Gambling is a form of entertainment in which people stake something of value, such as money or goods, on an outcome determined by chance. It may also involve skill, such as in a game of poker or blackjack, where the odds of winning are based on mathematical probabilities and strategies. It is a popular pastime and can be found in many social settings, from casinos to sports events. Gambling is a major industry and contributes to the economy in many countries around the world.
Those who advocate the legalization of gambling argue that it brings in tourists, which can improve local economies.