Outstanding receivables tied to American Express, Diners Club, Discover, JCB, Mastercard, UnionPay, Visa, and domestic general purpose credit cards for the 150 largest issuers as of year-end 2017 are listed on page 11. Issuers from the U.S. held a 40% market share among the top 150 portfolios worldwide. Issuers from China followed with a market share of 34%. When measuring the top 150 by region, Asia-Pacific had outstandings of $923.88 billion. The U.S. ranked second with $849.37 billion, followed by Europe ($152.74 billion), Latin America ($98.34 billion), Canada ($77.44 billion), and Middle ...