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 I make if I invest $100 a month? ›

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 200 a month for 30 years? ›

If you were to invest $200 per month over the course of the next 30 years, that would equate to a total investment of $72,000. That's significant, but it's through the effects of compounding that would get your portfolio to a more than $1 million valuation.

What happens when you save $100 dollars 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.

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.

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 a month enough 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.

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 money do I need to invest to make $1000 a month? ›

Calculate the Investment Needed: To earn $1,000 per month, or $12,000 per year, at a 3% yield, you'd need to invest a total of about $400,000.

How much is $500 a month invested for 40 years? ›

The short answer to what happens if you invest $500 a month is that you'll almost certainly build wealth over time. In fact, if you keep investing that $500 every month for 40 years, you could become a millionaire. More than a millionaire, in fact.

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? ›

Over the years, that money can really add up: If you kept that money in a retirement account over 30 years and earned that average 6% return, for example, your $10,000 would grow to more than $57,000. In reality, investment returns will vary year to year and even day to day.

How much is $100 a month for 25 years? ›

You plan to invest $100 per month for 25 years and expect a 10% return. In this case, you would contribute $30,000 over your investment timeline. At the end of the term, your portfolio would be worth $133,889. With that, your portfolio would earn around $103,889 in returns during your 25 years of contributions.

Is saving $1,000 a month realistic? ›

According to this calculator, saving around $1,000 per month is a good goal to have if you bring in around $5,000 in take-home pay—assuming you aren't paying down high-interest debt.

How much is $100 a month for 18 years? ›

This chart shows that a monthly contribution of $100 will compound more if you start saving earlier, giving the money more time to grow. If you save $100 a month for 18 years, your ending balance could be $35,400.

What is $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.
10$21,037.40
15$41,939.68
20$75,603.00
25$129,818.12
2 more rows
Oct 1, 2023

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.

How to save $1,000,000 in 30 years? ›

To save a million dollars in 30 years, you'll need to deposit around $850 a month. If you make $50k a year, that's roughly 20% of your pre-tax income. If you can't afford that now then you may want to dissect your expenses to see where you can cut, but if that doesn't work then saving something is better than nothing.

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

How much money will I have if I invest $1,000 a month for 30 years? Investing $1,000 a month for 30 years, with an average annual return of 7%, can yield a total of approximately $1.22 million. This calculation shows how regular, long-term investments can grow significantly over time, thanks to compound interest.

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