What if someone told you that banks can create money simply by approving a loan? It sounds almost unbelievable, but it’s a fundamental part of how modern banking works. And the strangest part is what happens when that money gets paid back.
Imagine walking into a bank and asking for a $100,000 loan.
The bank checks your income, reviews your credit history, and decides you’re a trustworthy borrower.
Congratulations. Your loan is approved.
A short time later, your bank account shows an additional $100,000.
But here’s a question most people never think to ask:
Where did that $100,000 actually come from?
Did the bank take it from another customer’s savings account? Did it transfer money from a giant vault? Was there already a pile of cash waiting somewhere with your name on it?
Not necessarily.
In modern banking, approving a loan can actually create new money.
And once you understand how this works, you’ll never look at banks quite the same way again.
The Biggest Misconception About Banks
Most of us grow up with a fairly simple understanding of banking.
You deposit money. Someone else borrows money. The bank earns interest for bringing the two together.
It makes perfect sense.
There’s just one problem: that’s not the complete picture.
Commercial banks don’t always need to collect an equivalent amount of existing deposits before issuing new loans.
Instead, when a bank approves a loan, it can create a brand-new deposit in the borrower’s account.
This isn’t some secret financial trick. The Bank of England has explained the process in its research on money creation.
The same basic mechanism operates in commercial banking systems around the world, including those in the United States, Canada, the United Kingdom, Australia, and the eurozone.
Banks don’t just move money around. They help create it.
But before you imagine bank employees sitting at computers adding unlimited zeros to accounts, there’s an important catch.
We’ll get to that shortly.
How a Bank Creates $100,000 in Money
Let’s return to your newly approved loan.
You’ve borrowed $100,000 to start a business.
The bank doesn’t necessarily need to find another customer with $100,000 sitting in a savings account and transfer that deposit to you.
Instead, it records two things.
First, the bank creates a $100,000 loan on its books. That’s an asset for the bank because you owe it the money.
Second, the bank credits your account with a $100,000 deposit. That’s a liability for the bank because it now owes you that amount.
And just like that, your account contains $100,000 you can spend.
Notice something interesting?
The bank hasn’t magically become $100,000 richer.
It has created an asset and a matching liability.
You have $100,000 in new spending power, but you also have a $100,000 debt.
The bank expects to earn interest, but it also faces the possibility that you won’t repay the loan.
Nevertheless, something remarkable has happened.
The amount of deposit money in the economy has increased.
No printing press was required.
Wait. Is That Money Actually Real?
Absolutely.
Think about the last time you received your paycheck.
Did your employer hand you a suitcase full of banknotes?
Probably not.
Most likely, a number appeared in your bank account.
You could use that balance to buy groceries, pay rent, order something online, or transfer money to another person.
The money was electronic, but it was perfectly usable.
The same principle applies to deposits created through bank lending.
When the bank credits your account with $100,000, you can use that deposit to make purchases and payments.
However, there’s an important distinction.
The balance in your bank account is commercial bank money. It represents a claim against your bank.
Physical cash and the balances commercial banks hold at a central bank are different forms of money.
That difference becomes particularly important when you start spending your newly borrowed funds.
And this is where things get interesting.
What Happens When You Spend Your Newly Created Money?
Imagine using your $100,000 loan to buy equipment for your new business.
You find a supplier, agree on a price, and transfer the money.
Simple enough.
But suppose your supplier uses a completely different bank.
Your bank can’t just tell the other institution, “Don’t worry, we created the money yesterday.”
It has to settle the payment.
Banks generally accomplish this through the financial system using central bank money, including reserve balances.
Your bank therefore needs access to sufficient liquidity to complete payments and meet its obligations.
If customers regularly transfer large amounts of money to other banks, the original bank needs reliable ways to fund those outflows.
And suddenly, creating money doesn’t sound quite as effortless as it did a moment ago.
Creating a deposit is one thing. Being able to honour that deposit is another.
That’s one of the reasons banks can’t simply create unlimited amounts of money whenever they feel like it.
So Why Can’t Banks Just Create Trillions of Dollars?
It’s a fair question.
If creating money can be as straightforward as recording a new loan and deposit, why not approve a billion dollars in loans every morning?
Why not make everyone a millionaire?
Because banks face real financial limits, even though they can create deposit money.
And those limits can become painfully obvious when things go wrong.
Banks Can Lose Money
Every loan comes with a risk: the borrower might not repay it.
If enough borrowers default, the bank can suffer enormous losses.
Those losses can eat into the bank’s capital, threatening its ability to continue operating.
Banks are therefore subject to capital requirements intended to help them absorb losses.
A bank that lends recklessly can find itself in serious trouble.
Banks Need Liquidity
Remember what happened when you transferred your $100,000 to another bank?
The original bank needed to settle that payment.
The more lending a bank does, the more funding and liquidity it may need to support its growing balance sheet.
Creating deposits doesn’t eliminate the need to meet withdrawals and payments.
Not Everyone Qualifies for a Loan
Imagine someone walking into a bank and requesting $10 million.
