- 20 November 2025
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Why the U.S. Dollar Is Challenged but Not Dethroned
In recent years, headlines about the U.S. dollar have become increasingly alarming. Talk of “de-dollarization”, a potential “dollar crisis”, and a new currency from the BRICS nations has moved from the fringes of economic theory to mainstream discussion. For the average person, this financial “noise” can be confusing, suggesting the entire global financial system is on the verge of a seismic shift.
The reality, however, is far more complex. The dollar’s dominant role as the world’s reserve currency is facing its most significant challenges in decades, but the factors that cemented its position are not so easily overcome. The story of the dollar in 2025 and beyond is not one of a sudden, dramatic collapse. Instead, it is a story of a “stealth erosion”, a gradual, but undeniable, shift from a unipolar financial world to a multipolar one. Â
This article will cut through the noise, providing an in-depth analysis of the dollar’s power. It will explain what a reserve currency is, how the dollar achieved its “exorbitant privilege,” and why that privilege is now being seriously questioned. Most importantly, it will analyze the data and the structural realities that explain why the dollar, though challenged, remains the undisputed, if uneasy, king.Â
Part 1: The Dollar in Your Pocket and the World’s WalletÂ
To understand the current debate, one must first understand the fundamental concepts that built the dollar’s power. These are the foundations upon which the entire global economy has been built for nearly 80 years.Â
What Is a Reserve Currency?Â
In simple terms, a reserve currency is for a country what a secure savings account is for a person. It is a foreign currency held in large quantities by a nation’s government or central bank as part of its official “foreign exchange reserves”.Â
Central banks hold these reserves for several key reasons:Â
- To Pay for International Trade: A vast amount of global trade is priced and paid for in U.S. dollars. The most critical example is oil; if Japan wants to buy oil from Saudi Arabia, it typically must pay in U.S. dollars. To do this, it needs to keep a stockpile of dollars on hand.  Â
- To Manage Their Own Currency: Countries can buy or sell their reserve currencies on the open market to influence their own exchange rate, helping to maintain stability.  Â
- As a “Safe Haven”: During a domestic or global economic crisis, these reserves act as a crucial buffer, a reliable store of value when other assets are collapsing.  Â
While several currencies are held in reserve (including the euro, Japanese yen, and British pound), the U.S. dollar has been the world’s dominant reserve currency since the end of World War II.Â
The Making of a King: How the Dollar Took the ThroneÂ
The dollar’s reign was not an accident; it was a deliberate design. In 1944, as World War II was drawing to a close, 730 delegates from 44 Allied nations gathered at the Mount Washington Hotel in Bretton Woods, New Hampshire. Their goal was to create a new, stable international economic system to prevent the “beggar-thy-neighbor” currency wars of the 1930s that had contributed to the Great Depression and the war itself.  Â
The result was the Bretton Woods system. This new set of rules established a system of fixed exchange rates. Every other country’s currency was pegged to the U.S. dollar at a fixed value. The U.S. dollar, in turn, was the only currency pegged to gold, at a set rate of $35 per ounce.Â
At the time, this made perfect sense. The United States emerged from the war as the world’s largest economy by far, and the dollar was the only currency strong and stable enough to anchor the entire global system. The dollar officially became the “world reference currency”.  Â
This system lasted until 1971. By then, the U.S. had printed so many dollars to finance the Vietnam War and domestic programs that it no longer had enough gold to back them all. Following a run on U.S. gold reserves, President Richard Nixon “cut the link to gold”. This “Nixon Shock” ended the Bretton Woods system.  Â
Logically, this should have been the end of the dollar’s dominance. But it wasn’t. The global infrastructure, the habits, the banking systems, and the trade networks, was already built around the dollar. It transitioned from being a gold-backed currency to a “fiat currency” (backed only by the full faith and credit of the U.S. government) , but it retained its central role. This role was about to be massively reinforced by a new arrangement. Â
Understanding the “Petrodollar” SystemÂ
The term “petrodollar” is often misunderstood. It is not a separate, official currency. It is simply a word used to describe the U.S. dollars that are paid to oil-exporting countries for their crude oil.  Â
Following the 1971 Nixon Shock and the 1973 oil crisis, the U.S. forged a series of agreements, most notably with Saudi Arabia and other OPEC (Organization of the Petroleum Exporting Countries) members. These agreements, while not always formal mandates, established a global norm: oil, the world’s most important commodity, would be priced and sold in U.S. dollars.  Â
