Former Vice President Joe BidenJoe BidenUN meeting with US, France canceled over scheduling issue Schumer moves to break GOP blockade on Biden's State picks GOP Rep. Cawthorn likens vaccine mandates to 'modern-day segregation' MORE and Sen. Bernie SandersBernie SandersFranken targets senators from both parties in new comedy tour Pelosi says House members would not vote on spending bill top line higher than Senate's Groups push lawmakers to use defense bill to end support for Saudis in Yemen civil war MORE (I) are leading the Democratic primary field in a new NPR-PBSNewsHour-Marist poll, the latest indication that the progressive senator from Vermont is seeing a surge in support ahead of the Iowa caucuses.
Twenty-four percent of Democratic voters and Democratic-leaning independents said they supported Biden, while Sanders was close behind at 22 percent.
Together the two candidates amassed nearly half of the support from Democratic voters and Democratic-leaning independents.
Meanwhile, Sen. Elizabeth WarrenElizabeth WarrenBipartisan senators to hold hearing on 'toxic conservatorships' amid Britney Spears controversy Senate advances Biden consumer bureau pick after panel logjam White House faces increased cries from allies on Haitian migrants MORE (D-Mass.) garnered 17 percent support, followed by South Bend, Ind., Mayor Pete ButtigiegPete ButtigiegDOJ sues to block JetBlue-American Airlines partnership On The Money — Presented by Wells Fargo — Pelosi plows full speed ahead on jam-packed agenda Blumenthal calls on Buttigieg to investigate American Airlines-JetBlue partnership MORE (D), who came in at 13 percent support.
Tech entrepreneur Andrew YangAndrew YangAndrew Yang planning to launch third party: report Poll: 73 percent of Democratic voters would consider voting for Biden in the 2024 primary Kings launch voting rights effort honoring John Lewis MORE rounded out the top five candidates in the poll with 5 percent support.
The poll's margin of error among the voter groups is plus or minus 5.4 percentage points.
The same survey showed Sanders leading Biden with voters of color, a voting bloc that Biden has carried throughout the 2020 primary campaign.
Twenty-nine percent of nonwhite voters said they supported Sanders, while 26 percent threw their support behind the former vice president.
The survey is the latest sign of Sanders solidifying his second place position in the crowded primary, posing a clear threat to longtime front-runner Biden.
A Change Research-Post and Courier poll out of South Carolina on Friday showed Biden at 27 percent support among South Carolina voters with Sanders close on his heels at 20 percent, marking the first time in this primary Biden has not held a double-digit lead in the state.
The polls come less than two months away from the first Democratic nominating contests in Iowa and New Hampshire, which will provide successful candidates with momentum going into Nevada, South Carolina, and the Super Tuesday states.
Seven of the candidates, including Biden and Sanders, are set to face off in Los Angeles on Thursday for the final primary debate of the year.
The NPR-PBSNewsHour-Marist poll was conducted Dec. 9–11 among 1,744 adults with a margin of error of plus or minus 3.5 percentage points. Seven hundred and four Democratic voters and Democratic-leaning independents were polled during the same period with a margin of error of plus or minus 5.4 percentage points.