Nationwide opinion polling for the Democratic Party 2008 presidential primaries

Main article: Opinion polling for the United States presidential election, 2008

For state-by state numbers, see Statewide opinion polling for the Democratic Party presidential primaries, 2008.

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This is a collection of scientific, public nationwide opinion polls that have been conducted relating to the 2008 Democratic presidential candidates.

Broad field

Poll Source	Date	Highlights
Gallup Daily Tracking Poll Sample Size: 1,279 Margin of Error: ± 3%	May 25 & 27–28, 2008	Barack Obama 52%, Hillary Clinton 42%, Other 2%, No Opinion 4%
Rasmussen Reports Daily Tracking Poll Sample Size: 900 Margin of Error: ± 4%	May 25–28, 2008	Barack Obama 47%, Hillary Clinton 44%
Pew Research Center Sample Size: 618 Margin of Error: ± 4.5%	May 21–25, 2008	Barack Obama 54%, Hillary Clinton 41%, No Opinion 5%
Newsweek Sample Size: 608 Margin of Error: ± 5%	May 21–22, 2008	Barack Obama 50%, Hillary Clinton 42%, Other/Undecided 8%
Reuters/Zogby	May 15–18, 2008	Barack Obama 59%, Hillary Clinton 33%, Other/No Opinion 8%
Quinnipiac University	May 8–12, 2008	Barack Obama 45%, Hillary Clinton 41%, No Opinion 14%
ABC News/Washington Post Sample Size: 620 Margin of Error: ± 4%	May 8–11, 2008	Barack Obama 53%, Hillary Clinton 41%, Neither 4%, No Opinion 2%
USA Today/Gallup Sample Size: 516	May 1–4, 2008	Hillary Clinton 51%, Barack Obama 44%, Other/No Opinion 5%
Ipsos Public Affairs Sample Size: 514 Margin of Error: ± 4.3%	April 30 – May 4, 2008	Hillary Clinton 47%, Barack Obama 40%, Other 1%, No Opinion 12%
CBS News/New York Times Sample Size: 283 Margin of Error: ± 5%	May 1–3, 2008	Barack Obama 50%, Hillary Clinton 38%, Undecided 9%
Diageo/Hotline Sample Size: 374 Margin of Error: ± 5.1%	April 30 – May 3, 2008	Barack Obama 48%, Hillary Clinton 37%, All 1%, None 4%, Undecided 8%
CNN/Opinion Research Sample Size: 441 Margin of Error: ± 4.5%	April 28–30, 2008	Barack Obama 46%, Hillary Clinton 45%, Undecided 9%
Fox News/Opinion Dynamics Sample Size: 400 Margin of Error: ± 5%	April 28–29, 2008	Hillary Clinton 44%, Barack Obama 41%, Other/None 8%, Undecided 7%
CBS News/New York Times Sample Size: 402 Margin of Error: ± 5%	April 25–29, 2008	Barack Obama 46%, Hillary Clinton 38%, Undecided 14%
NBC News/Wall Street Journal Margin of Error: ± 4.2%	April 25–28, 2008	Barack Obama 46%, Hillary Clinton 43%, Other 1%, None 3%, Not Sure 7%
Pew Research Center Sample Size: 651 Margin of Error: ± 4.5%	April 23–27, 2008	Barack Obama 47%, Hillary Clinton 45%, No Opinion 8%
Associated Press/Ipsos Sample Size: 457 Margin of Error: ± 4.6%	April 23–27, 2008	Barack Obama 46%, Hillary Clinton 43%, None 5%, No Opinion 6%
Newsweek Sample Size: 592 Margin of Error: ± 5%	April 24–25, 2008	Barack Obama 48%, Hillary Clinton 41%, Undecided/Other 11%
USA Today/Gallup Sample Size: 552 Margin of Error: ± 5%	April 18–20, 2008	Barack Obama 50%, Hillary Clinton 40%, Other 2%, No Opinion 8%
Newsweek Sample Size: 588 Margin of Error: ± 5%	April 16–17, 2008	Barack Obama 54%, Hillary Clinton 35%, Undecided/Other 11%
ABC News/Washington Post Sample Size: 643 Margin of Error: ± 4%	April 10–13, 2008	Barack Obama 51%, Hillary Clinton 41%, Other 1%, Neither 2%, No Opinion 5%
Reuters/Zogby Sample Size: 532 Margin of Error: ± 4.3%	April 10–12, 2008	Barack Obama 51%, Hillary Clinton 38%
Associated Press/Ipsos Sample Size: 489 Margin of Error: ± 4.4%	April 7–9, 2008	Barack Obama 46%, Hillary Clinton 43%, Other 3%, No Opinion 8%
CBS News/New York Times Sample Size: 469	March 28 – April 2, 2008	Barack Obama 46%, Hillary Clinton 43%, Other 3%, No Opinion 8%
Diageo/Hotline Sample: 342 Margin: ±5.3%	March 28–31, 2008	Barack Obama 50%, Hillary Clinton 38%, Other/All/None 6%, Undecided 6%
NBC News/Wall Street Journal Sample: 384	March 24–25, 2008	Barack Obama 45%, Hillary Clinton 45%, Other 1%, None 1%, Undecided 8%
Pew Research Center Sample Size: 618 Margin of Error: ± 3%	March 19–22, 2008	Barack Obama 49%, Hillary Clinton 39%, No Opinion 12%
Fox News/Opinion Dynamics Sample Size: 388 Margin of Error: ± 5%	March 18–19, 2008	Barack Obama 31%, Hillary Clinton 30%, Other 24%, No Opinion 14%
CBS News Sample Size: 1,067 Margin of Error: ± 3%	March 15–18, 2008	Barack Obama 39%, Hillary Clinton 37%, Other 10%, No Opinion 14%
USA Today/Gallup Sample Size: 530 Margin of Error: ± 5%	March 14–16, 2008	Barack Obama 49%, Hillary Clinton 42%, Mike Gravel 1%, Other 1%, No Opinion 8%
CNN/Opinion Research Sample Size: 463 Margin of Error: ± 4.5%	March 14–16, 2008	Barack Obama 52%, Hillary Clinton 45%
Reuters/Zogby Sample Size: 525 Margin of Error: ± 4.4%	March 13–14, 2008	Barack Obama 47%, Hillary Clinton 44%
NBC News/Wall Street Journal	March 7–10, 2008	Hillary Clinton 47%, Barack Obama 43%
ABC News/Washington Post Sample Size: 629 Margin of Error: ± 4%	February 28 – March 2, 2008	Barack Obama 50%, Hillary Clinton 43%, Other 7%
Los Angeles Times/Bloomberg	February 21–25, 2008	Barack Obama 48%, Hillary Clinton 42%, Other 5%, No Opinion 5%
Associated Press/Ipsos Sample Size: 473 Margin of Error: ± 4.6%	February 22–24, 2008	Barack Obama 46%, Hillary Clinton 43%, Other 5%, No Opinion 6%
USA Today/Gallup Sample Size: 1,009 Margin of Error: ± 3%	February 21–24, 2008	Barack Obama 51%, Hillary Clinton 39%
Pew Research Sample Size: 633	February 20–24, 2008	Barack Obama 49%, Hillary Clinton 40%, Other 2%, Undecided 9%
CBS News/New York Times Sample Size: 427 Margin of Error: ± 5%	February 20–24, 2008	Barack Obama 54%, Hillary Clinton 38%, Other 1%, Undecided 7%
Fox News Margin of Error: ± 3%	February 19–20, 2008	Hillary Clinton 44%, Barack Obama 44%, Other 2%, No Opinion 9%
Diageo/Hotline Sample Size: 361 Margin of Error: ± 5.1%	February 14–17, 2008	Hillary Clinton 45%, Barack Obama 43%, Mike Gravel 1%, Other 1%, No Opinion 9%
Reuters/Zogby Sample Size: 494 Margin of Error: ± 4.5%	February 13–16, 2008	Barack Obama 52%, Hillary Clinton 38%
Associated Press/Ipsos Sample Size: 520----Margin of Error: ± 4.3%	February 7–10, 2008	Hillary Clinton 46%, Barack Obama 41%
