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Opinion polling for the 2020 Republican Party presidential primaries

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2020 U.S. presidential election

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This is a list of nationwide and statewide publicopinion polls that have been conducted relating to theRepublican primaries for the2020 United States presidential election. The persons named in the polls are declared candidates or have received media speculation about their possible candidacy. The polls included are among Republicans or Republicans and Republican-leaning independents. If multiple versions of polls are provided, the version among likely voters is prioritized, then registered voters, then adults.

	Nominee		Exploratory committee		Withdrawn candidate
	Midterm elections		Iowa caucuses		Super Tuesday		Republican convention

Polling Aggregation
Source of poll aggregation	Date updated	Dates polled	Donald Trump	Bill Weld	Joe Walsh	Other and undecided^[a]
270 to Win^[1]	Feb 19, 2020	,Feb 18 – 19, 2020	91.0%	5.0%	-
RealClearPolitics^[2]	Feb 11, 2020	Dec 10, 2019 – Feb 11, 2020	89.3%	4.0%	3.5%
Average			90.2%	4.5%	3.5%	1.8%

Poll source	Date(s) administered	Sample size^[b]	Margin of error	Rocky De La Fuente	Donald Trump	Bill Weld	Other	Undecided
Emerson College^[3]	Mar 18–19	423 (LV)	–	–	94%	6%	–	–
	Mar 18	Weld withdraws from the race
	Mar 17	Florida and Illinois primaries; Trump becomes presumptive nominee
	Mar 11	COVID-19 declared a pandemic by theWorld Health Organization; national emergency declared Mar 13
	Mar 10	Idaho, Michigan, Mississippi, Missouri and Washington primaries
	Mar 3	Super Tuesday
YouGov/Economist^[4]	Mar 1–3	232 (LV)	–	1%	94%	2%	0%^[c]	2%
YouGov/Economist^[5]	Feb 23–25	385 (LV)	–	1%	92%	2%	1%^[d]	3%
YouGov/Economist^[6]	Feb 17–18	358 (LV)	–	2%	91%	1%	0%^[c]	5%
Emerson College^[7]	Feb 16–18	482 (LV)	–	–	91%	9%	–	–
YouGov/Yahoo News^[8]	Feb 12–13	610 (LV)	–^[e]	–	82%	–	13%^[f]	4%
	Feb 11	New Hampshire primary
YouGov/Economist^[9]	Feb 9–11	349 (LV)	–	2%	90%	5%	1%^[d]	2%
	Feb 7	Walsh withdraws from the race
McLaughlin & Associates^[10]	Feb 7–11	479 (LV)	–	–	87%	6%	0%^[g]	7%
YouGov/Economist^[11]	Feb 2–4	401 (LV)	–	0%	89%	1%	3%^[h]	7%
	Feb 3	Iowa caucuses

Poll source	Date(s) administered	Sample size^[b]	Margin of error	Rocky De La Fuente	Donald Trump	Joe Walsh	Bill Weld	Other	Undecided
YouGov/Economist^[12]	Jan 26–28	384 (LV)	–	1%	89%	3%	2%	1%^[d]	4%
Emerson College^[13]	Jan 21–23	412 (LV)	–	–	92%	2%	6%	–	–
YouGov/Economist^[14]	Jan 19–21	459 (LV)	–	1%	89%	2%	2%	2%^[i]	4%
YouGov/Economist^[15]	Jan 11–14	362 (LV)	–	1%	88%	1%	1%	1%^[d]	9%
YouGov/The Economist^[16]	Jan 5–7	399 (LV)	–	1%	87%	1%	2%	1%^[d]	7%
YouGov/The Economist^[17]	Dec 28–31	359 (LV)	–	1%	89%	1%	2%	1%^[d]	6%
YouGov/Economist^[18]	Dec 22–24	415 (LV)	–	1%	91%	2%	1%	0%^[c]	5%
McLaughlin & Associates^[19]	Dec 14–18	399 (LV)	–	–	83%	2%	3%	0%^[j]	11%
Emerson College^[20]	Dec 15–17	492 (LV)	–	–	90%	5%	5%	–	–
YouGov/Economist^[21]	Dec 14–17	354 (LV)	–	1%	88%	2%	2%	0%^[c]	7%
Suffolk University^[22]	Dec 10–14	329 (LV)	–	–	88%	2%	2%	0%^[k]	7%
YouGov/Economist^[23]	Dec 7–10	422 (LV)	–	–	88%	2%	2%	1%^[d]	8%
YouGov/Economist^[24]	Dec 1–3	417 (LV)	–	–	89%	2%	3%	–	6%

