The Republican Party is enjoying a favorability rating of 45 percent — its highest since 2011 — that could give Republicans hope for the upcoming midterm elections, according to a Gallup poll published Monday.

The survey also showed the Democratic Party’s favorability rating at 44 percent with a 4 percent margin of error.

The Republican rating represents a 9-point increase from 36 percent in September 2017. The last time the Republican Party enjoyed a rating this high, it had just gained back control of the House of Representatives in the 2010 midterm elections. The party’s favorability level soared to 47 percent in 2011.

Gallup attributed the Republicans’ rating to the growing economy and the middle-class-friendly tax reforms passed in December. The Republican Party had barely broken 40 percent favorability since 2013, according to Gallup.

Republicans have an 85 percent favorability rating when only taking “Republicans and leaners” like independents into account, according to Gallup. That is compared to 67 percent in September 2017.

There has been essentially no change in Democrats’ views on the Republican Party and their own party, according to Gallup. (RELATED: Republicans Consider Using Female Staffers To Question Kavanaugh Accuser, Her Attorneys Push Back)

Democrats typically have “the upper hand” in favorability numbers, according to Gallup. The Gallup poll was conducted on Sept. 4 to 12 among 1,035 U.S. adults.

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