No. 5: Germany

Bloomberg News

No. 5: Germany

Population: 82 million

2009 number of millionaire households: 430,000
Percentage increase: 23.1 percent YOY
Share of country’s wealth held by millionaire households: 22 percent

Not only have Germany’s rich increased in numbers, apparently some have also heightened their sense of public duty. According to a report by CNBC, a group of German millionaires and billionaires founded a Club of the Wealthy and proposed to Chancellor Angela Merkel that they give 10 percent of their income as a "rich tax" for 10 years to address budget problems.