9. Albert II, Prince Of Monaco ($1 Billion)
While Monaco is a tiny country, it is the wealthiest in the world per capita. The good prince owns almost 20 percent of the country personally and it consists of roughly 40,000 people. After Prince Renier passed away in 2005, Albert II took over the title and has become the topic of many controversial discussions regarding his line of succession. Thanks to his penchant for having children out of wedlock, Albert II has been quite the talk of the world.