USA Today/Gallup Sample Size: 525 (includes cellphone users) Margin of Error: ± 5.0%	February 8–9, 2008	Barack Obama 47%, Hillary Clinton 44%, Mike Gravel 3%, Other 1%, No Opinion 6% ‡
Newsweek Sample Size: 602----Margin of Error: ± 3%>	February 6–7, 2008	Barack Obama 42%, Hillary Clinton 41%, Undecided 17% †
CNN/Opinion Research Corporation Poll Sample Size: 500----Margin of Error: ± 4.5%	February 1–3, 2008	Barack Obama 49%, Hillary Clinton 46% *
Gallup Daily Tracking Poll Sample Size: 1,239 (includes cellphone users) Margin of Error: ± 3.0%	February 1–3, 2008	Hillary Clinton 47%, Barack Obama 43%, Mike Gravel 2%, other 2%, no opinion 6% *
Rasmussen Reports Daily Tracking Poll Sample Size: 900----Margin of Error: ± 4%	January 31 – February 3, 2008	Hillary Clinton 46%, Barack Obama 40% *
CBS News/New York Times Sample Size: 491----Margin of Error: ± 3.0%	January 31 – February 2, 2008	Hillary Clinton 41%, Barack Obama 41%, undecided 14% *
Cook Political Report/RT Strategies Poll Sample Size: 376----Margin of Error: ± 3.1%	January 31 – February 2, 2008	Barack Obama 43%, Hillary Clinton 37%, other 3%, not sure 17% *
USA Today/Gallup Sample Size: 985 (includes cellphone users) Margin of Error: ± 4.0%	January 30 – February 2, 2008	Hillary Clinton 45%, Barack Obama 44% *
ABC/Washington Post Margin of Error: ± 3.0%	January 30 – February 1, 2008	Hillary Clinton 47%, Barack Obama 43%, John Edwards 2%, No opinion 5%
USA Today/Gallup Poll Margin of Error: ± 3.0%	January 25–27, 2008	Hillary Clinton 44%, Barack Obama 33%, John Edwards 14%, Other 2%, Undecided 8%
NBC News/Wall Street Journal Margin of Error: ± 3.1%	January 20–22, 2008	Hillary Clinton 47%, Barack Obama 32%, John Edwards 12%, Dennis Kucinich 3%, None 1%, Undecided 5%
Los Angeles Times/Bloomberg	January 18–22, 2008	Hillary Clinton 42%, Barack Obama 33%, John Edwards 11%, Dennis Kucinich 1%, Other 1%, Undecided 12%
Diageo/Hotline Poll PDF (55.8 KiB)	January 10–12, 2008	Hillary Clinton 38%, Barack Obama 35%, John Edwards 13%, Dennis Kucinich 2%, Mike Gravel 0%
CBS/NYT Poll	January 9–12, 2008	Hillary Clinton 42%, Barack Obama 27%, John Edwards 11%, Dennis Kucinich 4%, Undecided 13%
ABC/Washington Post	January 9–12, 2008	Hillary Clinton 42%, Barack Obama 37%, John Edwards 11%, Dennis Kucinich 2%, No opinion 3%
CNN/Opinion Research Corporation Poll	January 9–10, 2008	Hillary Clinton 49%, Barack Obama 36%, John Edwards 12%, Dennis Kucinich 1%, Mike Gravel 0%, No opinion 2%
USA Today/Gallup Poll	January 4–6, 2008	Hillary Clinton 33%, Barack Obama 33%, John Edwards 20%, Dennis Kucinich 3%, Bill Richardson 1%
Rasmussen Reports	January 3–6, 2008	Hillary Clinton 33%, Barack Obama 29%, John Edwards 20%, Other Response 18%
Rasmussen Reports Poll	December 17–20, 2007	Hillary Clinton 39%, Barack Obama 27%, John Edwards 17%, Bill Richardson 3%, Joe Biden 3%, Dennis Kucinich 3%
Reuters/Zogby/American Research Group	December 12–14, 2007	Hillary Clinton 40%, Barack Obama 32%, John Edwards 13%, Bill Richardson 3%, Joe Biden 3%, Chris Dodd 1%
Diageo/Hotline Poll	December 10–14, 2007	Hillary Clinton 35%, Barack Obama 30%, John Edwards 14%, Bill Richardson 2%, Joe Biden 2%
Rasmussen Reports Poll	December 9–12, 2007	Hillary Clinton 36%, Barack Obama 28%, John Edwards 13%
CNN/Opinion Research Corporation Poll	December 6–9, 2007	Hillary Clinton 40%, Barack Obama 30%, John Edwards 14%, Bill Richardson 4%, Joe Biden 4%, Dennis Kucinich 2%, Chris Dodd 2%, Mike Gravel 0%, No opinion 4%
Rasmussen Reports Poll	December 6–9, 2007	Hillary Clinton 38%, Barack Obama 27%, John Edwards 13%
Rasmussen Reports Poll	December 3–6, 2007	Hillary Clinton 33%, Barack Obama 26%, John Edwards 15%
Rasmussen Reports Poll	Nov 30 – Dec 3, 2007	Hillary Clinton 37%, Barack Obama 24%, John Edwards 15%
USA Today/Gallup Poll	Nov 30 – Dec 2, 2007	Hillary Clinton 39%, Barack Obama 24%, John Edwards 15%, Bill Richardson 4%, Joe Biden 4%
Rasmussen Reports Poll	Nov 16–19, 2007	Hillary Clinton 42%, Barack Obama 23%, John Edwards 13%
Reuters/Zogby/American Research Group Poll	Nov 14–17, 2007,	Hillary Clinton 38%, Barack Obama 27%, John Edwards 13%, Bill Richardson 3%, Joe Biden 2%, Dennis Kucinich 2%
CNN/Opinion Research Corporation Poll	Nov 2–4, 2007	Hillary Clinton 44%, Barack Obama 25%, John Edwards 14%, Bill Richardson 4%, Joe Biden 3%, Chris Dodd 2%, Dennis Kucinich 2%, Mike Gravel 1%
Newsweek	Oct 31 – Nov 1, 2007	Hillary Clinton 43%, Barack Obama 24%, John Edwards 12%, Dennis Kucinich 4%, Joe Biden 4%, Bill Richardson 3%, Chris Dodd 0%
Reuters/Zogby/American Research Group	Oct 24–27, 2007	Hillary Clinton 38%, Barack Obama 24%, John Edwards 12%, Bill Richardson 2%, Joe Biden 2%, Dennis Kucinich 2%, Chris Dodd <1%, Mike Gravel <1%, Someone else 2%, Not sure 18%
CBS News	Oct 26, 2007	Hillary Clinton 45%, Barack Obama 16%, John Edwards 7%
Rasmussen Reports Poll (with Gore)	Sep 28 – Oct 1, 2007	Hillary Clinton 37%, Al Gore 32%, Barack Obama 22%, John Edwards 13%
American Research Group Poll	Sep 27–30, 2007	Hillary Clinton 53%, Barack Obama 20%, John Edwards 13%, Bill Richardson 3%, Joe Biden 2%, Mike Gravel 2%, Dennis Kucinich 1%
AP-Ipsos	Sep 21–25, 2007	Hillary Clinton 40%, Barack Obama 26%, John Edwards 12%, Bill Richardson 4%
Rasmussen Reports	Sep 20–23, 2007	Hillary Clinton 40%, Barack Obama 28%, John Edwards 15%, Bill Richardson 3%
Reuters/Zogby	Sep 13–16, 2007	Hillary Clinton 35%, Barack Obama 21%, John Edwards 10%, Bill Richardson 3%, Joe Biden 3%
Cook Political Report/RT Strategies Poll (with Gore)	Sep 13–16, 2007	Hillary Clinton 34%, Barack Obama 22%, John Edwards 12%, Al Gore 10%, Bill Richardson 2%, Dennis Kucinich 2%, Joe Biden 1%, Chris Dodd 1%, Mike Gravel 0%, Other 2%, Not sure 12%
Cook Political Report/RT Strategies Poll (without Gore)	Sep 13–16, 2007	Hillary Clinton 37%, Barack Obama 24%, John Edwards 14%, Bill Richardson 3%, Dennis Kucinich 2%, Joe Biden 2%, Chris Dodd 1%, Mike Gravel 1%, Other 2%, Not sure 15%
ABC News/Washington Post	Sep 4–7, 2007	Hillary Clinton 41%, Barack Obama 27%, John Edwards 14%, Joe Biden 3%, Bill Richardson 2%, Dennis Kucinich 2%, Chris Dodd 1%, Mike Gravel 1%, Other/None/No opinion 10%
