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       White House 2016: Democratic Nomination              See also: Rating the contenders


     
 
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Investor's Business Daily/TIPP Poll. April 22-28, 2016. N=355 registered voters nationwide who are Democrats or lean to the Democratic Party. Margin of error 5.3.
Notes:
The Feb. 2016, survey, included a series of issue questions prior to the presidential primary ballot match-up. Among the topics covered: Whether a special prosecutor should investigate if "Clinton's use of a private email server compromised any intelligence."
The Jan. 2016, survey, included a series of issue questions prior to the presidential primary ballot match-up. Among the topics covered: The "investigation by the FBI" into Clinton's use of email, if "the government should control or own key industries," if it's "the government's role to redistribute wealth and income," if "the U.S. is evolving into a socialist state."

             

"I am going to read you the names of the candidates who are running for the Democratic presidential nomination. If the Democratic presidential primary were held today, whom would you support for the nomination? Would you say [see below], or someone else?" Options rotated

 
    4/22-28/16 3/28 -
4/2/16
2/19-24/16    
    % % %    
 

Hillary Clinton

49 45 45    
 

Bernie Sanders

43 44 43    
 

Someone else

5 6 5    
 

Unsure

2 3 6    
 

Refused

- 1 1    
             
    1/22-27/16 1/4-8/16 11/30 -
12/4/15
10/24-29/15 9/26 -
10/1/15
    % % % % %
 

Hillary Clinton

50 43 51 48 42
 

Bernie Sanders

38 39 33 33 18
 

Martin O'Malley

2 2 1 2 1
 

Someone else

4 6 6 7 6
 

Unsure

5 9 8 8 8
 

Refused

1 1 0 2 3
 

Joe Biden

n/a n/a n/a n/a 22
 

Jim Webb

n/a n/a n/a n/a 1
 

Lincoln Chafee

n/a n/a n/a n/a -

 

Suffolk University/USA Today. April 20-24, 2016. N=363 likely voters nationwide who say they will participate in or have participated in the Democratic presidential primary or caucus in their state. Margin of error 5.1.

             

"If the Democratic primary for president was held today, and the candidates were Hillary Clinton and Bernie Sanders, for whom would/did you vote: Clinton or Sanders?" Options rotated

 
    %        
 

Hillary Clinton

50        
 

Bernie Sanders

45        
 

Unsure

4        

 

NBC News/Wall Street Journal Poll conducted by Hart Research Associates (D) and Public Opinion Strategies (R). April 10-14, 2016. N=339 Democratic primary voters nationwide. Margin of error 5.3.

             

"And, if the next Democratic primary for president were being held today, which one of the following candidates would you favor: [see below]?" If unsure: "Well, which way do you lean?" Options rotated

 
    4/10-14/16        
    %        
 

Hillary Clinton

50        
 

Bernie Sanders

48        
 

Unsure

2        
             
    3/3-6/16 2/14-16/16 1/9-13/16 12/6-9/15 10/25-29/15
    % % % % %
 

Hillary Clinton

53 53 59 56 62
 

Bernie Sanders

44 42 34 37 31
 

Other (vol.)

- - - - 1
 

None (vol.)

1 1 3 2 1
 

Unsure

2 4 2 1 2
 

Martin O'Malley

n/a n/a 2 4 3

 

Fox News Poll conducted by Anderson Robbins Research (D) and Shaw & Company Research (R). April 11-13, 2016. N=450 likely Democratic primary and caucus voters nationwide. Margin of error 4.5.

             

"Please tell me which one of the following candidates you would like to see as the Democratic presidential nominee: [see below]." If unsure: "Well, if you had to decide today, which one would you choose?" Options rotated
Note: Follow-up question added June 21-23, 2015.

 
    4/11-13/16 3/20-22/16 2/15-17/16    
    % % %    
 

Hillary Clinton

48 55 44    
 

Bernie Sanders

46 42 47    
 

Other (vol.)

- - 1    
 

None of above (vol.)

1 2 1    
 

Unsure

4 1 7    
             
    1/18-21/16 1/4-7/16 12/16-17/15 11/16-19/15 11/1-3/15
    % % % % %
 

Hillary Clinton

49 54 56 55 56
 

Bernie Sanders

37 39 34 32 31
 

Martin O'Malley

1 3 2 3 2
 

Other (vol.)

1 1 1 - 2
 

None of above (vol.)

2 1 2 5 4
 

Unsure

10 2 4 5 4
             
    10/10-12/15 9/20-22/15 8/11-13/15 7/30 -
8/2/15
7/13-15/15
    % % % % %
 

Hillary Clinton

45 44 49 51 59
 

Bernie Sanders

25 30 30 22 19
 

Joe Biden

19 18 10 13 8
 

Martin O'Malley

1 2 1 1 1
 

Jim Webb

- 1 1 1 1
 

Larry Lessig

- - n/a n/a n/a
 

Lincoln Chafee

- - - 1 1
 

Other (vol.)

1 - 1 1 1
 

None of above (vol.)

4 2 3 3 4
 

Unsure

5 3 4 6 5
             
    6/21-23/15 5/31 -
6/2/15
5/9-12/15 4/19-21/15 3/29-31/15
    % % % % %
 

Hillary Clinton

61 57 63 62 61
 

Bernie Sanders

15 11 6 4 3
 

Joe Biden

11 8 6 9 12
 

Andrew Cuomo

3 1 2 3 3
 

Jim Webb

2 2 2 - 1
 

Martin O'Malley

1 4 - 1 2
 

Lincoln Chafee

- 1 - - n/a
 

Other (vol.)

1 1 1 - 1
 

None of above (vol.)

2 2 2 4 3
 

Unsure

5 6 6 5 3
 

Elizabeth Warren

n/a 7 13 12 11
             
 

Without Biden (Biden supporters allocated based on 2nd choice):

 
    10/10-12/15        
    %        
 

Hillary Clinton

54        
 

Bernie Sanders

28        
 

Martin O'Malley

2        
 

Jim Webb

1        
 

Lincoln Chafee

1        
 

Larry Lessig

-        
 

Other (vol.)

