Most people don’t delay retirement planning because they don’t care. They delay it because life keeps happening. There’s the mortgage, the kids’ activities, the car that needs replacing, and the everyday expenses that quietly add up. Saving for retirement often gets pushed to the back burner—not out of neglect, but out of necessity. Unfortunately, it’s one of the most expensive tradeoffs many people make without realizing it.
How Waiting 10 Years Could Cost You Nearly $500,000
When you delay your retirement savings, you’re not just missing out on your own extra contributions. You’re also missing out on the compound interest that your contributions will generate over time.
Compound interest is what happens when the returns on your money start earning returns of their own. For example, if you invest $10,000 and earn 7% in year one, you now have $10,700. In year two, you earn 7% on the full $10,700, not just your original $10,000, so your gain is $749 instead of $700. That difference feels small early on, but over 20 or 30 years, this snowball effect is what turns steady, consistent contributions into meaningful wealth.
Let’s explore another example to see the cost of waiting in action:
- Person A starts contributing $500 per month to a retirement account at age 30.
- Person B waits until 40 to start the same $500 monthly contribution.
- Both earn a 7% average annual return (a commonly used historical benchmark)
- Both plan to retire at 65.
| Person A | Person B | Difference | |
| Years of Contributions | 35 | 25 | 10 Years |
| Total Contributed | $210,000 | $150,000 | $60,000 |
| Balance at 65 | $900,527 | $405,036 | $495,491 |
| Growth From Compounding | $690,527 | $255,036 | $435,491 |
Person A will retire with nearly $500,000 more at retirement, not necessarily because they saved more money, but because they gave their money an extra decade to compound and do the heavy lifting.
Why Do People Wait?
Even when the math is straightforward, delaying retirement savings is incredibly common. Most often, it comes down to three things:
- Present Bias: Most people have a natural tendency to value today’s comfort over tomorrow’s security. Paying for groceries or a family vacation is immediate and real. Funding a comfortable retirement that’s 30 years away feels abstract.
- Optimism Bias: Many people are optimistic that their income will increase in the future, which will make it easier to save. And while income does generally rise over time, so do expenses, tax obligations, and the savings target itself.
- Complexity: The retirement savings landscape in the U.S. is genuinely complicated, and comes with plenty of buzzwords: 401(k)s, IRAs, Roth accounts, contribution limits, employer matches, vesting schedules, and tax implications. When the system feels overwhelming, many people just simply aren’t sure where to start.

Other Hidden Costs of Waiting
Compounding math is the most visible cost of waiting. But there are several others that tend to catch people off guard.
Lifestyle Inflation Can Quietly Raise the Bar
As you get older and progress through your career, it’s common for your standard of living to rise. As your paycheck increases, you’ll naturally want to upgrade to a nicer car, bigger house, and more frequent dinners out. None of these are bad decisions on their own. But together, they increase how much income you’ll eventually need to replace.
Someone earning $60,000 at 30 might assume that they only need to replace $42,000 to $48,000 in annual income during retirement. But by 50, if their income has grown to $120,000 and their spending has kept pace, they now need to replace $84,000 to $96,000 per year. Their savings window shrank while their target doubled.
You Lose Access to Your Most Flexible Tax Years
Early in your career, your income (and your tax bracket) is typically at its lowest. That makes it the cheapest time to contribute to a retirement account, where contributions are taxed now but grow and are withdrawn tax-free in retirement.
If you wait until your peak earning years to start saving, you’re either paying significantly more tax on Roth conversions or funneling everything into traditional pre-tax accounts. Traditional accounts are useful, but they come with Required Minimum Distributions (RMDs) starting at age 73, which can push you into higher tax brackets in retirement, exactly when you’re trying to minimize your tax burden.
Healthcare Costs Compound the Problem
A 65-year-old individual retiring today can expect to spend approximately $172,500 in after-tax dollars on healthcare throughout retirement. For a couple, that figure rises to roughly $345,000. And these numbers don’t include long-term care, dental, or over-the-counter medications.
This expense alone represents a significant chunk of most people’s retirement savings, and the unfortunate reality is that healthcare costs will likely continue to climb.
People who delay planning often underestimate this line item entirely, or they assume Medicare will cover everything, which it usually won’t. Medicare covers a portion, but premiums, copays, and uncovered services add up fast.
