Gambling (also known as betting or gaming) is the wagering of something of value ("the stakes") on an event with an uncertain outcome with the intent of winning something else of value. Gambling thus requires three elements to be present: consideration (an amount wagered), risk (chance), and a prize. The outcome of the wager is often immediate, such as a single roll of …

Most forms of gambling in Japan are generally banned by the Criminal Code chapter 23; however, there are several exceptions, including betting on horse racing and certain motor sports.. Public sports, lottery, and toto (football pools) are held under special laws in order to increase the income of national and local governments as well as to offer a form of entertainment.