The most recent Survey of Consumer Payment Choice estimates that there are 178M card holders. The 2009 Survey of Consumer Finances (2) estimates that percentage

The most recent Survey of Consumer Payment Choice estimates that there are 178M card holders. The 2009 Survey of Consumer Finances (2) estimates that percentage of card holders of "bank-type" (eg: not Macy's) cards that revolve balances is just under 50%. With store cards, this number is right around 100M. (1) http://www.bos.frb.org/economic/ppdp/2009/ppdp0910.htm http://www.bos.frb.org/economic/ppdp/2009/ppdp0910.htm (2) www.federalreserve.gov/pubs/bulletin/2009/pdf/scf09.pdf