US - 2016 Democratic Presidential Primary: Hillary Clinton 52% - Bernie Sanders 32% - Martin O'Malley 2% - (CBS News/NYT 12/10/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +20

SC - 2016 Democratic Presidential Primary: Hillary Clinton 65% - Bernie Sanders 21% - Martin O'Malley 3% - (FOX News 12/09/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +44

NH - 2016 Democratic Presidential Primary: Bernie Sanders 50% - Hillary Clinton 40% - Martin O'Malley 1% - (CNN/WMUR 12/09/2015) chart & more info

Hillary Clinton
Bernie Sanders
  • Sanders +10

US - 2016 Democratic Presidential Primary: Hillary Clinton 56% - Bernie Sanders 29% - Martin O'Malley 4% - (Suffolk Univ/USA Today 12/08/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +27

IA - 2016 Democratic Presidential Primary: Hillary Clinton 55% - Bernie Sanders 33% - Martin O'Malley 6% - (Monmouth Univ. 12/08/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +22

IA - 2016 Democratic Presidential Primary: Hillary Clinton 54% - Bernie Sanders 36% - Martin O'Malley 4% - (CNN/ORC 12/07/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +18

US - 2016 Democratic Presidential Primary: Hillary Clinton 51% - Bernie Sanders 33% - Martin O'Malley 1% - (IBD/TIPP 12/07/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +18

US - 2016 Democratic Presidential Primary: Hillary Clinton 58% - Bernie Sanders 30% - Martin O'Malley 2% - (CNN/ORC 12/04/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +28

NH - 2016 Democratic Presidential Primary: Hillary Clinton 44% - Bernie Sanders 42% - Martin O'Malley 8% - (PPP 12/03/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +2

US - 2016 Democratic Presidential Primary: Hillary Clinton 60% - Bernie Sanders 30% - Martin O'Malley 2% - (Quinnipiac 12/02/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +30

IA - 2016 Democratic Presidential Primary: Hillary Clinton 50% - Bernie Sanders 28% - Martin O'Malley 3% - (Iowa State Univ./WHO-HD 11/30/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +22

IA - 2016 Democratic Presidential Primary: Hillary Clinton 51% - Bernie Sanders 42% - Martin O'Malley 4% - (Quinnipiac 11/25/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +9

MA - 2016 Democratic Presidential Primary: Hillary Clinton 54% - Bernie Sanders 29% - Martin O'Malley 3% - (Suffolk Univ/Boston Globe 11/24/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +25

US - 2016 Democratic Presidential Primary: Hillary Clinton 55% - Bernie Sanders 32% - Martin O'Malley 3% - (FOX News 11/22/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +23

US - 2016 Democratic Presidential Primary: Hillary Clinton 60% - Bernie Sanders 34% - Martin O'Malley 3% - (ABC News/Wash Post 11/22/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +26

WI - 2016 Democratic Presidential Primary: Hillary Clinton 50% - Bernie Sanders 41% - Martin O'Malley 2% - (Marquette Univ. 11/21/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +9

OK - 2016 Democratic Presidential Primary: Hillary Clinton 47% - Bernie Sanders 12% - Martin O'Malley 2% - (Sooner Poll/News 9/News on 6 11/20/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +35

US - 2016 Democratic Presidential Primary: Hillary Clinton 55% - Bernie Sanders 30% - Martin O'Malley 3% - (Bloomberg 11/20/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +25

AZ - 2016 Democratic Presidential Primary: Hillary Clinton 47% - Bernie Sanders 19% - Martin O'Malley 2% - (Behavior Research Center 11/19/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +28

NH - 2016 Democratic Presidential Primary: Bernie Sanders 45% - Hillary Clinton 44% - Martin O'Malley 5% - (FOX News 11/18/2015) chart & more info

Hillary Clinton
Bernie Sanders
  • Sanders +1