A quick comparison

What this looks like in practice

Say you earn $60,000 and your employer matches 100% of the first 4% you contribute. Put in 4% ($2,400/year) to get the full $2,400 match — that is a guaranteed 100% return before anything else. If you can save more, the next dollars go to a Roth IRA up to $7,500. Only after both of those are full does additional 401(k) contribution make sense. Before locking money away in any retirement account, make sure you have at least $1,000 saved as a starter emergency fund — retirement accounts penalize early withdrawals, and a cash cushion keeps you from tapping them.

The bottom line

Match first, Roth IRA second, back to the 401(k) third — that sequence captures free money, then locks in tax-free growth, then uses any remaining capacity for additional tax-advantaged savings. The order can flip if you expect higher taxes now than in retirement, but for most savers building wealth over decades, this is the path that keeps the most money working for you. For the account basics, see what a 401(k) is and Roth IRA vs. traditional IRA.