401(k) Investment Guide

401(k) Target-Date Funds: A Guide to Choosing a Retirement Fund

Target-date funds offer a simplified way to invest for retirement by combining different investments and adjusting their mix over time. Learn how these funds work, how to compare target years and fees, and what to review before selecting one in your workplace retirement plan.

Understand Target-Date Funds → Explore a Target Year
Retirement education · U.S. workplace plans · Illustrative examples

What Is a 401(k) Target-Date Fund?

A target-date fund is an investment designed around an approximate future date, often the year an investor expects to retire. It typically holds a mix of assets—such as stock and bond funds—and is managed according to a strategy tied to that target year.

For example, a fund labeled “Target Retirement 2055” is generally intended for people planning to retire around 2055. The year is a planning reference, not a guarantee that the fund will be suitable for everyone retiring then.

🎯

One fund, multiple assets

A target-date fund can combine domestic and international stocks, bonds, and other investments into a single portfolio.

🔄

Automatic adjustments

The fund generally changes its asset mix as the target year approaches, often reducing stock exposure and increasing allocations to bonds or other assets.

🧩

Simplified management

It can provide a ready-made portfolio without requiring you to select and rebalance several separate funds yourself.

Important: Target-date funds are not guaranteed investments. Their values can decline, including near or after the target year. The target year does not guarantee a particular retirement balance or income.

How a Target-Date Fund Changes Over Time

The planned change in a target-date fund's asset allocation is commonly called its glide path. The glide path varies by provider and fund family, so two funds with the same target year can take meaningfully different approaches.

Earlier in the investing journey

A fund with a distant target year will often hold a larger allocation to stocks. Stocks may provide long-term growth potential but can experience significant losses.

As retirement approaches

The fund generally shifts toward a more conservative mix. This can reduce some kinds of volatility, but it does not remove market, inflation, or other risks.

At the target year

The fund does not necessarily stop investing or become all cash. It follows its own glide path, which may continue to change after the target date.

After retirement

Some funds are designed to continue adjusting for years after retirement, while others reach their long-term allocation around the target year. Check the fund's strategy.

“To” versus “through” retirement

A “to” fund generally reaches its intended more-conservative allocation around the target date. A “through” fund generally continues changing its allocation after the target date. These labels are useful clues, but review the actual glide path, holdings, and risks instead of relying on the label alone.

Target-Date Fund Explorer

Enter an approximate retirement year to see a simple planning reference. This tool estimates the number of years until that year; it does not identify a specific fund or determine the right investment for you.

Years until target year29 years
Illustrative target-year label2055 Fund
Stocks Bonds Cash-like

The allocation shown is a hypothetical illustration, not the allocation of an actual target-date fund.

The illustrative allocation is generated only to explain how an example mix can change as a target year approaches. It is not based on a fund provider's actual glide path and should not be used to choose investments.

How to Compare 401(k) Target-Date Funds

Do not choose a fund based only on its target year or recent performance. Use the plan's investment materials to compare the following details.

What to compareWhat to reviewWhy it matters
Target yearDoes the year roughly match your retirement horizon?It is the starting point for understanding the fund's intended time horizon, not a suitability guarantee.
Asset allocationStock, bond, international, and other exposuresFunds with the same target year can have different risk profiles.
Glide pathHow the allocation changes before and after the target dateIt helps you understand the fund's intended approach as retirement approaches.
Total costExpense ratio and any additional applicable plan or investment costsOngoing expenses reduce returns available to compound.
Underlying investmentsWhat funds or assets the target-date fund ownsUnderlying holdings affect diversification, risks, and costs.
Management approachIndex-based, actively managed, or a combinationManagement methods, fees, and implementation can differ.
Retirement designWhether the glide path is designed to reach its endpoint “to” or “through” retirementThe strategy can affect the mix held around and after the target date.
Compare like with like. Review the same target year across available funds, but also compare asset allocation, underlying holdings, glide paths, and expenses. A target year alone does not make two funds equivalent.

Advantages and Disadvantages of Target-Date Funds

Potential advantages

  • Combines multiple investments in one fund.
  • Provides a professionally managed allocation strategy.
  • Usually adjusts the asset mix over time automatically.
  • Can simplify portfolio maintenance and rebalancing.
  • May help investors avoid managing many separate funds.

Potential disadvantages

  • Glide paths and risk levels vary between providers.
  • Fund expenses may be higher than some simpler alternatives.
  • May not reflect your other investments or financial needs.
  • Can still lose value near or after retirement.
  • May offer less control over the underlying asset mix.

Whether a target-date fund is appropriate depends on your circumstances and the specific fund. It is not automatically better or worse than building a portfolio from separate investments.

