The ongoing war involving Iran is reshaping global food inflation dynamics, with major supermarket CEOs warning that energy shocks, shipping disruptions, and fertilizer shortages are now feeding directly into grocery price increases across the world.
The conflict, which has severely disrupted traffic through the Strait of Hormuz, has triggered one of the largest energy supply shocks in decades. This waterway normally carries around a fifth of global oil and a major share of liquefied natural gas and fertilizer-related materials. With flows heavily restricted, global oil prices have surged, raising costs across transport, agriculture, and food processing chains.
At the centre of industry concern is the direct link between energy prices and food inflation. Higher oil costs increase the price of transporting goods, refrigerating perishable products, and producing agricultural inputs such as fertilisers. Analysts warn that even a temporary disruption can create lasting pressure on global food systems due to seasonal planting cycles and supply chain delays.
Retail executives from some of the world’s largest supermarket groups have acknowledged the growing pressure. Walmart has reported that customers are already changing behaviour in response to rising fuel costs linked to the conflict. The company noted that households are reducing fuel consumption per trip and shifting spending toward essential goods, signalling increased financial stress among consumers.
Executives in Europe are also closely monitoring the situation. Carrefour leadership has highlighted broader inflation risks driven by global commodity volatility and logistics disruptions. Carrefour has previously warned that food inflation remains highly sensitive to energy price spikes, particularly in categories such as fresh produce, meat, and packaged goods, where transport and refrigeration costs form a large part of retail pricing.
Industry sources also point to other major retail players including Tesco, Aldi, and Costco as closely tracking the same cost pressures. While Aldi and Costco benefit from strong supply chain efficiency and bulk purchasing models, all retailers remain exposed to global commodity and fuel volatility.
The agricultural sector is among the hardest hit. Fertiliser prices have risen due to disruptions in gas and petrochemical flows from the Gulf region. Experts warn that this could reduce crop yields in the next planting cycle, especially in wheat and maize-producing regions. Food security agencies have warned that prolonged disruption could tighten global grain supply and push staple food prices higher.
Beyond direct cost increases, CEOs are increasingly concerned about uncertainty. Business leaders note that volatility is now more damaging than high prices themselves. Unpredictable oil and shipping costs make it difficult for companies to plan contracts, manage inventory, and set stable retail pricing. This uncertainty is leading to conservative purchasing behaviour across supply chains.
In addition to food inflation, logistics networks are under strain. Shipping companies are rerouting vessels away from the Gulf, increasing transit times and insurance costs. Air freight and overland trucking are being used as partial alternatives, but at significantly higher expense. These costs are ultimately passed on to retailers and consumers.
Consumer behaviour is also shifting rapidly. Households are moving toward lower-cost private label goods, frozen food products, and bulk purchases. Retailers report increased demand for discount ranges and promotional pricing as inflation continues to pressure disposable incomes.
Despite the disruption, global retailers are attempting to absorb part of the cost shock to avoid sudden price spikes. However, analysts warn that sustained conflict in the region could eventually force broader price increases across essential food categories worldwide.
The war in Iran is therefore not only a geopolitical crisis but also a structural shock to the global food system. With CEOs from major retailers and wholesalers signalling caution, the outlook for food inflation remains highly dependent on the duration of energy and shipping disruptions.