1        
 

None of above (vol.)

6        
 

Unsure

7        

 

CBS News Poll. April 8-12, 2016. N=359 Democratic primary voters nationwide. Margin of error 6.

             

"Which one of these candidates would you like to see the Democratic Party nominate for president in 2016: [see below]?" Options rotated
Prior to 11/15: "Suppose the race for the Democratic Party's presidential nomination in 2016 comes down to the following candidates, which one would you like to see the Democratic Party nominate for president in 2016: [see below]?"

 
    4/8-12/16 3/17-20/16 2/12-16/16    
    % % %    
 

Hillary Clinton

50 50 47    
 

Bernie Sanders

44 45 39    
 

Someone else (vol.)

- 1 -    
 

None of them (vol.)

3 2 4    
 

Unsure/No answer

3 3 10    
 
    1/7-10/16 12/4-8/15 11/6-10/15 10/4-8/15 9/9-13/15
    % % % % %
 

Hillary Clinton

48 52 52 56 58
 

Bernie Sanders

41 32 33 32 28
 

Martin O'Malley

2 2 5 1 -
 

Someone else (vol.)

- - 1 1 2
 

None of them (vol.)

3 5 3 3 2
 

Unsure/No answer

6 9 6 4 6
 

Jim Webb

n/a n/a n/a 2 3
 

Lincoln Chafee

n/a n/a n/a 1 -
 

Lawrence Lessig

n/a n/a n/a - n/a

 

Public Religion Research Institute/The Atlantic. March 30-April 3, 2016. N=788 Democratic and Democratic-leaning voters nationwide.

             

"Which of the following Democratic candidates would you most like to see as the Democratic Party's 2016 nominee for president: [see below]?" Options rotated

 
    %        
 

Bernie Sanders

47        
 

Hillary Clinton

46        
 

Other/Unsure/Refused

7        

 

McClatchy-Marist Poll. March 29-31, 2016. N=497 registered voters nationwide who are Democrats or lean Democratic. Margin of error 4.4.

             

Democratic Presidential Preference, including those who are leaning toward a candidate:

 
    3/29-31/16 10/29 -
11/4/15
     
    % %      
 

Bernie Sanders

49 35      
 

Hillary Clinton

47 57      
 

Other

1 -      
 

Unsure

4 4      
 

Martin O'Malley

n/a 4      

 

Pew Research Center. March 17-27, 2016. N=842 Democratic and Democratic-leaning registered voters nationwide. Margin of error 3.8.

             

"As I name some Democratic candidates for president in 2016, please tell me which one, if any, you would most like to see nominated as the Democratic Party's candidate: [see below]." If unsure: "As of today, who would you say you LEAN toward?" Options rotated

 
    %        
 

Hillary Clinton

49        
 

Bernie Sanders

43        
 

None (vol.)

4        
 

Too early to tell (vol.)

2        
 

Unsure/Refused

2        

 

Bloomberg Politics Poll conducted by Selzer & Company. March 19-22, 2016. N=311 likely Democratic primary and caucus voters nationwide, including those who have already participated. Margin of error 5.6.

             

"Which one of the following Democrats would be your first choice for president: [see below]?" Options rotated

 
    %        
 

Bernie Sanders

49        
 

Hillary Clinton

48        
 

Unsure

3        

 

Quinnipiac University. March 16-21, 2016. N=635 registered voters nationwide who are Democrats or lean Democratic. Margin of error 3.9.

             

"Who would you like to see win the Democratic nomination for president this year: Hillary Clinton or Bernie Sanders?"

 
    %        
 

Hillary Clinton

50        
 

Bernie Sanders

38        
 

Someone else (vol.)

1        
 

Unsure

10        

 

CNN/ORC Poll. March 17-20, 2016. N=478 registered voters nationwide who are Democrats or lean Democratic. Margin of error 4.5.

             

"Who would you MOST like to see win the Democratic nomination for president: [see below]?" Options rotated

 
    %        
 

Hillary Clinton

51        
 

Bernie Sanders

44        
 

Someone else (vol.)

2        
 

None/No one (vol.)

1        
 

Unsure

2        

 

Monmouth University Poll. March 17-20, 2016. N=391 registered voters nationwide who are Democrats or lean Democratic. Margin of error 5.

             

"Who do you support for the Democratic nomination for president: [see below]?" Options rotated
1/16 & earlier: "Who would you support for the Democratic nomination for president if the candidates were [see below]?"

 
    3/17-20/16 1/15-18/16 12/10-13/15 10/15-18/15  
    % % % %  
 

Hillary Clinton

55 52 59 48  
 

Bernie Sanders

37 37 26 21  
 

Other (vol.)

0 0 1 0  
 

No one (vol.)

2 4 3 3  
 

Unsure

6 4 8 9  
 

Martin O'Malley

n/a 2 4 -  
 

Joe Biden

n/a n/a n/a 17  
 

Larry Lessig

n/a n/a n/a 1  
 

Jim Webb

n/a n/a n/a 1  
 

Lincoln Chafee

n/a n/a n/a -  
 
    8/31 -
9/2/15
7/30 -
8/2/15
7/9-12/15 6/11-14/15 3/30 -
4/2/15
    % % % % %
 

Hillary Clinton

42 52 51 57 60
 

Joe Biden

22 12 13 12 16
 

Bernie Sanders

20 16 17 12 7
 

Martin O'Malley

1 2 1 1 2
 

Jim Webb

1 2 1 2 1
 

Lincoln Chafee

0 0 0 0 n/a
 

Other (vol.)

0 2 0 0 0
 

No one (vol.)

4 3 2 2 2
 

Unsure

10 11 15 14 12

 

ABC News/Washington Post Poll. March 3-6, 2016. N=356 registered voters nationwide who are Democrats or lean Democratic. Margin of error 6.

             

"Who would you like to see win the Democratic nomination for president this year: Hillary Clinton or Bernie Sanders?" If unsure: "Which candidate are you leaning toward?"

