By Marc Gilman
Questions? Call (800) 927-9326 or email
Key Takeaways
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Vanguard — the largest target-date fund manager, overseeing roughly 40% of the $4.5 trillion held in these funds — is launching a new series in 2026 that lets workers convert a portion of their 401(k) into guaranteed lifetime income through a TIAA annuity.
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This isn’t just a Vanguard move. BlackRock, State Street, AllianceBernstein, and T. Rowe Price have all launched their own versions of target-date funds with embedded annuities, each structured differently.
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Adoption is still early but growing fast. Around 4% of 401(k) plans currently offer a target-date fund with an annuity option — a meaningful jump from having almost no availability just a couple of years ago.
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Once you annuitize, the decision is irreversible. You can add spousal continuation or a death benefit for heirs before starting income, but you can’t change your mind once lifetime payments begin.
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The specific structure varies enormously by provider — how much of your balance gets allocated, when payments can start, whether it’s fixed or variable, and what it costs all differ meaningfully across the major players.
How Vanguard’s New Fund Actually Works
Vanguard’s new series, called the Target Retirement Lifetime Income Trusts, uses an insurance contract from TIAA — a firm with deep roots managing retirement plans for nonprofits and universities — layered inside an otherwise ordinary target-date fund.
Starting at age 55, the fund begins allocating a portion of your account into a TIAA insurance contract, which effectively takes the place of part of your bond holdings. By age 65, that allocation typically grows to around 25% of your balance, invested in the TIAA Secure Income Account — currently paying a guaranteed interest rate of 4.05%, with a higher rate available for workers who’ve been contributing longer.
When you leave your job or retire, you have real flexibility in how you use that balance:
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Purchase a TIAA fixed annuity with some or all of it, starting immediate lifetime payments, or
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Leave the money in the fund, continuing to collect the guaranteed interest rate, while keeping the option open to annuitize later whenever you choose.
What You Give Up Once Income Starts
Once you begin taking lifetime annuity payments, that decision is final — you can’t unwind it. Before starting income, you can elect to have payments continue over a spouse’s lifetime, or add a death benefit for other heirs, but these choices need to be made upfront.
It’s also worth knowing that the TIAA annuity isn’t inflation-adjusted, though TIAA has historically paid additional profit-sharing amounts in some years on top of the guaranteed rate. That’s a meaningful difference from something like Social Security, which does adjust automatically for inflation.
Cost
Vanguard currently charges 0.08% a year for its standard target-date funds — genuinely low by industry standards. The cost of the new annuity-embedded series hadn’t been made public as of this writing and is expected to be announced closer to launch.
Why This Is Happening Now
For decades, employer retirement plans focused almost entirely on helping workers build up bigger account balances — accumulation, not distribution. As traditional pensions have become rare and 401(k)s have become the default, that’s left a real gap: far less guaranteed income in retirement than previous generations had. Target-date funds with embedded annuities are a direct response to that gap — a way to rebuild some pension-like guaranteed income inside the exact same fund people already default into.
Annuities specifically appeal here because they’re insulated from stock market losses and can eliminate the risk of running out of money altogether — a different kind of security than simply having a larger balance invested in stocks and bonds.
How Other Major Providers Compare
Vanguard isn’t alone, and the structures vary meaningfully across the field:
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BlackRock’s LifePath Paycheck invests in group annuity contracts starting at age 55, growing to roughly 30% of assets by 65. Between ages 59½ and 71, participants can purchase a fixed annuity with immediate payments.
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State Street’s IncomeWise allows up to 25% of a worker’s balance into a deferred annuity that doesn’t start paying until age 78 — a later start that translates into a higher monthly income than an immediate annuity would provide.
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AllianceBernstein offers a target-date fund built around a variable annuity, which keeps some market exposure. Retirees can cash out their balance at any time, canceling the annuity entirely. The fee runs around 1.25% a year — notably higher than Vanguard’s standard target-date fee.
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T. Rowe Price launched a fund that pays a 7.5% payout rate on the invested balance, with deferred annuity payments beginning 15 years later.
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Fidelity, the second-largest target-date fund manager, initially held off on adding annuities to its lineup — but announced its own version, called Freedom Lifetime, in mid-2026, set to roll out starting in early 2027.
Most of these funds, including Vanguard’s, leave the actual annuity purchase decision up to the individual worker. A few automate the purchase by default, unless the participant specifically opts out.
Why Employers Are Moving Cautiously
Despite the growing number of options, many employers are taking a wait-and-see approach. The higher costs and added complexity of these products are a real factor, and there’s a genuine practical problem: comparing target-date funds that each use a different type of annuity — fixed versus variable, immediate versus deferred, different payout structures — is difficult even for professionals who evaluate retirement plans for a living.
Questions Worth Asking
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Does your 401(k) plan currently offer (or plan to offer) a target-date fund with an embedded annuity option?
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If so, is the annuity fixed or variable, and does it start paying immediately or after a deferral period?
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Do you know the actual cost of the annuity-embedded fund compared to a standard target-date fund in the same plan?
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Would you want the option to add a spousal continuation or death benefit before starting any lifetime income?
What To Do Next
If your 401(k) is adding an annuity option to its target-date fund lineup — or you’re trying to understand how one of these newer products actually compares to a standalone annuity — let’s go through the specific structure and numbers together.
Questions? Call (800) 927-9326 or email
Prefer we reach out to you instead? Complete our Permission to Contact form and a licensed Gilman Agency agent will follow up.
Sources: The Wall Street Journal, “Vanguard Joins Push to Offer 401(k)s With a Regular Payout” by Anne Tergesen (December 2025); commentary from Lauren Valente, head of workplace solutions at Vanguard; Colbert Narcisse, chief product officer at TIAA; and Greg Ungerman, defined-contribution practice leader at Callan.
This article is for general educational purposes and reflects information available as of the publication date. Product availability, allocation percentages, rates, and fees for target-date funds with embedded annuities vary by provider and plan, and are subject to change — always confirm current details directly with your plan administrator or the fund provider. This is not a recommendation regarding any specific product, and is not tax, legal, or investment advice. Consult a licensed advisor for guidance specific to your situation.
