Online gambling legality varies widely across the globe. In the United States, states like New Jersey, Pennsylvania, and Nevada have legalized online casinos and sports betting, while others maintain strict prohibitions. In Europe, countries such as the United Kingdom and Malta have well-regulated online gambling markets. Conversely, many nations in Asia and the Middle East impose strict bans on online gambling activities. It's essential for players to research local laws and regulations, as the legal landscape is constantly evolving and can differ significantly even within regions.