Millennials will be graduating from college with thousands of dollars in student debt, but still must start saving right away, says Karen Wimbish, director of retail retirement at Wells Fargo.

“Whether you have a lot of debt or not, you have to keep plugging… looking toward your goals and trying to make sure you’re achieving them.”

In a recent survey of millennials—defined as those born between 1980 and 2000 — Wells Fargo found that 49% were confident in their abilities to earn and save money for their financial futures. But more than half (52%) said they’re “not very confident” or “not at all confident” in the stock market itself as a place to invest for retirement.

Related: Yes, Despite the Student Loan 'Crisis,' College IS Worth It

Wimbish attributes the skepticism to millennials living through the dot.com crisis when they were young, followed by the 2008-2009 financial crisis and housing downturn. “They’ve seen families lose homes so understandably they’re skeptical about

As college students across the country graduate from universities or get ready to, student loan bills will await many of
them.

Related: Yes, Despite the Student Loan ‘Crisis,’ College IS Worth It

For the millennials that have already passed this milestone, paying off student loan debt is the top concern. Number one. That’s according to a Wells Fargo Retirement survey of 1,414 millennials between 22 and 32.

And it's top of mind for good reason, it seems. More than half of them, 64%, say they financed school through student loans. For comparison to past generations, that’s double the amount of baby boomers who financed through loans.

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In general, debt is the biggest financial concern for more than half of them at 54%, according to the findings.

And while nearly two-thirds see themselves as “savers,” 49% say they’re saving for retirement while 51% say they have not begun to save because they