26/06/2026
Future importance of US $ in Global financial system post Iran-Israel War
The U.S. dollar is likely to remain the dominant global currency for the foreseeable future, even after the Iran–Israel conflict, but the war has accelerated some long-term trends toward diversification.
Why the U.S. dollar remains strong
Safe-haven demand
During periods of geopolitical uncertainty, investors typically move money into U.S. Treasury bonds and dollar-denominated assets.
The Iran-Israel conflict initially strengthened the dollar rather than weakening it, as global investors sought safety.
Reserve currency status
The dollar still accounts for roughly 55–60% of global foreign-exchange reserves and remains the dominant currency in international trade and financial transactions.
Depth of U.S. financial markets
No other country currently offers financial markets as large, liquid, and trusted as those of the United States. This makes the dollar difficult to replace.
Energy and economic resilience
The U.S. is now one of the world's largest oil and gas producers, reducing its vulnerability to Middle East disruptions compared with previous decades.
Challenges to future dollar dominance
De-dollarization efforts
Countries such as China, Russia, and Iran are expanding trade in local currencies and developing alternative payment systems.
Growing use of the Chinese yuan
China's Cross-Border Interbank Payment System (CIPS) is increasingly used in trade with sanctioned countries, including Iran.
Reserve diversification
Many central banks are gradually increasing holdings of euros, yuan, and gold, although the dollar remains by far the largest reserve asset.
U.S. fiscal debt concerns
Rising U.S. government debt could eventually reduce confidence in the dollar if investors begin questioning long-term fiscal sustainability.
Conclusion
The Iran–Israel war has not fundamentally weakened the U.S. dollar's position. In fact, the conflict reinforced the dollar's role as a global safe-haven asset. However, the war has also encouraged some countries to develop alternative payment systems and reduce dependence on the dollar. The most likely outcome is not the end of dollar dominance, but a gradual shift toward a more multipolar financial system where the dollar remains number one but shares more space with the euro, yuan, and gold.