Report

Phase 4: Illegal Gambling Index – Technical Report

The Gambling Commission’s technical report detailing the development of the Illegal Gambling Index.

---

Published
5 November 2026

Last updated
5 November 2026 - Changes

Document actions
Print or save (opens in new tab)

Contents

• Phase 4: Illegal Gambling Index – Technical Report

---

• Executive summary
• Introduction
• Overview of approach
• • Timeline of the approach
  • Strengths and limitations
• Statement development
• • Statement development during Phase 1
  • Statement development during Phase 2
  • The final statements for the GSGB
• Development of the analysis approach
• • Introduction to the development of the analysis approach
  • Development of the illegal gambling index
  • Flexing the index for the GSGB
  • Recommendations for future use
• Commission modification of the index
• Final illegal gambling index
• • Final strength ratings for the index
  • Calculating the index
  • Reporting the findings
• Conclusions and next steps
• Appendices
• • Appendix A - Quota and weighting targets for representative online survey
  • Appendix B - Authorship of this report

Overview of approach

Contents

1. Timeline of the approach The timeline of the approach in The Gambling Commission's Phase 4 illegal gambling technical report.
2. Strengths and limitations The strengths and limitations in The Gambling Commission's Phase 4 illegal gambling technical report.

Previous section
Introduction - Illegal gambling technical report Next section
Statement development - Illegal gambling technical report

---

Last updated: 5 November 2026

Show updates to this content

No changes to show.