Where the World's Millionaires Live

By David de Jong - 2012-06-06T19:49:33Z

Photograph by RRR/Getty Images

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13. Oman

Population: 2.8 million
Percentage of millionaire households: 2.5%

The sultanate of Oman, the 24th-largest oil-exporting nation in the world, counted about 12,000 millionaire households among its inhabitants in 2011. With declining oil reserves and a rapidly growing labor force, the question is whether the Persian Gulf state will be able to keep its number of millionaire families growing. The monarch of Oman, Qaboos bin Said al Said, and his family are believed to be the nation's richest individuals.

Data from: Boston Consulting Group and Bloomberg Billionaires