When talking about economic “bubbles” one that is hardly ever mentioned is student loan debt. CreditCards.com had this about the amount of debt:

Debt affects people of all ages, but an explosion of student debt is weighing down this generation of young adults like no other before. According to data from the Federal Reserve, U.S. student loan debt soared from $550 billion in 2007 to nearly $1 trillion by 2013.

An April 2014 Wells Fargo survey reported that 29 percent of millennials (people between 22 and 33 years old) are worried about paying off their student loans, and data from FICO show that the burden of student-loan debts is contributing to a downturn in the number of millennials carrying credit cards.

You can read the rest of the article here.