Fox News	Aug 21–22, 2007	Hillary Clinton 35%, Barack Obama 23%, Al Gore 10%, John Edwards 6%, Dennis Kucinich 3%, Bill Richardson 3%, Joe Biden 2%, Chris Dodd 1%, Mike Gravel 0%, Other/Don't know/Wouldn't vote 17%
Quinnipiac University	Aug 7–13, 2007	Hillary Clinton 36%, Barack Obama 21%, Al Gore 15%, John Edwards 9%, Bill Richardson 3%, Joe Biden 2%, Dennis Kucinich 1%, Chris Dodd 0%, Mike Gravel 0%, Other/Don't know 11%
American Research Group	Aug 9–12, 2007	Hillary Clinton 36%, Barack Obama 21%, John Edwards 16%, Bill Richardson 7%
Rasmussen Reports Poll	Aug 6–12, 2007	Hillary Clinton 40%, Barack Obama 25%, John Edwards 13%, Bill Richardson 4%, Joe Biden 2%, Dennis Kucinich 2%, Chris Dodd 1%, Mike Gravel 1%
American Research Group Poll	Aug 6–12, 2007, MoE ± 4	Hillary Clinton 36%, Barack Obama 21%, John Edwards 16%, Bill Richardson 7%, Joe Biden 4%, Chris Dodd 1%, Mike Gravel 1%, Dennis Kucinich 1%
Rasmussen Reports Poll	July 31 – Aug 6, 2007	Hillary Clinton 43%, Barack Obama 22%, John Edwards 14%, Dennis Kucinich 3%, Bill Richardson 3%, Joe Biden 3%, Mike Gravel 1%, Chris Dodd 1%
USA Today/Gallup Poll (with Gore)	Aug 3–5, 2007	Hillary Clinton 42%, Barack Obama 19%, Al Gore 18%, John Edwards 10%, Bill Richardson 3%, Joe Biden 3%, Dennis Kucinich 1%, Christopher Dodd 0%, Mike Gravel 0%, Someone else 1%, None/Unsure 4%
USA Today/Gallup Poll (without Gore)	Aug 3–5, 2007	Hillary Clinton 48%, Barack Obama 27%, John Edwards 12%, Bill Richardson 4%, Joe Biden 3%, Dennis Kucinich 1%, Christopher Dodd 0%, Mike Gravel 0%, Someone else 2%, None/Unsure 5%
Cook Political Report/RT Strategies Poll (with Gore)	Aug 2–5, 2007	Hillary Clinton 39%, Barack Obama 21%, Al Gore 10%, John Edwards 8%, Bill Richardson 4%, Dennis Kucinich 1%, Joe Biden 1%, Chris Dodd 0%, Mike Gravel 0%, Other 2%, Unsure 14%
Cook Political Report/RT Strategies Poll (without Gore)	Aug 2–5, 2007	Hillary Clinton 43%, Barack Obama 23%, John Edwards 10%, Bill Richardson 5%, Joe Biden 2%, Dennis Kucinich 1%, Chris Dodd 0%, Mike Gravel 0%, Other 2%, Unsure 14%
Newsweek Poll	Aug 1–2, 2007	Hillary Clinton 44%, Barack Obama 23%, John Edwards 14%, Joe Biden 3%, Dennis Kucinich 2%, Bill Richardson 1%, Mike Gravel 1%, Chris Dodd 1%, None 4%, Don't know 7%
NBC News/Wall Street Journal Poll	July 27–30, 2007	Hillary Clinton 43%, Barack Obama 22%, John Edwards 13%, Bill Richardson 6%, Joe Biden 5%, Dennis Kucinich 2%, Chris Dodd 1%, Mike Gravel 0%, Other (vol.) 1%, None (vol.) 2%, Not sure 5%
Pew Research Center for the People & the Press Poll	July 25–29, 2007	Hillary Clinton 40%, Barack Obama 21%, Al Gore 12%, John Edwards 11%, Bill Richardson 2%, Joe Biden 2%, Dennis Kucinich 2%, Chris Dodd 1%, Other (vol.) 1%, None (vol.) 2%, Unsure 6%
Diageo/Hotline Poll	July 19–22, 2007	Hillary Clinton 39%, Barack Obama 30%, John Edwards 11%, Dennis Kucinich 3%, Joe Biden 2%, Bill Richardson 2%, All of these (vol.) 1%, None of these (vol.) 4%, Unsure 8%
ABC News/Washington Post Poll (with Gore)	July 18–21, 2007	Hillary Clinton 39%, Barack Obama 28%, Al Gore 14%, John Edwards 9%, Bill Richardson 2%, Joe Biden 2%, Dennis Kucinich 1%, Chris Dodd 0%, Mike Gravel 0%, None of these (vol.) 2%, Wouldn't vote (vol.) 2%, Unsure 2%
ABC News/Washington Post Poll (without Gore)	July 18–21, 2007	Hillary Clinton 45%, Barack Obama 30%, John Edwards 12%, Bill Richardson 3%, Joe Biden 2%, Dennis Kucinich 1%, Chris Dodd 1%, Mike Gravel 0%, None of these (vol.) 2%, Other (vol.) 1%, Wouldn't vote (vol.) 2%, Unsure 2%
FOX News/Opinion Dynamics Poll (with Gore)	July 17–18, 2007	Hillary Clinton 39%, Barack Obama 23%, Al Gore 9%, John Edwards 9%, Dennis Kucinich 3%, Bill Richardson 2%, Joseph Biden 1%, Chris Dodd 0%, Mike Gravel 0%, Other (vol.) 1%, Unsure 11%, Wouldn't vote (vol.) 2%
FOX News/Opinion Dynamics Poll (without Gore)	July 17–18, 2007	Hillary Clinton 41%, Barack Obama 25%, John Edwards 12%, Dennis Kucinich 4%, Bill Richardson 2%, Joseph Biden 1%, Chris Dodd 0%, Mike Gravel 0%, Other (vol.) 1%, Unsure 13%, Wouldn't vote (vol.) 2%
USA Today/Gallup Poll (with Gore)	July 12–15, 2007	Hillary Clinton 34%, Barack Obama 25%, Al Gore 16%, John Edwards 9%, Bill Richardson 4%, Joe Biden 3%, Christopher Dodd 1%, Dennis Kucinich 1%, Mike Gravel 0%, None (vol.)/Unsure 6%
USA Today/Gallup Poll (without Gore)	July 12–15, 2007	Hillary Clinton 40%, Barack Obama 28%, John Edwards 13%, Bill Richardson 5%, Joe Biden 3%, Christopher Dodd 1%, Dennis Kucinich 1%, Mike Gravel 0%, None (vol.)/Unsure 8%
Zogby America Poll	July 12–14, 2007	Hillary Clinton 37%, Barack Obama 25%, John Edwards 11%, Bill Richardson 3%, Dennis Kucinich 2%, Joe Biden 1%, Mike Gravel 0%, Someone else 2%, Unsure 18%
Harris Interactive Poll	July 6–13, 2007	Hillary Clinton 35%, Barack Obama 28%, John Edwards 14%, Al Gore 13%, Bill Richardson 5%, Joe Biden 2%, Dennis Kucinich 2%, Wesley Clark 1%, Christopher Dodd 0%, Mike Gravel 0%
American Research Group Poll	July 9–12, 2007	Hillary Clinton 38%, Barack Obama 25%, John Edwards 16%, Bill Richardson 3%, Joe Biden 2%, Wesley Clark 1%, Chris Dodd 1%, Dennis Kucinich 1%, Mike Gravel 1%, Undecided 12%
Rasmussen Reports Poll	July 9–12, 2007	Hillary Clinton 38%, Barack Obama 26%, John Edwards 13%, Bill Richardson 3%, Joe Biden 2%, Dennis Kucinich 2%, Chris Dodd 2%, Mike Gravel 1%, Undecided 13%
Associated Press/Ipsos Public Affairs Poll	July 9–11, 2007	Hillary Clinton 36%, Barack Obama 20%, Al Gore 15%, John Edwards 11%, Bill Richardson 2%, Joe Biden 2%, Chris Dodd 1%, Other 0%, None 4%, Don't know/Not sure 9%
USA Today/Gallup Poll (with Gore)	July 6–8, 2007	Hillary Clinton 37%, Barack Obama 21%, Al Gore 16%, John Edwards 13%, Joe Biden 3%, Bill Richardson 2%, Dennis Kucinich 2%, Mike Gravel 1%, Christopher Dodd 0%, None/Unsure 5%
USA Today/Gallup Poll (without Gore)	July 6–8, 2007	Hillary Clinton 42%, Barack Obama 26%, John Edwards 16%, Bill Richardson 4%, Joe Biden 4%, Dennis Kucinich 2%, Mike Gravel 1%, Christopher Dodd 0%, None/Unsure 5%
Rasmussen Reports Poll	June 25–28, 2007	Hillary Clinton 39%, Barack Obama 26%, John Edwards 13%, Bill Richardson 5%, Joe Biden 3%, Dennis Kucinich 3%, Chris Dodd 1%, Mike Gravel 0%, Undecided 9%