Poll source	Date(s) administered	Sample size^[b]	Margin of error	Mark Sanford	Donald Trump	Joe Walsh	Bill Weld	Other	Undecided
YouGov/Economist^[25]	Nov 24–26	402 (LV)	–	–	89%	2%	3%	1%^[d]	6%
RealClear Opinion Research^[26]	Nov 15–21	780 (LV)	–	–	89%	6%	1%	–	11%
Emerson College^[27]	Nov 17–20	426 (LV)	–	–	93%	4%	3%	–	–
YouGov/Economist^[28]	Nov 17–19	383 (LV)	–	–	90%	2%	1%	–	7%
	Nov 12	Sanford withdraws from the race
YouGov/Economist^[29]	Nov 10–12	352 (LV)	–	3%	89%	1%	1%	1%^[d]	5%
YouGov/Economist^[30]	Nov 3–5	402 (LV)	–	1%	87%	1%	3%	1%^[d]	8%
YouGov/Economist^[31]	Oct 27–29	464 (LV)	–	3%	83%	2%	2%	1%^[d]	9%
Suffolk University/USA Today^[32]^[33]	Oct 23–26	323 (LV)	± 5.5%	1%	85%	1%	2%	–	11%
YouGov/Economist^[34]	Oct 20–22	404 (LV)	–	3%	87%	1%	1%	1%^[d]	8%
McLaughlin and Associates^[35]	Oct 17–22	411	–	1%	76%	1%	2%	9%^[l]	12%
Emerson College^[36]	Oct 18–21	378	± 4.9%	3%	91%	2%	5%	–	–
Ipsos^[37]	Oct 17–18	507	± 5.7%	1%	79%	1%	1%	8%^[m]	11%
YouGov/Economist^[38]	Oct 10–13	354	–	2%	86%	2%	3%	–	5%
YouGov/Economist^[39]	Oct 6–8	473	± 2.9%	1%	84%	3%	3%	–	8%
YouGov/Economist^[40]	Sep 28 – Oct 1	360	± 2.6%	3%	86%	2%	2%	–	7%
Quinnipiac University^[41]	Sep 19–23	568	± 4.9%	2%	80%	2%	2%	1%	12%
Emerson College^[42]	Sep 21–23	363	± 5.1%	3%	89%	5%	4%	–	–
Fox News^[43]	Sep 15–17	341	± 5.0%	2%	86%	2%	2%	1%	5%
YouGov/Economist^[44]	Sep 14–17	416	± 2.7%	2%	86%	1%	5%	1%	5%
Emerson College^[45]	Sep 13–16	208	± 3.3%	6%	86%	4%	4%	–	–
Public Religion Research Institute^[46]	Aug 22 – Sep 15	957	± 2.8%	–	74%	–	10%	13%	3%^[n]
HarrisX^[47]	Sep 9–12	1,175	–	2%	76%	2%	2%	4%	14%
Democracy Corps^[48]	Sep 7–11	315	–	4%	85%	5%	2%	1%	4%
YouGov/Economist^[49]	Sep 8–10	393	± 2.7%	3%	82%	1%	4%	2%	7%
McLaughlin & Associates^[50]	Sep 7–10	416	–	3%	76%	1%	3%	–	17%
	Sep 8	Sanford announceshis candidacy
Emerson College^[51]	Aug 24–26	482	± 2.5%	–	84%	–	16%	–	–
HarrisX^[52]	Aug 23–26	1,194	–	–	76%	5%	3%	6%	10%
	Aug 25	Walsh announceshis candidacy
Suffolk University^[53]	Aug 20–25	289	–	–	90%	–	5%	–	5%
McLaughlin & Associates^[54]	Jul 23–28	415	± 4.0%	4%	81%	–	2%	–	14%
Democracy Corps^[55]	Jul 18–28	354	± 4.0%	4%	89%	–	4%	–	3%
Emerson College^[56]	Jun 21–24	407	± 4.9%	–	83%	–	17%	–	–
McLaughlin & Associates^[57]	Jun 18–24	417	-	–	79%	–	7%	–	13%
Suffolk University/USA Today^[58]	Jun 11–15	326	–	–	90%	–	5%	–	5%

