US - 2016 Democratic Presidential Primary: Hillary Clinton 52% - Bernie Sanders 16% - Joe Biden 12% - (Monmouth Univ. 08/04/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +36

US - 2016 Democratic Presidential Primary: Hillary Clinton 58% - Bernie Sanders 17% - Joe Biden 11% - (CBS News 08/04/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +41

US - 2016 GOP Presidential Primary: Donald Trump 26% - Jeb Bush 15% - Scott Walker 9% - (FOX News 08/03/2015) chart & more info

Jeb Bush
Donald Trump
  • Trump +11

US - 2016 GOP Presidential Primary: Donald Trump 26% - Scott Walker 11% - Jeb Bush 12% - (Monmouth Univ. 08/03/2015) chart & more info

Scott Walker
Donald Trump
  • Trump +15

US - 2016 Democratic Presidential Primary: Hillary Clinton 59% - Bernie Sanders 25% - Martin O'Malley 3% - (NBC/WSJ 08/03/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +34

US - 2016 Democratic Presidential Primary: Hillary Clinton 51% - Bernie Sanders 22% - Martin O'Malley 1% - (FOX News 08/03/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +29

US - 2016 GOP Presidential Primary: Donald Trump 19% - Scott Walker 15% - Jeb Bush 14% - (NBC/WSJ 08/02/2015) chart & more info

Scott Walker
Donald Trump
  • Trump +4

US - 2016 GOP Presidential Primary: Donald Trump 26% - Scott Walker 14% - Jeb Bush 10% - (Rasmussen 07/31/2015) chart & more info

Scott Walker
Donald Trump
  • Trump +12

US - 2016 Presidential Election: Hillary Clinton 49% - Jeb Bush 43% - (McClatchy/Marist 07/31/2015) chart & more info

Jeb Bush
Hillary Clinton
  • Clinton +6

US - 2016 Presidential Election: Hillary Clinton 47% - Marco Rubio 42% - (McClatchy/Marist 07/31/2015) chart & more info

Marco Rubio
Hillary Clinton
  • Clinton +5

US - 2016 Presidential Election: Hillary Clinton 50% - Mike Huckabee 41% - (McClatchy/Marist 07/31/2015) chart & more info

Mike Huckabee
Hillary Clinton
  • Clinton +9

US - 2016 Presidential Election: Hillary Clinton 50% - Chris Christie 40% - (McClatchy/Marist 07/31/2015) chart & more info

Chris Christie
Hillary Clinton
  • Clinton +10

US - 2016 Presidential Election: Hillary Clinton 49% - John Kasich 39% - (McClatchy/Marist 07/31/2015) chart & more info

John Kasich
Hillary Clinton
  • Clinton +10

US - 2016 Presidential Election: Hillary Clinton 47% - Rick Perry 40% - (McClatchy/Marist 07/31/2015) chart & more info

Rick Perry
Hillary Clinton
  • Clinton +7

US - 2016 Presidential Election: Hillary Clinton 54% - Donald Trump 38% - (McClatchy/Marist 07/31/2015) chart & more info

Donald Trump
Hillary Clinton
  • Clinton +16