Join Date: Apr 2013
Location: Lehigh Valley, Pennsylvania
Programs: Milege+, SkyMiles, AAdvantage, HHonors Diamond, Marriott Gold
Posts: 1,748
Just a theory
The folks noting more than 4 credit cards have a mix of personal and business cards. Perhaps that has something to do with their overall number of cards. Also consider some couples may have cards that their spouse does not?