Plaid Cymru
Voting Intentions
Last result: 0.5% (General Election of 8 June 2017)
Confidence Intervals
| Period | Polling firm/Commissioner(s) | Median | 80% Confidence Interval | 90% Confidence Interval | 95% Confidence Interval | 99% Confidence Interval |
|---|---|---|---|---|---|---|
| N/A | Poll Average | 0.3% | 0.2–1.1% | 0.1–1.3% | 0.1–1.4% | 0.1–1.7% |
| 10–11 December 2019 | Survation | 1.0% | 0.8–1.3% | 0.7–1.4% | 0.7–1.5% | 0.6–1.7% |
| 10–11 December 2019 | Panelbase | 0.3% | 0.2–0.4% | 0.1–0.5% | 0.1–0.5% | 0.1–0.6% |
| 10–11 December 2019 | Opinium | 0.3% | 0.2–0.4% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% |
| 9–11 December 2019 | Kantar Public | 0.2% | 0.2–0.4% | 0.1–0.5% | 0.1–0.5% | 0.1–0.6% |
| 9–11 December 2019 | Ipsos MORI Evening Standard |
0.0% | N/A | N/A | N/A | N/A |
| 9–11 December 2019 | Deltapoll | 0.2% | 0.1–0.4% | 0.1–0.5% | 0.1–0.6% | 0.0–0.7% |
| 6–11 December 2019 | BMG Research | 0.0% | N/A | N/A | N/A | N/A |
| 8–10 December 2019 | Number Cruncher Politics Bloomberg |
1.0% | 0.7–1.5% | 0.6–1.7% | 0.5–1.8% | 0.4–2.1% |
| 9–10 December 2019 | ComRes Daily Telegraph |
0.0% | N/A | N/A | N/A | N/A |
| 6–9 December 2019 | ICM Research | 0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 5–8 December 2019 | Qriously | 0.0% | N/A | N/A | N/A | N/A |
| 6–8 December 2019 | ComRes Remain United |
0.2% | 0.2–0.4% | 0.2–0.4% | 0.1–0.4% | 0.1–0.5% |
| 5–7 December 2019 | Survation Good Morning Britain |
1.0% | 0.7–1.5% | 0.6–1.7% | 0.5–1.8% | 0.4–2.1% |
| 5–7 December 2019 | Deltapoll The Mail on Sunday |
0.3% | 0.2–0.5% | 0.1–0.6% | 0.1–0.7% | 0.1–0.8% |
| 5–6 December 2019 | YouGov The Sunday Times |
0.2% | 0.1–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.8% |
| 4–6 December 2019 | Panelbase | 1.0% | 0.7–1.3% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 4–6 December 2019 | Opinium The Observer |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 4–6 December 2019 | BMG Research The Independent |
0.3% | 0.2–0.5% | 0.1–0.6% | 0.1–0.7% | 0.1–0.8% |
| 4–5 December 2019 | ComRes The Sunday Telegraph |
0.0% | N/A | N/A | N/A | N/A |
| 2–4 December 2019 | Ipsos MORI Evening Standard |
1.0% | 0.7–1.4% | 0.6–1.5% | 0.6–1.6% | 0.5–1.8% |
| 2–3 December 2019 | YouGov The Times and Sky News |
0.2% | 0.1–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 2–3 December 2019 | ComRes Daily Telegraph |
0.0% | N/A | N/A | N/A | N/A |
| 28 November–2 December 2019 | Kantar Public | 1.0% | 0.7–1.5% | 0.6–1.7% | 0.6–1.8% | 0.4–2.1% |
| 29 November–2 December 2019 | ICM Research | 0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 26–30 November 2019 | Survation Good Morning Britain |
1.0% | 0.7–1.6% | 0.6–1.7% | 0.6–1.8% | 0.5–2.1% |
| 28–30 November 2019 | Deltapoll The Mail on Sunday |
0.3% | 0.2–0.5% | 0.1–0.6% | 0.1–0.7% | 0.1–0.8% |
| 28–29 November 2019 | YouGov The Sunday Times |
0.2% | 0.1–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.8% |
| 27–29 November 2019 | Opinium The Observer |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 27–28 November 2019 | Panelbase | 0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 27–28 November 2019 | ComRes The Sunday Telegraph |
0.0% | N/A | N/A | N/A | N/A |
| 26–27 November 2019 | BMG Research The Independent |
0.2% | 0.1–0.5% | 0.1–0.6% | 0.1–0.6% | 0.1–0.8% |
| 25–26 November 2019 | YouGov The Times and Sky News |
0.2% | 0.1–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.8% |
| 25–26 November 2019 | ComRes Daily Telegraph |