Catch-Up Contributions Have Limits
The Internal Revenue Service allows workers aged 50 and older to make additional “catch-up” contributions to their retirement accounts. For 2026, the standard 401(k) catch-up limit is $8,000 per year on top of the $24,500 standard contribution limit.
These catch-up limits are designed to help late savers “catch up” in terms of their savings. The limits sound generous, but the math tells a different story.
If you maxed out the standard $8,000 catch-up every year from age 50 to 65, assuming a 7% return, you’d accumulate roughly $211,000. That’s helpful, but it doesn’t come close to replacing the nearly $500,000 gap from a 10-year delay. Catch-up contributions are a useful tool, but they’re not a substitute for starting earlier.

What You Can Do Now, Even If You Feel Behind
There are still plenty of specific, practical moves you can make right now to start closing the gap.
Automate Something Today, Even If It’s Small
One of the single most effective ways to start saving is to make it automatic. Set up a recurring transfer to a retirement account so the money moves before you have a chance to spend it.
Research from Harvard Business School found that automatic enrollment in 401(k) plans increases participation rates by 26 to 91 percentage points after one year. The SECURE Act 2.0 now requires new 401(k) plans to auto-enroll employees at a minimum of 3%, with automatic 1% annual increases up to at least 10%. There’s a reason this works: it removes the decision from the equation.
Your budget today likely won’t miss a few hundred dollars every month – but your retirement account down the road will be grateful.
Know Your Actual Retirement Number
Most people just estimate how much they need for retirement, and usually miss the mark. Or they just commit to saving as much as possible, which isn’t an ideal strategy either.
Establishing a concrete plan with a timeline, an established end date, a final amount, and a monthly savings goal makes it much easier to commit to a savings plan.
Read our guide to learn more: How Much Money Do I Need to Retire Comfortably?
Audit Your Employer Match
If your employer offers a 401(k) match, make sure you’re contributing enough to capture the full amount. According to SHRM, roughly one in four workers doesn’t contribute enough to get their full employer match. That’s free money left on the table.
Try Exploring a More Aggressive Investment Plan
If you’re behind on retirement savings, shifting to a more aggressive investment allocation is a legitimate way to make up lost ground – as long as you’re comfortable with added risk.
In some cases, tilting more heavily toward stocks or growth-oriented funds can help, especially if you still have 15 to 20 years before retirement. But there’s an important tradeoff: more aggressive portfolios come with sharper short-term drops, and if the market takes a hit in the years right before or after you retire, the damage can be difficult to recover from.
This is why it’s important to speak with a financial advisor before making any concrete decisions.
Consider Working With a Fiduciary Advisor
If you’ve been putting off retirement planning for years, then working with an advisor is one of the best decisions you can make. A good advisor provides three strategic benefits:
- Planning: Coming up with a realistic goal based on your preferences.
- Accountability: Holding you accountable to reaching your goals.
- Guidance: Letting you know how to adjust when circumstances or the tax code shift.
At SD Capital, we believe that the most important financial plan is the one you’ll actually follow.
That starts with an honest conversation about your story, including goals, timeline, and the specific steps that will get you closer to the retirement you want. Whether you’re starting late or just want a second opinion on whether your current approach still makes sense, we’re here to think it through with you.
Reach out to schedule a conversation.
Frequently Asked Questions
Is it too late to start saving for retirement at 40 or 50?
No. While starting earlier gives you more time to benefit from compounding, starting at 40 or even 50 still puts you in a stronger position than not starting at all.
How much should I be saving for retirement each year?
A widely recommended guideline is to save at least 15% of your pre-tax income annually, including any employer match. However, everyone’s financial situation is different.
What’s the biggest mistake people make when they start planning late?
Trying to make up for lost time by taking on too much investment risk. When you’re behind, it’s tempting to chase aggressive returns, but that can backfire if the market drops near your retirement date.
The opinions expressed in this material are for general informational purposes only and are not intended to provide specific advice or recommendations for any individual. All performance referenced is historical and is not a guarantee of future results. All indices are unmanaged and cannot be invested in directly.
Investing involves risk, including the potential loss of principal. No investment strategy can guarantee success or protect against loss in all market conditions.
This material is not intended to be a substitute for individualized financial, tax, or legal advice. Please consult your financial advisor, tax professional, or legal counsel regarding your specific situation.
Brent Shimman is the co-founder of SD Capital with over 20 years of experience helping clients align their finances with what matters most. He lives in Oregon, Ohio with his wife and five children.