What Is the 120-Age Investment Rule? - SmartAsset (2024)

What Is the 120-Age Investment Rule? - SmartAsset (1)

International turmoil, inflationand rising interest rates have created stress and hesitation in consumers looking to protect their nest eggs and bolster their financial positions. However, by looking elsewhere for investment opportunities, you might be ignoring the 120-age investment rule, reducing your portfolio’s returns. The 120-age investment rule encourages investors to stay in the stock market longer to build more wealth. Working with a financial advisor can help you determine what investment strategy to take with your portfolio.

What Is the 120-Age Investment Rule?

The 120-age investment rule states that a healthy investing approach means subtracting your age from 120 and using the result as the percentage of your investment dollars in stocks and other equity investments. Any remainder should become investments in low-risk assets, including certificates of deposit (CDs), bonds, Treasury billsand fixed annuities.

For example, if you’re 30 years old, subtracting your age from 120 gives you 90. Therefore, you would invest 90% of your retirement money in stocks and 10% into more consistent financial instruments. This rule creates a portfolio that gradually carries less risk.

On the other hand, if you’re 75, the rule’s formula gives you 45. So, you’d have 45% of your portfolio in stocks and the rest elsewhere. This balanced approach makes sense because you’re likely retired at 75 and looking to stabilize your income. That said, the rule still keeps almost half your portfolio in stocks at retirement age, which is a more aggressive approach than investors followed not too long ago.

How the 120-Age Investment Rule Works?

The 120-age investment rule is a guideline for investing, and it’s wise to incorporate it into your investment strategy instead of following it dogmatically. The concept behind the rule is to invest in high-risk, high-reward assets while you’re young. Increased exposure allows you to compensate for market volatility and investment losses, building more wealth in the long run.

For example, the stock market occasionally falls, hurting investment accounts. However, the , a stock index reflecting the market’s overall performance, has an average annualized return of 9.4% over the past 50 years. Therefore, if you have decades left to invest before you plan on withdrawing from your investment account, you’ll earn more money in the stock market than with CDs.

In addition, the 120-age investment rule nudges your portfolio into low-risk assets as you grow older. For example, 55-year-old would put 65% of their investments in stocks and distribute the rest into more secure assets. This shift protects your nest egg from dips in the stock market while accruing modest gains. That said, your individual circ*mstances might cause you to tweak these figures. For instance, if you plan to retire at 62 instead of 70, you might want to decrease your stock allocation to avoid losses.

100-Age Investment Rule vs. 120-Age Investment Rule

Before the 120-age investment rule came about, most investment professionals adhered to the 100-age investment rule. The old rule used 100 instead of 120 for subtraction. However, this approach led to a quicker shift to low-risk, low-yield assets, reducing gains. The meager interest rates of other financial products typically don’t generate enough income (although interest rates have risen in the last year, they are following inflation, which decreases spending power).

In addition, because modern medicine continues to elongate our lives, retired folks are living longer. As a result, the 100-age rule underestimated lifespans and created overly conservative investment portfolios incapable of supporting people in their old age. Because of these issues, the 120-age investment rule has replaced the 100-age investment rule. The new rule keeps portfolios aggressive for longer, giving investors a better chance at generating sufficient retirement income.

How to Use the 120-Age Investment Rule?

The 120-age investment rule isn’t a guarantee that you’ll have sufficient retirement income. Instead, it reveals the necessity for investors to structure their portfolios according to longer lifespans and stay ahead of inflation. Although low-risk assets, like CDs, have guaranteed interest rates that have risen in the last year, they need to provide returns that outpace inflation to be worthwhile.

For example, assets that aren’t risky but return a 3% loss to the current inflation rate. While having a stable base for your portfolio is helpful, diversifying into riskier assets will increase your income potential. Of course, it’s crucial to weigh your individual circ*mstances and risk tolerance before implementing an aggressive investment strategy.

The Bottom Line

The 120-age investment rule is a theory directing investors to keep a higher allocation of riskier investments for longer. This approach helps build more wealth over time, which is critical for the increased average lifespan of retirees. While the 120-age rule isn’t written in stone, it’s a helpful guideline that can help you maximize your portfolio’s potential, whether you’re retiring in a few years or just starting your career.

Tips For Following the 120-Age Rule

  • An investment strategy is rarely as straightforward as dividing your portfolio into two asset types. A financial advisor can help you develop an investment approach tailored to your circ*mstances. Finding a qualified financial advisor doesn’t have to be hard. SmartAsset’sfree tool matchesyou with up to three financial advisors who serve your area, and you can interview your advisor matches at no cost to decide which one is right for you. If you’re ready to find an advisor who can help you achieve your financial goals,get started now.
  • The 120-age rule can help you at any point in your career. Whether you just made your first deposit into an IRA or want to optimize stock performance, use this guide to manage your portfolio’s asset allocation at any age.

