Which are the top 10 casinos in the world with the most gaming machines?

As of 2021, the top 10 casinos in the world with the most gaming machines (slot machines) are:

1. WinStar World Casino and Resort – Thackerville, Oklahoma, USA
2. Venetian Macao – Macau, China
3. Rio Casino Resort – Klerksdorp, South Africa
4. Casino Lisboa – Lisbon, Portugal
5. Mohegan Sun – Uncasville, Connecticut, USA
6. Borgata Hotel Casino & Spa – Atlantic City, New Jersey, USA
7. MGM Grand Las Vegas – Las Vegas, Nevada, USA
8. Foxwoods Resort Casino – Ledyard, Connecticut, USA
9. NagaWorld – Phnom Penh, Cambodia
10. Resorts World Genting – Genting Highlands, Malaysia

Please note that this information is subject to change as new casinos open, and existing ones may alter their number of gaming machines.