0.0% | N/A | N/A | N/A | N/A |
| 21–25 November 2019 | Kantar Public | 0.3% | 0.2–0.6% | 0.1–0.7% | 0.1–0.8% | 0.1–1.0% |
| 22–25 November 2019 | ICM Research | 1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 20–23 November 2019 | Survation Good Morning Britain |
1.0% | 0.7–1.5% | 0.6–1.7% | 0.5–1.8% | 0.4–2.1% |
| 21–23 November 2019 | Deltapoll The Mail on Sunday |
0.3% | 0.2–0.5% | 0.1–0.6% | 0.1–0.7% | 0.1–0.8% |
| 21–22 November 2019 | YouGov The Sunday Times |
0.2% | 0.1–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.8% |
| 20–22 November 2019 | Panelbase | 1.0% | 0.7–1.3% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 20–22 November 2019 | Opinium The Observer |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 20–21 November 2019 | ComRes The Sunday Express |
0.0% | N/A | N/A | N/A | N/A |
| 19–21 November 2019 | BMG Research | 0.2% | 0.1–0.5% | 0.1–0.6% | 0.1–0.6% | 0.1–0.8% |
| 12–20 November 2019 | YouGov | 1.0% | 0.9–1.1% | 0.8–1.2% | 0.8–1.2% | 0.8–1.3% |
| 18–19 November 2019 | YouGov The Times |
0.2% | 0.1–0.5% | 0.1–0.6% | 0.1–0.6% | 0.1–0.8% |
| 15–19 November 2019 | Ipsos MORI Evening Standard |
1.0% | 0.7–1.5% | 0.6–1.6% | 0.5–1.7% | 0.4–2.0% |
| 18–19 November 2019 | ComRes Daily Telegraph |
0.0% | N/A | N/A | N/A | N/A |
| 14–18 November 2019 | Kantar Public | 1.0% | 0.7–1.5% | 0.6–1.7% | 0.6–1.8% | 0.5–2.0% |
| 15–18 November 2019 | ICM Research | 0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 14–16 November 2019 | Survation | 1.0% | 0.7–1.5% | 0.6–1.7% | 0.5–1.8% | 0.4–2.1% |
| 10–16 November 2019 | Deltapoll The Mail on Sunday |
0.0% | N/A | N/A | N/A | N/A |
| 14–15 November 2019 | YouGov The Sunday Times |
0.2% | 0.1–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.8% |
| 13–15 November 2019 | Opinium The Observer |
1.0% | 0.8–1.3% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 9–15 November 2019 | BMG Research | 0.0% | N/A | N/A | N/A | N/A |
| 13–14 November 2019 | Panelbase | 0.0% | N/A | N/A | N/A | N/A |
| 13–14 November 2019 | ComRes The Sunday Telegraph |
0.0% | N/A | N/A | N/A | N/A |
| 11–12 November 2019 | YouGov The Times and Sky News |
1.0% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 11–12 November 2019 | ComRes Daily Telegraph |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 7–11 November 2019 | Kantar Public | 1.0% | 0.7–1.5% | 0.7–1.7% | 0.6–1.8% | 0.5–2.1% |
| 8–11 November 2019 | ICM Research | 1.0% | 0.7–1.3% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 8–10 November 2019 | ComRes Britain Elects |
0.0% | N/A | N/A | N/A | N/A |
| 6–9 November 2019 | Deltapoll The Mail on Sunday |
0.3% | 0.2–0.5% | 0.1–0.6% | 0.1–0.7% | 0.1–0.8% |
| 7–8 November 2019 | YouGov The Sunday Times and Sky News |
1.0% | 0.8–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 6–8 November 2019 | Survation | 1.0% | 0.7–1.3% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 6–8 November 2019 | Panelbase | 0.0% | N/A | N/A | N/A | N/A |
| 6–8 November 2019 | Opinium The Observer |
1.0% | 0.8–1.4% | 0.7–1.5% | 0.6–1.5% | 0.5–1.7% |
| 5–8 November 2019 | BMG Research The Independent |
0.3% | 0.2–0.5% | 0.1–0.6% | 0.1–0.7% | 0.1–0.8% |
| 5–6 November 2019 | YouGov The Times and Sky News |
1.0% | 0.8–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 30 October–5 November 2019 | ComRes Remain United |
1.0% | 0.8–1.2% | 0.8–1.2% | 0.8–1.3% | 0.7–1.4% |
| 1–4 November 2019 | YouGov The Times |
1.0% | 0.8–1.3% | 0.8–1.3% | 0.7–1.4% | 0.6–1.6% |
