The UK faces serious food security challenges, according to food policy expert Professor Tim Lang. He warns that the country isn’t equipped for potential climate shocks or conflicts that could lead to food shortages. The UK produces only about 54% of the food it needs, making it reliant on a small number of suppliers.
In comparison, countries like the US, France, and Australia are self-sufficient, able to support their populations without needing imports. Europe has stronger self-sufficiency as well; for instance, the Netherlands achieves 80%, and Spain 75%. As Lang pointed out at the National Farmers’ Union conference, the UK’s current reliance on external sources leaves it vulnerable. “We’re not thinking about this adequately,” he said, underscoring the need for better preparation.
While other countries stockpile food in case of emergencies, the UK’s approach is minimal. For example, Switzerland maintains reserves to feed its entire population for three months, with plans to extend that to a year. In contrast, the UK government recommends households keep only three days’ worth of food on hand.
Lang’s research reveals alarming trends. Major retailers dominate the market, with just nine companies controlling 94.5% of UK food. This concentration makes the system fragile. If a few distribution centers were disrupted, the impact would be felt broadly, leading to potential social unrest. Recent studies suggest that food shortages could result in riots due to the system’s vulnerabilities.
Since Brexit, the situation has worsened. Analysis by the University of Sussex shows that imports from the EU have dropped by an average of 8.71% each year, complicating the UK’s ability to obtain necessary food supplies, especially fresh produce from southern Europe and North Africa. Poor weather in these regions recently caused a salad shortage across the UK, highlighting just how quickly issues can become critical.
Lang emphasized the need for a shift in policy to strengthen food security. He suggests implementing a Food Security and Resilience Act that prioritizes the purpose of food systems: to nourish people. He believes that the UK has the resources and capability to boost domestic food production significantly.
As climate change continues to impact agriculture globally, the situation may only get worse. The UK Health Security Agency warns that by 2050, a large portion of the country’s legume and fruit requirements could come from regions affected by climate vulnerability.
The current food system, designed for efficiency, may no longer serve its purpose in a world that faces increasing uncertainties. Lang argues for greater flexibility in food production, drawing attention to a critical issue: “It’s a crazy misuse of land not to do that.”
By addressing these challenges with proactive legislation and sustainable practices, the UK can safeguard its food future.
For more details, consider looking into the UK Food Security Report for comprehensive statistics and analyses.