This system had a profound, twofold effect that cemented the dollar’s dominance for the next 50 years:Â
- Inelastic Global Demand: It created a massive, constant, and inelastic (non-negotiable) demand for U.S. dollars. Every country in the world, friend or foe, needs oil. And to buy oil, they must first acquire U.S. dollars. This provides a permanent, high floor for the dollar’s global value and utility.  Â
- “Petrodollar Recycling”: Oil-exporting nations ended up with enormous surpluses of U.S. dollars. They couldn’t spend all of this money at once. This led to “petrodollar recycling”, the process of reinvesting these surplus oil revenues. Where did they invest? Primarily back into the U.S. economy, by purchasing U.S. financial assets, especially U.S. Treasury bills and bonds.  Â
This “recycling” created a powerful symbiotic loop: it gave oil nations a safe, liquid place to park their massive wealth, and it provided the U.S. government with a consistent, low-cost way to finance its growing budget deficits. This loop is a key reason why U.S. government debt became the world’s premier “safe asset.”Â
Part 2: The “Exorbitant Privilege”: What It Means to Be KingÂ
The dollar’s dual role, as the medium for global trade and the asset for global savings, grants the United States what former French Finance Minister Valéry Giscard d’Estaing famously called an “exorbitant privilege”. This privilege is built on two powerful “moats” that competitors have found nearly impossible to cross: the network effect and the safe haven status.  Â
The Dollar Is the ‘Operating System’ for Global TradeÂ
The dollar’s first moat is the network effect. This concept is simple: the more people who use a system, the more useful and entrenched that system becomes for everyone. It creates massive “switching costs” for anyone who wants to leave.  Â
An expert at Chatham House put it best: “The dollar is to international finance what the English language is to international communication”.  Â
Even if a company in Brazil wants to trade with a company in Vietnam, it is almost always easiest for both parties to use the U.S. dollar as the intermediary. The global financial plumbing, from banking software to international payment systems, is built to handle dollars.Â
The numbers show this is not just an abstract theory. The dollar’s role in the global economy is completely outsized compared to the U.S. share of global GDP or trade.  Â
- Trade Invoicing: Over the period 1999-2019, the dollar accounted for 96% of trade invoicing in the Americas and 74% in the Asia-Pacific region.  Â
- Foreign Exchange (FX) Transactions: The dollar is on one side of nearly 90% of all global foreign exchange transactions.  Â
- International Debt: About 64% of all global debt issued across borders is denominated in U.S. dollars.  Â
This network effect means that even if a country wants to stop using the dollar, it is incredibly difficult and expensive to do so.Â
King Dollar’s Outsized Role in the Global EconomyÂ
|
Metric |
U.S. DollarÂ
(USD)Â |
EuroÂ
(EUR)Â |
Chinese Yuan (CNY) |
| Share of Global FX Reserves (2024-2025)Â | ~20-21%Â |
~2-3%Â |
|
| Share of Trade Invoicing (non-Europe) |
74-96%Â |
(Dominant in Europe at 66%)Â |
(Small, but growing)Â |
| Share of Global FX Transactions |
~88-90%Â |
(N/A)Â |
(N/A)Â |
| Share of International Debt |
~64%Â |
(N/A)Â |
(N/A)Â |
Source Note:Â Based on 2024-2025 data from the IMF, Federal Reserve, and Bank for International Settlements.Â
The World’s ‘Safe Haven’: The Dollar’s Unmatched FortressÂ
The dollar’s second and arguably most powerful moat is not the currency itself, but the market behind it: the U.S. Treasury market. This is the market for U.S. government debt (bills, notes, and bonds).Â
It is universally considered the world’s ultimate “safe haven” asset. In times of extreme global panic, investors and central banks “flight to safety” does not just mean selling risky assets; it means buying U.S. Treasuries.Â
This status is not just about trust in the U.S. government to pay its debts. It is about two technical but crucial concepts: liquidity and depth.Â
- Liquidity: This is the ability to sell an asset quickly, at any time, without its price crashing. The U.S. Treasury market is the most liquid in the world. A Treasury bill is like a $100 bill; you can exchange it for its full value, instantly, anywhere in the world. An asset like a house is “illiquid”, you can’t sell it in 30 seconds to pay for groceries.  Â
- Depth: This refers to the market’s ability to absorb enormous buy-and-sell orders without the price budging. The U.S. Treasury market is like a deep ocean. A central bank can drop a “boulder” (a $10 billion sell order) into it, and the water level (the price) barely moves. Most other bond markets are like a bathtub; a single boulder would cause a massive splash and overflow.  Â
This is the lynchpin.