They have no income, no assets, no business plan, and no realistic way to repay it.
Would the bank approve the loan simply because it can create a deposit?
Probably not.
Banks assess creditworthiness because bad loans can become expensive mistakes.
Interest Rates Change Everything
When borrowing becomes more expensive, fewer people may be willing or able to take on new loans.
Businesses might postpone expansions. Homebuyers might reduce their budgets. Consumers might reconsider large purchases.
When borrowing becomes cheaper, demand for loans may increase.
This is one of the ways central banks influence economic activity through interest rates.
So while banks can create money through lending, they can’t escape the economics of lending.
Here’s the Really Strange Part: Paying Back a Loan Destroys Money
So far, we’ve established that banks can create new deposit money when they issue loans.
But what happens when you repay that loan?
You might assume the bank simply takes your money and stores it somewhere, ready to lend it out again.
That’s not quite how it works.
Let’s say you borrowed $100,000 and eventually repay the entire principal.
As you make principal payments, the bank reduces the amount you owe.
At the same time, the deposit money used to make those payments is extinguished.
In simplified terms, the bank’s loan asset shrinks, and its deposit liabilities shrink too.
When banks create loans, they can create money. When those loans are repaid, the principal payments destroy deposit money.
That’s a surprisingly different picture from the idea of money endlessly circulating between savers and borrowers.
There’s one important distinction to understand.
The interest you pay is treated differently from the principal. Interest generally becomes income for the bank, rather than being cancelled in the same way as loan principal.
And not every dollar in the economy comes from bank lending. Other banking transactions and central bank operations also affect the supply of money.
Still, the central idea is remarkable.
Money can be created when a loan begins and extinguished as that loan is repaid.
Does That Mean Banks Can Create Wealth Out of Thin Air?
Here’s where we need to separate two things that sound similar but are actually very different.
Money is not the same as wealth.
Imagine a bank approves a $1 million loan to build a new factory.
The loan creates additional purchasing power.
That money might pay construction workers, purchase equipment, and finance a business that eventually produces valuable goods.
If the project succeeds, the loan may help support the creation of real economic wealth.
But now imagine the same $1 million is borrowed to purchase an existing asset at an inflated price.
The loan still creates spending power, but it doesn’t automatically produce additional goods or services.
And if borrowers take on too much debt, the consequences can be severe.
Excessive lending can contribute to financial bubbles, rising asset prices, and economic instability.
The banking system can expand the amount of money available to spend.
It cannot magically create unlimited houses, food, energy, or productive businesses.
That’s an important distinction.
What Does the Government Have to Do With All This?
When people hear the phrase “creating money,” they often picture a government printing enormous stacks of banknotes.
But modern money creation is much more complicated.
Commercial banks create deposit money through lending and certain other transactions.
Central banks create a different form of money and influence financial conditions through monetary policy.
Institutions such as the Federal Reserve in the United States, the Bank of England, the Bank of Canada, and the European Central Bank play important roles in their respective monetary systems.
When a central bank changes its policy interest rate, it can influence borrowing costs throughout the economy.
Those changes can affect how much households and businesses want to borrow, how banks price loans, and how quickly credit expands.
But central banks don’t personally approve every mortgage or business loan.
Commercial banks make those lending decisions within their respective financial and regulatory systems.
The result is a monetary system in which money creation involves both public institutions and private banks.
And that brings us to why any of this should matter to you.
Why Should You Care How Banks Create Money?
Because this process helps explain some of the biggest financial questions affecting everyday life.
Why can rising interest rates slow the economy?
Because borrowing becomes more expensive, potentially reducing demand for new loans, spending, and investment.
Why can a banking crisis affect people who never invested in the stock market?
Because banks facing losses or funding pressures may restrict lending, making it harder for businesses and households to access credit.
Why can easier borrowing contribute to rising house prices?
Because greater access to credit can increase purchasing power. If the supply of homes doesn’t keep up with demand, prices can rise.
Why can’t we solve poverty simply by creating more money?
Because increasing the amount of money available doesn’t automatically increase the goods, services, and resources an economy can produce.
These questions all connect to the relationship between credit, money, and the real economy.
Once you understand that relationship, interest-rate announcements, banking crises, and debates about inflation start to make a lot more sense.
The Next Time You Walk Into a Bank…
Think back to that original $100,000 loan.
You walked into the bank with an application.
You walked out with access to money that didn’t necessarily exist as a deposit before the loan was approved.
The bank recorded a new asset and a new liability.
You gained spending power and took on debt.
And when you eventually repay the principal, deposit money is extinguished.
It’s a fascinating system, but not a magical one.
Banks still need capital, liquidity, creditworthy borrowers, and the ability to survive financial losses.
They can create money through lending, but they cannot create unlimited real wealth.
Perhaps the most surprising thing about modern money is that much of it doesn’t begin at a printing press. It begins when someone signs a loan agreement.
SOURCES: Bank of England, Bank of Canada, International Monetary Fund, Library of Parliament.
