Sanders opens 12-point lead nationally: poll

Sen. Bernie SandersBernie SandersTop Democratic super PACs team up to boost Biden Poll: Biden leads Sanders by 22 points GE employees urge company to use laid-off workers to make ventilators MORE (I-Vt.) has opened a 12-point lead nationally in the Democratic presidential primary race, according to a new poll. 

Sanders has 31 percent support in the NPR–PBS NewsHour–Marist poll released early Tuesday, pushing him into the top spot, which had been held by former Vice President Joe BidenJoe BidenCuomo grilled by brother about running for president: 'No. no' Top Democratic super PACs team up to boost Biden The Hill's Campaign Report: Trump, Biden spar over coronavirus response MORE

Sanders’s support shot up 9 points since last month’s poll, following his victory in the New Hampshire primary. 

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Biden’s support, however, decreased by 9 points, to 15 percent, in the new survey. Biden’s downturn pushed him into third place, behind former New York City Mayor Michael BloombergMichael BloombergFormer Bloomberg staffer seeks class-action lawsuit over layoffs Bloomberg spent over 0M on presidential campaign The Hill's Campaign Report: Officials in spotlight over coronavirus response MORE, who surged into second place with 19 percent. 

Bloomberg’s support increased by 15 points since last month’s poll. The billionaire, who is self-funding his campaign, also qualified for Wednesday night's debate with his performance in the survey. 

Sen. Elizabeth WarrenElizabeth WarrenDemocratic senators ask Pompeo to provide coronavirus aid to Palestinian territories Seth Meyers returning to late-night TV with 'hybrid episodes' Biden tops Trump by 9 points in Fox News poll MORE (D-Mass.) had a 5-point decrease to 12 percent support, based on the new poll. Sen. Amy KlobucharAmy KlobucharHillicon Valley: FCC chief proposes 0M telehealth program | Twitter takes down posts promoting anti-malaria drugs for coronavirus| Whole Foods workers plan Tuesday strike Trump says election proposals in coronavirus stimulus bill would hurt Republican chances Biden tops Trump by 9 points in Fox News poll MORE (D-Minn.) had a 5-point increase to 9 points following her third-place finish in the New Hampshire primary. 

Former South Bend, Ind., Mayor Pete ButtigiegPete ButtigiegReuters poll finds Sanders cutting Biden national lead to single digits Biden says he'll adopt plans from Sanders, Warren Buttigieg guest-hosts for Jimmy Kimmel: 'I've got nothing else going on' MORE, who appears to be leading the field in the delegate count, is closely trailing Klobuchar at 8 percent support, a 5-point decrease in one month. 

No other candidates registered at more than 2 percent support. 

The poll surveyed 527 Democrats and Democratic-leaning independents and was conducted Feb. 13–16. There is a margin of error of 5.4 percentage points.