The US dollar has served as the world's reserve currency for 80 years—but is its dominance coming to an end?

The US dollar is the most widely circulated currency in the world, and is involved in nearly 90% of global transactions

Many years ago, the US dollar became the world's primary reserve currency

In 1944, 44 nations gathered in Bretton Woods, New Hampshire, to rebuild the global economy. The result? The US dollar became the world’s reserve currency, backed by gold.

The global economy runs on US dollars

Nearly 90% of international trade in 2019 was processed in US dollars. It's not only the most circulated currency in the world but also considered one of the most stable.

The US dollar's value weakened significantly in 2025 amid tariffs

Experts at US Bank predicted in August 2025, that the downward trend was likely to continue, although they acknowledged that uncertainty remains high. As tariffs moved to the center of the White House’s agenda, all G10 currencies grew stronger against the dollar—the Swiss franc even posted double-digit gains.

The US dollar is the official currency of the United States and is the most circulated currency around the world

The US dollar was established in 1792 and comes in the form of coins or paper money. It's considered one of (if not the most) stable currencies in the world due to America’s strong and robust economy, as well as its relatively stable government.

Nixon's 1971 decision to untether the dollar from gold ended the Bretton Woods exchange rate system

The Bretton Woods system initially pegged all major currencies to the US dollar, which could be exchanged for gold at a fixed rate of $35 per ounce. Growing deficits and decreasing gold reserves prompted Nixon to end that guarantee in 1971, marking the end of the fixed exchange rate era.

The Federal Reserve tracks how much US currency is circulated around the world every year

It's estimated that about half of US currency is circulated outside of the US. In 2023, there were 54.6B US notes circulated, with 18.9B of those being $100 bills. This chart shows how many US notes have circulated since 1997.

Visual Capitalist shows the top 50 countries by central bank reserves

As of 2024, China, Japan, and the United States held the top three spots in terms of the value of their respective central bank reserves.

The US has used a wide variety of different currencies between the 1690s and today

From colonial money to national banknotes, people have used all kinds of forms of currency throughout the history of the United States before settling on the dollar bills and quarters that we pay for things with today.

British economist John Maynard Keynes originally proposed a global currency called the bancor

Keynes—one of the chief architects of the Bretton Woods system—proposed establishing a global central bank that would issue a new international currency, the bancor, to settle trade imbalances. The idea was rejected in favor of the US dollar serving as the main currency of the international system.

USDC's reserves were held at Silicon Valley Bank when the bank collapsed

One of the world's largest stablecoin's reserves were held at Silicon Valley Bank, which famously failed in March 2023. USDC briefly lost its peg to the US dollar for a time as a result, within investors pulling out billions of dollars.

Some argue that stablecoins are unnecessary due to the ubiquity of the US dollar

Others have criticized fiat-backed stablecoins for their lack of decentralization, believing that digital currencies not controlled by central banks will become more popular in the future.

Ranking the world’s economies: 1980 vs. 2025

The US remains the world’s largest economy, having increased its annual gross domestic product from $2.9T in 1980 to $30.6T in 2025. In 1980, China ranked seventh globally with a GDP of $304B. In 2025, China ranked second with a GDP of $19.4T.

The dollar’s value stems from public trust and demand

In simple terms, a dollar bill’s value relies on two elements: that people believe it will be accepted in exchange for goods and services, and how much demand for the currency there is.

The Federal Reserve is the most powerful financial institution in the US

The Fed controls the money supply, determines interest rates, and regulates the banking system. Established in 1913 after a volatile series of financial panics, the central bank has managed to retain its legitimacy despite broad critiques against its obscure and independent decision process.

Only 14% of transactions are in cash, as of 2025

Credit (35%) and debit (30%) cards have long eclipsed cash as the primary method of payment in the US. It is a primary backup, however, with 90% of customers intending to use cash to pay or store value and 80% carrying cash.

US inflation can generally be split into to two periods—before and after the Federal Reserve

A central bank itself does not mean significant inflation will occur, but economists generally point to factors like two world wars and the printing of money to finance the US federal deficit as primary drivers of price increases.

President Trump ordered an end to US production of the penny in 2025

The US will stop producing pennies after more than 233 years in 2026, though they will still be considered legal tender. It takes roughly three cents to produce a single penny, with an annual price tag of nearly $100M.

Arguments for returning to a gold standard reappear from time to time

However, critics argue that globalization has made the gold standard impractical for modern economies, as it limits a nation’s ability to have a flexible monetary policy—hence, none of today's governments have a gold standard.

11,000 new US dollar stores opened between 2007 and 2017

Dollar store retailers experienced significant fiscal gains during the 2010s, which were then accelerated by the COVID-19 pandemic. But in recent years, dollar stores have been closing in large numbers and suffering financial hardship. Experts point to Walmart's strategy of decreasing prices to cater to inflation-fatigued customers, and point out that when Walmart does well financially, dollar stores typically suffer.

