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Why Tax Season is Your Last Chance to Save for Last Year

Jatniel Brito
7 minute read

Tax season is a natural checkpoint for reviewing your finances, including your taxes and retirement savings. It’s the window when you can still make IRA contributions for both the prior year and the current year.

The W-2 Paper Trail

While many people focus on making contributions during this period, it’s easy to overlook old or inactive 401(k) accounts that may still exist. In fact, nearly half of American taxpayers report only thinking about their finances when it’s time to file taxes, which can lead to missed opportunities for planning and managing retirement savings effectively. Filing taxes highlights your income, withholdings, and recent contributions. The real value, however, comes from using that paperwork as a chance to review your past financial decisions and take stock of your future.

Taking a moment during tax season to review your retirement accounts, including older or inactive ones, can help you see the full picture and make informed decisions for your long-term retirement strategy.

Your W-2s and 1099s are more than just tax forms, they can also serve as records of past employers and income. If you have a W-2 from a former job, check out Box 12. Certain codes there can indicate whether you contributed to a workplace retirement plan. Taking a moment now to review these documents can help you see the full picture and make informed decisions for your long-term retirement strategy.

The Data Snapshot: The Rise of Dormant 401(k)s

Workplace retirement plans have become more widely available in recent times. More employers now offer 401(k)s, and more employees have access to participate in them. At the same time, engagement has not kept pace.

PensionBee recently reported that over 30% of funded workplace retirement accounts are projected to be dormant by 2026. That figure was closer to 20% in 2012. That’s a huge leap in a relatively short amount of time. 

Even more striking, it is estimated that dormant accounts are growing nearly three times faster than active ones. This doesn’t mean people are opting out of saving. It means accounts are being left behind. The system succeeds at getting people started in retirement plans but struggles to keep them involved over time.

Retirement Accounts in a Mobile Workforce

On paper, the 401(k) system looks stronger than ever. More employers offer plans, enrollment starts earlier, and contributions can be automatic.

But careers have evolved over that time. With workers switching jobs an average of 12 times over a lifetime, few stay with a single employer for long and each move can leave behind another retirement account.

Those accounts don’t just disappear but attention to them often does. Many people plan to deal with old accounts later, and “later” can turn into years. The system was built for long, stable careers, but today’s workforce is far more mobile, and the structure hasn’t fully caught up.

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Job Changes and the Cost of Losing Visibility

When employees leave a job, they face several 401(k) options but guidance is often lacking. A PensionBee survey found that over half of workers (53%) said their former employer didn’t help them understand these options, and one in three (33%) received no information at all. Only 19% said their 401(k) choices were clearly explained during their exit interview, and just 10% received written guidance.

Automatic portability under the SECURE 2.0 rules aims to address this gap. By helping employees move retirement savings between accounts without taking a cash-out, portability helps make it simpler to track and manage savings. Still, even with this feature, accounts can be overlooked, and each job change adds complexity, highlighting the ongoing challenge of maintaining visibility over retirement savings.

Your Tax Season Options for an Old 401(k)

When leaving a job, or your tax documents reveal an old account, you generally have four choices:  

  • Leave 401(k) at old employer plan: Can be simple if fees are low and investment options are strong.
  • Roll over to a new employer plan: Reduces the number of accounts, but rules vary by plan.
  • Roll over into an IRA: Provides a single place to view and manage savings, with access to a wider range of investments.
  • Withdraw funds: Withdrawals may be subject to income taxes and, if taken before age 59½, a 10% early-withdrawal penalty may apply unless an IRS exception applies. 

Since these decisions often happen during a busy transition and without clear guidance, they can be easy to delay or overlook. Over time, the gap between action and awareness can grow. This leaves tax season as one of the few natural moments to step back, reconnect with where retirement savings actually live, and take stock of the full picture.

Tax Season Is a Moment to Take Stock

Tax season isn’t only about filing, it’s a chance to check in on your retirement accounts. Even if some accounts are tucked away or forgotten, tax documents can help you piece together your full financial picture. Use this time to take inventory: “How many retirement accounts do you have? Where did they come from? Are they still being actively managed?” Before making decisions, awareness of your accounts is the first step toward closing the gap between taxes and retirement savings.

Even if you’re no longer contributing, old 401(k)s and IRAs still play a role in your retirement plan. Forgotten accounts can be difficult to track, especially after multiple job changes but they don’t have to stay lost. Missing these accounts means leaving money on the table and underestimating your true retirement potential.

Tax filings provide a snapshot of the most recent year, but they don’t always capture everything. Older accounts may carry ongoing fees or investment allocations that no longer match your goals. By taking the time during tax season to review all your retirement accounts both new and old, you get a full picture of your savings, identify gaps, and make informed decisions to keep your retirement strategy on track.

The bottom line: Don't just file and forget. Use the 1040s and W-2s in your hands right now as a search party for your lost wealth. If you see a contribution on a W-2 from a former employer, that money is sitting in a “dormant” account. Tax season is your annual reminder to bring that money home before it’s eaten by fees or lost to time.

How PensionBee Fits In

401(k)s aren’t going away, and modern work patterns aren’t slowing down. As careers evolve, retirement savings can become spread across multiple accounts, making them harder to track over time. Tax season highlights what happened in the past year, but long-term retirement success depends on understanding the bigger picture, where your accounts are and how they fit together.

Staying engaged with your retirement savings starts with visibility and organization, so you can see what you have and manage it with confidence throughout the years. That’s where tools designed for today’s work patterns can make a real difference. PensionBee was built to help solve this visibility challenge by making it simple to consolidate old retirement accounts, including 401(k)s from previous employers, into one easy-to-manage IRA. This allows you to view your savings in one place and stay connected to your progress over time.

Your investment can go down as well as up. This post, and any associated customer testimonial or third party endorsement, is provided solely for informational and educational purposes, should not be taken as tax, legal, financial or investment advice and is not an offer, solicitation, or recommendation to buy or sell any securities or investments.

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