Poll source	Date(s) administered	Sample size^[b]	Margin of error	Jeb Bush	Bob Corker	Ted Cruz	Jamie Dimon	Jeff Flake	Nikki Haley	Larry Hogan	John Kasich	Mike Pence	Mitt Romney	Paul Ryan	Ben Sasse	Donald Trump	Bill Weld	Other	Undecided
HarrisX^[59]	May 23–25	785	± 4.0%	–	–	–	–	–	–	–	–	–	–	–	–	73%	7%	5%	13%
Change Research^[60]	May 18–21	1,248	± 2.8%	–	2%	–	–	–	–	–	–	–	–	–	–	94%	–	–	4%
				–	–	–	–	–	7%	–	–	–	–	–	–	87%	–	–	6%
				–	–	–	–	–	–	–	3%	–	–	–	–	94%	–	–	3%
	May 16	De La Fuente announces his candidacy
Emerson College^[61]	May 10–13	384	± 5.0%	–	–	–	–	–	–	–	–	–	–	–	–	86%	14%	–	–
McLaughlin & Associates^[62]	May 7–11	330	–	–	–	–	–	–	–	1%	5%	–	–	–	–	77%	3%	–	14%
Zogby Analytics^[63]	May 2–9	463	–	–	–	–	–	–	–	–	–	–	–	–	–	81%	4%	10%	6%
Quinnipiac University^[64]	Apr 26–29	419	± 5.6%	–	–	–	–	–	–	3%	–	–	–	–	–	84%	3%	1%	8%
HarrisX^[65]	Apr 26–28	641	± 4.0%	–	–	–	–	–	–	–	–	–	–	–	–	75%	7%	4%	11%
Morning Consult^[66]	Apr 19–21	641	± 4.0%	–	–	–	–	–	–	–	–	–	–	–	–	78%	7%	–	15%
Ipsos/Reuters^[67]	Apr 18–19	344	± 5.9%	–	–	–	1%	1%	5%	–	4%	10%	–	–	–	60%	–	2%	16%
	Apr 15	Weld announceshis candidacy (exploratory committee on Feb 15, 2019)
Emerson College^[68]	Apr 11–14	324	± 5.4%	–	–	–	–	–	–	–	–	–	–	–	–	85%	15%	–	–
Ipsos/Reuters^[69]	Mar 25–26	362	± 5.9%	–	–	–	1%	0%	3%	–	5%	8%	–	–	–	63%	–	4%	16%
Morning Consult^[70]	Mar 22–24	638	± 4.0%	–	–	–	–	–	–	9%	–	–	–	–	–	73%	–	–	18%
				–	–	–	–	–	–	–	13%	–	–	–	–	72%	–	–	16%
				–	–	–	–	–	–	–	–	–	–	–	–	74%	8%	–	18%
McLaughlin & Associates^[71]	Mar 20–24	418	–	–	–	–	–	–	–	–	5%	–	–	–	–	80%	1%	–	14%
Emerson College^[72]	Mar 17–18	483	–	–	–	–	–	–	–	–	–	–	–	–	–	90%	10%	–	–
Ipsos/Reuters^[73]	Mar 5–11	756	± 4.1%	–	1%	–	0%	0%	3%	–	3%	–	9%	–	0%	69%	–	2%	13%
Monmouth University^[74]	Mar 1–4	339	± 5.3%	–	–	–	–	–	–	6%	–	–	–	–	–	75%	–	–	16%
Monmouth University^[74]	Mar 1–4	339	± 5.3%	–	–	–	–	–	–	–	–	–	–	–	–	74%	8%	–	18%
Ipsos/Reuters^[73]	Feb 26 – Mar 4	1,086	± 3.4%	–	1%	–	0%	1%	5%	–	3%	–	9%	–	1%	66%	–	3%	13%
Ipsos/Reuters^[73]	Feb 19–25	1,138	± 3.3%	–	0%	–	1%	1%	4%	–	4%	–	8%	–	1%	65%	–	3%	14%
Ipsos/Reuters^[73]	Feb 12–18	1,040	± 3.5%	–	0%	–	1%	1%	3%	–	4%	–	8%	–	1%	69%	–	2%	12%
Emerson College^[75]	Feb 14–16	366	± 5.1%	–	–	–	–	–	–	–	–	–	–	–	–	85%	15%	–	–
FOX News^[76]	Feb 10–12	432 (A)	±4.5%	–	–	–	–	–	–	–	–	–	–	–	–	72%	–	17%	11%
McLaughlin & Associates^[77]	Feb 6–10	413	–	–	–	–	–	–	–	–	6%	–	10%	–	–	72%	–	–	11%
Monmouth University^[78]	Jan 25–27	335	± 5.4%	–	–	21%	–	–	–	–	–	–	–	–	–	66%	–	–	9%
Monmouth University^[78]	Jan 25–27	335	± 5.4%	–	–	–	–	–	–	–	14%	–	–	–	–	73%	–	–	11%
Zogby Analytics^[79]	Jan 18–20	307	± 5.6%	2%	–	–	–	1%	6%	–	8%	–	9%	–	–	64%	–	4%	6%
HarrisX^[80]	Jan 4–5	320	–	–	–	–	–	–	–	–	–	–	17%	–	–	70%	–	–	13%
	2019
McLaughlin & Associates^[81]	Dec 10–14	392	–	–	–	–	–	2%	–	–	5%	–	9%	–	–	72%	–	–	12%
Harvard-Harris^[82]	Nov 27–28	819	–	3%	–	5%	–	2%	2%	–	6%	–	6%	5%	1%	44%	–	2%	16%
HarrisX^[83]	Nov 16–17	320	–	–	–	17%	–	–	–	–	–	–	–	–	–	66%	–	–	17%
				–	–	–	–	9%	–	–	–	–	–	–	–	70%	–	–	21%
				–	–	–	–	–	13%	–	–	–	–	–	–	69%	–	–	18%
				–	–	–	–	–	–	–	14%	–	–	–	–	67%	–	–	19%
				–	–	–	–	–	–	–	–	–	19%	–	–	69%	–	–	12%
				–	–	–	–	–	–	–	–	–	–	20%	–	65%	–	–	15%
				–	–	–	–	–	–	–	–	–	–	–	8%	70%	–	–	21%

