Sen. Bernie Sanders Bernie SandersMcConnell accuses Democrats of sowing division by 'downplaying progress' on election security The Hill's Campaign Report: Arizona shifts towards Biden | Biden prepares for drive-in town hall | New Biden ad targets Latino voters Why Democrats must confront extreme left wing incitement to violence MORE (I-Vt.) and former South Bend, Ind., Mayor Pete Buttigieg Pete ButtigiegBogeymen of the far left deserve a place in any Biden administration Overnight Defense: Woodward book causes new firestorm | Book says Trump lashed out at generals, told Woodward about secret weapons system | US withdrawing thousands of troops from Iraq A socially and environmentally just way to fight climate change MORE are boosting their support in New Hampshire ahead of the Granite State’s primary Tuesday, according to a new CNN poll released Saturday.

Sanders leads the primary field with 28 percent support from likely Democratic primary voters, followed by Buttigieg with 21 percent. The results represented a 3-point and 6-point boosts from the same poll in January, respectively.

Former Vice President Joe Biden Joe BidenCast of 'Parks and Rec' reunite for virtual town hall to address Wisconsin voters Biden says Trump should step down over coronavirus response Biden tells CNN town hall that he has benefited from white privilege MORE came in third with 11 percent, a 5-point dip from last month, while Sen. Elizabeth Warren Elizabeth WarrenWarren, Schumer introduce plan for next president to cancel ,000 in student debt The Hill's 12:30 Report - Presented by Facebook - Don't expect a government check anytime soon No new taxes for the ultra rich — fix bad tax policy instead MORE (D-Mass.) dropped to 9 percent.

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Sanders helped cement his frontrunner status by boosting his support by 8 points among voters under the age of 45 and 10 points among self-identified liberals. His rise has come largely at Warren’s expense – the Massachusetts lawmaker’s support among liberals dropped 6 points since January.

Buttigieg’s surge also seemed to come from support he stole from Biden. The Indiana Democrat rose 8 points among voters age 45 and older and 6 points among moderate and conservative voters. Biden dropped 9 and 5 points among those same demographics, respectively.

Buttigieg also has a slim lead over Sanders among voters who are only leaning toward a candidate or are undecided by a 21-19 margin.

A majority of likely primary voters, 56 percent, said they anticipate Sanders will win the primary. The Vermont lawmaker trounced former secretary of State Hillary Clinton Hillary Diane Rodham ClintonHillicon Valley: FBI chief says Russia is trying to interfere in election to undermine Biden | Treasury Dept. sanctions Iranian government-backed hackers The Hill's Campaign Report: Arizona shifts towards Biden | Biden prepares for drive-in town hall | New Biden ad targets Latino voters FBI chief says Russia is trying to interfere in election to undermine Biden MORE in the state’s primary in 2016 and is largely viewed to hold an advantage hailing from a neighbor state.

The poll comes after Buttigieg and Sanders finished neck-and-neck at the top of Iowa’s caucuses, with the former South Bend mayor putting up a much stronger showing than many anticipated.

The CNN poll, which was conducted by the University of New Hampshire Survey Center, surveyed 365 likely Democratic primary voters from Feb. 4-7 and has a margin of error of 5.1 percent.