Energy prices are rising fast because the conflict involving Iran is getting in the way of oil shipments. That matters everywhere, from gas pumps in the United States to factory floors in China and heating bills in Europe.
What is happening at the Strait of Hormuz?
Iran is blocking tankers and disrupting shipments that normally move through the Strait of Hormuz. This waterway handles a very large share of the worlds oil trade, and the interruption is large enough to be felt around the globe. The longer the disruptions last, the worse the economic fallout is likely to be.
The size of the shock
- About 20 percent of global oil flow is being affected.
- That level of disruption is roughly twice what the world faced during the major energy shock of the 1970s.
- Oil and gas prices are already moving higher, and markets expect slower growth as a result.
Why this could push the world toward recession
Large oil shocks have a track record. Historically they have pushed inflation up, slowed economic activity, and sometimes coincided with recession. Higher energy costs act like a tax on consumers and businesses: people have less to spend, and companies face higher production costs.
Who is most at risk
- United States: Consumers feel higher pump prices and broader inflation pressures.
- China: Factories face higher input costs, which can slow industrial output.
- Europe: Households and industry cope with higher energy bills during an already fragile recovery.
What to watch next
Key things to monitor are how long the Strait disruptions continue, whether shipping can be rerouted at scale, and how central banks respond to rising inflation. Diplomatic and military developments will also matter for how quickly supply can stabilize.
Bottom line: The current disruption is big and fast enough to drive global energy prices higher. If it lasts, the fallout could mean slower growth, higher inflation, and a real chance of recession in multiple regions.
Published on 17 Mar 2026.