Poll source	Date(s) administered	Sample size^[b]	Margin of error	Bob Corker	Tom Cotton	Ted Cruz	Jeff Flake	Nikki Haley	John Kasich	Mike Pence	Mitt Romney	Marco Rubio	Ben Sasse	Donald Trump	Other	Undecided
Harvard-Harris^[84]	Jun 24–25	430	–	15%	–	–	–	–	–	–	–	–	–	85%	–	–
GQR Research^[85]	Jan 6–11	374	–	–	–	4%	1%	4%	3%	11%	5%	5%	–	62%	0%	5%
	2018
Public Policy Polling^[86]	Dec 11–12	–	–	–	–	21%	–	–	–	–	–	–	–	64%	–	15%
				–	–	–	16%	–	–	–	–	–	–	74%	–	10%
				–	–	–	–	–	19%	–	–	–	–	70%	–	11%
				–	–	–	–	–	–	22%	–	–	–	62%	–	15%
Public Policy Polling^[87]	Oct 27–29	–	–	–	–	27%	–	–	–	–	–	–	–	57%	–	16%
				–	–	–	14%	–	–	–	–	–	–	70%	–	16%
				–	–	–	–	–	24%	–	–	–	–	66%	–	11%
				–	–	–	–	–	–	28%	–	–	–	53%	–	19%
Public Policy Polling^[88]	Sep 22–25	–	–	–	–	15%	–	–	–	–	–	–	–	68%	–	17%
				–	–	–	–	–	18%	–	–	–	–	68%	–	13%
				–	–	–	–	–	–	21%	–	–	–	59%	–	21%
Fabrizio Lee^[89]	Aug 2017	1,500	± 2.5%	–	1%	13%	–	–	10%	–	–	–	1%	54%	–	20%
Public Policy Polling^[90]	Aug 18–21	–	–	–	–	22%	–	–	–	–	–	–	–	62%	–	17%
				–	–	–	–	–	21%	–	–	–	–	68%	–	11%
				–	–	–	–	–	–	24%	–	–	–	52%	–	23%
Opinion Savvy^[91]	Aug 16–17	220	± 6.6%	–	–	8%	–	–	17%	–	–	–	–	68%	–	7%
Opinion Savvy^[91]	Aug 16–17	221	± 6.6%	–	–	12%	–	–	15%	65%	–	–	–	–	–	8%
Marist College^[92]	Aug 8–12	361	± 5.2%	–	–	–	–	–	23%	–	–	–	–	64%	–	10%
Marist College^[92]	Aug 8–12	361	± 5.2%	–	–	–	–	–	–	33%	–	–	–	56%	–	8%

Poll source	Date(s) administered	Sample size^[b]	Margin of error	Donald Trump	Other	Undecided
Rasmussen Reports^[93]	May 10–11, 2020	< 1000 (LV)^[o]	–	70%	23%^[p]	7%
Morning Consult/Politico^[94]	Feb 28 - Mar 1 2020	718 (LV)	–	91%	7%	2%
Morning Consult/Politico^[95]	Jan 4–5, 2020	700 (RV)	–	87%	10%	3%
ABC News/Washington Post^[96]	Oct 27–30	388 (A)	±6%	67%	30%	3%
FOX News^[76]	Oct 27–30	388 (A)	±6%	78%	15%	7%
FOX News^[97]	Oct 6–8	367-376(LV)	±6%	77%	17%	6%
Morning Consult^[98]	Jun 29 – Jul 1	483	± 4.0%	83%	15%	3%
Morning Consult^[99]	Jun 29 – Jul 1	541	± 4.0%	83%	15%	2%
Morning Consult^[100]	Jun 21–24	698	± 4.0%	87%	12%	1%
Morning Consult^[101]	Jun 20–23	639	± 4.0%	87%	10%	3%
Morning Consult^[102]	Jun 14–16	693	± 4.0%	86%	13%	2%
Morning Consult^[103]	Jun 7–9	659	± 4.0%	84%	13%	3%
Morning Consult^[104]	May 31 – Jun 2	672	± 4.0%	83%	14%	3%
Change Research^[60]	May 18–21	1,248	± 2.8%	95%	4%	–
Morning Consult^[105]	May 10–12	695	± 4.0%	84%	15%	3%
Morning Consult^[106]	May 3–6	680	± 4.0%	85%	13%	2%
Morning Consult^[107]	Apr 28–29	692	± 4.0%	84%	13%	2%
Morning Consult^[108]	Apr 19–21	641	± 4.0%	79%	18%	4%
Morning Consult^[109]	Apr 12–14	367	–	83%	15%	2%
Morning Consult^[109]	Apr 12–14	358	–	82%	15%	3%
Morning Consult^[110]	Apr 1–7	11,986	± 1.0%	76%	20%	–
Morning Consult^[111]	Mar 25–31	11,549	± 1.0%	78%	20%	–
Morning Consult^[112]	Mar 18–24	12,090	± 1.0%	77%	19%	–
Morning Consult^[113]	Mar 11–17	11,542	± 1.0%	78%	20%	–
Morning Consult^[114]	Mar 4–10	13,682	± 1.0%	77%	20%	–
Morning Consult^[115]	Feb 25 – Mar 3	11,154	± 1.0%	77%	20%	–
Morning Consult^[116]	Feb 18–24	13,782	± 1.0%	77%	20%	–
Morning Consult^[117]	Feb 11–17	13,974	± 1.0%	77%	21%	–
Morning Consult^[118]	Feb 4–10	10,685	± 1.0%	77%	20%	–
	2019
Public Religion Research Institute^[119]	Sep 17 – Oct 1	927	–	66%	33%	1%
Saint Leo University^[120]	May 25–31	–	–	63%	24%	13%
USC Dornsife/LAT^[121]	Dec 15 – Jan 15	1,530	± 3.0%	75%	25%	–
Emerson College^[122]	Jan 8–11	198	–	68%	18%	14%
	2018
Public Policy Polling^[86]	Dec 11–12	–	–	70%	24%	6%
Public Religion Research Institute^[123]	Oct 18–30	846	–	59%	34%	7%
Public Policy Polling^[87]	Oct 27–29	–	–	57%	36%	8%
Public Policy Polling^[88]	Sep 22–25	–	–	61%	27%	12%
Public Policy Polling^[90]	Aug 18–21	–	–	57%	29%	13%

