The US is the world's third most populous nation, so it is perhaps no surprise that it boasts the world's highest number of casinos. The country is home to more than 2,000 casinos!

Prague, Czechia - 51.48 casinos per million people\n\n Czechia's capital boasts a total of 60 casinos, more than any other European city on our list. Casinos in Prague boast over 1,000 slot machines, six casino hotels, and 95 table games.