FOX News/Opinion Dynamics Poll (with Gore)	June 26–27, 2007	Hillary Clinton 42%, Barack Obama 19%, Al Gore 14%, John Edwards 10%, Dennis Kucinich 2%, Joe Biden 1%, Chris Dodd 1%, Mike Gravel 1%, Bill Richardson 1%, Unsure 6%, Wouldn't vote (vol.) 3%
FOX News/Opinion Dynamics Poll (without Gore)	June 26–27, 2007	Hillary Clinton 47%, Barack Obama 21%, John Edwards 13%, Bill Richardson 3%, Joe Biden 2%, Dennis Kucinich 2%, Chris Dodd 1%, Mike Gravel 1%, Other (vol.) 1%, Unsure 7%, Wouldn't vote (vol.) 3%
CNN/Opinion Research Corporation Poll (with Gore)	June 22–24, 2007	Hillary Clinton 35%, Barack Obama 23%, Al Gore 16%, John Edwards 13%, Bill Richardson 4%, Joseph Biden 2%, Dennis Kucinich 1%, Christopher Dodd 0%, Mike Gravel 0%
CNN/Opinion Research Corporation Poll (without Gore)	June 22–24, 2007	Hillary Clinton 43%, Barack Obama 25%, John Edwards 17%, Bill Richardson 5%, Joseph Biden 3%, Dennis Kucinich 2%, Christopher Dodd 0%, Mike Gravel 0%
Cook Political Report/RT Strategies Poll (with Gore)	June 21–23, 2007	Hillary Clinton 32%, Barack Obama 22%, Al Gore 12%, John Edwards 11%, Joe Biden 2%, Dennis Kucinich 2%, Bill Richardson 1%, Chris Dodd 1%, Mike Gravel 0%, Other (vol.) 2%, Not sure 15%
Cook Political Report/RT Strategies Poll (without Gore)	June 21–23, 2007	Hillary Clinton 35%, Barack Obama 24%, John Edwards 15%, Joe Biden 3%, Dennis Kucinich 2%, Bill Richardson 1%, Chris Dodd 1%, Mike Gravel 0%, Other (vol.) 3%, Not sure 17%
Newsweek Poll	June 20–21, 2007	Hillary Clinton 43%, Barack Obama 27%, John Edwards 14%, Dennis Kucinich 3%, Bill Richardson 2%, Michael Bloomberg 1%, Joe Biden 1%, Chris Dodd 1%, Mike Gravel 0%, Other 1%, Unsure 7%
Rasmussen Reports Poll	June 18–21, 2007	Hillary Clinton 37%, Barack Obama 25%, John Edwards 13%, Bill Richardson 4%, Joe Biden 4%, Dennis Kucinich 3%, Chris Dodd 1%, Mike Gravel 0.5%, Undecided 13%
Cook Political Report/RT Strategies Poll (with Gore)	June 15–17, 2007	Hillary Clinton 30%, Barack Obama 20%, John Edwards 13%, Al Gore 9%, Bill Richardson 3%, Chris Dodd 1%, Dennis Kucinich 1%, Mike Gravel 1%, Joe Biden 0%, Other (vol.) 2%, Unsure 20%
Cook Political Report/RT Strategies Poll (without Gore)	June 15–17, 2007	Hillary Clinton 32%, Barack Obama 22%, John Edwards 16%, Bill Richardson 4%, Chris Dodd 1%, Dennis Kucinich 1%, Mike Gravel 1%, Joe Biden 1%, Other (vol.) 2%, Unsure 21%
USA Today/Gallup Poll (with Gore)	June 11–14, 2007	Hillary Clinton 33%, Barack Obama 21%, Al Gore 18%, John Edwards 11%, Bill Richardson 5%, Joe Biden 3%, Dennis Kucinich 1%, Mike Gravel 1%, Christopher Dodd 0%, Someone else 1%, None/Unsure 7%
USA Today/Gallup Poll (without Gore)	June 11–14, 2007	Hillary Clinton 39%, Barack Obama 26%, John Edwards 13%, Bill Richardson 5%, Joe Biden 3%, Dennis Kucinich 1%, Mike Gravel 1%, Christopher Dodd 0%, Someone else 1%, None/Unsure 8%
Rasmussen Reports Poll	June 11–14, 2007	Hillary Clinton 38%, Barack Obama 27%, John Edwards 16%, Bill Richardson 3%, Joe Biden 2%, Chris Dodd 1%, Dennis Kucinich 1%, Mike Gravel 1%
American Research Group Poll	June 9–12, 2007	Hillary Clinton 39%, Barack Obama 19%, John Edwards 13%, Bill Richardson 5%, Joe Biden 3%, Wesley Clark 2%, Dennis Kucinich 1%, Chris Dodd 1%, Mike Gravel 1%
NBC News/Wall Street Journal Poll	June 8–11, 2007	Hillary Clinton 39%, Barack Obama 25%, John Edwards 15%, Bill Richardson 4%, Joe Biden 4%, Dennis Kucinich 3%, Chris Dodd 1%
Quinnipiac University Poll	June 5–11, 2007	Hillary Clinton 35%, Barack Obama 21%, Al Gore 18%, John Edwards 9%, Bill Richardson 2%, Joe Biden 1%, Dennis Kucinich 1%, Chris Dodd 0%, Mike Gravel 0%, Other (vol.) 1%, Wouldn't vote 1%, Unsure 11%
Los Angeles Times/Bloomberg Poll	June 7–10, 2007	Hillary Clinton 33%, Barack Obama 22%, Al Gore 15%, John Edwards 8%, Joe Biden 5%, Bill Richardson 4%, Dennis Kucinich 2%, Chris Dodd 1%, Other (vol.) 1%, Unsure 9%
FOX News/Opinion Dynamics Poll (with Gore)	June 5–6, 2007	Hillary Clinton 36%, Barack Obama 23%, Al Gore 14%, John Edwards 12%, Joe Biden 1%, Dennis Kucinich 1%, Mike Gravel 1%, Bill Richardson 1%
FOX News/Opinion Dynamics Poll (without Gore))	June 5–6, 2007	Hillary Clinton 41%, Barack Obama 26%, John Edwards 15%, Joe Biden 2%, Dennis Kucinich 2%, Chris Dodd 1%, Mike Gravel 1%, Bill Richardson 1%
AP/Ipsos Poll	June 4–6, 2007	Hillary Clinton 33%, Barack Obama 21%, Al Gore 20%, John Edwards 12%, Bill Richardson 3%, Joe Biden 1%, Chris Dodd 0%, Dennis Kucinich 0%, Mike Gravel 0%
USA Today/Gallup Poll (with Gore)	June 1–3, 2007	Barack Obama 30%, Hillary Clinton 29%, Al Gore 17%, John Edwards 11%, Bill Richardson 3%, Joe Biden 3%
USA Today/Gallup Poll (without Gore)	June 1–3, 2007	Hillary Clinton 37%, Barack Obama 36%, John Edwards 13%, Bill Richardson 4%, Joe Biden 4%, Mike Gravel 1%
ABC News/Washington Post Poll	May 29 – June 1, 2007	Hillary Clinton 35%, Barack Obama 23%, Al Gore 17%, John Edwards 8%, Joe Biden 2%, Bill Richardson 2%, Chris Dodd 1%, Dennis Kucinich 1%
Rasmussen Reports Poll	May 21–23, 2007	Hillary Clinton 35%, Barack Obama 26%, John Edwards 14%, Bill Richardson 5%
Zogby International	May 17–20, 2007	Hillary Clinton 39%, Barack Obama 24%, John Edwards 11%, Bill Richardson 2%, Joe Biden 2%, Dennis Kucinich 1%, Someone else 3%, Not sure 17%
Diageo/Hotline Poll	May 16–20, 2007	Hillary Clinton 31%, Barack Obama 21%, Al Gore 13%, John Edwards 10%, Bill Richardson 2%, Dennis Kucinich 2%, Joe Biden 0%, Christopher Dodd 0%, Mike Gravel 0%, Any/all of these (vol.) 2%, None of these (vol.) 2%, Unsure 16%
Rasmussen Reports Poll	May 14–17, 2007	Hillary Clinton 35%, Barack Obama 25%, John Edwards 18%, Bill Richardson 5%
Cook Political Report/RT Strategies Poll	May 11–13, 2007	Hillary Clinton 35%, Barack Obama 24%, John Edwards 11%, Al Gore 10%, Bill Richardson 2%, Chris Dodd 2%, Joe Biden 1%, Dennis Kucinich 1%, Mike Gravel 1%, Other (vol.) 1%, Unsure 12%
USA Today/Gallup Poll (with Gore)	May 10–13, 2007	Hillary Clinton 35%, Barack Obama 26%, Al Gore 16%, John Edwards 12%, Bill Richardson 2%, Joe Biden 2%, Wesley Clark 1%, Al Sharpton 1%, Christopher Dodd 1%, Dennis Kucinich 0%, Mike Gravel 0%, Someone else 1%, Unsure 4%