Poll source	Date(s) administered	Sample size^[b]	Margin of error	Michael Bloomberg	John Kasich	Donald Trump	Joe Walsh	Bill Weld	Other	Undecided
Iowa caucuses (first alignment vote)	Feb 3, 2020	–	–	–	–	97.1%	1.1%	1.3%	0.5%	–
Emerson College^[125]	Oct 13–16, 2019	286	–	–	–	93%	2%	4%	1%^[q]	–
	Aug 25	Walsh announceshis candidacy
	Apr 15	Weld announceshis candidacy (exploratory committee on Feb 15, 2019)
Emerson College^[126]	Mar 21–24, 2019	207	± 6.9%	8%	–	93%	–	–	–	–
Emerson College^[126]	Mar 21–24, 2019	207	± 6.9%	–	–	90%	–	10%	–	–
Emerson College^[127]	Jan 30 – Feb 2, 2019	280	–	–	10%	90%	–	–	–	–

Polling Aggregation
Source of poll aggregation	Date Updated	Dates polled	Donald Trump	Bill Weld	Joe Walsh	Undecided^[a]
270 to Win^[128]	Dec 11, 2019	Nov 26 - Dec 11, 2019	79.0%	11.0%	3.5%	6.5%

Poll source	Date(s) administered	Sample size^[b]	Margin of error	Rocky De La Fuente	Donald Trump	Joe Walsh	Bill Weld	Other	Undecided
New Hampshire primary (popular vote)	Feb 11, 2020	–	–	0.1%	84.4%	0.5%	9%	5.9%^[r]	–
Emerson College^[129]	Feb 8–9, 2020	500 (LV)	±4.3%	–	84%	–	16%	–	–
University of New Hampshire/CNN^[130]	Feb 6–9, 2020	212 (LV)	±6.7%	–	90%	No voters	7%	1%^[s]	1%
RKM Research and Communications Inc./Boston Herald/FPU/NBC10^[131]^[132]	Feb 5–8, 2020	440 (LV)	±4.7%	3%	71%	6%	8%	3%	11%
University of New Hampshire/CNN^[133]	Feb 5–8, 2020	227 (LV)	±6.5%	–	91%	No voters	5%	2%^[t]	2%
	Feb 7, 2020	Walsh withdraws from the race
University of New Hampshire/CNN^[134]	Feb 4–7, 2020	203 (LV)	±6.9%	–	91%	No voters	5%	2%^[t]	3%
Marist College/NBC News^[135]	Feb 4–6, 2020	441 (LV)	±5.8%	–	88%	1%	7%	1%	2%
	Feb 3, 2020	Iowa caucuses
RKM Research and Communications Inc./Boston Herald/FPU/NBC10^[136]^[137]	Jan 29-Feb 1, 2020	438 (LV)	± 4.7%	1%	72%	3%	7%	7%	10%
RKM Research & Communications Inc./Boston Herald/FPU/NBC10^[138]	Jan 23–26, 2020	407 (LV)	–	1%	72%	3%	7%	–	9%
Marist College/NBC News^[139]	Jan 20–23, 2020	450 (LV)	± 5.5%	–	87%	2%	8%	1%	2%
University of New Hampshire/CNN^[140]	Jan 16–23, 2020	394 (LV)	± 4.9%	–	90%	1%	4%	2%^[u]	3%
RKM Research and Communications Inc./Boston Herald/FPU/NBC10^[141]	Jan 8–12, 2020	402 (LV)	–	2%	79%	4%	4%	3%	3%
MassINC Polling Group/WBUR^[142]	Dec 3–8, 2019	365 (LV)	± 5.1%	–	74%	4%	9%	9%^[v]	4%^[n]
Emerson College^[143]	Nov 22–26, 2019	440 (LV)	–	–	84%	3%	13%	0%	–
University of New Hampshire/CNN^[144]	Oct 21–27, 2019	461 (LV)	± 4.6%	–	86%	1%	5%	4%^[w]	4%
RKM Research and Communications Inc./Boston Herald/FPU^[145]	Oct 9–13, 2019	405	± 4.9%	–	71%	5%	14%	3%^[x]	7%
RKM Research and Communications Inc./Franklin Pierce University/Boston Herald^[146]	Sep 4–10, 2019	414	–	–	88%	1%	3%	1%	7%
Emerson College^[147]	Sep 6–9, 2019	379	–	–	80%	7%	13%	–	–
	Aug 25, 2019	Walsh announceshis candidacy
University of New Hampshire Survey Center/CNN^[148]	Jul 8–15, 2019	289 (LV)	± 5.8%	–	86%	–	7%	2%	5%
	May 16, 2019	De La Fuente announceshis candidacy
Monmouth University^[149]	May 2–7, 2019	427	± 4.8%	–	72%	–	12%	1%	2%