The U.S. Treasury market, worth over $30 trillion , is the only market in the world large enough and liquid enough for other giant central banks (like Japan or China) to park hundreds of billions of dollars and know, with absolute certainty, that they can access that money in full, at a moment’s notice.  Â
This combination of the network effect and the safe haven market is the “exorbitant privilege.” Because the world must use dollars for trade and wants to hold Treasuries for safety, the United States can borrow money more cheaply than any other nation , finance its large government deficits , and, most critically for the current debate, wield its financial system as a powerful foreign policy weapon.Â
Part 3: The Gathering Storm: Real Threats to the Dollar’s ReignÂ
For decades, predictions of the dollar’s demise have been wrong. However, the 2020s have introduced new, serious, and structural challenges. The “exorbitant privilege” of U.S. sanctions power is now being recognized as the dollar’s greatest liability.  Â
The ‘Weaponization’ of the Dollar: The Catalyst for ChangeÂ
The dollar’s dominance gives the U.S. the unique ability to “weaponize” its currency and banking system. Because so much of the world’s finance flows through U.S. correspondent banks to access the Federal Reserve, the U.S. Treasury can effectively cut off entire countries or companies from the global economy.  Â
For years, this power was used against smaller nations. But 2022 marked a “watershed” moment.  Â
Following Russia’s invasion of Ukraine, the U.S. and its allies did the unthinkable: they froze roughly $300 billion in Russian central bank assets. For the first time, a G-20 member’s sovereign assets were blocked.  Â
This was followed in April 2024 by the Rebuilding Prosperity and Opportunity for Ukrainians (REPO) Act. This new U.S. law escalated the action from “freezing” to “seizing,” granting the U.S. President the authority to confiscate those Russian assets to pay for Ukraine’s reconstruction.  Â
This one-two punch sent a shockwave through every central bank and finance ministry in the world. It “unnerved” reserve managers and triggered a “contagion of mistrust.” The question they all asked was, “If they can do it to a G-20 nation like Russia, could they do it to us?”  Â
This is the primary catalyst accelerating the de-dollarization trend. It’s no longer a theoretical economic debate; it’s a matter of national security.  Â
This mistrust is not limited to U.S. adversaries. Even U.S. allies in Europe were forced by “secondary sanctions” to cut off their own legitimate trade with Iran, against their own political interests. In fact, the European Central Bank (ECB) has reportedly cautioned against seizing Russian assets, fearing that such a move would undermine global trust in the Euro as well. The weaponization of finance, it turns out, erodes trust in the entire Western, rule-of-law financial system, not just the dollar.
The BRICS Challenge: A Quest for a “Multipolar” WorldÂ
The “weaponization” of the dollar provided the motive for change. The BRICS coalition, Brazil, Russia, India, China, and South Africa, is now actively building the means.Â
In 2024, the BRICS bloc expanded, inviting key energy and population centers like the United Arab Emirates, Iran, Egypt, and Ethiopia. This new, larger group is united by a common goal: to build a “multipolar” financial system that is not dependent on the U.S. dollar and, therefore, is insulated from U.S. sanctions.  Â
It is crucial to correct a common misconception. The BRICS are not trying to create a single new currency to replace the dollar. The “BRICS currency” idea is mostly “rhetoric” and faces “significant” implementation challenges.  Â
Their strategy is more pragmatic and, in the long run, more viable: to build a parallel system that “reduce[s] its preeminent position”. This is an insulation strategy, and it is already happening in two tangible ways:  Â
- Local Currency Trade: This is the most “tangible step”. BRICS members are increasingly bypassing the dollar to trade directly with each other in their own currencies. Examples include Russia-China trade (now almost entirely in rubles and yuan), a Brazil-China agreement to settle trade in yuan and real, and India’s use of rupees to purchase Russian oil. Bangladesh even recently agreed to pay for a Russian nuclear power plant in yuan.  Â
- Alternative Institutions: The BRICS have created their own versions of the IMF and World Bank. The New Development Bank (NDB) and the BRICS Contingent Reserve Arrangement (CRA) are explicitly designed to provide infrastructure loans and emergency liquidity in local currencies, helping member nations avoid dollar-denominated debt.  Â
