Wealth inequality is becoming a more & more important question in today's society. Billionaires, despite being modest in number, hold immense wealth and wield a significant influence over the global economy. Each year, Wealth X analyzes the state of the world’s ultra wealthy population. As you'll see below, not only is money concentrated among a small portion of the population, those people tend to gravitate towards global cities such as London, Hong Kong, and New York. In fact, 70% of ultra high net worth individuals (UHNWIs) – persons with investable assets of $30 million or more – reside in just ten cities around the world.