A tiny European city-state, the size of New York’s Central park, is the leader of the 11 Cities with the Most Millionaires Per Capita. Nearly one in three people there is a millionaire, and we are quite sure that the rest work for them. Looking at the numbers, it has almost seven times the millionaire density of New York. A staggering 29%. After all, low tax and a beautiful Mediterranean waterfront, who wouldn’t want to live here?