Poll source	Date(s) administered	Sample size^[b]	Margin of error	Tom Cotton	Ted Cruz	Jeff Flake	Larry Hogan	John Kasich	Mike Pence	Mitt Romney	Marco Rubio	Donald Trump	Joe Walsh	Bill Weld	Other	Undecided
Suffolk University^[150]	Apr 25–28, 2019	394	± 4.9%	–	–	–	0%	9%	–	–	–	70%	–	8%	–	12%
Suffolk University^[150]	Apr 25–28, 2019	394	± 4.9%	–	–	–	–	–	–	–	–	72%	–	17%	–	10%
University of New Hampshire^[151]	Apr 10–18, 2019	208	± 6.8%	–	–	–	1%	10%	–	–	–	76%	–	5%	–	8%
	Apr 15	Weld announceshis candidacy (exploratory committee on Feb 15, 2019)
University of New Hampshire^[152]	Feb 18–26, 2019	218	± 6.6%	–	–	–	–	17%	–	–	–	68%	–	3%	–	12%
Emerson College^[153]	Feb 21–22, 2019	328	± 5.4%	–	–	–	–	–	–	–	–	82%	–	18%	–	–
Praecones Analytica^[154]	Jan 16–21, 2019	330	–	–	–	–	–	–	–	24%	–	70%	–	–	–	6%
Suffolk University^[155]	Apr 26–30, 2018	315	± 5.5%	–	–	15%	–	–	–	–	–	72%	–	–	–	13%
				–	–	–	–	23%	–	–	–	68%	–	–	–	8%
				–	–	–	–	–	–	28%	–	63%	–	–	–	9%
				–	–	–	–	–	–	–	23%	66%	–	–	–	11%
University of New Hampshire^[156]	Apr 13–22, 2018	202	± 6.8%	–	–	–	–	19%	–	–	–	67%	–	–	0%	14%
American Research Group^[157]	Mar 21–27, 2018	420	± 5.0%	–	–	4%	–	34%	–	–	–	51%	–	–	–	11%
				–	–	33%	–	–	–	–	–	49%	–	–	–	18%
				–	–	–	–	42%	–	–	–	48%	–	–	–	9%
				5%	7%	11%	–	36%	–	–	–	–	–	–	–	41%
American Research Group^[157]	Aug 4–6, 2017	600	± 4.0%	–	–	–	–	52%	–	–	–	40%	–	–	–	8%
American Research Group^[157]	Aug 4–6, 2017	600	± 4.0%	–	–	–	–	52%	27%	–	–	–	–	–	–	32%

Poll source	Date(s) administered	Sample size^[b]	Margin of error	Mark Sanford	Donald Trump	Joe Walsh	Bill Weld	Undecided
	Feb 7, 2020	Walsh withdraws from the race
	Nov 12, 2019	Sanford withdraws from the race
Emerson College^[162]	Oct 31–Nov 3, 2019	409 (LV)	–	2%	92%	3%	3%	–
	Sep 8, 2019	Sanford announceshis candidacy
	Sep 7, 2019	The Nevada Republican Party votes to cancel their caucus.
	Aug 25, 2019	Walsh announceshis candidacy
	Apr 15, 2019	Weld announceshis candidacy (exploratory committee on Feb 15, 2019)
Emerson College^[163]	Mar 28–30, 2019	263	± 6.1%	–	92%	–	8%	–