| 1–4 November 2019 | ICM Research Reuters |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 31 October–2 November 2019 | Deltapoll The Mail on Sunday |
1.0% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.9% |
| 30 October–1 November 2019 | YouGov The Sunday Times |
1.0% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 30 October–1 November 2019 | Opinium The Observer |
1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 30–31 October 2019 | Panelbase | 1.0% | 0.7–1.5% | 0.6–1.7% | 0.5–1.8% | 0.4–2.1% |
| 30–31 October 2019 | ORB The Telegraph |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 30–31 October 2019 | ComRes Sunday Express |
0.3% | 0.2–0.5% | 0.1–0.6% | 0.1–0.7% | 0.1–0.8% |
| 29–30 October 2019 | YouGov The Times |
0.2% | 0.1–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 29–30 October 2019 | Survation | 1.0% | 0.7–1.5% | 0.6–1.7% | 0.5–1.8% | 0.4–2.1% |
| 17–28 October 2019 | YouGov | 1.0% | 0.9–1.1% | 0.8–1.2% | 0.8–1.2% | 0.8–1.2% |
| 25–28 October 2019 | Ipsos MORI | 1.0% | 0.7–1.5% | 0.6–1.7% | 0.5–1.8% | 0.4–2.1% |
| 24–25 October 2019 | YouGov | 1.0% | 0.8–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 23–25 October 2019 | Opinium The Observer |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 20–21 October 2019 | YouGov The Times |
1.0% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 18–21 October 2019 | Deltapoll | 1.0% | 0.8–1.3% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 17–18 October 2019 | Survation Daily Mail |
1.0% | 0.7–1.5% | 0.6–1.7% | 0.5–1.8% | 0.4–2.1% |
| 17–18 October 2019 | Panelbase | 0.3% | 0.2–0.7% | 0.1–0.8% | 0.1–0.9% | 0.1–1.1% |
| 15–17 October 2019 | Opinium The Observer |
1.0% | 0.8–1.4% | 0.7–1.5% | 0.6–1.5% | 0.5–1.7% |
| 16–17 October 2019 | ComRes Britain Elects |
1.0% | 0.7–1.3% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 14–15 October 2019 | YouGov The Times |
1.0% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 10–15 October 2019 | Kantar Public | 1.0% | 0.7–1.5% | 0.6–1.6% | 0.6–1.8% | 0.5–2.0% |
| 9–11 October 2019 | Panelbase The Sunday Times |
0.0% | N/A | N/A | N/A | N/A |
| 9–10 October 2019 | ComRes Daily Express |
0.0% | N/A | N/A | N/A | N/A |
| 8–9 October 2019 | YouGov The Times |
1.0% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 4–6 October 2019 | ComRes Daily Telegraph |
1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 3–4 October 2019 | Opinium The Observer |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 1–4 October 2019 | BMG Research The Independent |
1.0% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.9% |
| 30 September–1 October 2019 | YouGov The Times |
1.0% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 26–27 September 2019 | YouGov The Sunday Times |
1.0% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 25–27 September 2019 | Opinium The Observer |
1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 24–25 September 2019 | YouGov The Times |
1.0% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 25 September 2019 | Survation Daily Mail |
0.0% | N/A | N/A | N/A | N/A |
| 24 September 2019 | ComRes Daily Telegraph |
1.1% | 0.8–1.6% | 0.7–1.8% | 0.6–1.9% | 0.5–2.2% |
| 19–20 September 2019 | YouGov People’s Vote |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 19–20 September 2019 | Opinium The Observer |
1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 18–19 September 2019 | ComRes Britain Elects |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 17–18 September 2019 | YouGov The Times |
