Early voting figures show promise for Democratic presidential nominee Hillary Clinton Hillary Diane Rodham ClintonJoe Biden looks to expand election battleground into Trump country Biden leads Trump by 12 points among Catholic voters: poll The Hill's Campaign Report: Biden goes on offense MORE in the swing state of North Carolina, while her Republican rival, Donald Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE, seems to have the advantage in battleground Iowa.

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In North Carolina, a must-win state for Trump, 53,000 voters have requested ballots and 2,939 have been returned, according to an analysis by The Associated Press. Democrats make up 40 percent of the ballots returned so far, compared to 33 percent for Republicans, according to the AP.

While Iowa doesn't start early voting until later this month, 68,000 voters have already requested absentee ballots, the news service reported. Democrats have requested 60 percent of those ballots so far, compared to 19 percent for Republicans.

But Iowa Democrats are requesting fewer ballots than they did when Obama ran in 2012. More than 40,000 Democrats have requested absentee ballots so far this year, compared to the 92,850 who did by this point in 2012, according to the AP.

Obama won Iowa in 2008 and 2012 based on a strong early vote.

The AP noted that officials in the swing state of Ohio reported Monday that more than 524,000 voters have submitted absentee ballot applications. That's up from 485,000 requests during a similar period in 2012.