Aussie Food Consumers Are About to Get Eaten by Inflation

Key Takeaways

• Iran war threatens Strait of Hormuz, spiking diesel and fertilizer costs
• Australian food CPI rose 3.1% YoY to Feb 2026
• Over 70% of Aussie agricultural output is exported, limiting domestic supply
• Fertilizer shortages could shrink winter‑spring crops, raising produce prices
• Grocery duopoly’s high margins may amplify price shocks for consumers

Pulse Analysis

The current geopolitical flashpoint in the Middle East has exposed a fragile link in Australia’s food supply chain. The Strait of Hormuz, a critical conduit for diesel and nitrogen‑based fertilizers, is under threat from renewed hostilities, pushing diesel prices toward a doubling and tightening fertilizer availability. Because Australian farms depend heavily on imported urea and ammonium nitrate—much of it sourced from Gulf exporters—any disruption reverberates through the entire agri‑value chain, inflating the cost of everything from potatoes to bread. Converting the typical A$1,000 per tonne urea price to roughly US$660 underscores how a modest freight surge can translate into noticeable retail price hikes.

Domestically, policy choices have amplified the vulnerability. Over the past decade, gas prices have risen sharply as Australia prioritized LNG export over local fertilizer production, effectively sidelining a century‑old nitrogen‑making capacity. With more than 70% of agricultural output destined for overseas markets, the nation’s food basket is less insulated against global shocks. The ABS’s 3.1% year‑over‑year CPI increase for food and non‑alcoholic beverages signals the early stages of broader inflation, while climate forecasts point to a 62% chance of a super‑El Niño that could further depress winter‑spring yields. Together, these forces threaten to erode both farm profitability and household purchasing power.

For consumers, the impact will be most visible at the checkout. Australia’s two‑store grocery duopoly—Coles and Woolworths—already operates with some of the highest margins globally, giving it leeway to pass on higher input costs through dynamic pricing and reduced promotions. As fertilizer scarcity drives up farmgate prices, the duopoly’s pricing algorithms are likely to amplify the ripple effect, leaving shoppers to shoulder steeper bills for staples like milk, meat, and fresh produce. Policymakers face a tightrope: they must balance export revenue with strategic reserves of diesel and fertilizer, while also considering climate‑resilient farming practices to mitigate the looming El Niño threat. Failure to act could deepen food‑price inflation and spark broader social discontent.