Target-Date Funds vs. Building Your Own Portfolio

FeatureTarget-date fundSeparate investments
Asset allocationManaged within the fundYou select and maintain your mix
RebalancingGenerally handled by the fundYou may need to rebalance
ControlLess control over underlying allocationMore control over individual holdings
ComplexityOften simpler to maintainCan require more research and upkeep
CostsDepends on fund expenses and other applicable chargesDepends on each investment and plan costs
PersonalizationUses the fund's general target-date strategyCan be tailored more directly, but may be harder to manage

Some investors prefer the simplicity of an all-in-one fund. Others prefer to choose and manage separate investments. Either approach requires understanding the investments, costs, and risks involved.

Common Target-Date Fund Mistakes

Choosing only by year

The same target year can represent different allocations, costs, and risk levels across fund families.

Assuming it cannot lose money

Target-date funds invest in assets whose values fluctuate. A fund can lose money before, during, or after retirement.

Ignoring other accounts

Your 401(k) is only part of your financial picture. Other investments, savings, pensions, and income sources may affect your overall exposure.

Overlooking fees

Check the target-date fund's expense ratio and understand whether other account or plan fees apply.

Assuming the target year is a deadline

The target date is a reference for the fund's investment strategy. It does not require you to retire or withdraw all your money that year.

Duplicating the same investments

Adding other funds alongside a target-date fund may change your intended allocation and increase overlap. Understand your total portfolio before making changes.

Questions to Ask Before Selecting a Fund

  • Does the target year roughly align with when I expect to retire?
  • What is the fund's current stock and bond allocation?
  • How does its glide path change before and after the target date?
  • What is the expense ratio, and are there any other applicable fees?
  • What underlying investments does it hold?
  • How does the fund's risk profile compare with other available options?
  • How does it fit with my other retirement accounts and financial resources?
  • Where can I find the fund prospectus, fact sheet, and plan disclosures?

Official Resources for Retirement Investors

Investor.gov — Mutual Funds and ETFs ↗

Learn about investment funds, their structures, and important investor considerations.

U.S. Department of Labor — Employee Benefits Security Administration ↗

Find information about workplace retirement plans, participant resources, and plan fees.

Investor.gov — Investment Products ↗

Explore general information about investment types and their risks.

IRS — Retirement Plans ↗

Find official guidance on retirement plans and applicable tax rules.

Frequently Asked Questions

What is a target-date fund in a 401(k)?

It is a fund that generally combines different asset classes and adjusts its allocation over time based on an approximate target retirement year. The fund's specific strategy, fees, and risks depend on the provider and investment option.

How do I choose a target-date fund year?

Start by considering when you might retire, then compare the available funds' asset allocations, glide paths, costs, and risks. The year is a useful reference, but it should not be the only factor in your decision.

Are target-date funds safe?

They are not risk-free or guaranteed. Their underlying investments fluctuate in value, and the fund can lose money even near the target year. Review the investment strategy and risk disclosures.

Do target-date funds automatically rebalance?

Target-date funds generally manage their internal allocations and rebalance their holdings as part of their investment strategy. That does not automatically rebalance other investments you hold outside the fund.

What is the difference between a 2050 and a 2060 target-date fund?

They generally use different target years and may have different current allocations and glide paths. A 2060 fund may take a longer investment horizon into account, but the exact difference depends on the fund provider.

Can I lose money in a target-date fund after retirement?

Yes. The fund continues to be exposed to investment risk, and its value may decline after the target date. Its asset mix and risk management depend on the fund's strategy.

Are target-date funds expensive?

Costs vary. Compare the expense ratio, underlying investment expenses, and any other applicable plan or account charges. Do not assume every target-date fund has the same cost structure.

Can I hold a target-date fund alongside other 401(k) investments?

Plan rules may allow it, but combining a target-date fund with other investments changes your overall allocation. Check the fund's underlying holdings and your total portfolio to understand the resulting exposure.

Should I switch to a more conservative fund when I retire?

Not automatically. Your time horizon, spending needs, other income sources, risk tolerance, and the fund's glide path all matter. Retirement does not mean your entire portfolio must immediately become cash or bonds.

Related 401(k) Guides

Build a More Informed Retirement Strategy

Compare your plan's available investments, understand the costs, and learn how each option fits into your broader retirement goals.

Explore Investment Options → Understand Investment Fees
Financial education disclaimer

This content is for general educational and informational purposes only. It is not individualized investment, financial, tax, or legal advice and does not recommend any particular fund. All investing involves risk, including possible loss of principal. Hypothetical examples do not predict actual results. Review the fund's official documents and your plan materials, and consider consulting a qualified professional before making financial decisions.

Read our Financial Disclaimer · Editorial Policy · Sources

Ask 401K