Cracks in the Foundation: America’s Domestic TroublesÂ
While external threats are growing, some of the dollar’s biggest challenges are “Made in the USA.” A reserve currency must be backed by more than military power; it must rest on pillars of trust. Experts argue a reserve currency rests on six pillars: macroeconomic stability, liquid financial markets, central bank independence, capital mobility, rule of law, and geopolitical trust. Recent U.S. actions have “weakened every one of them”.  Â
- Exploding Debt: The U.S. government has issued massive amounts of new debt, averaging $2.3 trillion annually since 2020. This has raised serious questions about long-term “debt sustainability”.  Â
- Political Instability: Global investors have watched with growing concern at repeated political “standoffs” over the debt ceiling and open political pressure that threatens the “Federal Reserve’s independence”. If the Fed is seen as political, the dollar loses its reputation as a stable, non-political store of value.  Â
- Waning “Safe Haven” Trust: This combination of fiscal recklessness and political dysfunction has “puzzled investors” and raised “doubts about the reliability” of the U.S. safety net. In 2025, markets have witnessed moments of turmoil where U.S. stocks, U.S. bonds, and the dollar fell together. This “triple decline” is precisely the opposite of what a safe haven is supposed to do, signaling a deep crack in the old correlations.Â
Part 4: The Contenders: Why Is There No ‘Next Dollar’?Â
The threats are real. The motive for de-dollarization is clear, and the means are being built. This raises the obvious question: Why hasn’t the world already switched?Â
The answer is simple: there is no viable alternative. The dollar’s dominance persists not just because of its own strengths, but because of the profound, structural weaknesses of its would-be contenders.Â
The Euro’s “Safe Asset” ProblemÂ
On paper, the Euro is the #1 challenger. The European Union is a massive, wealthy economic bloc with a strong, independent central bank (the ECB) and a 20% share of global reserves.  Â
But the Euro has a fatal, structural flaw: a “fragmented bond market”.  Â
As Harvard’s Carmen Reinhart and others have pointed out, there is “no fiscal union” in the Eurozone. This means there is no single “Eurobond” or safe asset for the entire bloc. A central bank cannot simply buy “Euro” debt. It must choose between the debt of 20 different countries.  Â
“Buying a German bund is not the same as buying Finnish or Greek debt,”. This fragmentation means no single Eurozone asset can offer the unified depth and liquidity of the U.S. Treasury market.  Â
The numbers make this clear. The entire market for “safe” (AA-rated or higher) Euro-denominated assets is valued at just over $9 trillion. The U.S. Treasury market is over $30 trillion. It is simply not large enough to absorb the world’s savings. This problem isn’t temporary. To create a true, unified “Eurobond,” the “core countries” (like Germany) would have to agree to “risk-sharing” and use their credit to back the debts of all member states. This idea faces “strong resistance” and is, for now, politically impossible.  Â
The Yuan’s “Great Wall” ProblemÂ
What about the Chinese renminbi (or yuan)? China is the world’s largest exporter and the leader of the BRICS de-dollarization push.  Â
The yuan’s fatal flaw is even more fundamental: capital controls.  Â
A reserve currency must be “fully convertible” with a “free-floating exchange rate”. A central bank in Saudi Arabia needs to know, with 100% certainty, that it can sell $50 billion worth of yuan on a Tuesday afternoon and get its money out of China, in another currency, without asking for permission.  Â
China’s entire economic and political model is based on not allowing this. The government strictly controls the flow of money in and out of the country (capital controls) and does not let its currency’s value be “determined by financial markets”. For the yuan to become a true global reserve, the Chinese Communist Party would have to give up control over its currency and its economy. This is a non-starter.  Â
This is why, despite years of effort, the yuan is “not yet ready to be a serious contender”. The data is undeniable: the yuan accounts for a tiny 2-3% of global reserves.  Â
The ‘Nontraditional’ Alternatives: Gold, Crypto, and CBDCsÂ
With the main contenders hobbled, what about disruptive alternatives?Â
- Gold: Central banks, terrified by the Russian asset freeze, are indeed buying gold at a record pace. But gold is an insurance policy, a “hedge” against sanctions. It is not a replacement currency. You cannot run a complex, modern, digital economy on blocks of metal; it is simply impractical.  Â
