Worldpanel Expands Consumer Shopping Panel to 55,000
The research firm added 25,000 new participants to better track purchases across smaller retail and digital channels.
Updated on Oct. 15, 2026 in Shopping — General
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Worldpanel has expanded its consumer research panel to 55,000 individuals, incorporating 25,000 new participants to its previous group of 30,000. The update allows the firm to track retail trips at platforms like Amazon and Costco, as well as independent and bargain stores.
Why it matters
The expansion enables the company to capture data from retail channels previously excluded from tracking and improves demographic representation of younger shoppers. This move provides a more comprehensive view of individual shopping habits by requiring lower effort from participants who scan or upload receipts.
The expanded panel now totals 55,000 members, up from the original 30,000 consumers. Grocery market growth reached 1% in the four weeks ending October 12, 2026, while grocery price inflation rose to 2.5%.
The players
Worldpanel
Worldpanel is a market research firm that tracks consumer shopping habits through data collected from large-scale panels.
Amazon
Amazon is a major global e-commerce and technology company that is now included in the expanded tracking scope.
Costco
Costco is a multinational membership-based warehouse club operator that has been added to the retail channels tracked by the panel.
The details
By allowing new panellists to upload or scan receipts rather than solely relying on barcode scanning, the company reduced the effort required from users. This updated methodology facilitates the tracking of specific retail segments including symbol stores, independent retailers, and discount bargain outlets.
Timeline
October 12, 2026: The measurement period for the latest four-week market growth data ended.
April 2026: The most recent prior low point for grocery market growth occurred.
Culture Shift
This development reflects the broader industry shift toward integrated omni-channel analytics as traditional tracking methods struggle to capture fragmented consumer spending. By diversifying data collection, the firm aligns its reporting with the modern reality of digital and discount-based shopping.
The expanded data collection may result in more accurate reporting on retail prices and availability across the specific bargain and independent stores you frequent. Shoppers participating in such panels may find the new receipt-upload method a more convenient way to contribute to market research.
The takeaway
The move toward receipt-based tracking signals a change in how market research firms capture consumer habits in a fragmented retail landscape. Readers should note that data on market growth is currently at its lowest level since April 2026 as grocery price inflation maintains pressure on the market.
Further reading
For more on the latest developments in consumer trends, visit our Shopping — General section.
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Do you trust that tracking more types of store purchases gives a better picture of spending?
