How much do you need to invest in S&P 500 to become a millionaire?
Here's how a 10.25% return would break down if you invested $5,000 at the beginning of each year over four decades. Data source: Author's calculations. As you can see from the chart, investing $5,000 annually in the S&P 500 would make you a millionaire in a little over 30 years, assuming average 10.25% annual returns.
If the S&P 500 outperforms its historical average and generates, say, a 12% annual return, you would reach $1 million in 26 years by investing $500 a month.
Assuming that you can earn this 10% average return over your investing career, if you are getting started investing this year and you want to become a millionaire in 30 years, you would need to invest $506.60 per month. This amount may seem like a lot, but it may actually be pretty doable for many people.
S&P 500 index funds: Historically, these have offered returns between 10% and 14% per year, translating to $100,000 to $140,000 annually on a $1 million investment. However, they come with higher risks and market volatility.
Assuming an average annual return rate of about 10% (a typical historical average), a $10,000 investment in the S&P 500 could potentially grow to approximately $25,937 over 10 years.
According to our calculations, a $1000 investment made in February 2014 would be worth $5,971.20, or a gain of 497.12%, as of February 5, 2024, and this return excludes dividends but includes price increases. Compare this to the S&P 500's rally of 178.17% and gold's return of 55.50% over the same time frame.
As a result, the broad-market index has an excellent historical track record of generating wealth. Over its history, the S&P 500 has generated an average annual return of 9%, including re-invested dividends. At that rate, even a middle-class income is enough to become a millionaire over time.
If you were to invest in a company offering a 4% annual dividend yield, you would need to invest about $900,000 to generate a monthly income of $3000. While this might seem like a hefty sum, remember that this investment isn't just generating income—it's also likely to appreciate over time.
If you're willing to stay the course and buy and hold investments that you're willing to be patient with, it's not impossible by any means to grow a $10,000 portfolio to $1 million or more by the time you retire.
Suppose you're starting from scratch and have no savings. You'd need to invest around $13,000 per month to save a million dollars in five years, assuming a 7% annual rate of return and 3% inflation rate. For a rate of return of 5%, you'd need to save around $14,700 per month.
Is now a good time to invest in the S&P 500?
The market is thriving. Have you missed the best time to invest? After a rough couple of years, the stock market is finally surging again. The S&P 500 (^GSPC -0.88%) has been reaching new heights, soaring by a whopping 41% from its lowest point in October 2022.
The average yearly return of the S&P 500 is 10.56% over the last 100 years, as of the end of February 2024. This assumes dividends are reinvested. Dividends account for about 40% of the total gain over this period. Adjusted for inflation, the 100-year average stock market return (including dividends) is 7.4%.
Average Market Return for the Last 10 Years
Looking at the S&P 500 from 2013 to mid-2023, the average S&P 500 return for the last 10 years is 12.39% (9.48% when adjusted for inflation), which is also higher than the annual average return of 10%.
Choosing your investments
Once you've opened an investment account, you'll need to decide: Do you want to invest in individual stocks included in the S&P 500 or a fund that is representative of most of the index? Investing in an S&P 500 fund can instantly diversify your portfolio and is generally considered less risky.
Returns in the S&P 500 over the coming decade are more likely to be in the 3%-6% range, as multiples and margins are unlikely to expand, leaving sales growth, buybacks, and dividends as the main drivers of appreciation.
We saw in the previous section that investing in the S&P 500 has historically allowed investors to double their money about every six or seven years. Your initial $1,000 investment will grow to $2,000 by year 7, $4,000 by year 14, and $6,000 by year 18.
| Discount Rate | Present Value | Future Value |
|---|---|---|
| 6% | $1,000 | $3,207.14 |
| 7% | $1,000 | $3,869.68 |
| 8% | $1,000 | $4,660.96 |
| 9% | $1,000 | $5,604.41 |
How a monthly investment of $300 could grow into $618,900. The S&P 500 returned 164% over the last decade, or about 10% per year. At that pace, $300 invested monthly in an S&P 500 index fund would be worth about $60,000 in one decade, $215,400 in two decades, and $618,900 in three decades.
As of March 28, 2024, the price of Tesla's stock was $175.79. Ten years ago, at market close on March 28, 2014, Tesla's stock was trading at $14.16 per share. This means that $10,000 invested in Tesla in March 2014 would be worth about $124,145 today.
Here's how a 10.25% return would break down if you invested $5,000 at the beginning of each year over four decades. Data source: Author's calculations. As you can see from the chart, investing $5,000 annually in the S&P 500 would make you a millionaire in a little over 30 years, assuming average 10.25% annual returns.
Is it smart to put all money in S&P 500?
Meanwhile, if you only invest in S&P 500 ETFs, you won't beat the broad market. Rather, you can expect your portfolio's performance to be in line with that of the broad market. But that's not necessarily a bad thing. See, over the past 50 years, the S&P 500 has delivered an average annual 10% return.
It might actually lead to unwanted losses. Investors that only invest in the S&P 500 leave themselves exposed to numerous pitfalls: Investing only in the S&P 500 does not provide the broad diversification that minimizes risk. Economic downturns and bear markets can still deliver large losses.
Too many people are paid a lot of money to tell investors that yields like that are impossible. But the truth is you can get a 9.5% yield today--and even more. But even at 9.5%, we're talking about a middle-class income of $4,000 per month on an investment of just a touch over $500K.
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Earning $2,000 in monthly passive income sounds unbelievable but is achievable through dividend investing. However, the investment amount required to produce the desired income is considerable. To make $2,000 in dividend income, the investment amount and rate of return must be $400,000 and 6%, respectively.
