Singapore
Singapore is a tiny island country and it is whole one city. Considering that it is pretty big city and also the 3rd most densely populated country. The Singaporean economy is known as one of the freest, most innovative, most competitive and most business-friendly. It is also one of the least corupt countries. Singapore has the world's highest percentage of millionaires, with one out of every six households having at least one million US dollars in disposable wealth. This excludes property, businesses, and luxury goods, which if included would further increase the number of millionaires, especially as property in Singapore is among the world's most expensive.