Nearly 70% of the US government’s debt is domestic

This includes intragovernmental holdings like the Social Security Trust Fund and investments from US citizens, banks, and mutual funds. About 30% is foreign-held, with countries like Japan and China as major creditors, investing in US Treasury securities due to their perceived safety.

The lifespan of a dollar bill

Durable, made of a cotton blend, and with billions in circulation, the common dollar bill is made to last. This video from 1440 goes inside the life of the country's paper currency, from printing to purchasing, in this quick 60-second overview.

Why Ray Dalio thinks the US deficit is a political problem

Dalio frequently argues that debt cycles are inevitable and a tradition of every empire. However, he said in 2025 that the US was headed for a debt crisis. Dalio says that while Republicans and Democrats agree on the math of the debt crisis, all politicians make promises to neither increase taxes nor cut government benefits—which Dalio says can't close the deficit.

In 2024, the US committed about $82.3B to foreign aid.

That year, 67.2% of foreign aid was for economic purposes, and the remaining 32.8% was for military purposes. Israel received more US foreign aid than any other country in 2024.

See a ranking of the best (and worst) Federal Reserve Chairs since 1914 out of the 16 men and women who have held the office since.

While the first exchange-traded fund (a 'basket' of different assets that can be bought and sold on a stock exchange) in the US only launched in 1993, the global ETF market has grown to more than $10T in the short time since.

Why the US women's soccer team has been so dominant for three decades

The US women's soccer team has more Women's World Cups than any other team, and have ranked as the number one team in the world for over a decade. Perennial favorites, the organization is one of the most dominant in modern sports history. Author...

Only about 70 employers have paid Trump's $100K H-1B fee as of February 2026

Only about 70 employers have paid the $100K fee for certain H-1B hires since it was imposed by presidential proclamation in September 2025, a DOJ attorney said in court, as judges weigh whether the charge requires explicit congressional authorization.

US consumers collectively owe more than $1T to credit card companies—almost as much as they owe in auto loans.

The power and influence of the American presidency have expanded significantly over time—far beyond what the founders envisioned.

The United States is one of only around two dozen countries with a fully federal system of government, in which power is divided between national and state governments.

The USPS spent $3.97B in 2024, accounting for .058% of the federal budget.

The United States has had a tumultuous relationship with Cuba since its 1959 revolution, highlighted by a nuclear crisis and a decades-long trade embargo.

Some coin denominations have ridges etched on their sides, partly to prevent counterfeiting, in a practice called 'reeding.'

Before the current East Wing ballroom project, only two White House renovations in the past 100 years cost more than $10M.

The price of gas is a composite made up of several different factors, with the federal gas tax making up less than 20% of what drivers pay at the pump.

US housing costs have risen by roughly 175% between 1991 and 2026—but a growing number of Gen Zers are becoming homeowners anyway. In 2025, 4% of homebuyers were Gen Z, up from 3% the year before.

The American Society of Civil Engineers' infrastructure report card gave the US a C in 2025, its highest grade since the project launched in 1998.

Brandi Chastain, the star of the 1999 US victory over China in the 1999 Women's World Cup, was a last-second choice to take the penalty kick that sealed the victory.

About 12.5% of US adults experience a phobia in their lifetime, a diagnosis that hinges on the intense fear interfering with daily life and persisting for at least six months.

Dozens of S&P 500 stocks, including Coca-Cola and Walmart—known as the dividend aristocrats—have increased dividends every year for 25 years

See the evolution of Ebola vaccine and treatment development.

Watch contemporary footage covering the US-backed Shah of Iran fleeing the country in the face of the 1979 Iranian Revolution

See how Budweiser's famous Clydesdales spend their days at Warm Springs Ranch, where roughly 70 to 80 of the beer brand's giant horses can be found at any given time.

Art theft is the third-largest source of criminal revenues worldwide, thanks in part to the subjective nature of valuing a work of art.

A century of Billboard issues documenting the evolution of popular music.

Some renewable energy sources may weaken the resiliency of electric grids by removing outage buffers provided by coal- and natural gas-fired plants, which provide the system with more time to find a new power source if a plant goes down.

The distributor behind 'Rocky Horror' pulled the film from its scheduled national release, believing it would be a failure, though it eventually amassed a dedicated fanbase through midnight showings, a trend that continues over 50 years later.

According to the physics of black holes, our 4D reality may be a hologram—a projection of information coded on a 2D surface on the edge of the universe.

For centuries, it was common to sleep in two shifts: a few hours at the beginning of the night, and a longer period beginning around midnight