įocusing on some of the largest gambling markets across the world, the number of active gamblers is as follows: Īustralia has the highest rate of gambling activity among its adult population with as many as 73% of adults having gambled in the past 12 months. A recent study carried out across 44 countries revealed that 56% of those surveyed have gambled at least once in the past 12 months. It is estimated that around 26% of the world’s population have gambled at some point in their lives.Īpproximately 4.2 billion people gamble at least once a year. Popular forms of gambling worldwide include sports-betting, lotteries, scratch-cards, casino games (like Blackjack, Roulette, Keno), bingo and card-games like poker. The global gambling industry services billions of gamblers each year, both online and in land-based gambling establishments like casinos, bingo-halls and poker rooms and even in unusual places like cruise ships and Las Vegas airports.