 
    %        
 

Hillary Clinton

49        
 

Bernie Sanders

42        
 

Other (vol.)

2        
 

Neither (vol.)

4        
 

Unsure

3        

 

CNN/ORC Poll. Feb. 24-27, 2016. N=418 registered voters nationwide who are Democrats or lean Democratic. Margin of error 5.

             

"I'm going to read a list of people who are running in the Democratic primaries for president this year. After I read all the names, please tell me which of those candidates you would be most likely to support for the Democratic nomination for president, or if you would support someone else. [See below.]" Options rotated

 
    2/24-27/16 1/21-24/16 12/17-21/15 11/27 -
12/1/15
 
    % % % %  
 

Hillary Clinton

55 52 50 58  
 

Bernie Sanders

38 38 34 30  
 

Someone else

3 7 7 7  
 

None/No one (vol.)

2 1 4 2  
 

Unsure

2 1 1 1  
 

Martin O'Malley

n/a 2 3 2  

 

Suffolk University/USA Today. Feb. 11-15, 2016. N=319 likely voters nationwide who say they will participate in the Democratic presidential primary or caucus in their state. Margin of error 5.5.

             

"If the Democratic primary for president was held today, and the candidates were [see below], for whom would you vote or lean toward?" Options rotated

 
    2/11-15/16 12/2-6/15 9/24-28/15 7/9-12/15  
    % % % %  
 

Hillary Clinton

50 56 41 59  
 

Bernie Sanders

40 29 23 14  
 

Other (vol.)

- - - 1  
 

Unsure

10 11 14 16  
 

Martin O'Malley

n/a 4 0 1  
 

Joe Biden

n/a n/a 20 8  
 

Lincoln Chafee

n/a n/a 1 -  
 

Larry Lessig

n/a n/a - n/a  
 

Jim Webb

n/a n/a - 2  

 

Quinnipiac University. Feb. 10-15, 2016. N=563 registered voters nationwide who are Democrats or lean Democratic. Margin of error 4.1.

             

"If the Democratic primary for president were being held today, and the candidates were [see below], for whom would you vote?"

 
    2/10-15/16 2/2-4/16 12/16-20/15 11/23-30/15 10/29 -
11/2/15
    % % % % %
 

Hillary Clinton

44 44 61 60 53
 

Bernie Sanders

42 42 30 30 35
 

Someone else (vol.)

- 1 - 1 -
 

Wouldn't vote (vol.)

2 2 1 1 2
 

Unsure/No answer

11 11 6 6 9
 

Martin O'Malley

n/a n/a 2 2 -
 

Larry Lessig

n/a n/a n/a n/a 1
             
    9/17-21/15 8/20-25/15 7/23-28/15 5/19-26/15 4/16-21/15
    % % % % %
 

Hillary Clinton

43 45 55 57 60
 

Bernie Sanders

25 22 17 15 8
 

Joe Biden

18 18 13 9 10
 

Lincoln Chafee

- - - 1 -
 

Larry Lessig

- n/a n/a n/a n/a
 

Martin O'Malley

- 1 1 1 3
 

Jim Webb

- 1 1 1 1
 

Someone else (vol.)

2 - 1 1 -
 

Wouldn't vote (vol.)

2 2 1 2 3
 

Unsure/No answer

10 11 11 14 14

 

ABC News/Washington Post Poll. Jan. 21-24, 2016. N=406 registered voters nationwide who are Democrats or lean Democratic. Margin of error 5.5.

             

"If the 2016 Democratic presidential primary or caucus in your state were being held today and the candidates were Hillary Clinton, Bernie Sanders and Martin O'Malley, for whom would you vote?" If unsure: "Which candidate would you lean toward?" Options rotated
11/15: "I'm going to read a list of possible candidates for the Democratic nomination for president in 2016. If the 2016 Democratic presidential primary or caucus in your state were being held today, for whom would you vote? [See below.]" If unsure: "Which candidate would you lean toward?"

 
    1/21-24/16 12/10-13/15 11/16-19/15    
    % % %    
 

Hillary Clinton

55 59 60    
 

Bernie Sanders

36 28 34    
 

Martin O'Malley

4 5 3    
 

Other (vol.)

1 1 1    
 

None of these (vol.)

2 2 1    
 

Wouldn't vote (vol.)

1 2 0    
 

Unsure

2 4 1    

 

Public Religion Research Institute. Jan. 20-24, 2016. N=253 registered Democrats nationwide.

             

"Which of the following Democratic candidates would you most like to see as the Democratic Party's 2016 nominee for president: [see below]?" Options rotated

 
    1/20-24/16 12/2-6/15      
    % %      
 

Hillary Clinton

53 58      
 

Bernie Sanders

33 24      
 

Martin O'Malley

1 3      
 

Other (vol.)

3 1      
 

Unsure/Refused

11 15      

 

Bloomberg Politics Poll conducted by Selzer & Company. Nov. 15-17, 2015. N=385 registered voters nationwide who are Democrats or lean Democratic. Margin of error 5.

             

"Which one of the following Democrats would be your first choice for president: [see below]?" Options rotated

 
    %        
 

Hillary Clinton

55        
 

Bernie Sanders

30        
 

Martin O'Malley

3        
 

Uncommitted (vol.)

4        
 

Unsure

8        

 

ABC News/Washington Post Poll. Oct. 15-18, 2015. N=352 registered voters nationwide who are Democrats or lean Democratic. Margin of error 6.

             

"I'm going to read a list of possible candidates for the Democratic nomination for president in 2016. If the 2016 Democratic presidential primary or caucus in your state were being held today, for whom would you vote? [See below.]" If unsure: "Which candidate would you lean toward?"

 
    10/15-18/15 9/7-10/15 7/16-19/15 5/28-31/15  
    % % % %  
 

Hillary Clinton

54 42 63 62  
 

Bernie Sanders

23 24 14 10  
 

Joe Biden

16 21 12 14  
 

Martin O'Malley

1 2 1 3  
 

Jim Webb

1 1 2 1  
 

Lincoln Chafee

- 1 - 1  
 

Other (vol.)