1.0% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 13–16 September 2019 | Ipsos MORI Evening Standard |
0.6% | 0.4–1.1% | 0.3–1.2% | 0.3–1.3% | 0.2–1.6% |
| 12–15 September 2019 | ComRes Sunday Express |
0.0% | N/A | N/A | N/A | N/A |
| 11–13 September 2019 | Opinium The Observer |
1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 9–10 September 2019 | YouGov The Times |
0.2% | 0.1–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.8% |
| 5–9 September 2019 | Kantar Public | 1.0% | 0.7–1.4% | 0.6–1.6% | 0.5–1.7% | 0.4–2.0% |
| 6–8 September 2019 | ComRes Daily Telegraph |
1.0% | 0.8–1.3% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 5–7 September 2019 | Deltapoll The Sun on Sunday |
1.0% | 0.7–1.3% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 5–6 September 2019 | YouGov The Sunday Times |
0.2% | 0.1–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.8% |
| 5–6 September 2019 | Survation Daily Mail |
1.0% | 0.7–1.5% | 0.6–1.7% | 0.5–1.8% | 0.4–2.1% |
| 5–6 September 2019 | Panelbase | 0.3% | 0.2–0.7% | 0.1–0.8% | 0.1–0.9% | 0.1–1.1% |
| 4–6 September 2019 | Opinium The Observer |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 4–6 September 2019 | ComRes Britain Elects |
1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 3–6 September 2019 | BMG Research The Independent |
0.3% | 0.2–0.5% | 0.1–0.6% | 0.1–0.7% | 0.1–0.8% |
| 3–4 September 2019 | Hanbury Strategy | 1.0% | 0.7–1.6% | 0.6–1.7% | 0.5–1.8% | 0.4–2.1% |
| 2–3 September 2019 | YouGov The Times |
1.0% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 29–31 August 2019 | Deltapoll The Mail on Sunday |
1.0% | 0.7–1.3% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 29–30 August 2019 | Survation Daily Mail |
1.0% | 0.7–1.5% | 0.6–1.7% | 0.5–1.8% | 0.4–2.1% |
| 28–29 August 2019 | YouGov | 1.0% | 0.7–1.3% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 27–28 August 2019 | YouGov The Times |
1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 22–23 August 2019 | YouGov The Sunday Times |
1.0% | 0.8–1.3% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 21–23 August 2019 | Opinium The Observer |
1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 20–21 August 2019 | YouGov The Times |
1.0% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 15–19 August 2019 | Kantar Public | 0.3% | 0.2–0.6% | 0.1–0.7% | 0.1–0.8% | 0.0–1.0% |
| 13–14 August 2019 | YouGov The Times |
1.0% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 7–12 August 2019 | BMG Research The Independent |
1.0% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 6–11 August 2019 | Survation | 0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 9–11 August 2019 | ComRes Daily Telegraph |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 8–9 August 2019 | Opinium The Observer |
1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 5–6 August 2019 | YouGov The Times |
0.2% | 0.1–0.5% | 0.1–0.6% | 0.1–0.6% | 0.1–0.8% |
| 29–30 July 2019 | YouGov The Times |
1.0% | 0.8–1.4% | 0.7–1.5% | 0.7–1.6% | 0.6–1.7% |
| 26–30 July 2019 | Ipsos MORI | 1.0% | 0.7–1.5% | 0.6–1.7% | 0.5–1.8% | 0.4–2.1% |
| 26–28 July 2019 | ComRes Britain Elects |
1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 25–27 July 2019 | Deltapoll The Mail on Sunday |
1.0% | 0.8–1.4% | 0.7–1.5% | 0.6–1.5% | 0.5–1.7% |
| 25–26 July 2019 | YouGov The Sunday Times |
1.0% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 24–26 July 2019 | Opinium The Observer |
