Experts urged caution over the figure, insisting that the true addiction rate is likely to be closer to the health survey figures of 0.7% cited by industry regulator the Gambling Commission.īut the findings still indicate that the number of problem gamblers – defined as scoring more than eight on the Problem Gambling Severity Index (PGSI) – may be significantly above current estimates. In a survey commissioned by the GambleAware charity, YouGov estimated that up to 2.7% of adults in Great Britain, or nearly 1.4 million people, were problem gamblers.