USA Today/Gallup Poll (without Gore)	May 10–13, 2007	Hillary Clinton 42%, Barack Obama 28%, John Edwards 14%, Bill Richardson 3%, Joe Biden 2%, Wesley Clark 1%, Al Sharpton 1%, Christopher Dodd 1%, Dennis Kucinich 1%, Mike Gravel 0%, Someone else 1%, Unsure/None 6%
Rasmussen Reports Poll	May 7–10, 2007	Hillary Clinton 35%, Barack Obama 33%, John Edwards 14%, Bill Richardson 3%
CNN/Opinion Research Poll	May 4–6, 2007	Hillary Clinton 38%, Barack Obama 24%, Al Gore 12%, John Edwards 12%, Bill Richardson 5%, Joe Biden 2%, Chris Dodd 2%, Dennis Kucinich 1%
USA Today/Gallup Poll (with Gore)	May 4–6, 2007	Hillary Clinton 38%, Barack Obama 23%, Al Gore 14%, John Edwards 12%, Bill Richardson 2%, Joe Biden 2%, Wesley Clark 1%, Dennis Kucinich 1%, Al Sharpton 0%, Mike Gravel 0%, Christopher Dodd 0%, Someone else 1%, None (vol.) 1%, Unsure 4%
USA Today/Gallup Poll (without Gore)	May 4–6, 2007	Hillary Clinton 45%, Barack Obama 27%, John Edwards 14%, Bill Richardson 3%, Joe Biden 2%, Wesley Clark 1%, Dennis Kucinich 1%, Al Sharpton 0%, Mike Gravel 0%, Christopher Dodd 0%, Someone else 1%, Unsure/None 5%
WNBC/Marist Poll	Apr 26 – May 1, 2007	Hillary Clinton 35%, Barack Obama 17%, John Edwards 15%, Al Gore 9%, Bill Richardson 3%, Joe Biden 2%, Dennis Kucinich 1%, Chris Dodd 1%, Wesley Clark 0%, Mike Gravel 0%, Unsure 17%
Quinnipiac University Poll	Apr 25 – May 1, 2007	Hillary Clinton 32%, Barack Obama 18%, Al Gore 14%, John Edwards 12%, Bill Richardson 3%, Joe Biden 2%, Dennis Kucinich 2%, Chris Dodd 1%, Mike Gravel 0%, Wesley Clark 0%, Other (vol.) 1%, Unsure 15%
Cook Political Report/RT Strategies Poll	April 27–29, 2007	Hillary Clinton 32%, Barack Obama 23%, John Edwards 16%, Al Gore 11%, Bill Richardson 4%, Joe Biden 2%, Chris Dodd 1%, Dennis Kucinich 0%, Mike Gravel 0%, Unsure 12%
NBC News/Wall Street Journal Poll	April 20–23, 2007	Hillary Clinton 36%, Barack Obama 31%, John Edwards 20%, Joe Biden 3%, Bill Richardson 2%, Dennis Kucinich 1%
Pew Research Center Poll	April 18–22, 2007	Hillary Clinton 34%, Barack Obama 24%, John Edwards 18%, Al Gore 14%, Joe Biden 1%, Dennis Kucinich 1%, Bill Richardson 1%, Other/None/Unsure 7%
Rasmussen Reports Poll	April 16–19, 2007	Hillary Clinton 32%, Barack Obama 32%, John Edwards 17%, Bill Richardson 3%, Joe Biden 1%, Chris Dodd 1%, Wesley Clark 1%
Fox News/Opinion Dynamics Poll	April 17–18, 2007	Hillary Clinton 41%, Barack Obama 20%, Al Gore 16%, John Edwards 12%, Dennis Kucinich 2%, Bill Richardson 2%, Joe Biden 1% Chris Dodd 1%
USA Today/Gallup Poll (with Gore)	April 13–15, 2007	Hillary Clinton 31%, Barack Obama 26%, John Edwards 16%, Al Gore 15%, Bill Richardson 3%, Al Sharpton 2%, Wesley Clark 1%, Joe Biden 1%, Mike Gravel 1%, Dennis Kucinich 1%, Christopher Dodd 1%, None (vol.) 1%, Unsure 3%
USA Today/Gallup Poll (without Gore)	April 13–15, 2007	Hillary Clinton 37%, Barack Obama 29%, John Edwards 19%, Bill Richardson 4%, Wesley Clark 2%, Joe Biden 2%, Al Sharpton 2%, Mike Gravel 1%, Dennis Kucinich 1%, Christopher Dodd 1%, Someone else 1%, None (vol.) 1%, Unsure 3%
Washington Post/ABC News Poll	April 12–15, 2007	Hillary Clinton 37%, Barack Obama 20%, Al Gore 17%, John Edwards 14%
CNN/Opinion Research Poll	April 10–12, 2007	Hillary Clinton 30%, Barack Obama 26%, Al Gore 15%, John Edwards 12%, Wesley Clark 3%, Bill Richardson 3%, Joe Biden 1%, Dennis Kucinich 1%, Chris Dodd 1%, Al Sharpton 1%
LA Times/Bloomberg Poll	April 9–12, 2007	Hillary Clinton 33%, Barack Obama 23%, John Edwards 14%, Al Gore 13%, Bill Richardson 3%, Joe Biden 1%
American Research Group Poll	April 9–12, 2007	Hillary Clinton 36%, Barack Obama 24%, John Edwards 19%, Bill Richardson 2%, Joe Biden 2%, Wes Clark 1%, Chris Dodd 1%, Dennis Kucinich 1%
USA Today/Gallup Poll (with Gore)	April 2–5, 2007	Hillary Clinton 38%, Barack Obama 19%, John Edwards 15%, Al Gore 14%, Wes Clark 3%, Bill Richardson 2%, Joe Biden 1%, Mike Gravel 1%, Chris Dodd 0%, Al Sharpton 0%, Dennis Kucinich 0%, Someone else 2%, None (vol.) 1%, Unsure 5%
USA Today/Gallup Poll (without Gore)	April 2–5, 2007	Hillary Clinton 43%, Barack Obama 19%, John Edwards 18%, Bill Richardson 3%, Wes Clark 3%, Joe Biden 2%, Mike Gravel 1%, Dennis Kucinich 0%, Al Sharpton 0%, Chris Dodd 0%, Someone else 2%, None (vol.) 1%, Unsure 7%
Rasmussen Reports Poll	April 2–5, 2007	Hillary Clinton 34%, Barack Obama 29%, John Edwards 15%, Bill Richardson 4%
Cook Political Report	Mar 29 – Apr 1, 2007	Hillary Clinton 41%, John Edwards 19%, Barack Obama 17%, Joe Biden 4%, Bill Richardson 3%
Rasmussen Reports Poll	March 26–29, 2007	Hillary Clinton 33%, Barack Obama 26%, John Edwards 17%, Bill Richardson 4%
Fox News/Opinion Poll	March 27–28, 2007	Hillary Clinton 36%, Barack Obama 18%, Al Gore 14%, John Edwards 13%, Dennis Kucinich 2%, Bill Richardson 2%, Joe Biden 1%, Christopher Dodd 0%
Zogby America Poll	March 22–26, 2007	Hillary Clinton 32%, Barack Obama 22%, John Edwards 13%, Joe Biden 2%, Bill Richardson 2%, Dennis Kucinich 1%
USA Today/Gallup Poll (with Al Gore)	March 23–25, 2007	Hillary Clinton 35%, Barack Obama 22%, Al Gore 17%, John Edwards 14%, Bill Richardson 3%, Joe Biden 1%, Wesley Clark 1%, Christopher Dodd 0%, Mike Gravel 0%, Dennis Kucinich 0%, Al Sharpton 0%, None (vol.) 2%, Unsure 4%
USA Today/Gallup Poll (without Al Gore)	March 23–25, 2007	Hillary Clinton 42%, Barack Obama 24%, John Edwards 17%, Bill Richardson 4%, Joe Biden 2%, Wesley Clark 2%, Dennis Kucinich 1%, Mike Gravel 0%, Al Sharpton 0%, Christopher Dodd 0%, None (vol.) 2%, Unsure 5%
Pew Research Center Poll	March 21–25, 2007	Hillary Clinton 35%, Barack Obama 26%, John Edwards 16%, Al Gore 12%, Bill Richardson 1%, Joe Biden 1%, Dennis Kucinich 0%, Chris Dodd 0%, None (vol.) 3%, Unsure 6%
Rasmussen Reports Poll	March 19–22, 2007	Hillary Clinton 37%, Barack Obama 25%, John Edwards 17%, Bill Richardson 3%
Rasmussen Reports Poll	March 12–15, 2007	Hillary Clinton 35%, Barack Obama 30%, John Edwards 11%, Bill Richardson 5%, Joe Biden 3%
