62% of respondents to Greenfield Online survey indicated they could live without their credit cards, as long as they could retain their debit card. 27% of respondents either don’t have a credit at all or only possess a debit card. 22% indicated they have two credit cards. 14% of respondents indicated they have 5 or more credit cards. In addition, 18% of those who own five or more credit cards earn less than $25,000 per year.