Debt
The History of Interest Rates Over 670 Years
The History of Interest Rates Over 670 Years
Today, we live in a low-interest-rate environment, where the cost of borrowing for governments and institutions is lower than the historical average. It is easy to see that interest rates are at generational lows, but did you know that they are also at 670-year lows?
This week’s chart outlines the interest rates attached to loans dating back to the 1350s. Take a look at the diminishing history of the cost of debt—money has never been cheaper for governments to borrow than it is today.
The Birth of an Investing Class
Trade brought many good ideas to Europe, while helping spur the Renaissance and the development of the money economy.
Key European ports and trading nations, such as the Republic of Genoa or the Netherlands during the Renaissance period, help provide a good indication of the cost of borrowing in the early history of interest rates.
The Republic of Genoa: 4-5 year Lending Rate
Genoa became a junior associate of the Spanish Empire, with Genovese bankers financing many of the Spanish crown’s foreign endeavors.
Genovese bankers provided the Spanish royal family with credit and regular income. The Spanish crown also converted unreliable shipments of New World silver into capital for further ventures through bankers in Genoa.
Dutch Perpetual Bonds
A perpetual bond is a bond with no maturity date. Investors can treat this type of bond as an equity, not as debt. Issuers pay a coupon on perpetual bonds forever, and do not have to redeem the principal—much like the dividend from a blue-chip company.
By 1640, there was so much confidence in Holland’s public debt, that it made the refinancing of outstanding debt with a much lower interest rate of 5% possible.
Dutch provincial and municipal borrowers issued three types of debt:
- Promissory notes (Obligatiën): Short-term debt, in the form of bearer bonds, that was readily negotiable
- Redeemable bonds (Losrenten): Paid an annual interest to the holder, whose name appeared in a public-debt ledger until the loan was paid off
- Life annuities (Lijfrenten): Paid interest during the life of the buyer, where death cancels the principal
Unlike other countries where private bankers issued public debt, Holland dealt directly with prospective bondholders. They issued many bonds of small coupons that attracted small savers, like craftsmen and often women.
Rule Britannia: British Consols
In 1752, the British government converted all its outstanding debt into one bond, the Consolidated 3.5% Annuities, in order to reduce the interest rate it paid. Five years later, the annual interest rate on the stock dropped to 3%, adjusting the stock as Consolidated 3% Annuities.
The coupon rate remained at 3% until 1888, when the finance minister converted the Consolidated 3% Annuities, along with Reduced 3% Annuities (1752) and New 3% Annuities (1855), into a new bond─the 2.75% Consolidated Stock. The interest rate was further reduced to 2.5% in 1903.
Interest rates briefly went back up in 1927 when Winston Churchill issued a new government stock, the 4% Consols, as a partial refinancing of WWI war bonds.
American Ascendancy: The U.S. Treasury Notes
The United States Congress passed an act in 1870 authorizing three separate consol issues with redemption privileges after 10, 15, and 30 years. This was the beginning of what became known as Treasury Bills, the modern benchmark for interest rates.
The Great Inflation of the 1970s
In the 1970s, the global stock market was a mess. Over an 18-month period, the market lost 40% of its value. For close to a decade, few people wanted to invest in public markets. Economic growth was weak, resulting in double-digit unemployment rates.
The low interest policies of the Federal Reserve in the early ‘70s encouraged full employment, but also caused high inflation. Under new leadership, the central bank would later reverse its policies, raising interest rates to 20% in an effort to reset capitalism and encourage investment.
Looking Forward: Cheap Money
Since then, interest rates set by government debt have been rapidly declining, while the global economy has rapidly expanded. Further, financial crises have driven interest rates to just above zero in order to spur spending and investment.
It is clear that the arc of lending bends towards ever-decreasing interest rates, but how low can they go?
Debt
The Growing Auto Loan Problem Facing Young Americans
After a borrowing spree during COVID-19, younger Americans are struggling to keep up with their auto loan payments.

The Growing Auto Loan Problem Facing Young Americans
Since the COVID-19 pandemic, Americans have taken on significantly more debt to buy vehicles. This is especially true for Gen Z and Millennials, who the Federal Reserve believes may have borrowed beyond their means.
In this infographic, we’ve visualized data from the Fed’s most recent consumer debt update.
Aggressive Borrowing
The first chart in this graphic shows the growth in outstanding car loans between Q2 2020 (start of the pandemic) to Q4 2022 (latest available).
Age | Growth in outstanding car loans |
---|---|
18-29 | 31% |
30-39 | 29% |
40-49 | 23% |
50-59 | 14% |
60-69 | 11% |
70+ | 11% |
We can see that Americans under the age of 40 have grown their vehicle-related debt the most. It’s natural for Gen Z (ages 11-26) to have higher growth figures because many of them are buying their first car, but 31% is quite high relatively speaking.
Part of this can be attributed to today’s inflationary environment, which has pushed used car prices to new highs. Supply chain issues have also resulted in over 30% of new cars being sold above MSRP.
Because of these rising prices, the Fed reports that the average auto loan is now $24,000, up 41% from 2019’s value of $17,000.
Spiking Delinquencies
Interest rates on auto loans are typically fixed, meaning many young Americans were able to take advantage of the low rates seen during the pandemic.
Despite this, one in five Gen Zs say that their car payments account for over 20% of their after-tax income.
Shown in the second chart of this infographic, the amount of auto debt transitioning into serious delinquency is much higher for Gen Z and Millennials. Throughout 2022, these generations saw $20 billion in auto debt fall 90+ days behind.
The outlook for these struggling borrowers is bleak. First there’s inflation, which has pushed up the prices of most consumer goods. This eats into their ability to make car payments.
Second is rising interest rates, which make credit card debt—another pain point for young borrowers—even more costly. Finally, there’s student loans, which are expected to resume in summer 2023. Payments on student debt have been suspended since the beginning of the COVID-19 pandemic.
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