Time Poll	March 9–12, 2007	Hillary Clinton 34%, Barack Obama 26%, Al Gore 13%, John Edwards 10%, Bill Richardson 2%, Dennis Kucinich 2%, Joe Biden 1%, Al Sharpton 1%, Christopher Dodd 0%
CNN Poll	March 9–11, 2007	Hillary Clinton 37%, Barack Obama 22%, Al Gore 14%, John Edwards 12%, Bill Richardson 3%, Joe Biden 1%, Wesley Clark 1%, Dennis Kucinich 1%, Christopher Dodd 0%, Al Sharpton 0%
Rasmussen Reports Poll	March 5–8, 2007	Hillary Clinton 38%, Barack Obama 26%, John Edwards 15%, Bill Richardson 3%
Associated Press-Ipsos Poll	March 5–7, 2007	Hillary Clinton 38%, Barack Obama 21%, Al Gore 14%, John Edwards 10%, Bill Richardson 4%, Joe Biden 1%, Christopher Dodd 0%
American Research Group Poll	March 2–5, 2007	Hillary Clinton 34%, Barack Obama 31%, John Edwards 15%, Bill Richardson 2%, Joe Biden 1%, Wesley Clark 1%, Christopher Dodd 1%, Dennis Kucinich 1%, Mike Gravel 0%
NBC News/Wall Street Journal Poll	March 2–5, 2007	Hillary Clinton 40%, Barack Obama 28%, John Edwards 15%, Bill Richardson 5%, Joe Biden 2%, Wesley Clark 1%, Christopher Dodd 1%, Dennis Kucinich 1%
USA Today/Gallup Poll	March 2–4, 2007	Hillary Clinton 36%, Barack Obama 22%, Al Gore 18%, John Edwards 9%, Joe Biden 3%, Wesley Clark 2%, Mike Gravel 1%, Bill Richardson 1%, Christopher Dodd 0%, Dennis Kucinich 0%, Al Sharpton 0%
Rasmussen Reports Poll	Feb 26 – Mar 1, 2007	Hillary Clinton 34%, Barack Obama 26%, John Edwards 15%, Joe Biden 3%, Bill Richardson 3%
FOX News/Opinion Dynamics Poll	Feb 27–28, 2007	Hillary Clinton 34%, Barack Obama 23%, Al Gore 14%, John Edwards 12%, Joe Biden 1%, Dennis Kucinich 1%, Bill Richardson 1%, Christopher Dodd 0%
Time Poll	Feb 23–26, 2007	Hillary Clinton 36%, Barack Obama 24%, Al Gore 13%, John Edwards 11%, Bill Richardson 3%, Joe Biden 2%, Dennis Kucinich 1%, Al Sharpton 1%, Christopher Dodd 0%
ABC News/Washington Post Poll	Feb 22–25, 2007	Hillary Clinton 36%, Barack Obama 24%, Al Gore 14%, John Edwards 12%, Bill Richardson 3%, Joe Biden 1%, Wesley Clark 0%, Christopher Dodd 0%, Dennis Kucinich 0%, Mike Gravel 0%, Tom Vilsack 0%
Zogby Poll	Feb 22–24, 2007	Hillary Clinton 33%, Barack Obama 25%, John Edwards 12%, Bill Richardson 5%, Joe Biden 2%, Wesley Clark 1%
Rasmussen Reports Poll	Feb 19–22, 2007	Hillary Clinton 37%, Barack Obama 26%, John Edwards 13%, Bill Richardson 4%, Joe Biden 3%
Quinnipiac University Poll	Feb 13–19, 2007	Hillary Clinton 38%, Barack Obama 23%, Al Gore 11%, John Edwards 6%, Wesley Clark 2%, Bill Richardson 2%, Joe Biden 1%, Dennis Kucinich 1%, Christopher Dodd 0%, Tom Vilsack 0%
Cook Political Report/RT Strategies Poll	Feb 15–18, 2007	Hillary Clinton 42%, Barack Obama 20%, John Edwards 16%, Bill Richardson 5%, Joe Biden 1%, Wesley Clark 1%, Mike Gravel 1%, Dennis Kucinich 1%, Tom Vilsack 1%, Christopher Dodd 0%
Rasmussen Reports Poll	Feb 12–15, 2007	Hillary Clinton 28%, Barack Obama 24%, John Edwards 11%, Al Gore 10%
WNBC/Marist Poll	Feb 12–15, 2007	Hillary Clinton 37%, Barack Obama 17%, John Edwards 11%, Al Gore 11%, Joe Biden 2%, Bill Richardson 2%, Wesley Clark 1%, Mike Gravel 1%, Al Sharpton 1%, Christopher Dodd 0%, Dennis Kucinich 0%, Tom Vilsack 0%
USA Today/Gallup Poll	Feb 9-11, 2007	Hillary Clinton 40%, Barack Obama 21%, Al Gore 14%, John Edwards 13%, Bill Richardson 4%, Joe Biden 1%, Wesley Clark 1%, Christopher Dodd 1%, Mike Gravel 0%, Dennis Kucinich 0%, Al Sharpton 0%, Tom Vilsack 0%
Times Union/Siena College Poll	Feb 6–9, 2007	Hillary Clinton 45%, Barack Obama 12%, John Edwards 10%, Al Gore 10%, Bill Richardson 2%, Joe Biden 1%, Dennis Kucinich 1%, Tom Vilsack 0%
Rasmussen Reports Poll	Feb 5–8, 2007	Hillary Clinton 28%, Barack Obama 23%, John Edwards 13%, Al Gore 8%
Rasmussen Reports Poll	Jan 29 – Feb 3, 2007	Hillary Clinton 34%, Barack Obama 18%, John Edwards 10%, Al Gore 10%, Joe Biden 3%, Wesley Clark 3%
FOX News/Opinion Dynamics Poll	Jan 30–31, 2007	Hillary Clinton 43%, Barack Obama 15%, John Edwards 12%, Al Gore 11%, Joe Biden 4%, Bill Richardson 2%, Christopher Dodd 0%, Dennis Kucinich 0%, Tom Vilsack 0%
Time Poll	Jan 22–23, 2007	Hillary Clinton 40%, Barack Obama 21%, John Edwards 11%, Al Gore 9%, John Kerry 4%, Bill Richardson 4%, Joe Biden 2%, Christopher Dodd 1%, Dennis Kucinich 1%, Al Sharpton 1%, Tom Vilsack 0%
CNN/Opinion Research Corporation Poll	Jan 19–21, 2007	Hillary Clinton 34%, Barack Obama 18%, John Edwards 15%, Al Gore 10%, John Kerry 5%, Joe Biden 3%, Wesley Clark 2%, Dennis Kucinich 2%, Bill Richardson 2%, Christopher Dodd 1%, Al Sharpton 1%, Tom Vilsack 1%
ABC News/Washington Post Poll	Jan 16–19, 2007	Hillary Clinton 41%, Barack Obama 17%, John Edwards 11%, Al Gore 10%, John Kerry 8%, Joe Biden 3%, Wesley Clark 1%, Dennis Kucinich 1%, Bill Richardson 1%, Christopher Dodd 0%, Mike Gravel 0%, Tom Vilsack 0%
Gallup Poll	Jan 12–14, 2007	Hillary Clinton 29%, Barack Obama 18%, John Edwards 13%, Al Gore 11%, John Kerry 8%, Joe Biden 5%, Bill Richardson 3%, Wesley Clark 2%, Christopher Dodd 1%, Al Sharpton 1%, Dennis Kucinich 0%, Tom Vilsack 0%
Rasmussen Reports Poll	Jan 8–11, 2007	Hillary Clinton 22%, Barack Obama 21%, John Edwards 15%, Al Gore 7%, Joe Biden 4%, John Kerry 4%
USA Today/Gallup Poll	Dec 11–14, 2006	Hillary Clinton 33%, Barack Obama 20%, Al Gore 12%, John Edwards 8%, John Kerry 6%, Joe Biden 3%, Wesley Clark 2%, Bill Richardson 2%, Evan Bayh 1%, Christopher Dodd 1%, Tom Vilsack 1%, Dennis Kucinich 0%
NBC News/Wall Street Journal Poll	Dec 8–11, 2006	Hillary Clinton 37%, Barack Obama 18%, John Edwards 14%, John Kerry 11%, Joe Biden 4%, Evan Bayh 3%, Bill Richardson 2%, Tom Vilsack 0%
ABC News/Washington Post Poll	Dec 7–11, 2006	Hillary Clinton 39%, Barack Obama 17%, John Edwards 12%, Al Gore 10%, John Kerry 7%, Joe Biden 2%, Bill Richardson 2%, Evan Bayh 1%, Wesley Clark 1%, Tom Vilsack 1%, Christopher Dodd 0%
CNN/Opinion Research Corporation Poll	Dec 5–7, 2006	Hillary Clinton 37%, Barack Obama 15%, Al Gore 14%, John Edwards 9%, John Kerry 7%, Bill Richardson 2%, Joe Biden 2%, Wesley Clark 2%, Tom Vilsack 1%, Evan Bayh 1%, Unsure 10%
FOX News/Opinion Dynamics Poll	Dec 5–6, 2006	Hillary Clinton 33%, Barack Obama 12%, Al Gore 11%, John Edwards 8%, John Kerry 6%, Evan Bayh 2%, Joe Biden 2%, Tom Vilsack 2%, Wesley Clark 1%, Bill Richardson 1%
