A new poll finds Sen. Bernie Sanders Bernie SandersNYT editorial board remembers Ginsburg: She 'will forever have two legacies' Two GOP governors urge Republicans to hold off on Supreme Court nominee Sanders knocks McConnell: He's going against Ginsburg's 'dying wishes' MORE (I-Vt.) leading the field of Democratic contenders in California, where about 40 percent of all the convention delegates will be allocated on Super Tuesday.

The latest survey from the Los Angeles Times and University of California, Berkeley finds Sanders at 26 percent support, followed by Sen. Elizabeth Warren Elizabeth WarrenBiden's fiscal program: What is the likely market impact? Warren, 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 MORE (D-Mass.) at 20 percent, former Vice President Joe Biden Joe BidenMomentum growing among Republicans for Supreme Court vote before Election Day Trump expects to nominate woman to replace Ginsburg next week Video of Lindsey Graham arguing against nominating a Supreme Court justice in an election year goes viral MORE at 15 percent, former South Bend, Ind., Mayor Pete Buttigieg Pete ButtigiegBipartisan praise pours in after Ginsburg's death Bogeymen 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 MORE at 7 percent and former New York City Mayor Michael Bloomberg Michael BloombergTop Democratic super PAC launches Florida ad blitz after Bloomberg donation The Hill's 12:30 Report - Presented by Facebook - Latest with the COVID-19 relief bill negotiations The Memo: 2020 is all about winning Florida MORE at 6 percent.

Candidates must hit 15 percent support statewide or in individual congressional districts to win delegates in the March 3 primary.

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Sanders is up 7 points over the same poll from September, while Warren has fallen by 9 points in that time.

The Vermont senator leads the field among the most liberal Democrats, who make up about one-third of the California electorate. He has a majority of support among voters under the age of 30 and leads Biden, the next closest contender, by 20 points among Latino voters.

The Sanders campaign announced Tuesday it would launch its first ads in Super Tuesday states, spending $2.5 million between California and Texas.

Biden leads among voters 65 and older at 22 percent support, followed by Warren at 16 percent and Sanders at 14 percent.

Warren outperforms the field among the most educated voters, with a 9-point lead over Sanders among those with post-graduate degrees.

The UC-Berkeley IGS poll of 2,895 likely Democratic primary voters was conducted Jan. 15–21 and has a 2.5 percentage point margin of error.