What is a target-date fund?

A target-date fund is a single fund that holds a mix of stocks and bonds and automatically becomes more conservative as you approach your target retirement year. For example, a 2060 Target Date fund is ~90% stocks now and will gradually shift to ~30% stocks by 2060.

Are target-date funds a good investment?

Yes, for most people. They provide instant diversification, automatic rebalancing, and an age-appropriate stock/bond mix—all in one fund. Their main downsides are slightly higher fees than individual index funds and a one-size-fits-all glide path. They're especially good for investors who want simplicity.

How do I choose the right target-date fund?

Pick the fund with the year closest to when you plan to retire. If you're 30 and plan to retire at 65, choose a 2060 fund. If you want a more aggressive allocation, choose a fund 5-10 years later than your retirement date. If you want more conservative, choose one slightly earlier.

Target-Date Funds Explained: One-Fund Retirement Investing (2026)

Target-date funds are the ultimate set-it-and-forget-it investment. One fund gives you a diversified portfolio that automatically adjusts as you age. Here’s how they work.

How Target-Date Funds Work

Feature	Details
What’s inside	A mix of stock and bond index funds
How it changes	Automatically shifts from stocks to bonds as the target year approaches
Rebalancing	Done for you (typically quarterly)
Diversification	Includes US stocks, international stocks, US bonds, international bonds
Management	Passive (index-based) or active, depending on provider
Minimum investment	Price of 1 share (ETF) or $0-$3,000 (mutual fund)

Asset Allocation by Target Year (Typical Glide Path)

Target Year	Years to Retirement	Stocks	Bonds	Risk Level
2065	~40 years	90%	10%	Aggressive
2055	~30 years	90%	10%	Aggressive
2045	~20 years	85%	15%	Moderately aggressive
2035	~10 years	70%	30%	Moderate
2030	~5 years	55%	45%	Moderate-conservative
2025	At retirement	40%	60%	Conservative
Retirement Income	Post-retirement	30%	70%	Very conservative

Target-Date Fund Fees Compared

Provider	Expense Ratio	Fee on $500,000
Vanguard Target Retirement	0.08%	$400/year
Fidelity Freedom Index	0.12%	$600/year
Schwab Target Index	0.08%	$400/year
iShares (BlackRock) LifePath	0.10-0.15%	$500-$750/year
T. Rowe Price Retirement	0.50-0.65%	$2,500-$3,250/year
Fidelity Freedom (active)	0.60-0.75%	$3,000-$3,750/year
Average 401(k) target-date fund	0.30-0.50%	$1,500-$2,500/year

Stick with index-based target-date funds (Vanguard, Schwab, Fidelity Index) at 0.08-0.12%.

Target-Date Fund vs. DIY Three-Fund Portfolio

Factor	Target-Date Fund	Three-Fund Portfolio
Simplicity	One fund, fully automated	Three funds, manual rebalancing
Expense ratio	0.08-0.12%	0.03-0.06%
Fee on $500K	$400-$600/year	$150-$300/year
Rebalancing	Automatic	You do it (annually)
Glide path	Preset (may not match your preferences)	You control it
Behavioral protection	Harder to panic sell parts	May tinker excessively
Best for	Most investors (especially in 401k)	Hands-on investors who want lower fees

The fee difference is small. A target-date fund at 0.08% vs. a three-fund portfolio at 0.04% = $200/year on $500K—a small price for automation.

How to Choose the Right Fund

Your Situation	Recommended Fund
Age 25, retire at 65	2060 or 2065
Age 35, retire at 65	2055
Age 45, retire at 65	2045
Age 55, retire at 65	2035
Want more aggressive	Choose a fund 5-10 years LATER
Want more conservative	Choose a fund 5-10 years EARLIER
Already retired	Target Retirement Income fund

Common Mistakes

Mistake	Why It’s a Problem
Holding multiple target-date funds	Defeats the purpose—they’re already diversified
Mixing target-date fund with other funds	Distorts the asset allocation
Choosing the wrong year	Too early = too conservative; too late = too aggressive
Paying high fees (active target-date)	0.60%+ when 0.08% alternatives exist
Switching funds during a downturn	Target-date funds are designed for long-term holding

The Bottom Line

Target-date funds are the single best option for most retirement savers. Pick the fund matching your expected retirement year from a low-cost provider (Vanguard, Schwab, or Fidelity Index at 0.08-0.12%), contribute consistently, and don’t touch it until retirement. It’s investing on autopilot—and it works. Don’t let the simplicity fool you: this approach matches or beats most actively managed portfolios over the long term.