Donald Trump Donald John TrumpHR McMaster says president's policy to withdraw troops from Afghanistan is 'unwise' Cast of 'Parks and Rec' reunite for virtual town hall to address Wisconsin voters Biden says Trump should step down over coronavirus response MORE has a 30-point lead nationally over the rest of the GOP field, according to a new Reuters-Ipsos tracking poll released Friday.

The Republican front-runner takes 41 percent of the vote with Sen. Ted Cruz Rafael (Ted) Edward CruzLoeffler calls for hearing in wake of Netflix's 'Cuties' Health care in the crosshairs with new Trump Supreme Court list 'Parks and Rec' cast members hosting special reunion to raise money for Wisconsin Democrats MORE (R-Texas), his closest competitor at 11 percent.

Following Cruz, retired neurosurgeon Ben Carson has 10 percent and former Florida Gov. Jeb Bush is at 9 percent.

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Trump is leading the polls nationally. But in the early voting state of Iowa, some polls have shown Cruz within striking distance with the caucuses less than 10 days away.

According to a Monmouth University poll released Wednesday, Trump holds a more than 2-to-1 advantage nationally. He takes 36 percent of the votes in that poll, with Cruz in second place with 17 percent support.

In the RealClearPolitics average of national polls, Trump has 34.8 percent of the vote, compared to Cruz who has 18.8 percent.