Story highlights Donald Trump is at 41% support of Republican voters in a Monmouth University poll out Monday

In second was the rising Texas Sen. Ted Cruz, at 14%; followed by Republican Sen. Marco Rubio, at 10%.

Washington (CNN) Donald Trump has hit a new milestone in national polling, garnering 41% of the Republican vote in a new national poll.

Trump is at 41% in a Monmouth University poll out Monday, holding a wide advantage over his GOP challengers. His support was up from 28% in October.

In second was the rising Texas Sen. Ted Cruz , at 14%; followed by Republican Sen. Marco Rubio , at 10%. Ben Carson was at 9%, down 9 points from October, and all other candidates were in the low single digits.

Cruz and Rubio both were up 4 points since October's poll, a shift within the poll's margin of sampling error.

The candidates are heading into their next Republican debate on Tuesday in Las Vegas, hosted by CNN.

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