1 1 2 2  
 

None of these (vol.)

2 5 3 4  
 

Would not vote (vol.)

1 1 1 1  
 

Unsure

2 3 2 1  
             
 

Without Biden (Biden supporters allocated based on 2nd choice):

 
    10/15-18/15 9/7-10/15 7/16-19/15    
    % % %    
 

Hillary Clinton

64 56 68    
 

Bernie Sanders

25 28 16    
 

Martin O'Malley

2 3 2    
 

Jim Webb

2 2 5    
 

Lincoln Chafee

- 1 1    
 

Other (vol.)

1 1 2    
 

None of these (vol.)

3 5 3    
 

Would not vote (vol.)

1 1 1    
 

Unsure

2 4 3    

 

Monmouth University Poll. Oct. 15-18, 2015. N=340 registered voters nationwide who are Democrats or lean Democratic. Margin of error 5.3.

             

"I know the 2016 election is far away, but who would you support for the Democratic
nomination for president if the candidates were
[see below]?"
Options rotated

 
    %        
 

Hillary Clinton

48        
 

Bernie Sanders

21        
 

Joe Biden

17        
 

Larry Lessig

1        
 

Jim Webb

1        
 

Lincoln Chafee

-        
 

Martin O'Malley

-        
 

No one (vol.)

3        
 

Unsure

9        
             

"I know the 2016 election is far away, but who would you support for the Democratic
nomination for president if the candidates were
[see below]?" If Biden: "If Biden decided not to run, would you support [see below]?" Combined responses.

 
    %        
 

Hillary Clinton

57        
 

Bernie Sanders

24        
 

Lincoln Chafee

1        
 

Larry Lessig

1        
 

Martin O'Malley

1        
 

Jim Webb

1        
 

No one (vol.)

4        
 

Unsure

12        

 

NBC News/Wall Street Journal Poll conducted by Hart Research Associates (D) and Public Opinion Strategies (R). Oct. 15-18, 2015. N=400 Democratic primary voters nationwide. Margin of error 4.9.

             

"And, thinking about people who might seek the Democratic nomination for president in 2016, if the next Democratic primary for president were being held today, which one of the following candidates would you favor: [see below]?" If unsure: "Well, which way do you lean?"

 
    10/15-18/15 9/20-24/15      
    % %      
 

Hillary Clinton

49 42      
 

Bernie Sanders

29 35      
 

Joe Biden

15 17      
 

Jim Webb

2 1      
 

Martin O'Malley

1 -      
 

Lincoln Chafee

- -      
 

None (vol.)

2 1      
 

Unsure

2 4      
             

"And, thinking about people who might seek the Democratic nomination for president in 2016, if the next Democratic primary for president were being held today, which one of the following candidates would you favor: [see below]?" If unsure: "Well, which way do you lean?" Asked of Biden supporters: "And, if Joe Biden decides not to seek the Democratic nomination for president in 2016, which candidate would you favor: [see below]?" Combined responses, excluding Biden.

 
    10/15-18/15 9/20-24/15      
    % %      
 

Hillary Clinton

58 53      
 

Bernie Sanders

33 38      
 

Jim Webb

2 1      
 

Martin O'Malley

1 1      
 

Lincoln Chafee

- -      
 

Other (vol.)

- 1      
 

None (vol.)

3 2      
 

Unsure

3 4      

 

CNN/ORC Poll. Oct. 14-17, 2015. N=425 registered voters nationwide who are Democrats or lean Democratic. Margin of error 5.

             

"I'm going to read a list of people who may be running in the Democratic primaries for president in 2016. After I read all the names, please tell me which of those candidates you would be most likely to support for the Democratic nomination for president in 2016, or if you would support someone else. [See below.]." Options rotated

 
    10/14-17/15        
    %        
 

Hillary Clinton

45        
 

Bernie Sanders

29        
 

Joe Biden

18        
 

Jim Webb

1        
 

Lincoln Chafee

-        
 

Larry Lessig

-        
 

Martin O'Malley

-        
 

Someone else

2        
 

None/No one (vol.)

3        
 

Unsure

2        
 
    9/17-19/15 9/4-8/15 8/13-16/15 7/22-25/15 6/26-28/15
    % % % % %
 

Hillary Clinton

42 37 47 56 58
 

Bernie Sanders

24 27 29 19 15
 

Joe Biden

22 20 14 15 17
 

Martin O'Malley

1 3 2 - 1
 

Lincoln Chafee

- - - - -
 

Jim Webb

- 2 1 1 1
 

Someone else

2 7 4 4 2
 

None/No one (vol.)

4 4 3 3 4
 

Unsure

2 1 - 1 1
             
 

Without Biden (Biden supporters allocated based on 2nd choice):

 
    10/14-17/15        
    %        
 

Hillary Clinton

56        
 

Bernie Sanders

33        
 

Jim Webb

2        
 

Martin O'Malley

1        
 

Lincoln Chafee

-        
 

Larry Lessig

-        
 

Someone else

2        
 

None/No one (vol.)

3        
 

Unsure

2        

 

CBS News Poll. Oct. 4-8, 2015. N=343 Democratic primary voters nationwide. Margin of error 6.

             

"Which one of these potential candidates would you like to see the Democratic Party nominate for president in 2016: [see below]?"

 
    10/4-8/15 9/9-13/15 7/29 -
8/2/15
   
    % % %    
 

Hillary Clinton

46 47 58    
 

Bernie Sanders

27 27 17    
 

Joe Biden

16 15 11    
 

Jim Webb

2 1 2    
 

Martin O'Malley

- - 1    
 

Lincoln Chafee

- 1 1    
 

Lawrence Lessig

- n/a n/a    
 

Someone else (vol.)

1 1 -    
 

None of them (vol.)

4 2 4    
 

Unsure/No answer

5 7 7    

 

Fairleigh Dickinson University's PublicMind. Oct. 1-5, 2015. N=339 registered voters nationwide who are Democrats or lean to the Democratic Party. Margin of error 5.3.

