<p>There are inherent difficulties in accurately estimating the scale of the unlicensed gambling market in this country. We are not aware of any robust estimates for precisely how many unlicensed sites are accessible from the UK, and this is further complicated by the high churn in black market operations.</p><p>However, the Government is aware of a number of studies including from the industry which suggests that the black market accounts for less than 2.5% of bets. Data from the Gambling Commission also suggests that the scale of the black market has remained low and stable, with little variation in the number of complaints it has received about illegal gambling websites.</p><p> </p>