| Area polled | Segment polled | Polling group | Date | Approve | Disapprove | Unsure | Sample size | Polling method | Source |
 Virginia | Registered voters | Wason Center for Public Policy | February 5–28, 2018 | 37% | 60% | 3% | 1,562 | telephone | |
 United States | All adults | YouGov | February 25–27, 2018 | 40% | 51% | 9% | 1,500 | online | |
| United States | All adults | Ipsos | February 23–27, 2018 | 40% | 56% | 4% | 1,651 | online | |
 Florida | Registered voters | Quinnipiac University | February 23–26, 2018 | 42% | 54% | 4% | 1,156 | telephone | |
 Illinois | Registered voters | Paul Simon Public Policy Institute | February 19–25, 2018 | 36% | 62% | 1% | 1,001 | telephone | |
 North Carolina | All adults | High Point University | February 19–25, 2018 | 38% | 51% | 11% | 513 | telephone | |
| United States | Registered voters | Suffolk University/USA Today | February 20–24, 2018 | 38% | 60% | 3% | 1,000 | telephone | |
| United States | All adults | CNN | February 20–23, 2018 | 35% | 58% | 7% | 1,016 | telephone | |
| United States | All adults | Marist | February 20–21, 2018 | 38% | 54% | 9% | 1,026 | telephone | |
| United States | All adults | YouGov | February 18–20, 2018 | 41% | 48% | 11% | 1,500 | online | |
| United States | All adults | American Research Group | February 17–20, 2018 | 36% | 60% | 4% | 1,100 | telephone | |
| United States | All adults | Ipsos | February 16–20, 2018 | 40% | 55% | 6% | 1,104 | online | |
| United States | All adults | Kaiser Family Foundation | February 15–20, 2018 | 39% | 56% | 5% | 1,193 | telephone | |
| United States | Registered voters | Quinnipiac University | February 16–19, 2018 | 37% | 58% | 5% | 1,249 | telephone | |
| United States | All adults | Associated Press/NORC at the University of Chicago | February 15–19, 2018 | 35% | 64% | --- | 1,337 | telephone and online | |
| United States | All adults | Gallup | February 12–18, 2018 | 37% | 59% | --- | 1,500 | telephone | |
| Florida | Registered voters | Gravis Marketing | February 1–18, 2018 | 41% | 49% | 10% | 1,978 | telephone and online | |
 Maryland | All adults | Goucher College | February 12–17, 2018 | 27% | 68% | 4% | 800 | telephone | |
| United States | All adults | SurveyMonkey | February 8–14, 2018 | 43% | 55% | 2% | 13,293 | online | |
| United States | All adults | YouGov | February 11–13, 2018 | 41% | 51% | 8% | 1,500 | online | |
| United States | Registered voters | Fox News | February 10–13, 2018 | 43% | 53% | 3% | 1,005 | telephone | |
| United States | All adults | Ipsos | February 9–13, 2018 | 39% | 54% | 6% | 1,515 | online | |
| United States | All adults | Pew Research Center | January 29 – February 13, 2018 | 38% | 60% | 2% | 4,656 | telephone and online | |
 New York | Registered voters | Quinnipiac University | February 9–12, 2018 | 30% | 65% | 4% | 1,038 | telephone | |
 Texas | Registered voters | YouGov | February 1–12, 2018 | 46% | 46% | 8% | 1,200 | online | |
| United States | Registered voters | Public Policy Polling | February 9–11, 2018 | 44% | 50% | 6% | 687 | telephone and online | |
| North Carolina | All adults | High Point University | February 5–11, 2018 | 38% | 50% | 12% | 439 | telephone | |
| United States | All adults | Gallup | February 5–11, 2018 | 40% | 57% | --- | 1,500 | telephone | |
 New Hampshire | All adults | University of New Hampshire | January 28 – February 10, 2018 | 35% | 59% | 7% | 523 | telephone | |
| United States | Likely voters | McLaughlin & Associates | February 5–9, 2018 | 46% | 52% | 2% | 1,000 | online | |