             

"I'm going to read you a list of declared and potential candidates for the Democratic nomination for president. If the election were held today, who would you vote for: [see below]?"

 
    %        
 

Hillary Clinton

45        
 

Bernie Sanders

23        
 

Joe Biden

17        
 

Martin O'Malley

1        
 

Jim Webb

1        
 

Lincoln Chafee

-        
 

Laurence Lessig

-        
 

Other (vol.)

1        
 

Wouldn't vote (vol.)

3        
 

Unsure/Refused

7        

 

Pew Research Center. Sept. 22-27, 2015. N=387 potential Democratic primary voters nationwide. Margin of error 5.7.

             

"Thinking about the 2016 presidential election, who would be your first choice for the Democratic nomination for president?" Open-ended. One response accepted.

 
    %        
 

Hillary Clinton

45        
 

Bernie Sanders

24        
 

Joe Biden

8        
 

Jim Webb

-        
 

Martin O'Malley

-        
 

Lincoln Chafee

-        
 

Other (vol.)

1        
 

None (vol.)

5        
 

Unsure

15        
 

Refused

1        

 

Bloomberg Politics Poll conducted by Selzer & Company. Sept. 18-21, 2015. N=375 Democrats and Democratic-leaners nationwide. Margin of error 5.1.

             

"Which one of the following Democrats would be your first choice for president: [see below]?" Open-ended

 
    %        
 

Hillary Clinton

33        
 

Joe Biden

25        
 

Bernie Sanders

24        
 

Jim Webb

2        
 

Martin O'Malley

1        
 

Lincoln Chafee

-        
 

Uncommitted (vol.)

8        
 

Unsure

7        

 

Monmouth University Poll. Aug. 31-Sept. 2, 2015. N=339 registered voters nationwide who are Democrats or lean Democratic. Margin of error 5.3.

             

"I know the 2016 election is far away, but who would you support for the Democratic
nomination for president if the candidates were
[see below]?"
Options rotated

 
    8/31 -
9/2/15
7/30 -
8/2/15
7/9-12/15 6/11-14/15 3/30 -
4/2/15
    % % % % %
 

Hillary Clinton

42 52 51 57 60
 

Joe Biden

22 12 13 12 16
 

Bernie Sanders

20 16 17 12 7
 

Martin O'Malley

1 2 1 1 2
 

Jim Webb

1 2 1 2 1
 

Lincoln Chafee

0 0 0 0 n/a
 

Other (vol.)

0 2 0 0 0
 

No one (vol.)

4 3 2 2 2
 

Unsure

10 11 15 14 12

 

Gallup Poll. Aug. 5-9, 2015. N=419 Democrats and independents who lean to the Democratic Party nationwide. Margin of error 6.

             

"Suppose Joe Biden decides to run for president in the Democratic primary in 2016. Please tell me whether you will definitely support him, whether you might consider supporting him, or whether you will definitely not support him."

 
    Definitely
support
Might
consider
supporting
Definitely
not support
Unsure  
    % % % %  
 

8/5-9/15

19 61 19 1  
             

"Suppose Elizabeth Warren decides to run for president in the Democratic primary in 2016. Please tell me whether you will definitely support her, whether you might consider supporting her, or whether you will definitely not support her."

 
    Definitely
support
Might
consider
supporting
Definitely
not support
Unsure  
    % % % %  
 

8/5-9/15

15 56 24 6  

 

NBC News/Wall Street Journal Poll conducted by Hart Research Associates (D) and Public Opinion Strategies (R). July 26-30, 2015. N=253 Democratic primary voters nationwide. Margin of error 6.2.

             

"And, thinking about people who might seek the Democratic nomination for president in 2016, if the next Democratic primary for president were being held today, which one of the following candidates would you favor: [see below]?" If unsure: "Well, which way do you lean?"

 
    7/26-30/15 6/14-18/15      
    % %      
 

Hillary Clinton

59 75      
 

Bernie Sanders

25 15      
 

Jim Webb

3 4      
 

Martin O'Malley

3 2      
 

Lincoln Chafee

1 -      
 

Other (vol.)

1 1      
 

None (vol.)

4 2      
 

Unsure

4 1      

 

CNN/ORC Poll. May 29-31, 2015. N=433 Democrats and independents who lean Democratic nationwide. Margin of error 4.5.

             

"I'm going to read a list of people who may be running in the Democratic primaries for president in 2016. After I read all the names, please tell me which of those candidates you would be most likely to support for the Democratic nomination for president in 2016, or if you would support someone else. Joe Biden, Hillary Clinton, Martin O'Malley, Bernie Sanders, Jim Webb, or Lincoln Chafee." Options rotated

 
    5/29-31/15 4/16-19/15      
    % %      
 

Hillary Clinton

60 69      
 

Joe Biden

14 11      
 

Bernie Sanders

10 5      
 

Jim Webb

2 3      
 

Martin O'Malley

1 1      
 

Lincoln Chafee

- 1      
 

Someone else

7 5      
 

None/No one (vol.)

5 3      
 

Unsure

1 2      

 

Fox News Poll conducted by Anderson Robbins Research (D) and Shaw & Company Research (R). April 19-21, 2015. N=388 likely Democratic primary voters nationwide.

             

"I'm going to read a list of potential candidates for the 2016 Democratic nomination. Please tell me which one you would like to see as the Democratic presidential nominee. [See below.]"

 
    4/19-21/15 3/29-31/15      
    % %      
 

Hillary Clinton

62 61      
 

Elizabeth Warren

12 11      
 

Joe Biden

9 12      
 

Bernie Sanders

4 3      
 

Andrew Cuomo

3 3      
 

Martin O'Malley

1 2      
 

Lincoln Chafee

- n/a      
 

Jim Webb

- 1      
 

Other (vol.)

- 1      
 

None of the above (vol.)

4 3      
 

Unsure

5 3      
             
 

Without Clinton (Clinton supporters allocated based on 2nd choice):

 
    4/19-21/15 3/29-31/15      
    % %      
 

Joe Biden

36 42      
 

Elizabeth Warren

24 22      
 

Andrew Cuomo

7 9      
 

Bernie Sanders

4 3      
 

Martin O'Malley

4 4      
 

Lincoln Chafee

1 n/a      
 

Jim Webb

1 3      
 

Other (vol.)

