For decades, the U.S. dollar’s supremacy in global finance was treated as something close to a natural law. Countries held dollars. Commodities were priced in dollars. Central banks built their reserves around dollars. That certainty is now under siege — not from a foreign rival, but from Washington itself.
President Donald Trump’s escalating tariff campaign has triggered what may become the most significant reassessment of dollar-denominated assets since the Bretton Woods system collapsed in 1971. According to the Financial Times, foreign investors are pulling back from U.S. assets at a pace that has alarmed policymakers, central bankers, and market strategists across the globe. The question that once seemed academic — could the dollar lose its reserve currency status? — is now being asked in trading floors from London to Singapore with genuine urgency.
The numbers tell a stark story. Since Trump announced his latest round of tariffs in early April 2025, the dollar index has fallen sharply against a basket of major currencies. U.S. Treasury yields have spiked not because of strong economic data, but because foreign holders appear to be selling. And the stock market, which had been riding high on expectations of deregulation and tax cuts, has given back months of gains in a matter of weeks.
What makes this moment different from previous bouts of trade tension is the breadth and unpredictability of the tariff regime. Trump has imposed duties not just on strategic rivals like China, but on allies — Canada, the European Union, Japan, South Korea. The tariffs have been announced, paused, modified, and reimposed in rapid succession, creating a fog of uncertainty that makes long-term capital allocation nearly impossible. As the Financial Times reported, this erratic policy cadence has shaken the foundational assumption that U.S. assets are the world’s safest bet.
That assumption has been extraordinarily durable. The dollar accounts for roughly 58% of global foreign exchange reserves, down from about 71% in 2000 but still overwhelmingly dominant. The euro sits at around 20%. The Chinese renminbi, despite Beijing’s ambitions, accounts for less than 3%. No currency comes close to matching the dollar’s liquidity, the depth of U.S. capital markets, or the legal and institutional frameworks that underpin American finance.
But dominance and invulnerability are not the same thing.
Stephen Jen, CEO of Eurizon SLJ Capital and a former Morgan Stanley strategist, has been among the most vocal voices warning that the dollar’s share of reserves could decline faster than headline numbers suggest. His analysis, which adjusts for exchange rate movements, indicates that the dollar’s real share of global reserves has been eroding more quickly than the International Monetary Fund’s standard data shows. Jen has argued that what he calls a “stealth erosion” has been underway for years, accelerated by the weaponization of the dollar through sanctions — first against Russia, and now through tariffs that function as economic coercion against nearly every major trading partner.
The tariff shock has amplified trends that were already in motion. Central banks have been buying gold at record rates. In 2024, central bank gold purchases exceeded 1,000 tonnes for the third consecutive year, according to the World Gold Council. China’s central bank has been a particularly aggressive buyer, adding to its reserves month after month even as it gradually reduced its holdings of U.S. Treasuries. The People’s Bank of China held roughly $759 billion in Treasuries as of early 2025, down from over $1.1 trillion a decade ago.
Gold isn’t a currency. It doesn’t pay interest. It can’t be used to settle most international transactions. But it’s nobody’s liability, and in a world where the rules of the dollar-based financial system seem subject to change without notice, that quality has become enormously attractive to sovereign wealth managers.
The euro has been a quiet beneficiary. Since Trump’s tariff escalation, the euro has strengthened notably against the dollar, and European government bonds have seen inflows even as Treasury yields have risen. Germany’s decision earlier this year to loosen its constitutional debt brake and authorize hundreds of billions in new defense and infrastructure spending has, paradoxically, made euro-denominated assets more attractive by promising a larger supply of high-quality sovereign debt for investors to hold. The European Central Bank’s credibility, bolstered by its handling of the post-pandemic inflation surge, has also helped.
But let’s be clear about the scale of the challenge facing any would-be dollar replacement. Europe’s capital markets remain fragmented. There is no single European safe asset equivalent to the U.S. Treasury. The eurozone’s banking union is incomplete. And the EU’s political decision-making — requiring consensus among 27 member states — is slow and often incoherent. The euro could absorb some of the capital fleeing dollar assets, but it cannot replicate the dollar’s infrastructure overnight. Or even over a decade.
China faces even steeper obstacles. Capital controls remain in place. The renminbi is not freely convertible. China’s legal system does not offer foreign investors the protections they expect. And Beijing’s willingness to use economic tools for political coercion — its own trade restrictions, rare earth export controls, and pressure campaigns against companies — undermines the trust that a reserve currency requires. The digital yuan, despite extensive domestic piloting, has gained minimal traction internationally.
So if not the euro or the renminbi, then what?
Some analysts point to a more fragmented future — not a single replacement but a gradual diversification into multiple currencies, gold, and potentially new instruments. The BRICS nations have discussed creating alternative payment systems and even a common reference currency, though these efforts have produced more rhetoric than results. India’s rupee, while growing in bilateral trade settlement with Russia and some Gulf states, lacks the convertibility and market depth for serious reserve status.
The real risk for the United States isn’t that the dollar gets replaced tomorrow. It’s that the erosion accelerates. A world in which the dollar accounts for 45% of reserves instead of 58% is a world in which the U.S. government’s borrowing costs are meaningfully higher, in which American financial sanctions carry less weight, and in which the “exorbitant privilege” — the ability to run persistent deficits funded by foreign demand for dollar assets — diminishes year by year.
