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Nationwide opinion polling for the 2016 Republican Party presidential primaries
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 2016 U.S. presidential election | |
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| Republican Party | |
| Democratic Party | |
| Third parties | |
| Related races | |
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This is a list of nationwide public opinion polls that were conducted relating to the Republican primaries for the 2016 United States presidential election. The persons named in the polls were either declared candidates, former candidates, or received media speculation about their possible candidacy. On May 4, 2016, Donald Trump became the sole contender and presumptive nominee.
Aggregate polling
| Poll source | Date(s) included or updated | Ted Cruz | John Kasich | Donald Trump | Others |
|---|---|---|---|---|---|
| HuffPost Pollster Model[1] | Updated May 8, 2016 | 23.4% | 13.7% | 56.5% | Undecided 5.0% Other 2.7% |
| FiveThirtyEight Average[2] | Updated May 1, 2016 | 28.8% | 18.2% | 43.9% | |
| 270 to Win Average[3] | April 12 – May 1, 2016 | 27.0% | 18.0% | 46.5% | |
| RealClear Politics Average[4] | April 12 – May 1, 2016 | 27.0% | 18.0% | 46.5% |
Individual polls
Polls conducted in 2016
| Poll source | Sample size | Margin of error | Date(s) administered | Jeb Bush | Ben Carson | Ted Cruz | John Kasich | Marco Rubio | Donald Trump | Others[a] |
|---|---|---|---|---|---|---|---|---|---|---|
| NBC News/SurveyMonkey[5] | 3389 | ± 2.3% | May 2–8, 2016 | 21% | 13% | 60% | 6% | |||
| Ipsos/Reuters[6] | 423 | ± 5.3% | April 30 – May 4, 2016 | 27% | 17% | 55% | 2% | |||
| Morning Consult[7] | 723 | ± 2.0% | April 29 – May 2, 2016 | 20% | 13% | 56% | 11% | |||
| CNN/ORC[8] | 406 | ± 5.0% | April 28 – May 1, 2016 | 25% | 19% | 49% | 4% | |||
| NBC News/SurveyMonkey[9] | 3479 | ± 2.2% | April 25 – May 1, 2016 | 22% | 14% | 56% | 7% | |||
| Morning Consult[10] | 757 | ± 2.0% | April 26–29, 2016 | 27% | 12% | 48% | 13% | |||
| IBD/TIPP[11] | 354 | ± 5.0% | April 22–29, 2016 | 29% | 16% | 48% | 9% | |||
| Ipsos/Reuters[12] | 762 | ± 4% | April 23–27, 2016 | 28% | 17% | 49% | 5% | |||
| YouGov/Economist[13] | 499 | ± 2.8% | April 22–26, 2016 | 28% | 19% | 49% | 4% | |||
| Suffolk University/USA Today[14] | 292 | ± 5.7% | April 20–24, 2016 | 29% | 17% | 45% | 9% | |||
| NBC News/SurveyMonkey[15] | 2633 | ± 2.6% | April 18–24, 2016 | 26% | 17% | 50% | 7% | |||
| Ipsos/Reuters[16] | 546 | ± 4.8% | April 16–20, 2016 | 31% | 16% | 49% | 4% | |||
| Pew Research[17] | 740 | ± % | April 12–19, 2016 | 25% | 20% | 44% | 3% | |||
| Morning Consult[18] | 780 | ± 2.0% | April 15–17, 2016 | 26% | 13% | 46% | 15% | |||
| NBC News/SurveyMonkey[19] | 3333 | ± 2.3% | April 11–17, 2016 | 28% | 19% | 46% | 7% | |||
| NBC News/Wall Street Journal[20] | 310 | ± 5.57% | April 10–14, 2016 | 35% | 24% | 40% | 1% | |||
| Fox News[21] | 419 | ± 4.5% | April 11–13, 2016 | 27% | 25% | 45% | 2% | |||
| Ipsos/Reuters[22] | 622 | ± 4.5% | April 9–13, 2016 | 32% | 21% | 44% | 4% | |||
| CBS News[23] | 399 | ± 6% | April 8–12, 2016 | 29% | 18% | 42% | 10% | |||
| YouGov/Economist[24] | 502 | ± 2.8% | April 8–11, 2016 | 25% | 18% | 53% | 4% | |||
| NBC News/SurveyMonkey[25] | 3225 | ± 2.3% | April 4–10, 2016 | 30% | 16% | 46% | 8% | |||
| Ipsos/Reuters[26] | 584 | ± 4.6% | April 2–6, 2016 | 38% | 19% | 39% | 3% | |||
| Morning Consult[27] | 770 | ± 2.0% | April 1–3, 2016 | 27% | 14% | 45% | 14% | |||
| Public Religion Research Institute/The Atlantic[28] | 785 | ± 2.5% | March 30 – April 3, 2016 | 32% | 21% | 36% | 10% | |||
| NBC News/SurveyMonkey[29] | 3353 | ± 2.2% | March 28 – April 3, 2016 | 28% | 18% | 45% | 9% | |||
| IBD/TIPP[30] | 388 | ± 5.1% | March 28 – April 2, 2016 | 31% | 19% | 38% | 11% | |||
| McClatchy/Marist[31] | 444 | ± 4.7% | March 29–31, 2016 | 35% | 20% | 40% | 4% | |||
| Ipsos/Reuters[32] | 665 | ± 4.3% | March 27–31, 2016 | 33% | 19% | 44% | 5% | |||
| YouGov/Economist[33] | 525 | ± 2.8% | March 26–29, 2016 | 29% | 18% | 48% | 5% | |||
| NBC News/SurveyMonkey[34] | 1611 | ± 3.4% | March 21–27, 2016 | 27% | 18% | 48% | 7% | |||
| Pew Research Center[35] | 834 | ± 2.4% | March 17–27, 2016 | 32% | 20% | 41% | 1% | |||
| Public Policy Polling[36] | 505 | ± 4.4% | March 24–26, 2016 | 32% | 22% | 42% | 4% | |||
| Morning Consult[37] | 803 | ± 2.0% | March 24–26, 2016 | 28% | 10% | 49% | 13% | |||
| Ipsos/Reuters[38] | 583 | ± 4.6% | March 19–23, 2016 | 28% | 20% | 45% | 7% | |||
| Mclaughin[39] | 436 | ± 3.1% | March 17–23, 2016 | 28% | 16% | 45% | 10% | |||
| Fox News[40] | 388 | ± 5.0% | March 20–22, 2016 | 38% | 17% | 41% | 4% | |||
| Bloomberg/Selzer[41] | 366 | ± 5.1% | March 19–22, 2016 | 31% | 25% | 40% | 5% | |||
| Morning Consult[42] | 754 | ± 2.0% | March 18–21, 2016 | 26% | 13% | 45% | 16% |