- 1      
 

None of the above (vol.)

13 8      
 

Unsure

11 8      

 

Quinnipiac University. April 16-21, 2015. N=569 registered voters nationwide who are Democrats or lean Democratic. Margin of error 4.1.

             

"If the Democratic primary for president were being held today, and the candidates were Joe Biden, Lincoln Chafee, Hillary Clinton, Martin O'Malley, Bernie Sanders, and Jim Webb, for whom would you vote?"

 
    %        
 

Hillary Clinton

60        
 

Joe Biden

10        
 

Bernie Sanders

8        
 

Martin O'Malley

3        
 

Jim Webb

1        
 

Lincoln Chafee

-        
 

Wouldn't vote (vol.)

3        
 

Unsure/No answer

14        
             
 

Without Clinton (Clinton supporters allocated based on 2nd choice):

 
    %        
 

Joe Biden

40        
 

Bernie Sanders

11        
 

Martin O'Malley

8        
 

Jim Webb

4        
 

Lincoln Chafee

1        
 

Someone else (vol.)

1        
 

Wouldn't vote (vol.)

5        
 

Unsure/No answer

30        

 

Monmouth University Poll. March 30-April 2, 2015. N=356 registered voters nationwide who are Democrats or lean Democratic. Margin of error 5.2.

             

"If Hillary Clinton did not run, who would you support for the Democratic nomination for
president if the candidates were
[see below]?"
Options rotated

 
    %        
 

Joe Biden

34        
 

Elizabeth Warren

18        
 

Bernie Sanders

8        
 

Andrew Cuomo

4        
 

Martin O'Malley

4        
 

Cory Booker

3        
 

Deval Patrick

3        
 

Jim Webb

3        
 

Kirsten Gillibrand

2        
 

Joe Manchin

1        
 

Terry McAuliffe

1        
 

Brian Schweitzer

0        
 

No one (vol.)

1        
 

Unsure

18        

 

ABC News/Washington Post Poll. March 26-29, 2015. N=1,003 adults nationwide. Results below are among registered voters who are Democrats or lean Democratic. Margin of error 6.

             

"I'm going to read a list of possible candidates for the Democratic nomination for president in 2016. After you hear the list, please tell me, if the 2016 Democratic presidential primary or caucus in your state were being held today, for whom would you vote? [See below.]" If unsure: "Which candidate would you lean toward?"

 
    3/26-29/15 12/11-14/14 10/9-12/14 5/29 -
6/1/14
 
    % % % %  
 

Hillary Clinton

66 61 64 69  
 

Joe Biden

12 14 13 12  
 

Elizabeth Warren

12 13 11 7  
 

Bernie Sanders

5 4 1 2  
 

Jim Webb

1 3 2 1  
 

Martin O'Malley

- - 1 2  
 

None of these (vol.)

2 1 3 2  
 

Would not vote (vol.)

1 1 0 0  
 

Unsure

2 2 5 2  
 

Andrew Cuomo

n/a n/a n/a 2  
 

Brian Schweitzer

n/a n/a n/a 1  

 

CNN/ORC Poll. March 13-15, 2015. N=466 Democrats and independents who lean Democratic nationwide. Margin of error 4.5.

             

"I'm going to read a list of people who may be running in the Democratic primaries for president in 2016. After I read all the names, please tell me which of those candidates you would be most likely to support for the Democratic nomination for president in 2016, or if you would support someone else. Joe Biden, Hillary Clinton, Martin O'Malley, Bernie Sanders, Elizabeth Warren or Jim Webb." Options rotated

 
    3/13-15/15 2/12-15/15 12/18-21/14 11/21-23/14  
    % % % %  
 

Hillary Clinton

62 61 66 65  
 

Joe Biden

15 14 8 9  
 

Elizabeth Warren

10 10 9 10  
 

Bernie Sanders

3 3 3 5  
 

Martin O'Malley

1 1 1 -  
 

Jim Webb

1 2 1 1  
 

Someone else

6 6 6 4  
 

None/No one (vol.)

2 2 2 3  
 

Unsure

1 1 2 1  
 

Andrew Cuomo

n/a n/a 1 1  
 

Deval Patrick

n/a n/a - 1  

 

NBC News/Wall Street Journal Poll conducted by Hart Research Associates (D) and Public Opinion Strategies (R). March 1-5, 2015. N=262 Democratic presidential primary voters nationwide. Margin of error 6.

             

"Next, I'm going to mention a number of people who might seek the Democratic nomination for president in 2016. For each one, please tell me, yes or no, whether you could see yourself supporting that person for the Democratic nomination for president in 2016. If you don't know the name, please just say so. ..."

 
    Yes, could
support
No, could
not support
Don't know
the name
Unsure  
    % % % %  
 
 

"Hillary Clinton"

 

3/1-5/15

86 13 - 1  
             
 

"Joe Biden"

 

3/1-5/15

54 40 3 2  
             
 

"Elizabeth Warren"

 

3/1-5/15

51 17 29 3  
             
 

"Bernie Sanders"

 

3/1-5/15

21 21 54 4  
             
 

"Jim Webb"

 

3/1-5/15

15 24 57 4  
             
 

"Martin O'Malley"

 

3/1-5/15

11 20 67 2  

 

McClatchy-Marist Poll. March 1-4, 2015. N=462 registered voters nationwide who are Democrats or lean Democratic. Margin of error 4.6.

             

Democratic Presidential Preference, including those who are leaning toward a candidate:

 
    3/1-4/15 12/3-9/14 9/24-29/14    
    % % %    
 

Hillary Clinton

60 62 64    
 

Joe Biden

13 11 15    
 

Elizabeth Warren

12 9 8    
 

Bernie Sanders

5 4 4    
 

Martin O'Malley

1 1 2    
 

Jim Webb

1 1 1    
 

Unsure

9 11 6    

 

Quinnipiac University. Feb. 26-March 2, 2015. N=493 registered voters nationwide who are Democrats or lean Democratic. Margin of error 4.4.