Treasury Secretary Scott Bessent has publicly dismissed concerns about dollar dominance, arguing that the administration’s trade policies will ultimately strengthen the American economy and, by extension, the dollar’s appeal. In a recent appearance, Bessent said the tariffs are designed to correct structural imbalances that have hollowed out U.S. manufacturing and left the country dangerously dependent on foreign supply chains. “A stronger domestic economy is the best foundation for a strong currency,” he said.
Markets have not been persuaded. The simultaneous sell-off in stocks, bonds, and the dollar — a trifecta that typically occurs only during genuine crises of confidence — suggests investors view the tariff campaign as value-destroying rather than value-creating. When all three asset classes decline together, it signals something deeper than a routine policy disagreement. It signals doubt about the institutional credibility of the issuer.
And institutional credibility is the real currency here. The dollar’s dominance was never purely about America’s GDP or military power. It was about predictability. Rule of law. Independent central banking. Deep, liquid, transparent markets governed by regulations that, whatever their flaws, were applied consistently. The concern now — expressed privately by central bankers and publicly by market commentators — is that the current administration is treating these institutional assets as expendable in pursuit of short-term trade objectives.
Barry Eichengreen, the Berkeley economist who has spent his career studying international monetary systems, has long argued that reserve currency status is “sticky” — countries hold dollars partly out of inertia, network effects, and the sheer cost of switching. But Eichengreen has also warned that stickiness has limits. History offers examples of reserve currencies that declined: the British pound’s slide from dominance took decades, but it happened, accelerated by two world wars, imperial overreach, and chronic fiscal imbalance.
The analogy isn’t perfect. Britain in 1945 was a debtor nation with a shrinking empire. The United States in 2025 is still the world’s largest economy with unmatched military reach. But the direction of travel matters more than the current snapshot.
Foreign official holders of Treasuries aren’t the only ones reassessing. Private investors — pension funds, sovereign wealth funds, insurance companies — are also recalibrating. Norway’s Government Pension Fund Global, the world’s largest sovereign wealth fund at over $1.7 trillion, has been gradually diversifying away from U.S. equities. Abu Dhabi’s ADIA and Singapore’s GIC have increased allocations to Asian and European markets. These moves predate Trump’s tariffs, but the trade war has given them additional momentum.
Japan remains the largest foreign holder of U.S. Treasuries, with over $1.1 trillion. But Japanese investors, facing a strengthening yen and rising domestic yields as the Bank of Japan slowly normalizes monetary policy, have less incentive to park money in dollar-denominated bonds than they did during the era of zero Japanese rates. A sustained unwinding of Japanese Treasury holdings — even a gradual one — would put significant upward pressure on U.S. borrowing costs.
The Federal Reserve finds itself in an extraordinarily difficult position. Inflation, which had been trending toward the Fed’s 2% target, now faces upward pressure from tariffs that function as a tax on imported goods. At the same time, the economic outlook is darkening as business investment stalls amid trade uncertainty. Chair Jerome Powell has signaled that the Fed will hold rates steady for now, but the stagflationary combination of rising prices and slowing growth leaves the central bank with no good options. Cut rates, and you risk stoking inflation. Hold rates, and you risk tipping the economy into recession. Raise rates, and you strengthen the dollar but crush growth.
The bond market is pricing in trouble. The yield curve, which had briefly normalized, has resumed its erratic behavior. Credit spreads on corporate debt have widened. And the volatility index for Treasuries — the MOVE index — has surged to levels not seen since the regional banking crisis of March 2023.
None of this means the dollar system is about to collapse. The infrastructure of dollar dominance — SWIFT, correspondent banking networks, the depth of the Treasury market, the role of the dollar in commodity pricing — took decades to build and won’t unravel quickly. But infrastructure that isn’t maintained deteriorates. And the tariff war, combined with growing fiscal deficits, political polarization, and the erosion of institutional norms, represents a form of deferred maintenance on the foundations of American financial leadership.
There’s a historical irony here. Trump’s stated goal is to strengthen America’s position in the global economy. His method — aggressive tariffs, bilateral deal-making, pressure on trading partners — is designed to extract concessions and reshore production. But the side effect may be to accelerate exactly the kind of financial multipolarity that would reduce American power. Countries that feel targeted by U.S. economic policy have every incentive to build alternatives. Not because those alternatives are better, but because dependence on a system whose rules keep changing is itself a risk.
The next few months will be telling. If the administration reaches trade deals that reduce uncertainty, markets could stabilize and some of the capital flight could reverse. If the tariff war deepens — particularly if it escalates further with China or extends to financial services — the damage to dollar credibility could become self-reinforcing. Capital flight begets higher yields, which begets more capital flight, which begets fiscal strain.
For now, the dollar remains dominant. But dominant and declining can coexist for a long time before the decline becomes irreversible. The question isn’t whether the dollar will be replaced. It’s whether the policies being pursued in Washington are hastening a future in which the privileges Americans have taken for granted — cheap borrowing, sanctions power, financial centrality — are slowly, steadily, quietly withdrawn by a world that has decided to hedge its bets.
That future, once theoretical, is starting to look like a trade the market is already making.
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