WNBC/Marist Poll	Nov 27 – Dec 3, 2006	Hillary Clinton 33%, John Edwards 14%, Al Gore 13%, Barack Obama 12%, John Kerry 5%, Joe Biden 3%, Evan Bayh 1%, Wesley Clark 1%, Bill Richardson 1%, Tom Vilsack 1%, Christopher Dodd 0%, Al Sharpton 0%
CNN/Opinion Research Corporation Poll	Nov 17–19, 2006	Hillary Clinton 33%, Barack Obama 15%, John Edwards 14%, Al Gore 14%, John Kerry 7%, Wesley Clark 4%, Joe Biden 3%, Bill Richardson 3%, Evan Bayh 2%
USA Today/Gallup Poll	Nov 9–12, 2006	Hillary Clinton 31%, Barack Obama 19%, John Edwards 10%, Al Gore 9%, John Kerry 7%, Joe Biden 4%, Wesley Clark 3%, Evan Bayh 2%, Bill Richardson 2%, Tom Daschle 1%, Christopher Dodd 1%, Russ Feingold 1%, Tom Vilsack 1%
Pew Research Center Poll	Nov 9–12, 2006	Hillary Clinton 39%, Barack Obama 23%, John Edwards 10%, Al Gore 9%, John Kerry 7%, Joe Biden 2%, Russ Feingold 1%, Bill Richardson 1%
Cook Political Report/RT Strategies Poll	Nov 9–12, 2006	Hillary Clinton 39%, Barack Obama 21%, John Edwards 11%, John Kerry 6%, Joe Biden 4%, Wesley Clark 2%, Bill Richardson 2%, Evan Bayh 1%, Russ Feingold 1%, Tom Vilsack 1%, Christopher Dodd 0%
McLaughlin & Associates Poll (R)	Nov 7, 2006	Hillary Clinton 31%, Barack Obama 19%, Al Gore 10%, John Kerry 10%, John Edwards 6%, Joe Biden 2%, Evan Bayh 1%, Russ Feingold 1%, Bill Richardson 1%, Christopher Dodd 0%, Tom Vilsack 0%
Rasmussen Reports Poll	Nov 4–7, 2006	Hillary Clinton 29%, Barack Obama 22%, Al Gore 13%, John Edwards 10%, John Kerry 4%
CNN/Opinion Research Corporation Poll	Oct 27–29, 2006	Hillary Clinton 28%, Barack Obama 17%, John Edwards 13%, Al Gore 13%, John Kerry 12%, Evan Bayh 2%, Joe Biden 2%, Russ Feingold 2%, Bill Richardson 2%, Tom Vilsack 1%
WNBC/Marist Poll	Sep 18–20, 2006	Hillary Clinton 35%, Al Gore 16%, John Edwards 10%, John Kerry 9%, Joe Biden 5%, Tom Daschle 2%, Mark Warner 2%, Evan Bayh 1%, Wesley Clark 1%, Christopher Dodd 1%, Russ Feingold 1%, Bill Richardson 1%, Tom Vilsack 1%
CNN/Opinion Research Corporation Poll	Aug 30 – Sep 2, 2006	Hillary Clinton 37%, Al Gore 20%, John Edwards 11%, John Kerry 11%, Russ Feingold 3%, Bill Richardson 3%, Mark Warner 3%, Evan Bayh 2%, Joe Biden 2%, Tom Vilsack 1%
FOX News/Opinion Dynamics Poll	Aug 29–30, 2006	Hillary Clinton 32%, Al Gore 15%, John Kerry 13%, John Edwards 9%, Joe Biden 4%, Wesley Clark 4%, Evan Bayh 2%, Mark Warner 2%
Cook Political Report/RT Strategies Poll	Aug 25–27, 2006	Hillary Clinton 32%, Al Gore 19%, John Edwards 11%, John Kerry 9%, Joe Biden 5%, Russ Feingold 3%, Evan Bayh 2%, Bill Richardson 2%, Mark Warner 2%, Wesley Clark 1%, Christopher Dodd 1%, Tom Vilsack 1%
Pew Research Center Poll	Aug 9–13, 2006	Hillary Clinton 40%, Al Gore 18%, John Edwards 11%, John Kerry 11%, Joe Biden 6%, Bill Richardson 4%, Russ Feingold 2%, Mark Warner 2%
Cook Political Report/RT Strategies Poll	Jun 1–4, 2006	Hillary Clinton 31%, Al Gore 18%, John Kerry 14%, John Edwards 11%, Joe Biden 4%, Wesley Clark 3%, Mark Warner 3%, Evan Bayh 2%, Russ Feingold 2%, Bill Richardson 2%, Christopher Dodd 1%, Tom Vilsack 0%
Gallup Poll	Jun 1–4, 2006	Hillary Clinton 36%, Al Gore 16%, John Edwards 12%, John Kerry 11%, Joe Biden 4%, Wesley Clark 4%, Russ Feingold 3%, Mark Warner 2%
Diageo/Hotline Poll	Apr 19–23, 2006	Hillary Clinton 38%, John Kerry 14%, John Edwards 13%, Joe Biden 5%, Wesley Clark 3%, Russ Feingold 3%, Bill Richardson 2%, Mark Warner 2%, Evan Bayh 1%
FOX News/Opinion Dynamics Poll	Mar 14–15, 2006	Hillary Clinton 43%, Al Gore 12%, John Edwards 11%, John Kerry 10%, Joe Biden 4%, Wesley Clark 4%, Mark Warner 3%, Evan Bayh 2%
WNBC/Marist Poll	Feb 13–15, 2006	Hillary Clinton 33%, Al Gore 17%, John Edwards 16%, John Kerry 11%, Joe Biden 4%, Evan Bayh 3%, Wesley Clark 3%, Bill Richardson 3%, Mark Warner 2%
CNN/USA Today/Gallup Poll	Feb 9–12, 2006	Hillary Clinton 39%, John Kerry 15%, Al Gore 13%, John Edwards 12%, Joe Biden 5%, Mark Warner 5%, Russ Feingold (vol.) 1%
CNN/USA Today/Gallup Poll	Dec 9-11, 2005	Hillary Clinton 43%, John Edwards 14%, John Kerry 14%, Joe Biden 8%, Bill Richardson 3%, Mark Warner 3%, Evan Bayh 1%, Tom Vilsack 1%
Cook Political Report/RT Strategies Poll	Dec 8–11, 2005	Hillary Clinton 33%, John Kerry 17%, John Edwards 15%, Joe Biden 7%, Russ Feingold 4%, Bill Richardson 4%, Mark Warner 4%, Evan Bayh 3%, Wesley Clark 3%, Tom Vilsack 0%
NBC News/Wall Street Journal Poll	Dec 6–8, 2005	Hillary Clinton 26%, John Edwards 12%, Joe Lieberman 10%, John Kerry 9%, Barack Obama 7%, Joe Biden 3%, Wesley Clark 3%, Bill Richardson 3%, Evan Bayh 1%, Tim Kaine 1%, Mark Warner 1%
NBC News/Wall Street Journal Poll	Nov 4–7, 2005	Hillary Clinton 41%, John Edwards 14%, Al Gore 12%, John Kerry 10%, Joe Biden 5%, Wesley Clark 4%, Bill Richardson 3%
FOX News/Opinion Dynamics Poll	Oct 12–13, 17, 2005	Hillary Clinton 41%, John Kerry 17%, John Edwards 14%, Joe Biden 5%, Wesley Clark 3%, Evan Bayh 2%, Tom Vilsack 1%, Mark Warner 1%
FOX News/Opinion Dynamics Poll	Sep 27–28, 2005	Hillary Clinton 42%, John Edwards 14%, John Kerry 14%, Al Gore 11%, Joe Biden 5%, Wesley Clark 1%, Mark Warner 1%
Gallup Poll	Aug 5–7, 2005	Hillary Clinton 41%, John Kerry 16%, John Edwards 15%, Joe Biden 8%, Wesley Clark 5%, Evan Bayh 3%, Bill Richardson 3%, Mark Warner 2%
Zogby Poll	Jun 20–22, 2005	Hillary Clinton 39%, John Kerry 13%, John Edwards 12%, Howard Dean 6%, Al Gore 6%, Joe Biden 5%, Evan Bayh 4%, Wesley Clark 4%, Bill Richardson 3%
FOX News/Opinion Dynamics Poll	Jun 14–15, 2005	Hillary Clinton 44%, John Kerry 17%, John Edwards 13%, Joe Biden 6%, Wesley Clark 2%, Evan Bayh 1%, Mark Warner 1%
Marist College Poll	Apr 18–21, 2005	Hillary Clinton 40%, John Kerry 18%, John Edwards 16%, Joe Biden 7%, Wesley Clark 4%, Russ Feingold 2%, Bill Richardson 1%
Marist College Poll	Feb 14–16, 2005	Hillary Clinton 39%, John Kerry 21%, John Edwards 15%, Joe Biden 5%, Wesley Clark 4%, Russ Feingold 2%, Bill Richardson 2%, Evan Bayh 1%, Mark Warner 1%
Ipsos-Public Affairs Poll	Dec 17–19, 2004	Hillary Clinton 33%, John Kerry 19%, John Edwards 15%, Wesley Clark 11%

