US credit card debt was $870 million as of December 2018 according to data from the Federal Reserve, an increase of $26 billion from the previous quarter; this was due partially to seasonality but it is also the first time credit card debt re-touched the 2008 nominal peak; credit cards are the fourth largest segment of consumer debt after mortgage, student and auto debt, but credit card debt is rising faster than other segments; Bloomberg shares further data on the current state of credit card debt including delinquencies, available credit, debt by age group and much more. Source