For example, a large number of regions have no age limits for bingo games, while a couple of them are more rigorous and prohibit consumers below 21 to engage in this type of entertainment, be it land-based or digital.To clear away all the doubts regarding the legal gambling age, we came up with this table which covers some of the busiest gambling markets in the world. Limits are not the same for the lottery, pari-mutuel betting, casinos, charity bingo, and online casinos. Making the situation additionally confusing is the category of games. If you were to be asked “How old do you have to be to go to a casino?”, you’d probably say 18, wouldn’t you? While in most situations, the answer would be correct, or to be more precise, keep in mind that each state has its own laws and regulations on what’s classified as legal casino age. Minimum Age to Gamble in United States of America