The chart above reflects the results of a new NBC News / Wall Street Journal Poll -- done between March 11th and 13th of a national sample of 900 registered voters, with a 3.27 point margin of error.
It shows Joe Biden currently enjoys a 9 point lead over Donald Trump (52% to 43%), and Bernie Sanders has a 4 point lead (49% to 45%).
The poll also questioned 438 Democratic primary voters, with a 4.68 point margin of error. It shows Biden with a 29 point lead over Sanders (see chart below).
