U.S. Economy Being Powered by the Richest 10% of Americans – Never mind the, like, morals?…doesn’t seem very anti-fragile. “Those consumers now account for 49.7% of all spending, a record in data going back to 1989, according to an analysis by Moody’s Analytics. Three decades ago, they accounted for about 36%.” One estimate: “spending by the top 10% alone accounted for almost one-third of gross domestic product.”