Here's What Happens When You Invest $100 a Month for 40 Years (2024)

You'll often hear that it's important to save and invest money on a consistent basis. But when you're limited on funds, that's not always an easy thing to do.

These days, many people are having a hard time covering their basic living expenses due to inflation. So the idea of carving out thousands of dollars a year to pump into your brokerage account may, frankly, be out of the question.

But here's the good news. You don't actually have to invest a ton of money on a monthly basis to build up a lot of wealth over time. In fact, you can do really well for yourself even if you're only investing $100 a month.

It's a matter of how you're investing

A $100 monthly investment over 40 years could leave you more than $500,000 richer -- if you choose the right investments, that is. Over the past 50 years, the stock market has delivered an average annual 10% return (before inflation), as measured by the performance of the S&P 500 index. So if you load up your portfolio with S&P 500 stocks or ETFs, then there's a good chance your portfolio will deliver a similar return.

In that case, investing $100 a month over 40 years will leave you with an ending balance of around $531,000. Meanwhile, you'll only be contributing a total of $48,000 to get to that point. So all told, you're looking at a $483,000 gain, which is pretty impressive.

But to be clear, this sort of gain generally won't be possible if you play it too safe in your portfolio and stick to more conservative assets, like bonds. In fact, let's say a bond-heavy portfolio gives you a 5% average annual return over time, which is pretty generous since, in reality, you're probably looking at a bit less. In that case, investing $100 a month over 40 years will leave you with roughly $145,000. That's only a $97,000 gain.

Stocks are worth the risk in the long run

Some people are hesitant to invest in stocks because they tend to be a lot more volatile than bonds. And that's understandable.

But one thing you should know is that if you don't invest in stocks, you run a different risk -- winding up with a lot less money at the end of your savings window. In fact, let's say you're investing that $100 a month over 40 years for your retirement. A $145,000 nest egg may not go very far, whereas a $531,000 nest egg could make it so you're able to cover your expenses and live comfortably without financial worries.

If you're truly scared to put your money into stocks, consider adding S&P 500 ETFs to your portfolio. This way, you're investing in the broad market rather than taking a chance on a few individual companies.

Plus, this option allows you to build a portfolio that's instantly diversified. And diversification is an important part of growing wealth while minimizing losses along the way.

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Here's What Happens When You Invest $100 a Month for 40 Years (2024)

FAQs

Here's What Happens When You Invest $100 a Month for 40 Years? ›

According to Ramsey's tweet, investing $100 per month for 40 years gives you an account value of $1,176,000. Ramsey's assumptions include a 12% annual rate of return, which some critics have labeled as optimistic given that the long-term average annual return of the S&P 500 index is closer to 10%.

How much will I have if I save $100 a month for 40 years? ›

Your Retirement Savings If You Save $100 a Month in a 401(k)

If you're age 25 and have 40 years to save until retirement, depositing $100 a month into a savings account earning the current average U.S. interest rate of 0.42% APY would get you to just $52,367 in retirement savings — not great.

How much will $100 a month be worth in 30 years? ›

Investing $100 per month, with an average return rate of 10%, will yield $200,000 after 30 years. Due to compound interest, your investment will yield $535,000 after 40 years. These numbers can grow exponentially with an extra $100. If you make a monthly investment of $200, your 30-year yield will be close to $400,000.

How much will I have if I invest $100 a month for 10 years? ›

But by depositing an additional $100 each month into your savings account, you'd end up with $29,648 after 10 years, when compounded daily.

Is $100 a month good for retirement? ›

Rather than hitting it big with speculative investments, the real key is consistent investment from as early an age as possible. If you do that, investing just $100 per month may be enough to get you to a seven-digit retirement account.

What does Dave Ramsey say about investing $100 a month? ›

Becoming a Millionaire by Investing $100 Per Month

According to Ramsey's tweet, investing $100 per month for 40 years gives you an account value of $1,176,000.

Can I retire at 62 with $400,000 in 401k? ›

If you have $400,000 in the bank you can retire early at age 62, but it will be tight. The good news is that if you can keep working for just five more years, you are on track for a potentially quite comfortable retirement by full retirement age.

How much will I have if I invest $200 a month for 40 years? ›

Many retirement planners suggest using a more modest annual return of 6% when forecasting the long-term performance of a portfolio. At 6%, after 20 years the $200-a-month portfolio would be worth $93,070. After 40 years earning the same return, your model portfolio would be up to about $398,000.

Is $100 too little to invest? ›

Investing just $100 a month can actually do a whole lot to help you grow rich over time. In fact, the table below shows how much your $100 monthly investment could turn into over time, assuming you earn a 10% average annual return.

What if I invest $100 a month for 20 years? ›

For simplicity's sake, assume that compounding takes place once a year. After 20 years, you will have paid 20 x 12 x $100 = $24,000 into the fund. However, the compounding return will more than double your investment.

What if I invest 200 a month for 30 years? ›

Historically, the market itself has earned an average annual return of around 10% per year, which means the annual ups and downs have averaged out to roughly 10% per year over decades. If you're investing $200 per month while earning a 10% average annual return, you'd have around $395,000 after 30 years.

What happens if you invest $1,000 a month for 20 years? ›

Investing $1,000 a month for 20 years would leave you with around $687,306. The specific amount you end up with depends on your returns -- the S&P 500 has averaged 10% returns over the last 50 years. The more you invest (and the earlier), the more you can take advantage of compound growth.

What will $10 000 be worth in 30 years? ›

If you invest $10,000 and make an 8% annual return, you'll have $100,627 after 30 years. By also investing $500 per month over that timeframe, your ending balance would be $780,326. Exchange-traded funds (ETFs) and mutual funds are both excellent investment options.

What is the $1000 a month rule for retirement? ›

According to this rule, one should aim to save $240,000 for every $1,000 of monthly income they anticipate requiring during retirement. To put it simply, if your retirement budget is projected to be $4,000 per month, then your savings goal would be $960,000 ($240,000 * 4).

Is $3000 a month enough to retire on? ›

That means that even if you're not one of those lucky few who have $1 million or more socked away, you can still retire well, so long as you keep your monthly budget under $3,000 a month.

What is a good monthly income to retire on? ›

Many retirees fall far short of that amount, but their savings may be supplemented with other forms of income. According to data from the BLS, average 2022 incomes after taxes were as follows for older households: 65-74 years: $63,187 per year or $5,266 per month. 75 and older: $47,928 per year or $3,994 per month.

How much will I have if I save $100 a month for 20 years? ›

How $100 a month can help make you wealthy
If you invest $100 a month for this many years......this is how much you'll end up with.
5$8,058.73
10$21,037.40
15$41,939.68
20$75,603.00
2 more rows
Oct 1, 2023

How much would you have if you saved $100 a month? ›

If you save $100 monthly for an entire year, you'll have $1,200 in the bank. But if you keep your savings in a savings account, you'll also earn interest. After one year of keeping $1,200 in a high-yield savings account with a 4.5% APY, you'll earn $54 in interest.

How much is $1,000 a month for 30 years? ›

If you put $1,000 into investments every month for 30 years, you can probably anticipate having more than $1 million by the end, assuming a 6% annual rate of return and few surprises.

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