Outstanding credit card receivables tied to consumer and commercial products issued in the U.S. for use on the Visa, Mastercard, American Express, and Discover networks grew 4.6% to $1.018 trillion at the end of 2019. The last year the U.S. industry saw double-digit growth in credit card outstandings was 2000. In 3 of the intervening 19 years, outstandings declined. Visa, Mastercard, American Express, and Discover credit card debt as a percentage of credit card purchase volume on cards carrying those brands, fell to an all-time low of 25.6% at the end of 2019. Over the last 10 years, debt o...