| United States | All adults | Marist | February 5–7, 2018 | 38% | 54% | 7% | 1,012 | telephone | |
| United States | All adults | YouGov | February 4–6, 2018 | 40% | 52% | 9% | 1,500 | online | |
| United States | Registered voters | Quinnipiac University | February 2–5, 2018 | 40% | 55% | 5% | 1,333 | telephone | |
| Florida | Registered voters | Florida Atlantic University | February 1–4, 2018 | 41% | 44% | 15% | 750 | telephone and online | |
| Florida | Registered voters | University of North Florida | January 29 – February 4, 2018 | 43% | 53% | 2% | 619 | telephone | |
| United States | All adults | Gallup | January 29 – February 4, 2018 | 40% | 57% | --- | 1,500 | telephone | |
| United States | All adults | Investor's Business Daily | January 25 – February 2, 2018 | 35% | 58% | 1% | 900 | telephone | |
| United States | All adults | SurveyMonkey | January 30 – February 1, 2018 | 45% | 53% | 2% | 4,425 | online | |
| Area polled | Segment polled | Polling group | Date | Approve | Disapprove | Unsure | Sample size | Polling method | Source |
 Iowa | All adults | The Des Moines Register/Mediacom | January 28–31, 2018 | 44% | 51% | 5% | 801 | telephone | |
| United States | All adults | SurveyMonkey | January 25–31, 2018 | 44% | 55% | 1% | 16,564 | online | |
| United States | All adults | Monmouth University | January 28–30, 2018 | 42% | 50% | 8% | 806 | telephone | |
| United States | All adults | YouGov | January 28–30, 2018 | 39% | 51% | 10% | 1,500 | online | |
| United States | All adults | Ipsos | January 26–30, 2018 | 41% | 53% | 6% | 1,856 | online | |
 California | Likely voters | Public Policy Institute of California | January 21–30, 2018 | 32% | 67% | 1% | 1,038 | telephone | |
 New Jersey | All adults | Fairleigh Dickinson University | January 24–28, 2018 | 31% | 60% | 8% | 810 | telephone | |
| North Carolina | Registered voters | Meredith College | January 21–25, 2018 | 49% | 48% | 2% | 621 | telephone and online | |
| United States | Registered voters | Fox News | January 21–23, 2018 | 45% | 53% | 2% | 1,002 | telephone | |
| United States | All adults | YouGov | January 21–23, 2018 | 39% | 52% | 9% | 1,500 | online | |
| United States | Registered voters | Quinnipiac University | January 19–23, 2018 | 36% | 58% | 6% | 1,245 | telephone | |
| United States | All adults | SurveyMonkey | January 20–22, 2018 | 41% | 58% | 1% | 3,450 | online | |
| United States | Registered voters | Public Policy Polling | January 20–21, 2018 | 40% | 56% | 4% | 996 | telephone | |
| North Carolina | Registered voters | Public Policy Polling | January 19–21, 2018 | 42% | 50% | 8% | 839 | telephone and online | |
| United States | All adults | Kaiser Family Foundation | January 16–21, 2018 | 38% | 58% | 3% | 1,215 | telephone | |
| United States | All adults | American Research Group | January 17–20, 2018 | 35% | 60% | 5% | 1,100 | telephone | |
| United States | Registered voters | Harvard University/The Harris Poll | January 17–19, 2018 | 44% | 56% | --- | 980 | online | |
 Michigan | Likely voters | The Detroit News/WDIV Local 4 | January 16–19, 2018 | 40% | 54% | 6% | 600 | telephone | |
| United States | All adults | ABC News/The Washington Post | January 15–18, 2018 | 36% | 58% | 5% | 1,005 | telephone | |
 Utah | Registered voters | The Salt Lake Tribune/Hinckley Institute of Politics | January 15–18, 2018 | 48% | 49% | --- | 803 | telephone | |
| United States | All adults | CNN | January 14–18, 2018 | 40% | 55% | 5% | 1,005 | telephone | |
