42 million people, or one in six American adults, currently carry a federal student loan. The nation's overall student debt reached $1.6 trillion in June 2019. What's the cause of this large number?

42 million people, or one in six American adults, currently carry a federal student loan. The nation's overall student debt reached $1.6 trillion in June 2019. What's the cause of this large number? @USAFacts has the answer. https://t.co/8yX7tLTHpJ

— U.S. News (@usnews) November 9, 2019