iGaming in 10 numbers.
Ten cited figures that explain online gambling — how big it is, where the harm concentrates, and the small-but-certain maths underneath. Every number is primary-sourced and dated. Nothing here is advice; it is understanding. 18+.Roughly one in twenty adults on Earth. Gambling is not a fringe activity — which is exactly why understanding it matters.
The Lancet Public Health, 'The Lancet Public Health Commission on gambling' thelancet.comNearly half — and over a quarter once you set the lottery aside. Mainstream, everyday behaviour.
Gambling Commission, 'Gambling Survey for Great Britain — Annual report 2024: Headline statistics' gamblingcommission.gov.ukA conservative global estimate. Harm is real and measurable, not moral panic.
The Lancet Public Health, 'The Lancet Public Health Commission on gambling' thelancet.comThe harm is not spread evenly — it concentrates in the fastest, most continuous products. Format matters more than most people think.
The Lancet Public Health, 'The Lancet Public Health Commission on gambling' thelancet.comThe population-wide rate looks small until you multiply it by the population — and it climbs sharply among heavy online-product users.
Gambling Commission, 'Gambling Survey for Great Britain — Annual report 2024: PGSI' gamblingcommission.gov.ukEvery €100 staked returns about €97.30 over the long run. The edge is small per spin — and inescapable over volume.
Wizard of Odds, 'House Edge of Casino Games Compared' wizardofodds.comOne extra pocket nearly doubles the edge. The rules of the specific table decide the cost, not luck.
Wizard of Odds, 'House Edge of Casino Games Compared' wizardofodds.comSkill shrinks the edge to almost nothing — but never below zero. The house still wins on average; it just wins slower.
Wizard of Odds, 'House Edge of Casino Games Compared' wizardofodds.comThe widest range of any game, and it is never printed on the machine. What you cannot see, you cannot compare.
Wizard of Odds, 'House Edge of Casino Games Compared' wizardofodds.comFor scale: you are far more likely to be struck by lightning. The jackpot is a story the ticket tells you, not a plan.
EuroMillions, 'Odds of Winning' euro-millions.comPut together, the numbers tell one honest story: gambling is huge and mostly ordinary, harm is real and concentrates in the fastest products, and the maths underneath is small per bet yet certain over time. That is the whole game, before any marketing. Go deeper in the lessons, see the full cited figures, or if the numbers hit close to home, check where you stand and get help.
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