Democratic presidential candidate Bernie SandersBernie SandersOvernight Health Care — Presented by National Taxpayers Union — House Dems change drug pricing bill to address progressive concerns | Top Republican rejects Dem proposal on surprise medical bills | Vaping group launches Fox News ad blitz Democrats have reason to worry after the last presidential debate Krystal Ball on Sanders debate performance: 'He absolutely hit it out of the park' MORE said in an interview Sunday that his tax returns won't generate front-page headlines.

"Yes, we will get them out. There will be nothing there that will shock you," the Vermont senator said on ABC's "This Week" in response to a question about whether he plans to release his returns.

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"Sorry to have to tell you, it will not be a front, big story."

Sanders said his tax returns will be "fairly boring." He added that his wife does their taxes, but she has been busy "doing a great job on the campaign."

He said presidential rival Hilary Clinton's campaign is raising the issue that he has not yet released his returns.