             

"If the Democratic primary for president were being held today, and the candidates were Joe Biden, Hillary Clinton, Martin O'Malley, Bernie Sanders, Elizabeth Warren, and Jim Webb, for whom would you vote?"

 
    2/26 -
3/2/15
11/18-23/14      
    % %      
 

Hillary Clinton

56 57      
 

Elizabeth Warren

14 13      
 

Joe Biden

10 9      
 

Bernie Sanders

4 4      
 

Jim Webb

1 1      
 

Martin O'Malley

- 1      
 

Someone else (vol.)

1 1      
 

Wouldn't vote (vol.)

1 1      
 

Unsure/No answer

14 14      
             
 

Without Clinton (Clinton supporters allocated based on 2nd choice):

 
    2/26 -
3/2/15
11/18-23/14      
    % %      
 

Joe Biden

35 34      
 

Elizabeth Warren

25 25      
 

Bernie Sanders

7 6      
 

Jim Webb

3 2      
 

Martin O'Malley

1 2      
 

Someone else (vol.)

1 2      
 

Wouldn't vote (vol.)

2 1      
 

Unsure/No answer

25 28      

 

Fox News Poll conducted by Anderson Robbins Research (D) and Shaw & Company Research (R). Jan. 25-27, 2015. N=390 Democratic registered voters nationwide. Margin of error 5.

             

"I'm going to read a list of potential candidates for the 2016 Democratic nomination. Please tell me which one you would like to see as the Democratic presidential nominee. [See below.]"

 
    1/25-27/15 12/7-9/14 7/20-22/14 4/13-15/14 12/14-16/13
    % % % % %
 

Hillary Clinton

55 62 64 69 68
 

Joe Biden

17 10 12 14 12
 

Elizabeth Warren

12 12 9 6 7
 

Andrew Cuomo

4 2 5 2 4
 

Bernie Sanders

3 3 n/a n/a n/a
 

Martin O'Malley

2 1 1 1 1
 

Jim Webb

1 1 n/a n/a n/a
 

None of the above (vol.)

2 5 4 4 2
 

Unsure

3 5 4 3 6
 

Deval Patrick

n/a n/a n/a n/a 1
             
 

Without Clinton (Clinton supporters allocated based on 2nd choice):

 
    %        
 

Joe Biden

37        
 

Elizabeth Warren

21        
 

Andrew Cuomo

14        
 

Bernie Sanders

5        
 

Martin O'Malley

4        
 

Jim Webb

1        
 

None of the above (vol.)

10        
 

Unsure

7        

 

Monmouth University Poll. Dec. 10-14, 2014. N=386 registered voters nationwide who are Democrats or lean Democratic. Margin of error 5.

             

"I know the 2016 election is far away, but who would you like to see as the Democratic nominee for president?" Open-ended

 
    %        
 

Hillary Clinton

48        
 

Elizabeth Warren

6        
 

Joe Biden

2        
 

Bernie Sanders

2        
 

Andrew Cuomo

1        
 

Other

1        
 

No one

7        
 

Unsure

32        

 

CNN/ORC Poll. Nov. 21-23, 2014. N=457 Democrats and independents who lean Democratic nationwide. Margin of error 4.5.

             

"I'm going to read a list of people who may be running in the Democratic primaries for president in 2016. After I read all the names, please tell me which of those candidates you would be most likely to support for the Democratic nomination for president in 2016, or if you would support someone else. Joe Biden, Hillary Clinton, Andrew Cuomo, Martin O'Malley, Deval Patrick, Bernie Sanders, Elizabeth Warren or Jim Webb." Options rotated

 
 

Without Clinton (Clinton supporters allocated based on 2nd choice):

 
    %        
 

Joe Biden

41        
 

Elizabeth Warren

20        
 

Andrew Cuomo

7        
 

Bernie Sanders

7        
 

Martin O'Malley

4        
 

Jim Webb

3        
 

Deval Patrick

2        
 

Someone else

5        
 

None/No one (vol.)

8        
 

Unsure/No answer

4        

 

CNN/ORC Poll. July 18-20, 2014. N=449 Democrats and independents who lean Democratic nationwide. Margin of error 4.5.

             

"I'm going to read a list of people who may be running in the Democratic primaries for president in 2016. After I read all the names, please tell me which of those candidates you would be most likely to support for the Democratic nomination for president in 2016, or if you would support someone else. Vice President Joe Biden, former Secretary of State Hillary Clinton, New York Governor Andrew Cuomo, Maryland Governor Martin O'Malley, or Massachusetts Senator Elizabeth Warren." Options rotated

 
    7/18-20/14 11/18-20/13 9/6-8/13    
    % % %    
 

Hillary Clinton

67 63 65    
 

Elizabeth Warren

10 7 7    
 

Joe Biden

8 12 10    
 

Andrew Cuomo

4 5 6    
 

Martin O'Malley

2 2 2    
 

Someone else (vol.)

6 6 4    
 

None/No one (vol.)

2 3 5    
 

Unsure

1 3 2    

 

Quinnipiac University. June 24-30, 2014. N=610 registered voters nationwide who are Democrats or lean Democratic. Margin of error 4.

             

"If the Democratic primary for president were being held today, and the candidates were [see below], for whom would you vote?"

 
    6/24-30/14 1/15-19/14 12/3-9/13 9/23-29/13 4/25-29/13
    % % % % %
 

Hillary Clinton

58 65 66 61 65
 

Elizabeth Warren

11 7 7 7 n/a
 

Joe Biden

9 8 8 11 13
 

Andrew Cuomo

4 3 3 2 4
 

Martin O'Malley

1 1 - - 1
 

Brian Schweitzer

1 1 1 n/a n/a
 

Someone else (vol.)

1 1 1 - 1
 

Wouldn't vote (vol.)

