Data: Asda struggles as Aldi and Lidl thrive on promotion growth

Asda has seen its sales fall by 5.6% in the 12 weeks to 23 March 2025, with its market share slipping to 12.5%, according to the latest data from Kantar.
In contrast, Aldi and Lidl both gained market share during the period. Aldi’s market share rose to 11.0%, while Lidl’s increased to 7.8%, as their sales grew by 5.6% and 9.1%, respectively.
Tesco also reported strong results, with sales rising by 5.4%, boosting its share of the grocery market to 27.9%, while Sainsbury’s saw a