1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 24–25 July 2019 | ComRes Sunday Express |
1.0% | 0.7–1.3% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 23–24 July 2019 | YouGov The Times |
1.0% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 16–17 July 2019 | YouGov The Times |
1.0% | 0.8–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 15–16 July 2019 | ComRes | 0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 10–11 July 2019 | Survation | 1.0% | 0.7–1.5% | 0.6–1.7% | 0.5–1.8% | 0.4–2.1% |
| 10–11 July 2019 | ComRes The Express |
1.0% | 0.8–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 9–10 July 2019 | YouGov The Times |
1.0% | 0.8–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 5–7 July 2019 | ComRes Daily Telegraph |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 3–5 July 2019 | Opinium The Observer |
1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 2–5 July 2019 | BMG Research The Independent |
1.0% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 2–3 July 2019 | YouGov The Times |
1.0% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 24–25 June 2019 | YouGov The Times |
1.0% | 0.8–1.4% | 0.7–1.5% | 0.7–1.6% | 0.6–1.8% |
| 21–25 June 2019 | Ipsos MORI | 1.1% | 0.7–1.6% | 0.7–1.8% | 0.6–1.9% | 0.5–2.2% |
| 19–20 June 2019 | Survation Daily Mail on Sunday |
1.0% | 0.8–1.3% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 19–20 June 2019 | Opinium The Observer |
1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 13–14 June 2019 | YouGov The Sunday Times |
1.0% | 0.8–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 9–10 June 2019 | YouGov The Times |
1.0% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 7–9 June 2019 | ComRes Daily Telegraph |
1.0% | 0.8–1.3% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 4–7 June 2019 | BMG Research The Independent |
1.0% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 4–6 June 2019 | YouGov The Times |
0.3% | 0.2–0.5% | 0.1–0.6% | 0.1–0.7% | 0.1–0.8% |
| 28–30 May 2019 | Opinium The Observer |
1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 29–30 May 2019 | Deltapoll The Mail on Sunday |
1.0% | 0.8–1.3% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% |
| 28–29 May 2019 | YouGov The Times |
0.9% | 0.6–1.2% | 0.6–1.3% | 0.5–1.4% | 0.4–1.6% |
| 23–24 May 2019 | Lord Ashcroft | 0.0% | N/A | N/A | N/A | N/A |
| 22 May 2019 | Survation Daily Mail |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 14–21 May 2019 | Panelbase The Sunday Times |
0.0% | N/A | N/A | N/A | N/A |
| 17–20 May 2019 | Opinium The Times |
1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 8–17 May 2019 | YouGov Best For Britain |
0.7% | 0.6–0.9% | 0.6–0.9% | 0.6–0.9% | 0.5–1.0% |
| 17 May 2019 | Survation Daily Mail |
0.2% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% | 0.0–0.9% |
| 14–16 May 2019 | Opinium The Observer |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 13–14 May 2019 | YouGov The Times |
0.7% | 0.5–1.1% | 0.5–1.2% | 0.4–1.3% | 0.3–1.5% |
| 10–14 May 2019 | Ipsos MORI | 0.9% | 0.6–1.4% | 0.6–1.6% | 0.5–1.7% | 0.4–2.0% |
| 9–13 May 2019 | Kantar Public | 2.0% | 1.6–2.6% | 1.4–2.8% | 1.3–3.0% | 1.1–3.3% |
| 9–13 May 2019 | Hanbury Strategy | 0.0% | N/A | N/A | N/A | N/A |
| 10–12 May 2019 | ComRes Daily Telegraph |
0.0% | N/A | N/A | N/A | N/A |
| 8–10 May 2019 | Opinium The Observer |
0.6% | 0.4–0.9% | 0.4–1.0% | 0.3–1.1% | 0.3–1.2% |
| 7–10 May 2019 | BMG Research | 0.0% | N/A | N/A | N/A | N/A |
| 8–9 May 2019 | YouGov The Times |