1 - 1 2 -
 

Unsure/No answer

15 13 12 15 14
 

Howard Dean

n/a 2 1 n/a n/a
 

Mark Warner

n/a n/a n/a 1 1
 

Deval Patrick

n/a n/a n/a n/a 1

 

CNN/ORC Poll. March 7-9, 2014. N=372 Democrats and independents who lean Democratic nationwide. Margin of error 5.

             

"I'm going to read a list of people who may be running in the Democratic primaries for president in 2016. After I read all the names, please tell me which of those candidates you would be most likely to support for the Democratic nomination for president in 2016, or if you would support someone else. Vice President Joe Biden, former Secretary of State Hillary Clinton, New York Governor Andrew Cuomo, Maryland Governor Martin O'Malley, or former Montana Governor Brian Schweitzer." Options rotated

 
    %        
 

Hillary Clinton

64        
 

Joe Biden

13        
 

Andrew Cuomo

4        
 

Martin O'Malley

4        
 

Brian Schweitzer

3        
 

Someone else (vol.)

6        
 

None/No one (vol.)

5        
 

Unsure

1        

 

ABC News/Washington Post Poll. Jan. 20-23, 2014. N=1,003 adults nationwide. Results below are among registered voters who are Democrats or lean Democratic.

             

"If the 2016 Democratic presidential primary or caucus in your state was being held today, and the candidates were [see below], for whom would you vote?" If unsure: "Which candidate would you lean toward?" Options rotated

 
    %        
 

Hillary Clinton

73        
 

Joe Biden

11        
 

Elizabeth Warren

9        
 

None of these (vol.)

3        
 

Unsure

4        

 

McClatchy-Marist Poll. Dec. 3-5, 2013. N=466 registered voters nationwide who are Democrats or lean Democratic. Margin of error 4.5.

             

"If the 2016 Democratic presidential primary or caucus in your state were held today, whom would you support if the candidates are [see below]?"

 
    12/3-5/13 7/15-18/13      
    % %      
 

Hillary Clinton

65 63      
 

Joe Biden

12 13      
 

Elizabeth Warren

9 n/a      
 

Andrew Cuomo

3 6      
 

Martin O'Malley

1 1      
 

Unsure

9 18      
             

"How about if the candidates are [see below]?"

 
    %        
 

Joe Biden

45        
 

Elizabeth Warren

25        
 

Andrew Cuomo

11        
 

Martin O'Malley

4        
 

Unsure

15        

 

CNN/ORC Poll. Nov. 18-20, 2013. N=374 Democrats and independents who lean Democratic nationwide. Margin of error 5.

             

"I'm going to read a list of people who may be running in the Democratic primaries for president in 2016. After I read all the names, please tell me which of those candidates you would be most likely to support for the Democratic nomination for president in 2016, or if you would support someone else. Vice President Joe Biden, former secretary of state Hillary Clinton, New York Governor Andrew Cuomo, Maryland Governor Martin O'Malley or Massachusetts Senator Elizabeth Warren." Options rotated

 
    %        
 

Hillary Clinton

63        
 

Joe Biden

12        
 

Elizabeth Warren

7        
 

Andrew Cuomo

5        
 

Martin O'Malley

2        
 

Someone else (vol.)

6        
 

None/No one (vol.)

3        
 

Unsure

3        
             
 

"... And who would be your second choice?"

 
    %        
 

Joe Biden

37        
 

Hillary Clinton

16        
 

Elizabeth Warren

14        
 

Andrew Cuomo

14        
 

Martin O'Malley

8        
 

Someone else (vol.)

3        
 

None/No one (vol.)

7        
 

Unsure

1        
             
 

First-choice, excluding Clinton (Clinton supporters reallocated based on their second choice):

 
    %        
 

Joe Biden

43        
 

Elizabeth Warren

17        
 

Andrew Cuomo

15        
 

Martin O'Malley

6        
 

Someone else (vol.)

8        
 

None/No one (vol.)

7        
 

Unsure

4        

 

NBC News Poll conducted by Princeton Survey Research Associates International. Nov. 7-10, 2013. N=428 Democrats and independents who lean Democratic nationwide. Margin of error 5.5.

             

"If the 2016 Democratic presidential primary were held today and Hillary Clinton were running, do you think you would vote for Hillary Clinton or for another Democratic candidate?"

 
    Hillary
Clinton
Another
candidate
Wouldn't
vote (vol.)
Unsure Refused
    % % % % %
 

11/7-10/13

66 14 2 18 1

 

Fairleigh Dickinson University's PublicMind. April 22-28, 2013. N=373 Democrats and voters who lean Democratic nationwide. Margin of error 5.1.

             

"I know it's early, but if the election for president were held today, which of the following people would you like to see as the Democratic candidate: Hillary Clinton, Andrew Cuomo, Joe Biden, or someone else?" Options rotated.

 
    %        
 

Hillary Clinton

63        
 

Joe Biden

12        
 

Andrew Cuomo

3        
 

Other

12        
 

Unsure

10        
 

Refused

1        

 

CNN/ORC Poll. Dec. 17-18, 2012. N=290 Democrats and Democratic-leaning independents nationwide. Margin of error 6.

             

"I'm going to read you the names of a few people who might run for the Democratic presidential nomination in 2016. For each one, please tell me whether you would be very likely, somewhat likely, not very likely, or not likely at all to support them if they decide to run for the Democratic nomination four years from now. . . ."

 
    Very
likely
Somewhat
likely
Not very
likely
Not likely
at all
Unsure
    % % % % %
 
 

"Secretary of State Hillary Clinton"

 

12/17-18/12

65 20 8 6 -
             
 

"Vice President Joe Biden"

 

12/17-18/12

26 40 21 13 1
             
 

"Massachusetts Senator Elizabeth Warren"

 

12/17-18/12

16 36 26 14 8
             
 

"New York Governor Andrew Cuomo"

 

12/17-18/12

11 45 25 16 3
             
 

"Montana Governor Brian Schweitzer"

 

12/17-18/12

10 27 32 18 13
             
 

"Massachusetts Governor Deval Patrick"

 

12/17-18/12

8 33 29 18 11

 


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