Analysis Questions Accuracy of UK Gambling Survey Participation Rates

Dan Waugh of Regulus Partners presented new research at the UNLV Eadington Conference 2026 that compares the UK Gambling Commission's Gambling Survey for Great Britain against operator administrative records, and the findings reveal substantial differences in reported participation levels across several gambling categories. The analysis draws directly from data supplied by the Betting and Gaming Council while examining how the GSGB questionnaire captures activity in areas such as casino table games, football pools, and betting exchanges. Those who've studied the presentation note that the discrepancies appear consistent rather than isolated, prompting questions about how survey methodology may influence the resulting estimates used in regulatory discussions.

Details from the Conference Presentation

The research was delivered during the 2026 gathering in Las Vegas, where Waugh outlined the process of matching GSGB responses to verified transaction and visit records held by licensed operators. Participation rates derived from the survey exceeded the administrative figures in each examined segment, with the scale of overstatement varying by product type. Observers at the event heard that the GSGB relies on self-reported recall over a defined period, whereas operator data records actual customer interactions in real time. This contrast forms the core of the comparison, and the presentation included side-by-side calculations for multiple verticals to illustrate where the gaps emerge most clearly.

What's interesting about the approach is its focus on direct reconciliation rather than statistical adjustment, which allows the raw divergence between the two datasets to stand on its own. The analysis further examines response patterns that could contribute to the observed inflation, such as telescoping effects where participants include events outside the intended reference period. Because the GSGB serves as a primary input for policy development, any consistent upward bias carries forward into prevalence estimates that inform licensing conditions and harm-reduction measures. Those reviewing the slides at the conference noted the absence of corresponding understatements in other categories, which reinforces the directional nature of the discrepancy identified.

Context Around Data Sources and Methodology

The GSGB was designed to provide population-level insights into gambling behavior across Great Britain, replacing earlier instruments with a larger sample and updated question formats. Operator administrative data, by contrast, originates from transaction logs maintained under regulatory requirements and aggregated by industry bodies such as the Betting and Gaming Council. Waugh's comparison treats these logs as the reference standard for actual participation, then measures how far the survey deviates from that baseline. The presentation included discussion of sample weighting procedures and question wording that may encourage broader interpretations of what constitutes participation, particularly for infrequent or low-stakes activities. Experts who attended the session observed that similar gaps have appeared in other jurisdictions when self-report surveys are validated against backend records, suggesting the issue is not unique to the UK framework.

Turns out the scale of overstatement varies with product familiarity, as more visible activities like casino visits produce larger percentage differences than some digital formats. The research stops short of attributing intent to respondents and instead highlights measurement limitations inherent in recall-based instruments. Regulatory bodies have historically used GSGB outputs to track trends and set priorities, which means any systematic elevation in participation figures could shift resource allocation toward segments that show lower actual engagement. The analysis presented at the conference stops at documenting the differences and outlining possible methodological contributors, leaving questions of corrective action for subsequent work.

Conclusion

The findings from Dan Waugh's presentation at the UNLV Eadington Conference 2026 establish a clear quantitative gap between the Gambling Survey for Great Britain and operator-sourced administrative records across multiple product categories. Participation estimates for casino table games, football pools, and betting exchanges all appear elevated when measured against the same underlying activity logs. The work draws attention to the potential for survey design elements to influence reported rates, and it supplies concrete percentage differences that can be examined by other analysts. Further reconciliation exercises may clarify whether adjustments to question framing or reference periods can narrow the observed divergence, while continued reliance on the GSGB for policy purposes rests on an understanding of these measurement characteristics.