Poll source	Date(s) administered	Sample size^[b]	Margin of error	Mark Sanford	Donald Trump	Bill Weld	Joe Walsh	Other	Undecided
	Feb 7, 2020	Walsh withdraws from the race
CNN/SSRS^[168]	Dec 4–8, 2019	298 (LV)	± 6.7%	–	85%	3%	3%	2%^[y]	8%
	Nov 12, 2019	Sanford withdraws from the race
Emerson College^[169]	Sep 13–18, 2019	208 (LV)	–	6%	86%	4%	–	4%	-
	Sep 8, 2019	Sanford announceshis candidacy
	Aug 25, 2019	Walsh announceshis candidacy

Poll source	Date(s) administered	Sample size^[b]	Margin of error	Nikki Haley	John Kasich	Donald Trump	Bill Weld	Undecided
Change Research^[170]	May 25–28, 2019	989	± 3.1%	5%	–	86%	–	8%
				–	3%	90%	–	7%
				–	–	91%	3%	6%
	Apr 15, 2019	Weld announceshis candidacy (exploratory committee on Feb 15, 2019)
Change Research^[171]	Apr 6–9, 2019	853	–	5%	–	83%	–	12%
Change Research^[171]	Apr 6–9, 2019	853	–	–	4%	83%	–	14%

Poll source	Date(s) administered	Sample size^[b]	Margin of error	Donald Trump	Bill Weld	Undecided
Emerson College^[172]	Aug 16–19, 2019	339	± 5.3%	86%	14%	–
	Apr 15	Weld announceshis candidacy (exploratory committee on Feb 15, 2019)

Poll source	Date(s) administered	Sample size^[b]	Margin of error	Charlie Baker	Jeff Flake	John Kasich	Mike Pence	Mitt Romney	Paul Ryan	Donald Trump	Bill Weld	Other	Undecided
MassINC Polling Group/WBUR^[174]	Feb 23 - 26, 2020	374 (LV)	± 5.1%	–	–	–	–	–	–	83%	14%	2%^[z]	2%^[aa]
	Apr 15	Weld announceshis candidacy (exploratory committee on Feb 15, 2019)
Emerson College^[175]	Apr 4–7, 2019	183	± 7.2%	–	–	–	–	–	–	82%	18%	–	–
YouGov/UMass Amherst^[176]	Nov 7–14, 2018	227	–	30%	1%	3%	–	7%	2%	40%	–	–	16%
YouGov/UMass Amherst^[176]	Nov 7–14, 2018	225	–	33%	1%	7%	26%	8%	2%	–	–	–	22%

Poll source	Date(s) administered	Sample size^[b]	Margin of error	Donald Trump	Joe Walsh	Bill Weld	Other	Undecided
High Point University^[177]	Feb 21 – 28, 2020	246 (LV)	–	91%	4%	3%	–	2%^[ab]
Marist College^[178]	Feb 23 – 27, 2020	410 (LV)	± 5.4%	93%	–	6%	<1%	1%
Meredith College^[179]	Feb 16 – 24, 2020	353 (LV)	–	85%	3.1%	2%	0.9%^[ac]	9.1%^[ad]
SurveyUSA^[180]	Feb 13 – 16, 2020	501 (LV)	± 3%	91%	–	5%	–	5%
	Feb 7, 2020	Walsh withdraws from the race
High Point University^[181]	Jan 31 – Feb 6, 2020	198 (LV)	–	91%	4%	1%	–	4%
	Aug 25, 2019	Walsh announceshis candidacy
Emerson College^[182]	May 31 – Jun 3, 2019	336	–	88%	–	12%	–	–

Poll source	Date(s) administered	Sample size^[b]	Margin of error	Mark Sanford	Donald Trump	Joe Walsh	Bill Weld	Other	Undecided
Marist College^[184]	Feb 21 - 27, 2020	621 (LV)	±5.1%	–	94%	–	4%	<1%	2%
University of Texas at Tyler/DMN^[185]	Feb 17 - 26, 2020	567 (LV)	± 4.12%	–	86%	–	6%	–	8%
	Feb 7, 2020	Walsh withdraws from the race
University of Texas at St Tyler/Dallas News^[186]	Jan 21–30, 2020	445 (LV)	± 4.65%	–	88%	4%	2%	–	6%
CNN/SSRS^[187]	Dec 4–8, 2019	537 (LV)	± 5%	–	86%	4%	3%	2%^[y]	4%
University of Texas at Tyler^[188]	Nov 5–14, 2019	597 (RV)	-	4%	78%	1%	1%	–	–
	Nov 12, 2019	Sanford withdraws from the race
	Sep 8, 2019	Sanford announceshis candidacy
	Aug 25, 2019	Walsh announceshis candidacy
Emerson College^[189]	Aug 1–3, 2019	482	–	–	90%	–	10%	–	–
Emerson College^[190]	Apr 25–28, 2019	344	± 5.3%	–	87%	–	13%	–	–

