Target Date Funds: The Set-It-and-Forget-It Method
- RetireAdvisers℠ of Pension Consultants, Inc.
- Apr 20
- 7 min read
Key Takeaways:
Target Date Funds can be a strong starting point for retirement investing.
They offer a simple, hands-off approach that adjusts over time, making them a practical option for many participants, especially early in their careers.
They are built on general assumptions, not individual circumstances.
Factors like risk tolerance, outside assets, and retirement timing are not personalized within a single fund, which may become more relevant over time.
Your strategy may need to evolve as retirement approaches.
What works well during the early years of saving may not fully address the income, timing, and planning considerations that come with retirement.
Target Date Funds (TDFs) have become one of the most widely used investment options in retirement plans. For many participants, they are the default choice. And in many cases, that makes sense.
They are designed to simplify investing by automatically adjusting over time, shifting from a more growth-oriented approach to a more conservative one as retirement approaches. For individuals who prefer a hands-off approach, this structure can provide a straightforward way to stay invested without needing to manage each decision along the way.
But while TDFs can be a strong starting point, they are built on a set of general assumptions. And over time, those assumptions may not always align with individual circumstances.
Why Target Date Funds Are So Popular
One of the biggest advantages of TDFs is simplicity. Instead of selecting and managing multiple investments, participants can choose a fund that aligns with an expected retirement year. From there, the fund handles allocation changes automatically.
This approach can help:
Keep investors consistently invested
Reduce the need for ongoing decision-making
Provide a structured path over time
For individuals early in their careers, this can be especially helpful. At that stage, the focus is often on saving consistently rather than fine-tuning a portfolio. In that context, a TDF can serve as a practical and effective starting point.
What Target Date Funds Are Designed to Do
TDFs are primarily built for the accumulation phase of retirement. Their structure is based on a “glide path,” which gradually adjusts the mix of investments as time passes. Earlier years tend to emphasize growth, while later years shift toward stability. This design is intended to align broadly with how risk tolerance may change over time. However, it is important to recognize that this approach is based on averages, not individual preferences.
Where the Limitations Begin to Appear
As retirement gets closer, financial decisions often become more specific and more personal. This is where some of the limitations of TDFs can begin to show.
A One-Size-Fits-Most Approach
TDFs are built to apply to a wide group of investors. They do not take into account:
Individual risk tolerance
Other investment accounts
Income sources such as Social Security
Differences in retirement timing
While this broad approach works well early on, it may not fully reflect individual needs later.
Risk May Not Align With the Individual
The allocation within a Target Date Fund is based on a general timeline rather than personal comfort with risk. Two individuals planning to retire in the same year may have very different financial situations, but they would be placed in the same investment structure. As retirement approaches, those differences can become more meaningful.
Designed for Saving, Not Spending
TDFs are primarily structured to help build savings. They are not designed to address how those savings are used during retirement. Considerations such as:
Withdrawal strategies
Income planning
Timing of distributions
…are not part of the fund’s design.
These factors often become more important as individuals transition from saving to using their assets.
The Shift from Accumulation to Distribution
While annuities can provide income stability, they often introduce tradeoffs that are not always fully understood at the time of purchase.
Fees Can Be Significant
For many individuals, the first 20 to 30 years of saving may be relatively straightforward. The focus is on contributing regularly and allowing investments to grow over time. But retirement introduces a different set of questions:
How much can be withdrawn each year?
How long will savings need to last?
How should different income sources work together?
This shift from accumulation to distribution is where a more personalized approach may become important. What worked well during the saving years may not fully address the needs of the next phase.
How Much Can You Really Spend in Retirement?
If you're evaluating your retirement expenses, you may also find our worksheet helpful. This interactive worksheet helps you estimate expenses, income, and potential savings withdrawals using the 4% rule.
When It May Be Worth Taking a Closer Look
This does not mean TDFs should be avoided. For many individuals, they remain a useful and appropriate tool. However, it may be worth revisiting your approach as you get closer to retirement. This could include:
Reviewing how your investments align with your goals
Considering how different income sources fit together
Evaluating how your strategy supports long-term needs
The goal is not to replace what is working, but to better understand how everything fits together.
How This Fits into a Broader Plan
Investment decisions are just one part of a larger retirement picture. They connect to:
Income planning
Spending needs
Timing decisions
Long-term sustainability
Understanding how these pieces interact can provide more clarity as retirement approaches. Tools like an Income Needs Analysis can help illustrate how savings, income sources, and spending may work together over time. This type of analysis can provide useful context for how different decisions may impact long-term outcomes.
