US - 2016 Presidential Election: Jeb Bush 41% - Bernie Sanders 40% - (PPP 09/03/2015) chart & more info

Bernie Sanders
Jeb Bush
  • Bush +1

US - 2016 Presidential Election: Ben Carson 42% - Bernie Sanders 36% - (PPP 09/03/2015) chart & more info

Bernie Sanders
Ben Carson
  • Carson +6

US - 2016 Presidential Election: Bernie Sanders 39% - Carly Fiorina 38% - (PPP 09/03/2015) chart & more info

Carly Fiorina
Bernie Sanders
  • Sanders +1

US - 2016 Presidential Election: Bernie Sanders 40% - Scott Walker 39% - (PPP 09/03/2015) chart & more info

Scott Walker
Bernie Sanders
  • Sanders +1

US - 2016 Presidential Election: Donald Trump 43% - Bernie Sanders 42% - (PPP 09/03/2015) chart & more info

Bernie Sanders
Donald Trump
  • Trump +1

IA - 2016 Democratic Presidential Primary: Hillary Clinton 48% - Bernie Sanders 23% - Joe Biden 16% - (Loras College 09/02/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +25

US - 2016 Democratic Presidential Primary: Hillary Clinton 55% - Bernie Sanders 20% - Lincoln Chafee 1% - (PPP 09/01/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +35

IA - 2016 Democratic Presidential Primary: Hillary Clinton 37% - Bernie Sanders 30% - Joe Biden 14% - (Des Moines Register/Bloomberg 08/29/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +7

US - 2016 Presidential Election: Bernie Sanders 44% - Donald Trump 41% - (Quinnipiac 08/27/2015) chart & more info

Donald Trump
Bernie Sanders
  • Sanders +3

US - 2016 Presidential Election: Marco Rubio 41% - Bernie Sanders 40% - (Quinnipiac 08/27/2015) chart & more info

Bernie Sanders
Marco Rubio
  • Rubio +1

US - 2016 Presidential Election: Bernie Sanders 43% - Jeb Bush 39% - (Quinnipiac 08/27/2015) chart & more info

Jeb Bush
Bernie Sanders
  • Sanders +4

US - 2016 Democratic Presidential Primary: Hillary Clinton 45% - Bernie Sanders 22% - Joe Biden 18% - (Quinnipiac 08/27/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +23

US - 2016 Democratic Presidential Primary: Hillary Clinton 50% - Bernie Sanders 24% - Lincoln Chafee 2% - (Rasmussen 08/26/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +26

NH - 2016 Democratic Presidential Primary: Bernie Sanders 42% - Hillary Clinton 35% - Lincoln Chafee 2% - (PPP 08/25/2015) chart & more info

Hillary Clinton
Bernie Sanders
  • Sanders +7

IA - 2016 Democratic Presidential Primary: Hillary Clinton 54% - Bernie Sanders 20% - Joe Biden 11% - (Suffolk Univ. 08/25/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +34