Biden opens up double-digit lead over Sanders in early primary states: poll

Former Vice President Joe BidenJoe BidenEric Holder: Democrats 'have to understand' that 'borders mean something' Young insurgents aren't rushing to Kennedy's side in Markey fight Biden says he'll release medical records before primaries MORE leads Sen. Bernie SandersBernie SandersYoung insurgents aren't rushing to Kennedy's side in Markey fight Biden's debate performance renews questions of health Saagar Enjeti rips Harris's 'empty promises' MORE (I-Vt.) by 11 points in a new poll of early primary and caucus states ahead of the 2020 presidential race.

Biden leads the announced Democratic primary field with 38 percent, according to the Morning Consult survey, followed by Sanders at 27 percent. Sen. Kamala HarrisKamala Devi HarrisHarris keeps up 'little dude' attack on Trump after debate The crosshairs of extremism  On The Money: Democratic candidates lay into Trump on trade | China exempts US soybeans, pork from tariff hikes | Congress set to ignore Trump's wall request in stopgap measure MORE (D-Calif.) is the choice of 8 percent of voters, and former Rep. Beto O’Rourke (D-Texas) and Sen. Elizabeth WarrenElizabeth Ann WarrenYoung insurgents aren't rushing to Kennedy's side in Markey fight Biden's debate performance renews questions of health On The Money: Democratic candidates lay into Trump on trade | China exempts US soybeans, pork from tariff hikes | Congress set to ignore Trump's wall request in stopgap measure MORE (D-Mass.) tied for fourth place, with 7 percent each.

The gap between Biden, who has yet to enter the race, and Sanders narrows slightly among primary voters nationwide, pollsters found.

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Biden has 35 percent support, followed by Sanders at 25 percent. Harris and O’Rourke (D-Texas) are tied in third place nationwide, with 8 percent each, with Warren rounding out the top five, with 7 percent.

Sen. Cory BookerCory Anthony BookerCastro attack shines spotlight on Biden's age CNN, NY Times to host next Democratic debate in October Poll: College students say Warren won third Democratic debate MORE (D-N.J.) was favored by 4 percent of voters, while Sen. Amy KlobucharAmy Jean KlobucharOn The Money: Democratic candidates lay into Trump on trade | China exempts US soybeans, pork from tariff hikes | Congress set to ignore Trump's wall request in stopgap measure Overnight Energy: Harris goes after DOJ antitrust probe of automakers over emissions | Trump on energy-efficient light bulbs: 'I always look orange' | Climate change only briefly discussed in third presidential debate CNN, NY Times to host next Democratic debate in October MORE (D-Minn.) and South Bend, Ind., Mayor Pete ButtigiegPeter (Pete) Paul ButtigiegOn The Money: Democratic candidates lay into Trump on trade | China exempts US soybeans, pork from tariff hikes | Congress set to ignore Trump's wall request in stopgap measure Saagar Enjeti rips Harris's 'empty promises' Overnight Defense: Afghanistan tops foreign policy issues at Dem debate | Erdogan says he'll discuss missile sale with Trump | US again challenges Beijing's claim to South China Sea MORE (D) both came in at 2 percent. Sen. Kirsten GillibrandKirsten GillibrandAt debate, Warren and Buttigieg tap idealism of Obama, FDR Trump court pick sparks frustration for refusing to answer questions Klobuchar, Buttigieg find themselves accidentally flying to debate together MORE (D-N.Y.) polled at 1 percent. 

The survey also found Sanders was the most popular second choice among Biden supporters, and vice versa. Thirty-three percent of Biden supporters listed Sanders as their second choice, while 35 percent of Sanders supporters named Biden.

The poll of 13,725 registered voters nationwide, conducted March 18–24, has a margin of error of 1 percentage point. The margin of error rises to 4 percentage points among voters living in Iowa, New Hampshire, South Carolina and Nevada.

-- Updated at 11:59 a.m.