What Your Target Date Fund Looks Like Over Time
TDFs are designed to evolve over time, adjusting their approach as you move through different stages of your career. In the early years, typically in your 20s and 30s, the focus is on long-term growth. With more time until retirement, the portfolio is generally positioned to take on more market movement in pursuit of building value over time.
As you move into your 40s and early 50s, the approach begins to shift. Growth remains important, but there is a gradual increase in stability as the portfolio starts to account for the progress already made.
In the years leading up to retirement, often in your late 50s and early 60s, the focus becomes more centered on protecting what has been accumulated. The portfolio typically reduces exposure to larger market swings as the time horizon shortens.
Once in retirement, the emphasis generally turns toward maintaining stability and supporting income needs. While some exposure to growth may still be present, the overall approach is more conservative than in earlier stages.
This structure can provide a helpful framework, especially for those looking for a more hands-off approach.
When a Target Date Fund May Not Be the Right Fit
As we have already mentioned, TDFs are built on a standard set of assumptions. When your situation closely matches those assumptions, they can work well. But when it doesn’t, it may be worth taking a closer look at your approach. Here are a few examples of where that can come into play:
If You Plan to Retire Earlier or Later Than Expected
TDFs are aligned to a specific retirement year, but not everyone follows that exact timeline. For example, if you retire at 55 but are in a 2036 fund (designed for age 65), the fund may still be too aggressive, exposing you to high volatility when you start withdrawing. Conversely, if a "to-retirement" fund (glide path) becomes too conservative too soon, you may not have enough growth to last 30+ years.
On the other hand, if you work until 70 but are in a 2026 fund, it may become too conservative, limiting growth potential while you are still earning income. In these cases, it may be helpful to evaluate whether your current allocation aligns with your actual timeline rather than the fund’s assumed one.
If You Have Assets Outside of Your Retirement Plan
Many people build their savings across multiple accounts over time, including current and previous employer-sponsored plans. For example, you may be contributing to a TDF within your current 401(k), while also holding assets in a prior employer’s 401(k) or another account that is invested differently.
A TDF only reflects what is inside that specific plan. It does not account for how your other accounts are allocated. As a result, your overall investment mix may look very different than intended. You might have a "conservative" TDF in one account, but a high-risk portfolio in a taxable account, leading to an overall asset mix that doesn't match your true risk tolerance.
In these situations, it may be helpful to step back and evaluate your investments across all accounts, rather than relying on a single fund within one plan.
If Your Risk Tolerance Differs From the Fund’s Approach
Two individuals with the same retirement date may have very different comfort levels when it comes to market movement. TDFs follow a predetermined path, regardless of how you personally respond to risk. If you find that market swings cause concern, or if you are comfortable taking on more risk than the fund assumes, it may be worth evaluating whether your current allocation reflects your preferences.
If You Are Approaching Retirement and Need an Income Strategy
As retirement gets closer, the focus often shifts from building assets to using them. TDFs are not designed to answer questions like:
How much can you withdraw each year?
How long will your savings need to last?
How do your investments support your income needs?
If you are nearing retirement, it may be helpful to think beyond a single fund and consider how your investment strategy connects to your income plan.
What Are the Alternatives?
If your situation falls outside of these assumptions, the next step is not necessarily to abandon TDFs entirely. Instead, it may involve building a more tailored approach. This could include:
Using a mix of funds to better reflect your desired allocation
Coordinating investments across multiple accounts
Adjusting your strategy based on your specific retirement timeline
Aligning your portfolio with how you plan to generate income in retirement
The goal is not complexity for the sake of it, but alignment with your individual situation. Remember: not all TDFs are equal. Glide paths differ. Some funds remain aggressive even after the target date, while others become conservative immediately.
Investors with multiple accounts or specific, non-average goals often find better results using individual index funds or "target-risk" funds (e.g., a "Growth" fund) that hold a fixed, known, and consistent asset allocation over time.
Target Date Funds Are Designed to Make Investing Easier
…and for most people, they do exactly that. They can provide a strong foundation, especially in the earlier stages of saving. But as retirement approaches, the details begin to matter more. If you would like to better understand how your investments fit into your retirement plan, you can connect with a RetireAdvisers℠ retirement expert.
The concepts expressed herein represent the views and opinions of Pension Consultants, Inc., and are not intended as legal, tax, or investment advice for any specific individual, account, or plan.
Source:
[1] “Retirement Topics: Exceptions to Tax on Early Distributions | Internal Revenue Service.” Www.irs.gov, www.irs.gov/retirement-plans/plan-participant-employee/retirement-topics-exceptions-to-tax-on-early-distributions.