- Central Bank Digital Currencies (CBDCs): While most central banks (91% as of 2024) are researching CBDCs , this is primarily about modernizing their own domestic payment systems , not creating a new global standard.  Â
- The Crypto Plot Twist: Ironically, the digital revolution, which many predicted would kill the dollar, may actually be reinforcing it. The vast majority (about 99%) of the $220 billion crypto “stablecoin” market is pegged to the U.S. dollar. In countries with high inflation, citizens are using these dollar-backed stablecoins to escape their own failing local currencies. The dollar’s “network effect” is so powerful, it has successfully colonized the digital world that was built to replace it.  Â
Part 5: Conclusion: A ‘Stealth Erosion,’ Not a CollapseÂ
The narrative of “de-dollarization” is often told in a misleading way. By analyzing the most recent data, we can see the true, more nuanced story.Â
What the 2025 Data Really SaysÂ
In the first half of 2025, the U.S. dollar (as measured by the DXY index) fell by over 10%, its worst performance for that period in decades. When the IMF released its Q2 2025 reserve data, headlines noted that the dollar’s share of global reserves had dropped sharply, from 57.79% to 56.32%.  Â
This looks like clear evidence of central banks “dumping the dollar.” But it is an accounting illusion. This is the “valuation effect”.  Â
Here is a simple analogy: Imagine your total “reserves” consist of two assets: $500,000 in a U.S. bank and a house in London worth £400,000.Â
- If the exchange rate is £1 = $1.25, your house is worth $500,000. Your total reserves are $1,000,000. The dollar’s share is 50%.Â
- Now, imagine the dollar weakens and the exchange rate moves to £1 = $1.40. You do nothing. You don’t buy or sell anything.Â
- Your London house is now worth $560,000, and total “reserves” are now $1,060,000. Your dollar’s share looks like it dropped to 47% ($500k / $1.06M).
This is exactly what happened in 2025. The dollar’s own weakness made everyone’s non-dollar assets (euros, yen, etc.) worth more in dollar terms.
The IMF’s own analysis confirms that once you “adjust for exchange rates,” the dollar’s share “held steady”. The apparent drop was not “structural capital flight” ; it was almost entirely an accounting-driven valuation effect.  Â
The Future Is ‘Multipolar,’ Not ‘Post-Dollar’Â
The expert consensus, championed by economists like Barry Eichengreen, is that the future is not a “dollar collapse”. It is a “gradual erosion” or “stealth erosion” into a “multipolar” currency system.  Â
So, if central banks aren’t dumping the dollar, what is the real de-dollarization trend?Â
The most telling data from the IMF and the U.S. Federal Reserve shows that while the dollar’s share of reserves has declined over the last two decades (from over 70% in 2001 to under 60% today), its share has not gone to the other “big four” currencies like the Euro or the Yuan.  Â
Instead, that share has been captured by a new class of “nontraditional reserve currencies”. These are the currencies of smaller, politically stable, well-managed, open economies , such as:  Â
- The Australian dollarÂ
- The Canadian dollarÂ
- The South Korean wonÂ
- The Swedish kronaÂ
- The Singaporean dollar
This is the true face of de-dollarization. It is not a regime change; it is diversification. Central banks are intelligently building more resilient portfolios. The dollar remains the core, but it is no longer the only asset they hold.Â
The King Is Secure, but the Kingdom Is ShrinkingÂ
The U.S. dollar’s position as the world’s primary reserve currency is secure for the foreseeable future. It is not being “dethroned.”Â
This is because its dominance rests on two pillars that no other nation or bloc can yet replicate: the deep “network effect” of its use in global trade and, most importantly, the unmatched “depth and liquidity” of the $30 trillion+ U.S. Treasury market.  Â
However, the dollar is being “challenged” more seriously than at any time in modern history. The aggressive “weaponisation” of the dollar and U.S. domestic political instability have provided a powerful motive for the rest of the world to seek alternatives. The BRICS coalition is actively building the means to create a parallel, multipolar system.  Â
The world is not moving to a “post-dollar” system. It is moving to a “multipolar” one, where the dollar will remain first among equals, but its “exorbitant privilege” will be constrained and its kingdom will be smaller and more complex than before.