Nationwide opinion polling for the 2016 Democratic Party presidential primaries

This is a list of nationwide public opinion polls that have been conducted relating to the Democratic primaries for the 2016 United States presidential election. The persons named in the polls are declared candidates, are former candidates, or have received media speculation about their possible candidacy.

Aggregate polling In the following tables, blue indicates the highest percentage and percentages within the margin of error of the highest in each poll. Source of aggregate poll Date updated Date polled Method HillaryClinton BernieSanders Others /Undecided FiveThirtyEight Average June 24, 2016 February 25 –June 29, 2016 Weighted54.1% 37.4% 8.5% HuffPost Pollster Model June 24, 2016 53.8% 39.3% 6.9% RealClear Politics Average June 24, 2016 May 13–June 5, 2016 Average oflast 5 polls52.8% 41.4% 5.8% 270 to Win Average June 24, 2016 May 13–June 6, 2016 Average oflast 3 polls52.0% 38.0% 10.0%

Individual polls Polls conducted in 2016

Poll source Samplesize Margin of error Date(s)administered HillaryClinton BernieSanders Others / Undecided YouGov/Economist 390 June 18–20, 201655% 42% 4% Morning Consult 1,733 2.0% June 15–20, 201653% 35% 12%NBC/SurveyMonkey3,0921.3%June 6–12, 201658%36%6% YouGov 698 June 2–5, 201652% 41% 7% Morning Consult 1,811 2.3% June 1–5, 201651% 38% 11% IBD/TIPP3515.3%May 31 – June 5, 201651%37%12%NBC/SurveyMonkey4,3322.0%May 30 – June 5, 201653%40%7% Ipsos/Reuters 850 3.4% May 28 – June 1, 2016 44% 44% 12% Quinnipiac 678 3.8% May 24–30, 201653% 39% 8% Morning Consult 1,859 2.3% May 24–30, 201646% 42% 12%NBC/SurveyMonkey4,2272.0%May 23–29, 201653%42%5% Ipsos/Reuters 800 2.8% May 21–25, 2016 44% 43% 13%YouGov/Economist7113.1%May 20–23, 201652%41%7% Morning Consult 975 1.0% May 19–23, 201648% 42% 10%NBC/SurveyMonkey4,8881.0%May 16–22, 201651%42%7%ABC News/Washington Post8293.5%May 16–19, 201656%42%2% Ipsos/Reuters 868 2.7% May 14–18, 2016 44% 43% 13%NBC/SurveyMonkey4,3482.0%May 9–15, 201654%40%6% Morning Consult 1,855 2.3% May 11–15, 201647% 41% 12% Ipsos/Reuters 819 2.8% May 7–11, 2016 46% 44% 10% Morning Consult 2,728 1.9% May 5–9, 201649% 40% 11%NBC/SurveyMonkey3,9052.0%May 2–8, 201653%41%6% Ipsos/Reuters679 3.1% April 30 – May 4, 2016 47% 40% 13% Morning Consult 948 3.2% April 29 – May 2, 201651% 38% 11% CNN/ORC 405 5.0% April 28 – May 1, 201651% 43% 6%NBC/SurveyMonkey4,4181.9%April 25 – May 1, 201654%40%6% Morning Consult 906 3.2% April 26–29, 201649% 40% 11% IBD/TIPP3555.3%April 22–28, 201649%43%8% Ipsos/Reuters 1,062 3.0% April 23–27, 2016 47% 42% 11%YouGov/Economist6352.8%April 22–26, 201647%43%10% Suffolk University/USA Today3635.1%April 20–24, 201650.4%44.9%4.7%NBC/SurveyMonkey10,7071.4%April 18–24, 201652%42%6% Morning Consult 929 2.0% April 20–22, 201648% 42% 10% Ipsos/Reuters 835 2.8% April 16–20, 2016 43% 42% 15% Pew Research 738 - April 12–19, 201654% 42% 4% Morning Consult 