· here are some of the countries that fit the bill. The u. s. , switzerland, and singapore came in third, fourth, and fifth, respectively. · in the consultant jargon, these people are called uhnws, that is ultra-high-net worth individuals. So according to the wealth report, there are more than 170,000 uhnws in the world and here’s the top five list of countries with most rich people. Hong kong and israel have more self-made billionaires than any other countries. · so, where is it easiest to become a billionaire ? “there’s good pay and the opportunity for career progression and an improved quality of life,” the hsbc report noted. Switzerland takes the top spot for expats looking to grow their wealth, according to hsbc. It’s easiest in a place where your unique vision for solving a significant problem can be amplified by a supportive ecosystem of capital, talent, and customers. · alux a world-wide recognized authority when it comes to ranking the most expensive things in the world and frequently referenced in publications such as forbes, usatoday, wikipedia and many more as. · discover the places easiest to get rich, from thriving economies and global cities to tax havens and rising digital markets.