Elizabeth Warren of MA at 19% and Sen. South Bend, Indiana Mayor Pete Buttigieg and California Sen.
Biden help has grown with reasonable and conservative Democrats, rising to 43 % from 29 % in September's ballot, and from racial and ethnic minorities, leaping to 42 % from 28 % in September.
The former vice president's advantages on the issues come as he emphasizes an approach that appears to align with the preferences of most potential Democratic voters.
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"Earlier this month, Biden had said that President Trump won't destroy me or my family over the latter's call for an investigation against the former Vice President and his son".
On the economic system, Biden will get 38 % to Warren's 16 % and Sanders' 19 %.
Nineteen per cent said the same of Sanders, followed by 17 per cent who said the same of Biden.
Fifty-six per cent of Democratic voters say Biden is the best choice to manage foreign affairs, far ahead of Sanders at 13 per cent and Warren at 11 per cent. Cory Booker of New Jersey, with the rest at 1% or less.
"Having a more even age distribution of supporters could put Warren in a strong position, but, in order to capitalize on this strategy, either Biden or Sanders would need to lose their hold on their older and younger bases", according to Emerson Polling Research Assistant Isabel Holloway. Elizabeth Warren was treated as the frontrunner in the last Democratic debate, she still technically isn't, at least according to the polls.
The poll was conducted after the fourth round Democratic primary debate in OH last week, with a margin of error of 4.4 percentage points.