Fidelity, AARP sound the alarm on a serious 401(k) problem

More Americans are reaching into their retirement accounts before they should. The reasons are understandable. The consequences are not always visible until it is too late.

Two of the most influential names in retirement planning are now making sure workers understand exactly what that decision costs before they make it.

Fidelity and AARP’s about early 401(k) withdrawals

Both Fidelity and AARP are warning workers that tapping a 401(k) before age 59-and-a-half can be far more expensive than it looks. The warning is not about market risk or investment strategy. It is about a math problem that catches workers off guard when they are already under financial pressure.

Marc Russell of BetterWallet, quoted by AARP, put the cost plainly. “When you withdraw from a 401(k) before age 59-and-a-half, you may owe ordinary income taxes plus a 10% penalty, meaning you could lose 25% to 35% of what you take out,” he said.

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“Translation: A $20,000 withdrawal might net you only $12,000 to $14,000 after taxes and penalties,” AARP added.

That is not a worst-case scenario. It is the standard outcome for most workers who take an early distribution without qualifying for an exception.

Why this warning is landing now and what the 401(k) data show

The timing reflects a measurable trend. Vanguard’s Vanguard’s 2026 report found that roughly 6% of 401(k) participants tapped their accounts early for financial hardship in 2025, up from 5% in 2024.

Fidelity’s own data point in the same direction. “Hardship withdrawals have also been increasing, affecting 2.5% of workers in 2025,” Fidelity said in its Fidelity’s Q4 report.

The rise reflects how the cost of living has squeezed household budgets. When workers face debt or a family emergency, a retirement account can look like available cash. The 10% penalty feels abstract compared to an immediate need. The actual cost is not.

The hidden loss that makes premature 401(k) withdrawals so expensive

The 10% penalty and income taxes are visible. The compounding loss is not. When money leaves a tax-advantaged account, it stops growing without being reduced by taxes each year. The longer the withdrawal happens before retirement, the larger the gap between what the money could have become and what it actually becomes.

The IRS treats distributions before age 59-and-a-half as early withdrawals subject to the additional 10% tax unless a specific exception applies. Those exceptions are narrower than most workers assume.

The Rule of 55 may allow penalty-free access to a former employer’s workplace plan for workers who separate from service in or after the year they turn 55. It does not apply to IRA rollovers, and it does not eliminate income tax.

For most workers considering an early withdrawal, the penalty applies, the taxes apply, and the compounding loss begins the moment the money leaves the account.

For younger workers, the math applies over even longer time horizons.

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What Fidelity and AARP say workers should consider instead of early withdrawals

Both organizations point to alternatives that may preserve retirement savings without leaving workers without options. A 401(k) loan, depending on plan rules, allows borrowing against the account balance rather than permanently removing the money. If repaid, the money returns to the account and continues to grow.

AARP also emphasizes building an emergency fund before any financial crisis arrives. Advisors generally recommend three to six months of living expenses in a liquid account. That cushion means a job loss or medical bill does not force a retirement account decision under pressure.

For workers who have already left a job and are over age 55, the Rule of 55 may provide a penalty-free path to accessing a former employer’s 401(k). Workers should verify eligibility directly with their plan administrator before assuming the exception applies.

Key figures on 401(k) early withdrawal costs and trends:Tax and penalty combined: Workers under 59-and-a-half typically lose 25% to 35% of what they withdraw after income taxes and the 10% early withdrawal penalty, according to AARP.Example: A $20,000 withdrawal may net only $12,000 to $14,000 after taxes and penalties, AARP confirmed.Hardship withdrawal trend: 6% of 401(k) participants tapped accounts early in 2025, up from 5% in 2024, a Vanguard’s 2026 report revealed.Fidelity data: Hardship withdrawals affected 2.5% of workers in 2025, according to Fidelity’s Q4 report.IRS rule: Distributions before age 59-and-a-half are subject to an additional 10% tax unless a specific exception applies, according to the IRS.Rule of 55: May allow penalty-free access to a former employer’s 401(k) for workers who separate from service in or after the year they turn 55; does not apply to IRA rollovers, the IRS confirmed.What this means for workers approaching retirement and those still years away

For workers close to retirement, every dollar removed early arrives smaller, stops growing, and creates a gap that is harder to close with each passing year. A $20,000 withdrawal at 45 costs not just the $6,000 to $8,000 lost to taxes and penalties but also the compounding that money would have produced over two decades inside a tax-advantaged account.

For younger workers, the math applies over even longer time horizons. The 10% penalty may feel like the whole cost. The compounding loss is the larger number, however, and it does not appear on any statement until retirement when the balance reflects what was never there.

Fidelity and AARP are not arguing that workers should never access retirement savings in an emergency. They are arguing that the real cost is almost always larger than the immediate cash need.

Workers who understand that math before making the decision are more likely to find a path that does not permanently damage their retirement security. The warning is simple: The 401(k) is built for the long game, and treating it like a backup checking account is one of the most expensive mistakes a retirement saver can make.

Related: A $2 billion tech firm is halting 401k contributions for staff

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