Poll source	Date(s) administered	Sample size^[b]	Margin of error	Donald Trump	Other	Undecided
Dan Jones & Associates/Salt Lake Chamber of Commerce^[191]	October 3–10, 2019	600 (LV)	± 4%	75%	22%^[ae]	–
Dan Jones & Associates/Salt Lake Chamber of Commerce^[192]	June 11 – July 1, 2019	801 (LV)	–	70%	28%^[ae]	–

Movatterモバイル変換

Background

National polling

From February 2020

From December 2019 to January 2020

June 2019 to November 2019

November 2018 to May 2019

Before November 2018

Against unnamed primary challenger

Statewide polling

Iowa caucus

New Hampshire primary

Since July 2019

Before May 2019

Nevada caucus

South Carolina primary

California primary

Colorado primary

Massachusetts primary

North Carolina primary

Texas primary

Utah primary

Vermont primary

Wyoming caucuses

Michigan primary

Illinois primary

Ohio primary

Florida primary

Wisconsin primary

Arizona primary

Delaware primary

Maryland primary

Pennsylvania primary

Montana primary

New Jersey primary

New Mexico primary

See also

Notes

References

External links

Poll source	Date(s) administered	Sample size^[b]	Margin of error	Mark Sanford	Donald Trump	Joe Walsh	Bill Weld	Undecided
YouGov/University of Wisconsin-Madison^[195]	Feb 11 – 20, 2020	426 (LV)	–	–	97%	0%	1%	2%
	Feb 7, 2020	Walsh withdraws from the race
	Nov 12, 2019	Sanford withdraws from the race
Emerson College^[196]	Oct 31–Nov 3, 2019			2%	92%	3%	3%	-
	Sep 8, 2019	Sanford announceshis candidacy
	Aug 25, 2019	Walsh announceshis candidacy
	Apr 15, 2019	Weld announceshis candidacy (exploratory committee on Feb 15, 2019)
Emerson College^[197]	Mar 7–10, 2019	306	± 5.6%	-	89%	-	11%	–

Poll source	Date(s) administered	Sample size^[b]	Margin of error	Larry Hogan	John Kasich	Mark Sanford	Donald Trump	Marco Rubio	Joe Walsh	Bill Weld	Undecided
FAU-BEPI^[201][5]	Mar 5 – 7, 2020	409 (LV)	± 4.8%	–	–	–	92.6%	–	–	3.8%	3.5%
	Feb 7, 2020	Walsh withdraws from the race
Florida Atlantic University^[202]	Jan 9 – 12, 2020	488 (LV)	± 4.4%	–	–	–	80%	–	14%	5%	–
	Nov 12, 2019	Sanford withdraws from the race
Florida Atlantic University^[203]	Sep 12–15, 2019	355	± 5.2%	–	–	8%	85%	–	5%	2%	–
	Sep 8, 2019	Sanford announceshis candidacy
	Aug 25, 2019	Walsh announceshis candidacy
Florida Atlantic University^[204]	May 16–19, 2019	394	± 4.9%	0%	2%	–	85%	5%	–	1%	7%
	Apr 15, 2019	Weld announceshis candidacy (exploratory committee on Feb 15, 2019)

Poll source	Date(s) administered	Sample size^[b]	Margin of error	Donald Trump	Bill Weld	Other	Undecided
YouGov/University of Wisconsin-Madison^[195]	Feb 11 – 20, 2020	348 (LV)	–	93%	0%	0%^[ai]	7%
	Apr 15	Weld announceshis candidacy (exploratory committee on Feb 15, 2019)
Emerson College^[205]	Mar 15–17, 2019	293	–	89%	11%	–	–

Poll source	Date(s) administered	Sample size^[b]	Margin of error	Donald Trump	Joe Walsh	Bill Weld	Undecided
	Mar 18, 2020	Weld withdraws from the race
YouGov/University of Wisconsin-Madison^[195]	Feb 11 – 20, 2020	462 (LV)	–	87%	2%	2%	8%
	Feb 7, 2020	Walsh withdraws from the race
	Aug 25, 2019	Walsh announceshis candidacy
	Apr 15	Weld announceshis candidacy (exploratory committee on Feb 15, 2019)
Emerson College^[210]	Mar 26–28, 2019	311	± 5.5%	90%	–	10%	–

Poll source	Date(s) administered	Sample size^[b]	Margin of error	Donald Trump	Joe Walsh	Bill Weld	Undecided
	Feb 7, 2020	Walsh withdraws from the race
Emerson College^[212]	Jan 16–19, 2020	197 (LV)	± 6.9%	93%	4%	4%	–

Poll source	Date(s) administered	Sample size^[b]	Margin of error	Donald Trump	Joe Walsh	Bill Weld	Undecided
	Feb 7, 2020	Walsh withdraws from the race
Emerson College^[213]	Jan 3–6, 2020	322 (LV)	–	87%	8%	5%	–