There is a folder in my desk with old 401(k) statements in it. Four employers. Four logos. One man getting older.
If you are past sixty, you probably keep a folder just like it.
Retirement turns that folder into a decision. Leave the money with the old employer, or roll it into an IRA. An IRA is an individual retirement account, opened in your own name at a bank or a brokerage.
Most people roll. This year that adds up to an estimated $941 billion. Cerulli Associates, a research firm that tracks the retirement business, sees the yearly figure reaching $1.3 trillion by 2031.
The reason is printed on birth certificates. More than 4.1 million Americans turn 65 every year through 2027. Each one is a rollover with a date already on it.
Ask people why they moved, and the answers are tidy. They wanted everything in one place. They did not want money parked with a former boss. And 56% wanted more investment choices.
That last reason changes the account. A workplace plan offers a short menu of funds. A brokerage IRA opens the whole store. Since January 2024, the shelves have even carried funds that track the price of bitcoin.
Some traders skip the coin entirely. They work its swings from the same kind of account. One of them makes his case just below.
Where the cohort’s money sits this quarter, and why the rollover lands right at the turn.
Back to the folder. Once that money lands, it joins the biggest pool in American retirement.
IRAs now hold $19.9 trillion. Workplace 401(k) plans hold $10.8 trillion. The gap keeps widening, and almost none of it is new saving.
The money rarely moves in pieces, either. Among households with a rollover, 86% moved the entire balance at once.
The IRS keeps the cleanest tally of how these accounts actually fill up.
$682B
Rolled into IRAs from workplace plans in 2023
$89B
Put into IRAs directly, as fresh savings, the same year
Close to eight rollover dollars for every dollar saved on purpose. The calendar does the selling for the firms that hold the accounts.
So who picks up the phone when that rollover call comes in?
Usually a rollover desk. That is a team at a big brokerage or fund company that walks new retirees through the paperwork, all day long. Its customers show up on a schedule, more than 11,200 birthdays a day.
The catch lands at the kitchen table. An IRA can cost more to run than the plan you left. Inside a workplace plan, the sponsor must act in your best interest under federal law. That duty does not always follow the money out the door.
A federal court struck down a 2024 rule meant to tighten the standard for rollover advice. So the biggest money decision of retirement often happens on one call, with someone paid to win it.
And the door swings one way. Money rolled out of a workplace plan generally cannot go back to that same plan.
This fall, many of those calls carry a second question. Election Day is two weeks from today. People my age want to know what Washington might change before the paperwork clears.
Some answer by moving a slice of the rollover into assets that sit outside the stock market. One firm wrote a guide on how those transfers work.
The arithmetic
Rollovers into IRAs of $941 billion in 2026, rising to about $1.3 trillion by 2031: Cerulli Associates estimates, reported by CNBC and InvestmentNews, June 2026. IRA assets of $19.9 trillion and 401(k) assets of $10.8 trillion at June 30, 2026: Investment Company Institute, The US Retirement Market, Second Quarter 2026. 56% of rollover households wanting more investment options, and 86% moving the entire balance: ICI, The Role of IRAs in US Households’ Saving for Retirement, 2025, released 2026. $682 billion rolled over and $89 billion contributed directly in 2023: IRS data, as reported June 29, 2026. Close to eight to one ($682B divided by $89B, about 7.7) is Boomers Trade’s own arithmetic. 4.1 million Americans turning 65 each year through 2027, more than 11,200 a day: Alliance for Lifetime Income, Peak 65 research. Funds tracking the price of bitcoin: first approved by the SEC in January 2024. Rollover-advice rule of 2024 struck down in federal court: as reported June 2026. Election Day: November 3, 2026. The folder of statements is the author’s own.
Watch one line this winter: IRA assets in the fund industry’s next quarterly count. Every new high is a few thousand retirement parties, banked. Before then, open the folder in your drawer. Know where every old plan sits before somebody calls to tell you.
Andrew
Boomers Trade is written by someone getting older right alongside you, and watching who profits from it.
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