
By Farhan Ali • June 23, 2025
The U.S. dollar has long been the world’s default reserve currency—used in more than 88% of all global FX transactions and underpinning trillions in cross-border trade. But that dominance may be entering a fragile phase as renewed Trump-era unpredictability spooks investors, creditors, and global financial institutions.
The Decline So Far
Since Trump resumed power, the dollar has dropped more than 10% against a weighted basket of major global currencies. Most concerning for economists:
- The euro and Swiss franc are strengthening rapidly in comparison.
- Global central banks are accelerating efforts to diversify reserves into gold, yuan, and the euro.
- U.S. treasury yields have spiked as foreign buyers demand greater return for higher risk.
Investor Sentiment
Credit markets are jittery. Analysts point to Trump’s public clashes with the Federal Reserve, renewed skepticism about NATO-aligned trade agreements, and isolationist tones in his economic platform. These factors have seeded uncertainty among international investors who typically rely on dollar-backed stability.
Structural Threats to Dollar Supremacy
- De-dollarization Movement: BRICS nations and oil producers are increasingly trading in local currencies.
- Geopolitical Risk Premium: Trump’s erratic statements are driving risk premiums on U.S.-based investments.
- Policy Volatility: Tariff threats, sanctions, and erratic budget planning are destabilizing long-term confidence.
Historical Context
While the dollar has weathered many storms before, experts note that credibility is the cornerstone of reserve status. “A reserve currency needs to be stable, neutral, and broadly trusted,” said a Bank of England strategist. “When the issuing nation appears unpredictable, that trust erodes.”
What Could Happen Next?
- More capital could flee to assets like gold, the Swiss franc, and crypto hedges.
- U.S. borrowing costs may continue to rise.
- Multinational institutions could begin pricing contracts in euros or yuan instead of dollars.
Conclusion
The U.S. dollar’s supremacy wasn’t built overnight—and it won’t disappear overnight. But with Trump’s approach stirring fresh doubts in an already fragile global economy, the cracks in the greenback’s reign are becoming harder to ignore.

Additional References:
- Bloomberg Business (@bloombergbusiness)
- Financial Times (@financialtimes)
- The Economist (@economist)
- CNN Politics (@cnnpolitics)
- The New York Times Business (@nytimesbusiness)
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