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Report

Illegal online gambling: Challenges of estimating the size of the illegal gambling market

The final chapter of the Gambling Commission's research into the illegal online market, focusing on challenges estimating the size of the market.

Published
6 November 2025

Last updated
12 September 2024 - Changes

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  1. Contents
  2. Content of this report

Content of this report

This report contains detail of the response rates achieved and weighting strategy for Year 2 Wave 1 of the Gambling Survey for Great Britain (GSGB), which was carried out between 15 January and 28 April 2024.

Detail on the background to the survey, the methodology, sampling strategy, and questionnaire content are provided in the Gambling Survey for Great Britain - technical report.

Data tables are provided in Statistics on gambling participation – Year 2 (2024), wave 1 .

The online and postal questionnaires for Year 2, wave 1 are provided in Appendix A – Online questionnaire and Appendix B – Postal questionnaire of this report.

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