Three-way contest

Poll Source	Date	Democrat	%	Democrat	%	Democrat	%
Rasmussen Reports Poll	July 16–22, 2007	Hillary Clinton	38%	Barack Obama	25%	John Edwards	14%
CBS News/New York Times Poll	July 9–17, 2007	Hillary Clinton	43%	Barack Obama	24%	John Edwards	16%
Rasmussen Reports Poll	July 9–15, 2007	Hillary Clinton	38%	Barack Obama	26%	John Edwards	13%
CBS News/New York Times Poll	June 26–28, 2007	Hillary Clinton	48%	Barack Obama	24%	John Edwards	11%
Rasmussen Reports Poll	June 4–7, 2007	Hillary Clinton	37%	Barack Obama	25%	John Edwards	11%
Rasmussen Reports Poll	May 29–31, 2007	Hillary Clinton	34%	Barack Obama	26%	John Edwards	15%
CBS/New York Times Poll	May 18–23, 2007	Hillary Clinton	46%	Barack Obama	24%	John Edwards	14%
Rasmussen Reports Poll	Apr 30 – May 3, 2007	Hillary Clinton	34%	Barack Obama	26%	John Edwards	16%
Rasmussen Reports Poll	Apr 23–26, 2007	Barack Obama	32%	Hillary Clinton	30%	John Edwards	17%
USA Today/Gallup Poll	Apr 13–15, 2007	Hillary Clinton	37%	Barack Obama	29%	John Edwards	19%
Rasmussen Reports Poll	Apr 9–12, 2007	Hillary Clinton	32%	Barack Obama	30%	John Edwards	16%
CBS News/New York Times Poll	Apr 9–12, 2007	Hillary Clinton	39%	Barack Obama	24%	John Edwards	21%
Time Poll	Apr 5–9, 2007	Hillary Clinton	33%	Barack Obama	26%	John Edwards	25%
CBS News/New York Times Poll	Mar 26–27, 2007	Hillary Clinton	36%	Barack Obama	28%	John Edwards	18%
Time Poll	Feb 23–26, 2007	Hillary Clinton	42%	Barack Obama	30%	John Edwards	22%
Rasmussen Reports Poll	Nov 28 – Dec 4, 2006	Hillary Clinton	34%	Barack Obama	17%	Tom Vilsack	1%
Cook Political Report/RT Strategies Poll	Feb 23–26, 2006	Hillary Clinton	44%	John Edwards	16%	John Kerry	14%
CNN/USA Today/Gallup Poll	Feb 10, 2005	Hillary Clinton	40%	John Kerry	25%	John Edwards	17%
CNN/USA Today/Gallup Poll	Feb 4–6, 2005	Hillary Clinton	40%	John Kerry	25%	John Edwards	18%
USA Today/Gallup Poll	Nov 7–10, 2004	Hillary Clinton	25%	John Kerry	15%	John Edwards	7%

Two-way contest

Poll Source	Date	Democrat	%	Democrat	%
USA Today/Gallup Poll	July 12–15, 2007	Hillary Clinton	54%	Barack Obama	42%
Newsweek Poll	July 2–3, 2007	Hillary Clinton	56%	Barack Obama	33%
USA Today/Gallup Poll	June 11–14, 2007	Hillary Clinton	53%	Barack Obama	42%
USA Today/Gallup Poll	June 1–3, 2007	Hillary Clinton	49%	Barack Obama	46%
USA Today/Gallup Poll	May 10–13, 2007	Hillary Clinton	54%	Barack Obama	40%
USA Today/Gallup Poll	May 4–6, 2007	Hillary Clinton	56%	Barack Obama	37%
Newsweek Poll	May 2–3, 2007	Hillary Clinton	51%	Barack Obama	39%
Newsweek Poll	May 2–3, 2007	Hillary Clinton	57%	John Edwards	38%
Newsweek Poll	May 2–3, 2007	Barack Obama	49%	John Edwards	41%
USA Today/Gallup Poll	April 13–15, 2007	Hillary Clinton	53%	Barack Obama	41%
USA Today/Gallup Poll	April 2–5, 2007	Hillary Clinton	61%	Barack Obama	33%
USA Today/Gallup Poll	March 23–25, 2007	Hillary Clinton	56%	Barack Obama	37%
NBC News/Wall Street Journal Poll	March 2–4, 2007	Hillary Clinton	47%	Barack Obama	39%
USA Today/Gallup Poll	March 2–4, 2007	Hillary Clinton	56%	Barack Obama	36%
Newsweek Poll	Feb 28 – Mar 1, 2007	Hillary Clinton	52%	Barack Obama	38%
Newsweek Poll	Feb 28 – Mar 1, 2007	Hillary Clinton	63%	John Edwards	32%
Newsweek Poll	Feb 28 – Mar 1, 2007	Barack Obama	49%	John Edwards	42%
FOX News/Opinion Dynamics Poll	Feb 13–14, 2007	Hillary Clinton	49%	Barack Obama	32%
USA Today/Gallup Poll	Feb 9-11, 2007	Hillary Clinton	62%	Barack Obama	33%
Newsweek Poll	Jan 24–25, 2007	Hillary Clinton	55%	Barack Obama	35%
Newsweek Poll	Jan 24–25, 2007	Hillary Clinton	62%	John Edwards	29%
Newsweek Poll	Jan 24–25, 2007	Barack Obama	46%	John Edwards	39%
Time Poll	Jan 22–23, 2007	Hillary Clinton	55%	Barack Obama	32%
CBS News Poll	Jan 18–21, 2007	Hillary Clinton	45%	Barack Obama	28%
USA Today/Gallup Poll	Jan 12–14, 2007	Hillary Clinton	53%	Barack Obama	39%
Newsweek Poll	Dec 5–6, 2006	Hillary Clinton	50%	Barack Obama	32%
FOX News/Opinion Dynamics Poll	Dec 5–6, 2006	Hillary Clinton	52%	Barack Obama	30%
FOX News/Opinion Dynamics Poll	Dec 5–6, 2006	Hillary Clinton	53%	Al Gore	36%
FOX News/Opinion Dynamics Poll	Aug 29–30, 2006	Hillary Clinton	53%	Al Gore	34%
Diageo/Hotline Poll	Apr 19–23, 2006	Hillary Clinton	57%	John Kerry	30%
Diageo/Hotline Poll	Apr 19–23, 2006	Hillary Clinton	52%	John Edwards	33%
Diageo/Hotline Poll	Apr 19–23, 2006	Hillary Clinton	66%	Mark Warner	15%
Diageo/Hotline Poll	Apr 19–23, 2006	Hillary Clinton	57%	Al Gore	29%
Fabrizio, McLaughlin & Associates Poll (R)	Nov 14–16, 2004	Hillary Clinton	46%	John Edwards	28%
USA Today/Gallup Poll	Nov 7–10, 2004	Hillary Clinton	55%	John Edwards	39%

Acceptability

Poll Source	Date	Democrat	Acceptable	Unacceptable	Unsure/Other
Gallup Poll	Jun 26–29, 2006	John Edwards	71%	25%	4%
Gallup Poll	Jun 26–29, 2006	Hillary Rodham Clinton	69%	29%	1%
Gallup Poll	Jun 26–29, 2006	Al Gore	68%	31%	1%
Gallup Poll	Jun 26–29, 2006	John Kerry	59%	40%	1%
Gallup Poll	Jun 26–29, 2006	Joe Biden	44%	37%	19%
Gallup Poll	Dec 8–10, 2006	Barack Obama	42%	11%	47%
Gallup Poll	Jun 26–29, 2006	Wesley Clark	42%	49%	10%
Gallup Poll	Jun 26–29, 2006	Howard Dean	40%	54%	6%
Gallup Poll	Jun 26–29, 2006	Bill Richardson	36%	38%	26%
Gallup Poll	Jun 26–29, 2006	Tom Daschle	35%	50%	15%
Gallup Poll	Jun 26–29, 2006	Russ Feingold	29%	41%	30%
Gallup Poll	Jun 26–29, 2006	Mark Warner	29%	42%	29%
Gallup Poll	Jun 26–29, 2006	Dennis Kucinich	21%	51%	27%
Gallup Poll	Jun 26–29, 2006	Tom Vilsack	19%	47%	35%

State primary polls

Main article: Statewide opinion polling for the Democratic Party presidential primaries, 2008

Notes

External links

(2004 ←) United States presidential election, 2008 (→ 2012)

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Democratic
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Draft movements

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Reform Party	Nominee Ted Weill VP nominee Frank McEnulty

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Socialist Workers Party	Nominee Róger Calero Alternate nominee James Harris VP nominee Alyson Kennedy

Independent / Other	Jeff Boss Earl Dodge Bradford Lyttle Frank Moore Joe Schriner Jonathon Sharkey

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National
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Reforms

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