941 2% April 15–17, 201646% 43% 11%NBC/SurveyMonkey3,8211.3%April 11–17, 201650%43%7%NBC/Wall Street Journal3395.3%April 10–14, 201650%48%2%FOX News4503.0%April 11–13, 201648%46% 6% Ipsos/Reuters 849 2.7% April 9–13, 2016 42% 47% 11%CBS News3593.0%April 8–12, 201650%44%6%YouGov/Economist6842.8%April 8–11, 201649%41%10%NBC/SurveyMonkey3,7461.3%April 4–10, 201649%43%8% Ipsos/Reuters 781 2.9% April 2–6, 2016 38% 44% 18% Morning Consult 884 2% April 1–3, 201647% 39% 14% Public Religion Research Institute/The Atlantic 788 N/A March 30 – April 3, 2016 46%47% 7% NBC News/SurveyMonkey 4,292 1.8% March 28 – April 3, 201651% 42% 7% IBD/TIPP 388 5.1% March 28 – April 2, 201645% 44% 11% McClatchy/Marist 497 4.4% March 29–31, 2016 47%49% 4% Ipsos/Reuters 788 2.8% March 27–31, 201646% 43% 11% YouGov/Economist 651 2.8% March 26–29, 201653% 40% 7% NBC/SurveyMonkey 1,922 2.9% March 21–27, 201649% 43% 8% Pew Research 842 2.4% March 17–27, 201649% 43% 8% Morning Consult 2,071 2.0% March 24–26, 2016 50% 39% 11% Public Policy Polling 505 4.4% March 24–26, 2016 54% 36% 10% Ipsos/Reuters 788 2.8% March 19–23, 2016 42%47% 12% McLaughlin & Associates 470 3.1% March 17–23, 201650.2% 38.3% 11.5% Fox News 410 5.0% March 20–22, 201655% 42% 3% Bloomberg/Selzer & Co. 311 5.6% March 19–22, 2016 48%49% 3%Morning Consult2,0012%March 18–21, 201651%39%11% Quinnipiac 635 3.9% March 16–21, 201650% 38% 12% CBS/NYT 388 6% March 17–20, 201650% 45% 5% CNN/ORC 397 5.0% March 17–20, 201651% 44% 5% Monmouth 391 5.0% March 17–20, 201655% 37% 8%NBC/SurveyMonkey 11,600 1.4%March 14–20, 201653% 41% 6% Morning Consult 2,011 2.0% March 16–18, 201649% 40% 11% Ipsos/Reuters 832 2.7% March 12–16, 201644%44% 12% Morning Consult 1842 2.0% March 11–13, 201648% 40% 12%NBC/SurveyMonkey 2,597 1.7%March 7–13, 201654% 41% 5% YouGov 400 2.9% March 10–12, 201652% 40% 8% Ipsos/Reuters 955 2.6% March 5–9, 201646% 39% 16% Morning Consult 960 2.0% March 4–6, 201652% 36% 12% NBC News/Wall Street Journal 410 4.8% March 3–6, 201653% 44% 3% ABC News/Wash Post 356 5.5% March 3–6, 201649% 42% 9%NBC/SurveyMonkey 6,245 1.1% February 29 – March 6, 201655% 38% 7% Ipsos/Reuters 839 4.3% February 27 – March 2, 201647% 40% 13%NBC/SurveyMonkey8,7021.7%February 22–28, 201651% 41% 9% Rasmussen Reports 541 4.5% February 22–28, 201653% 31% Other 9%Undecided 6% Morning Consult 891 2.0% February 26–27, 201651% 35% 14% CNN/ORC 427 5.0% February 24–27, 201655% 38% 7% YouGov 535 2.9% February 24–27, 201655% 37% 8% Morning Consult 1,723 2% February 24–25, 201650% 35% 15% NBC News / SurveyMonkey 2,092 3% February 24–25, 201652% 41% 7% Ipsos/Reuters 753 4.4% February 20–24, 2016 42%44% 14% IBD/TIPP3345.5%February 19–24, 201645% 43% 12%NBC/SurveyMonkey3,3381.8%February 15–21, 201651% 40% Others / Undecided 9%McLaughlin & Associates1,0003.1%February 17, 201642.5%42.6% Undecided 14.9%Fox News4294.5%February 15–17, 201644%47%Other 1%None of the above 1%Don't know 