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What Is the 120-Age Investment Rule? - SmartAsset (2024)

FAQs

What is the rule of 120 in investing? ›

The Rule of 120 (previously known as the Rule of 100) says that subtracting your age from 120 will give you an idea of the weight percentage for equities in your portfolio.

What is the 120 rule for investments? ›

The common rule of asset allocation by age is that you should hold a percentage of stocks that is equal to 100 minus your age. So if you're 40, you should hold 60% of your portfolio in stocks. Since life expectancy is growing, changing that rule to 110 minus your age or 120 minus your age may be more appropriate.

What is the proper asset allocation by age? ›

The Rule of 100 determines the percentage of stocks you should hold by subtracting your age from 100. If you are 60, for example, the Rule of 100 advises holding 40% of your portfolio in stocks. The Rule of 110 evolved from the Rule of 100 because people are generally living longer.

How much money do I need to invest to make $3,000 a month? ›

Imagine you wish to amass $3000 monthly from your investments, amounting to $36,000 annually. If you park your funds in a savings account offering a 2% annual interest rate, you'd need to inject roughly $1.8 million into the account.

What is the 120 rule? ›

This rule dictates that the sum amperage from the grid electricity and solar power should not surpass 120% of your main service panel's capacity. Non-compliance could lead to issues like circuit overload or even a fire hazard, making it important to understand how the rule works and when it applies.

At what age should you get out of the stock market? ›

There are no set ages to get into or to get out of the stock market. While older clients may want to reduce their investing risk as they age, this doesn't necessarily mean they should be totally out of the stock market.

What is the 120 rule 401k? ›

Are you required to audit your 401(k) plan? The answer lies in what is known as the 80-120 rule. If your organization offers a qualified retirement plan with fewer than 120 participants, as of the 1st day of the plan year, the answer is no. Your organization doesn't need a plan audit.

What is the rule number 1 in investing? ›

Warren Buffett once said, “The first rule of an investment is don't lose [money]. And the second rule of an investment is don't forget the first rule.

What is the 80 20 20 rule investing? ›

Investing. When it comes to investing, the 80/20 rule asserts that 80% of your investment returns — or losses — come from only 20% of your assets.

What is a good portfolio for a 70 year old? ›

Conventional wisdom holds that when you hit your 70s, you should adjust your investment portfolio so it leans heavily toward low-risk bonds and cash accounts and away from higher-risk stocks and mutual funds. That strategy still has merit, according to many financial advisors.

How much should a 75 year old have in stocks? ›

For example, if you're 30, you should keep 70% of your portfolio in stocks. If you're 70, you should keep 30% of your portfolio in stocks. However, with Americans living longer and longer, many financial planners are now recommending that the rule should be closer to 110 or 120 minus your age.

What is the most successful asset allocation? ›

If you are a moderate-risk investor, it's best to start with a 60-30-10 or 70-20-10 allocation. Those of you who have a 60-40 allocation can also add a touch of gold to their portfolios for better diversification. If you are conservative, then 50-40-10 or 50-30-20 is a good way to start off on your investment journey.

Can I live off interest on a million dollars? ›

Once you have $1 million in assets, you can look seriously at living entirely off the returns of a portfolio. After all, the S&P 500 alone averages 10% returns per year. Setting aside taxes and down-year investment portfolio management, a $1 million index fund could provide $100,000 annually.

How much money a month to make $100,000 a year? ›

$100,000 a year is how much a month? If you make $100,000 a year, your monthly salary would be $8,333.87.

How much money do I need to invest to make $4000 a month? ›

Making $4,000 a month based on your investments alone is not a small feat. For example, if you have an investment or combination of investments with a 9.5% yield, you would have to invest $500,000 or more potentially. This is a high amount, but could almost guarantee you a $4,000 monthly dividend income.

What is the 125 rule for investment? ›

125% rule – additional investments

Most bond providers allow additional amounts to be invested each year. Provided such amounts do not exceed 1.25 times the previous year's deposits (the 125% rule), the additional contributions have the same start date as the original investment for calculating the 10 year term.

What is the rule of 125 investing? ›

Generally, if you maintain the Insurance Bond for 10 years then the original amount plus accumulated income net of tax may be withdrawn free of CGT or income tax, subject to satisfying the 125% rule (where each year's contributions don't exceed 125% of the previous year's contributions).

What is the 125 rule in retirement investing? ›

A useful variation of this rule is to use 125 minus your age, not 100. As people live longer this formula will keep you more fully invested in equities. This introduces more risk, but the long run potential of equities can also offer more growth to keep up with resource needs in retirement.

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