The Minimum Age to Gamble in Las Vegas (Nevada) You can also check the US gambling age by state provided here, which is an interesting guide in itself. In this guide, we explore the minimum legal age to gamble in each city and some of the intricate details you will need to know about the age restrictions. As for Atlantic City, it is not quite on the scale of Macau or Las Vegas, with 9 land-based casinos, but it also has something neither Macau nor Vegas has – online casinos and plenty of them. Probably because Vegas has better marketing and more casinos than Macau boasting over 100, while Macau turns over a larger GGR (Gross Gaming Revenue) via 40+ land-based establishments – less than half than its main rival. It holds the title as the number one destination for gambling, and although Macau might have overtaken Vegas in revenue in recent years, most still regard Vegas as the casino capital of the world – a title the city has held onto for decades. Las Vegas certainly needs no introduction. However, when it comes to gambling, the age limits between the two may determine which city you choose – that is if you fancy a flutter on the slot and table games when you visit. There are plenty of reasons to visit either Las Vegas or Atlantic City, and each of them are fantastic cities in their own right whether you like to gamble or want to enjoy a unique vacation.