| United States | All adults | NBC News/The Wall Street Journal | January 13–17, 2018 | 39% | 57% | 4% | 900 | telephone | |
| United States | All adults | SurveyMonkey | January 4–17, 2018 | 42% | 56% | 2% | 13,363 | online | |
| United States | All adults | YouGov | January 14–16, 2018 | 42% | 52% | 6% | 1,500 | online | |
| United States | All adults | CBS News | January 13–16, 2018 | 37% | 58% | 5% | 1,225 | telephone | |
| United States | Registered voters | Harvard University/The Harris Poll | January 13–16, 2018 | 42% | 58% | --- | 1,962 | online | |
| United States | Registered voters | Quinnipiac University | January 12–16, 2018 | 38% | 57% | 5% | 1,212 | telephone | |
| United States | All adults | Ipsos | January 12–16, 2018 | 39% | 56% | 5% | 1,638 | online | |
| United States | Registered voters | Morning Consult | January 11–16, 2018 | 45% | 50% | 5% | 1,993 | online | |
| United States | Likely voters | Zogby Analytics | January 12–15, 2018 | 46% | 51% | 4% | 847 | online | |
| United States | All adults | Pew Research Center | January 10–15, 2018 | 37% | 56% | 5% | 1,503 | telephone | |
| United States | All adults | Los Angeles Times/USC Dornsife | December 15, 2017 – January 15, 2018 | 32% | 55% | --- | 3,862 | online | |
| United States | All adults | Gallup | January 8–14, 2018 | 38% | 57% | --- | 1,500 | telephone | |
| United States | Registered voters | Emerson College | January 8–11, 2018 | 39% | 52% | 10% | 600 | telephone and online | |
| United States | Likely voters | McLaughlin & Associates | January 5–11, 2018 | 46% | 53% | 1% | 1,000 | online | |
| United States | All adults | NPR/PBS NewsHour/Marist | January 8–10, 2018 | 37% | 53% | 10% | 1,350 | telephone | |
 Minnesota | Registered voters | Star Tribune | January 8–10, 2018 | 45% | 47% | 8% | 800 | telephone | |
 Georgia | Registered voters | The Atlanta Journal-Constitution | January 3–5 and 7–10, 2018 | 37% | 59% | 5% | 940 | telephone | |
| United States | All adults | Investor's Business Daily | January 2–10, 2018 | 35% | 58% | 1% | 901 | telephone | |
| United States | All adults | YouGov | January 8–9, 2018 | 38% | 51% | 10% | 1,500 | online | |
 Missouri | Registered voters | Public Policy Polling | January 8–9, 2018 | 48% | 47% | 5% | 965 | telephone and online | |
| United States | All adults | Ipsos | January 5–9, 2018 | 41% | 55% | 4% | 1,616 | online | |
| United States | Registered voters | Quinnipiac University | January 5–9, 2018 | 36% | 59% | 5% | 1,106 | telephone | |
 Massachusetts | Registered voters | WBUR | January 5–7, 2018 | 29% | 65% | 5% | 504 | telephone | |
| United States | All adults | Gallup | January 2–7, 2018 | 37% | 58% | --- | 1,500 | telephone | |
| United States | Registered voters | Morning Consult | January 4–5, 2018 | 44% | 51% | 5% | 1,988 | online | |
| Maryland | Registered voters | Gonzales Research | December 27, 2017 – January 5, 2018 | 36% | 60% | 4% | 823 | telephone | |
| Iowa | Registered voters | Public Policy Polling | January 3–4, 2018 | 44% | 51% | 5% | 664 | telephone | |
| Missouri | Likely voters | Remington Research Group | January 3–4, 2018 | 50% | 44% | 6% | 1,122 | telephone | |
| United States | All adults | SurveyMonkey | December 28, 2017 – January 3, 2018 | 44% | 54% | 2% | 12,238 | online | |
| United States | All adults | YouGov | December 31, 2017 – January 2, 2018 | 38% | 52% | 9% | 1,500 | online | |
| United States | All adults | Ipsos | December 29, 2017 – January 2, 2018 | 41% | 54% | 5% | 1,770 | online | |
