According to statistics, gambling is a legal industry in two-thirds of countries in the world. Because it provides high taxes for the country. And the harm to society is not recognized. So most countries can accept it. But most of them are limited. For example, in some areas (such as the United States, that is, Las Vegas, Atlantic City and other cities are legal. It is also forbidden for you to open a casino in new york. There are also strict restrictions on the age of gamblers.

According to the nature of gambling from low to high, gambling can be divided into three levels, lottery, sports betting such as horse racing and casino. In most countries, lottery tickets are legal and casinos are illegal. With the development of society, gambling has become a means for many countries to earn foreign exchange. To take an extreme example, in North Korea, there is a standard casino under Yangjiao Island Hotel, which is not allowed for domestic personnel to enter, but only for foreign tourists.