Iran War Inflation Could Take Years To Fade After Conflict Ends

By

Diccon Hyatt

Full Bio Diccon Hyatt is an experienced financial and economics reporter. He's written hundreds of articles breaking down complex financial topics in plain language, emphasizing the impact that economic currents would have on individuals' finances and the market. He has a Bachelor's degree in English from the University of Delaware.

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Published April 22, 2026

03:51 PM EDT

Fuel prices have soared as oil shipments have been disrupted by the war. Mohammed Al-Rifai / picture alliance / Getty Images

Key Takeaways

• The surge of inflation from the Iran War is likely to take two or three years to fully fade after the conflict ends, according to a new analysis.
• Historically, inflation spikes were slower to unwind if the source was related to oil, Oxford Economics found.
• High oil prices have pushed up costs for fuel, and could spread to other products and services as transportation costs rise.

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If you have a child who's a sophomore in high school, they'll probably have graduated by the time the inflation from the Iran war fully fades.

That's the upshot of an analysis of past economic crises and oil shocks by economists at Oxford Economics released this week. The researchers found that in past instances where war disrupted oil supplies, it took two or three years for the inflation to fully dissipate. After a year, less than a third of it was typically gone.

That stands in contrast to inflation spikes that happened for reasons other than oil, which usually faded quickly. The oil-driven inflation after the Iranian revolution in 1979, the Ukraine war in 2022, and other conflicts was much slower to fade by comparison. Oxford looked at 94 such episodes in its analysis.

The research shed light on the likely economic impact of the war as the conflict drags on. As of Wednesday, a ceasefire remained in effect, but peace talks were stalled, according to reporting by The Wall Street Journal.

Crucially, the Strait of Hormuz was still closed to ship traffic, cutting off the 20% of the world's oil supply that normally travels through the strait on its way to international markets from the Persian Gulf. Brent crude, the international oil benchmark, was at $101 per barrel recently, up from around $70 on the eve of war.

What This Means For The Economy

While the U.S. is more insulated from oil shocks than it was in the 1970s, thanks to increased domestic production, the Oxford analysis highlighted how rapid oil price increases can reverberate through the economy for years after the fact.

Elevated prices for oil have pushed up gas prices in the U.S. by more than $1 a gallon, and fuel price increases could spread to other products as higher transportation costs are passed on down the supply chain.

Other products like aluminum and fertilizer have also seen large price increases, posing further inflation risks. Economists foresee a surge of consumer prices this year.

For example, forecasters at Goldman Sachs have penciled in prices as measured by Personal Consumption Expenditures rising 3.1% over the year in 2026, a full percentage point above their prewar forecast.

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As Oxford and other experts have warned, those price hikes could persist for years. One reason for the lingering damage is that historically, oil exports from conflict zones have been slow to recover to prewar levels. Three years after the 1991 Gulf War, for instance, oil production in Iraq and Kuwait was still down more than 60%, Oxford found.

Those risks may not yet be reflected in financial markets, with major stock indexes hitting record highs despite the massive disruption to the global economy, according to Oxford.

"Despite the historical evidence of persistent economic scars from major oil supply shocks, business and investor reactions have been relatively contained to date," Jamie Thompson, head of macro scenarios at Oxford wrote. "This highlights the risk of an abrupt adjustment in sentiment, particularly in the event of a more prolonged US/Israel war with Iran."

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