7% Ipsos/Reuters7374%February 13–17, 2016 45%42%Wouldn't vote 14%Morning Consult8292%February 15–16, 201647%39%Someone else 5%Undecided 9%NBC News/Wall Street Journal4004.9%February 14–16, 201653%42%Not sure 4%None 1%CBS News5495%February 12–16, 201647%39%Don't know 10%YouGov/Economist5272.8%February 11–15, 201653%39%Other 2%No Preference 6%Suffolk University/USA Today3195.5%February 11–15, 201653%40%Undecided 10%Quinnipiac University5634.1%February 10–15, 2016 44% 42%Wouldn't vote 2%Don't know/NA 11%NBC/SurveyMonkey3,8471.8%February 8–14, 2016 50% 40% Don't know 8%No answer 1%Morning Consult8113.4%February 10–11, 2016 46%39%Other 8%Undecided 7%Ipsos/Reuters6002.8%February 6–10, 2016 55%43%Undecided 3%Morning Consult19881%February 3–7, 2016 50%37%Undecided 8%NBC/SurveyMonkey31541.4%February 1–7, 2016 51% 39% Undecided 8%No answer 1%Ipsos/Reuters5125%February 2–5, 2016 48%45%Other 5%Rasmussen Reports5744.5%February 3–4, 2016 50%32%Other 12%Undecided 6%Quinnipiac University4844.5%February 2–4, 2016 44%42%Other 1%Wouldn't vote 2%Don't know/NA 1%Public Policy Polling5174.3%February 2–3, 2016 53%32%Undecided 14%Morning Consult7193.6%February 2–3, 2016 51%35%Other 6%Don't know/No opinion 8% Poll source Samplesize Margin of error Date(s)administered HillaryClinton MartinO'Malley BernieSanders Others Ipsos/Reuters7044.2%January 30, 2016 – February 3, 2016 54% 2% 39% Wouldn't vote 5%Morning Consult19282.2%January 29, 2016 – February 1, 2016 50%5%34%Other 5%Don't know/No opinion 9%NBC/SurveyMonkey32332.3%January 25–31, 2016 50%2%39%Don't know 8%No answer 1% YouGov/Economist 531 2.9%January 27–30, 2016 52% 2% 40%N/AIpsos/Reuters2317%January 25–29, 2016 58% 3% 38% Other 2% IBD/TIPP 378 5.1% January 22–27, 2016 50% 2% 38% Other / Undecided 10%CNN / ORC4404.5%January 21–24, 2016 52% 2% 38% Other 8%Washington Post / ABC News4065.5%January 21–24, 2016 55% 4% 36%Other 5% Fox News 375 5% January 18–21, 2016 49% 1% 37% Other 1%None of the above 2%Don't know 10%Zogby373N/AJanuary 19–20, 2016 49% 10% 27% Undecided 14%Ipsos/Reuters6292.8%January 16–20, 2016 54% 4% 35% Wouldn't vote 7%YouGov/Economist 2000 2.9% January 15–19, 2016 50% 2% 41%N/AMonmouth University 352 5.4% January 15–18, 2016 52% 2% 37%Other 0%No one 4%Undecided 4%NBC News/Wall Street Journal400 4.9%January 9–13, 201659%2%34%N/A New York Times/CBS News 389 6% January 7–10, 2016 48% 2% 41% None of them 3%Don't know/No answer 6% NBC/SurveyMonkey 2619 2.4% January 4–10, 2016 52% 2% 37% Don't know 8%No answer 1% IBD/TIPP 378 5.1% January 4–8, 2016 43% 2% 39% Other 6%Undecided 9%Refused 1% Fox News 360 5% January 4–7, 2016 54% 3% 39% Other 1%None of the above 1%Unsure 2% Ipsos/Reuters 709 4.2% January 2–6, 2016 58% 3% 30% Wouldn't Vote 9% YouGov/Economist 533 2.8% December 31, 2015 – January 6, 2016 54% 3% 37% No preference 4%Other 1% NBC/SurveyMonkey 3,700 1.9% December 28, 2015 – January 3, 2016 53% 2% 36% Undecided 8%No Answer 1%

Polls conducted in 2015