Worldpanel by Numerator

Worldpanel by Numerator is a market research firm that tracks consumer spending and market share, particularly within the grocery sector in the UK. They are newsworthy due to their regular reports on grocery sales, retail performance, and consumer trends, which provide insights into the UK economy and the competitive landscape of the retail industry. Recent data from Worldpanel by Numerator highlights several key trends: a shift towards healthier eating habits at the start of 2026, easing grocery price inflation, varying performance across retailers during the Christmas period, and the continued growth of discounters like Aldi and Lidl at the expense of some traditional supermarkets. Their market share data is used by major retailers like Tesco to assess their performance and strategize for future growth. Worldpanel's reports are relevant because they offer a snapshot of consumer behavior and the overall health of the UK retail market.