Four Democratic presidential candidates have emerged in a four-way race for the New Hampshire vote, according to a new poll.

Sen. Bernie Sanders Bernie SandersSirota reacts to report of harassment, doxing by Harris supporters Republicans not immune to the malady that hobbled Democrats The Hill's Morning Report - Sponsored by Facebook - Republicans lawmakers rebuke Trump on election MORE (I-Vt.) has a slim lead in the state he carried in 2016, with 16 percent support, according to a Suffolk University–Boston Globe poll released Tuesday.

He’s closely trailed by Sen. Elizabeth Warren Elizabeth WarrenOvernight Defense: Appeals court revives House lawsuit against military funding for border wall | Dems push for limits on transferring military gear to police | Lawmakers ask for IG probe into Pentagon's use of COVID-19 funds On The Money: Half of states deplete funds for Trump's 0 unemployment expansion | EU appealing ruling in Apple tax case | House Democrats include more aid for airlines in coronavirus package Warren, Khanna request IG investigation into Pentagon's use of coronavirus funds MORE (D-Mass.), with 14 percent, South Bend, Ind., Mayor Pete Buttigieg Pete ButtigiegBillionaire who donated to Trump in 2016 donates to Biden The Hill's Morning Report - Sponsored by Facebook - GOP closes ranks to fill SCOTUS vacancy by November Buttigieg stands in as Pence for Harris's debate practice MORE (D), at 13 percent, and former Vice President Joe Biden Joe BidenFormer Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick Bloomberg rolls out M ad buy to boost Biden in Florida MORE, at 12 percent, who all fall within the 4.4 percentage point margin of error.

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Buttigieg is the only candidate in the top four who has gained support since an August poll from Suffolk University–Boston Globe, up 7 points. Biden saw the biggest drop, at 9 points, and Sanders’s support decreased by 1 point. Warren’s support did not change in those three months, based on the poll.

Older voters, who have been more reluctant to embrace the progressive policies proposed from Sanders and Warren, shifted their support from Biden to Buttigieg, based on the poll. Among voters over 65 years old, Biden’s support dropped from 28 percent to 12 percent, whereas Buttigieg’s support with the same cohort increased to 17 percent from 2 percent. Buttigieg now leads the field among older voters in the Granite State, based on the poll.

The poll also found that New Hampshire voters are reluctant to consider former Massachusetts Gov. Deval Patrick Deval PatrickRalph Gants, chief justice of Massachusetts supreme court, dies at 65 It's as if a Trump operative infiltrated the Democratic primary process Top Democratic super PACs team up to boost Biden MORE, a latecomer to the Democratic race. Only 1 percent said they would vote for him in the primary, and 50 percent said they won’t consider him because he waited too long to enter the race.

The poll did not ask about former New York City Mayor Michael Bloomberg Michael BloombergBloomberg rolls out M ad buy to boost Biden in Florida Democratic groups using Bloomberg money to launch M in Spanish language ads in Florida Bloomberg pays fines for 32,000 felons in Florida so they can vote MORE, who announced his candidacy on Nov. 24. Bloomberg has said he will skip New Hampshire's February primary.

The poll surveyed 500 likely New Hampshire Democratic primary voters. It was conducted Nov. 21 to Nov. 24.