0.7% | 0.5–1.0% | 0.5–1.1% | 0.4–1.2% | 0.4–1.3% |
| 9 May 2019 | ComRes Brexit Express |
1.0% | 0.7–1.3% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 3–7 May 2019 | Opinium | 1.0% | 0.7–1.4% | 0.6–1.5% | 0.6–1.6% | 0.5–1.8% |
| 29–30 April 2019 | YouGov | 0.6% | 0.4–0.9% | 0.3–1.0% | 0.3–1.1% | 0.2–1.2% |
| 23–24 April 2019 | YouGov The Times |
0.7% | 0.5–1.1% | 0.5–1.2% | 0.4–1.2% | 0.3–1.4% |
| 18–24 April 2019 | Panelbase The Sunday Times |
0.0% | N/A | N/A | N/A | N/A |
| 21–23 April 2019 | Opinium The Observer |
1.0% | 0.7–1.5% | 0.6–1.6% | 0.6–1.7% | 0.5–2.0% |
| 16–17 April 2019 | YouGov The Times |
0.7% | 0.5–1.1% | 0.5–1.2% | 0.4–1.3% | 0.4–1.4% |
| 17 April 2019 | OnePoll The Sun on Sunday |
0.0% | N/A | N/A | N/A | N/A |
| 16–17 April 2019 | ORB The Telegraph |
1.0% | 0.7–1.4% | 0.6–1.5% | 0.6–1.6% | 0.5–1.8% |
| 9–12 April 2019 | Opinium The Observer |
1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 4–8 April 2019 | Kantar Public | 1.0% | 0.7–1.5% | 0.7–1.7% | 0.6–1.8% | 0.5–2.1% |
| 5–8 April 2019 | Hanbury Strategy Open Europe |
1.0% | 0.8–1.4% | 0.7–1.5% | 0.6–1.5% | 0.5–1.7% |
| 3–6 April 2019 | Survation | 1.0% | 0.8–1.2% | 0.8–1.2% | 0.8–1.3% | 0.7–1.4% |
| 2–5 April 2019 | BMG Research The Independent |
1.0% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.9% |
| 2–3 April 2019 | YouGov | 1.0% | 0.8–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 28–30 March 2019 | Deltapoll The Mail on Sunday |
1.0% | 0.7–1.5% | 0.6–1.7% | 0.5–1.8% | 0.4–2.1% |
| 28–29 March 2019 | Opinium The Observer |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 24–25 March 2019 | YouGov The Times |
1.0% | 0.8–1.3% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 20–22 March 2019 | Opinium The Observer |
1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 15–19 March 2019 | Ipsos MORI | 1.0% | 0.7–1.6% | 0.7–1.7% | 0.6–1.9% | 0.5–2.2% |
| 14–15 March 2019 | YouGov People’s Vote |
1.0% | 0.8–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 15 March 2019 | Survation Daily Mail |
0.3% | 0.2–0.7% | 0.1–0.8% | 0.1–0.9% | 0.1–1.1% |
| 12–15 March 2019 | Opinium The Observer |
1.0% | 0.8–1.4% | 0.7–1.5% | 0.7–1.6% | 0.6–1.8% |
| 7–11 March 2019 | Kantar Public | 0.0% | N/A | N/A | N/A | N/A |
| 4–8 March 2019 | BMG Research | 1.0% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.9% |
| 3–4 March 2019 | YouGov The Times |
1.0% | 0.8–1.4% | 0.7–1.4% | 0.7–1.5% | 0.6–1.7% |
| 26 February–1 March 2019 | Opinium The Observer |
1.0% | 0.7–1.3% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 22–23 February 2019 | YouGov The Times |
1.0% | 0.8–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 21–23 February 2019 | Deltapoll The Mail on Sunday |
0.3% | 0.2–0.7% | 0.1–0.8% | 0.1–0.9% | 0.1–1.1% |
| 18–19 February 2019 | YouGov The Times |
0.8% | 0.5–1.1% | 0.5–1.2% | 0.4–1.3% | 0.4–1.4% |
| 18 February 2019 | Survation Daily Mail |
0.0% | N/A | N/A | N/A | N/A |
| 13–15 February 2019 | Opinium The Observer |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 7–11 February 2019 | Kantar Public | 1.0% | 0.7–1.4% | 0.6–1.6% | 0.5–1.7% | 0.4–2.0% |
| 4–8 February 2019 | BMG Research | 1.0% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.9% |
| 1–5 February 2019 | Ipsos MORI | 1.0% | 0.7–1.5% | 0.6–1.7% | 0.5–1.8% | 0.4–2.1% |
| 3–4 February 2019 | YouGov The Times |
0.7% | 0.5–1.0% | 0.5–1.1% | 0.4–1.2% | 0.3–1.4% |
| 30 January–1 February 2019 | Opinium The Observer |
1.0% | 0.8–1.4% | 0.7–1.5% | 0.7–1.6% | 0.6–1.8% |
| 30 January 2019 | