New data from a study of “ultra-high-net-worth individuals,” who are wealthier than the top 0.1 percent, show that their swelling ranks are increasingly storing wealth in multimillion-dollar mansions around the world, and that in 2014, they liked nowhere better than the United States, the Wall Street Journal reports. New York and Aspen were first and second on a list of the 100 global locations featured in Knight Frank’s Prime International Residential Index; Los Angeles was No. 10.