A majority of voters would choose to vote for Democratic candidates in the 2018 midterm elections, according to CNN survey data released Wednesday.

In the poll:

56 percent of those who responded said they were most likely to vote Democrat.

38 percent said they were most likely to vote Republican.

When the same question was asked in November 2013, during Barack Obama's administration, 49 percent of voters said they would choose a Republican while 47 percent said they would vote Democrat in the next midterm election.

Democrats are more enthusiastic about the upcoming midterm elections, the poll report said.

49 percent of Democratic voters in the poll said they were extremely or very enthusiastic about voting for Congress in the midterms.

32 percent of Republicans said they were extremely or very enthusiastic.

In other poll results, Democrats are viewed more favorably than Republicans, according to the poll.

46 percent said they viewed Democrats favorably.

34 percent said they viewed Republicans favorably.

Other polls appear to show rising support for Democrats. Democrats were ahead of Republicans by 15 points on a generic ballot in a Fox News poll in October.

The poll surveyed 1,001 adults Dec. 14-17, with a margin of error of 3.8 points, according to the poll report.