A lottery is a form of gambling where players pay for tickets and hope to win prizes by matching a set of numbers or symbols. The prizes can be anything from units in a subsidized housing block to kindergarten placements at a prestigious public school. Although state lotteries are legal, they are not without controversy.

For example, some people worry that they prey on economically disadvantaged citizens by offering them the chance to win big money with small stakes. A recent Gallup poll, for instance, found that lottery play is higher among the poor than those in the middle class or above. In addition, some people argue that the lottery undermines financial discipline by promoting reckless spending habits.

Lotteries are also often perceived as a “hidden tax” because state government revenues are derived from consumers who voluntarily spend their money to get a chance to win a prize. The state then collects taxes from these purchases to fund the prizes and other state expenses.

However, the fact that state governments have a strong interest in keeping ticket sales robust means that they must retain a significant percentage of their total revenues. This reduces the share of revenue that is available for the state to use on things like education, the ostensible reason for having lotteries in the first place. Because of this, there is a real concern that the lottery is serving at cross-purposes with the state’s fiscal health.