Abandoned 401(k) Accounts Have Totaled $2.13 Trillion

Millions of workers have left retirement savings behind when changing jobs, risking higher fees and lost growth.

Updated on Sept. 23, 2026 in Retirement Planning

Bold flat-color editorial illustration of an industrial padlock on a gate, representing abandoned retirement assets. — Millions of American workers have left behind an estimated $2.13 trillion in abandoned 401(k) accounts, potentially costing them significant long-term growth and higher fees. AI Illustration. Upload story photo >

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Approximately 31.9 million abandoned 401(k) accounts now hold a combined $2.13 trillion in assets across the United States. Many workers leave these accounts behind when changing jobs, exposing their savings to potential fee erosion and poor investment allocations.

Why it matters

Leaving accounts behind can significantly reduce long-term wealth, as retail equity fund fees are often 0.34 percentage points higher than institutional equivalents. Over time, these costs and missed management opportunities can result in hundreds of thousands of dollars in reduced retirement readiness.

There are 31.9 million abandoned 401(k) accounts nationwide holding $2.13 trillion, with average balances growing to $66,691. These accounts often face retail fee markups of 0.34 percentage points compared to institutional funds, which can lead to significant wealth erosion.

The players

Fidelity Investments

A major financial services corporation providing retirement plan administration, brokerage accounts, and investment management services to millions of households.

The details

Workers often lose track of retirement assets when moving between employers, but these accounts remain subject to plan rules and potential forced distributions for balances under $7,000. When initiating a rollover, individuals must be cautious of indirect transfers where administrators withhold 20% for taxes. Proper consolidation into an Individual Retirement Account is generally suggested to maintain institutional fee structures and prevent early withdrawal penalties.

2019 data collection for Pew study
September 2021 publication of fee awareness survey
June 2022 publication of share class study
mid-2023 baseline for account growth
2025 release of report on abandoned accounts

Money Landscape

The buildup of $2.13 trillion in abandoned assets highlights a recurring friction in the U.S. retirement system as workers transition between jobs. This trend marks a departure from consolidated planning, placing more pressure on individuals to manage legacy accounts under ERISA fiduciary standards.

Review all past employer retirement portals to see if you have leftover balances that could be costing you in higher fees. If you have accounts with less than $7,000, consider consolidating them now to avoid forced distributions and potential tax penalties.

The takeaway

Failing to consolidate old 401(k) accounts can lead to higher fees and reduced long-term growth. Consult with a qualified financial or tax professional to evaluate whether a rollover to an IRA is appropriate for your specific retirement strategy.