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Financial Terms To Know Before You’re 40 (2026)

shieldGreg Wilson, CFA calendar_todayOct 17, 2018 updateUpdated Jun 16, 2026 schedule6 min read verifiedFact-checked
Financial Terms To Know Before You’re 40 (2026)

If financial terms know before is on your radar, this short guide cuts through the noise. Here is what is worth knowing, and how to put it to work today.

Key Takeaways

  • Share with your friends!307SHARESFacebook299PinterestMessengerWhatsAppEmailShareFlipboard8RedditSMSX Being in control of your finances means...
  • Table of Contents Financial Terms You Need To Know Before You’re 40What are Interest Rates?What are the Types of Interest Rates?Savings Acco...
  • By turning 40, you should have a full-time job and the foundations of a financially secure life.
Share with your friends!307SHARES299PinterestMessengerWhatsAppFlipboard8RedditSMS

Being in control of your finances means you’re very money-conscious and know precisely how much you spend each month, how much comes in, and how much you save.

Table of Contents

Financial Terms You Need To Know Before You’re 40

Ideally, it would be best to focus on becoming financially stable from a young age. By turning 40, you should have a full-time job and the foundations of a financially secure life.

However, there’s no denying that the years until you turn 40 are filled with numerous different decisions.

As a result, you’ll undoubtedly encounter so numerous different financial terms as you grow older and try your hand at different things. Whether you aim to make or save money, it pays to know some of the words used in the financial world. By doing this, you will make more educated decisions, and everything won’t feel so complicated and tricky!

Bearing that in mind, here are some of the most significant financial terms I believe you should know before you’re 40. If you’re passed that age already, then read through the list and see how numerous terms you actually know! Anyway, here they are:

What are Interest Rates?

I’ll start with interest rates, probably the most prominent term in the financial world. You see it everywhere, and it’s very significant. An interest rate is a percentage charge fixed on any money borrowed by anyone. It ends up adding up to the cost of borrowing the money.

Most people will encounter this term as they apply for mortgages or credit cards. In either scenario, you’re given money to borrow, and the interest rate is displayed to show you how much it will cost you. More frequently than not, the interest is shown as the APR - which stands for Annual Percentage Rate.

This is another term you need to know, and it refers to how much the loan will cost per year. It’s a good way of figuring out how much you’ll owe in interest payments when you’re comparing mortgages, loans, or credit cards.

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What are the Types of Interest Rates?

It’s also crucial to know there are different types of interest rates; fixed or variable. Fixed rates stay the same throughout the lending period. Variable ones may be fixed for an initial period. Then they can move up or down depending on market conditions.

Savings Accounts and Interest Rates

Finally, if you open a savings account, you’ll also have an interest rate. Here, the rate refers to how much money you gain on top of the money in your account. This is because banks are technically borrowing the money from you when you deposit it.

Ideally, you want a high APR when opening a savings account, and the lowest one possible when borrowing money! 

If you want to own a house, then you need to know about mortgages. Source

Mortgage

After that long one, it’s time for a much quicker term to run through; mortgages. If you don’t already know, a mortgage is basically a home loan. You borrow a large sum of money to help pay for a home.

You typically get these from banks, and you must meet stringent requirements when applying. Numerous mortgages also require a deposit, which can be a percentage of the overall loan.

This is a long-term loan where you make regular repayments in accordance with your payment plan. It’s seen as one of the best ways to purchase a home.

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Guarantor

This is a term you’ll see/hear in numerous different scenarios. Most commonly, all these scenarios are loosely based on debt. Essentially, a guarantor is someone who legally becomes responsible for someone else’s debt.

For example, you may have a guarantor during your early 20’s to help you pay rent on your first apartment. Or, you need one to help secure a large loan.

A guarantor acts as an insurance policy for the person you owe money. Landlords frequently ask for one when you sign tenancy agreements so your guarantor will cover rent if you fail to do so.

The same goes for a lot of financial institutions offering loans; it’s becoming more and more popular for guarantors to be required if you need to borrow money. So, if you ever see this term on an application for anything, just know that it means you have to find someone who’s willing to be responsible for your payments if you ever get into a position where you can’t make them.

What is No Guarantor?

On the flip side, you may also see things that say ‘no guarantor.’ In the lending world - which means you can apply for one without needing the insurance of a guarantor. The same goes for some tenancy agreements, so watch out for this term when applying for anything.

Some people prefer to enter contracts with a guarantor written into them, while others like ones where a guarantor isn’t required.

Credit Score/Credit Rating

Everyone needs to know what a credit score/rating is. These terms are interchangeable, but the strict definition is that they refer to how ‘creditworthy’ you are. What does this mean?

It tells financial institutions how trustworthy you are and how responsible you are with your finances. From this, they decide whether or not they’ll accept your application - typically to borrow money in some way.

When you apply for a credit card - or any type of loan - you will typically undergo a c

Final Thoughts

The bottom line: a little research on financial terms know before goes a long way. Compare your options, watch for seasonal offers, and never pay full price when a better deal is one click away.

Originally published at chachingqueen.com.

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Written & reviewed by

Greg Wilson, CFA

Our editorial team researches and verifies every money-saving guide before publishing. Editorial policy · About us

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