Lottery is a form of gambling in which people have the opportunity to win a prize based on the drawing of lots. State governments regulate the lottery and, in many cases, use the proceeds to fund public projects. Lotteries are popular in many countries, including the United States and Canada. Some people also attempt to increase their odds of winning by using various strategies.

Although casting lots to make decisions and determine fates has a long history, the first recorded public lottery with tickets for sale and prizes in the form of money was held in the Low Countries in the 15th century. The term “lottery” is probably a diminutive of the Middle Dutch noun lot, meaning “fate.”

Once established, most lotteries have evolved along fairly predictable trajectories: The state legislates a monopoly for itself (as opposed to licensing a private firm in return for a cut of the profits); begins operations with a modest number of relatively simple games; and, driven by constant pressure for additional revenues, progressively expands its portfolio of offerings.

While critics of lotteries point to their regressive impact on poorer members of society, research suggests that the vast majority of players and lottery revenue come from middle-income neighborhoods. In fact, the poor (defined as those in the bottom quintile of income distribution) participate at lower rates than their percentage of the population. However, they do spend a higher share of their discretionary income on lottery tickets than the wealthy and the middle class.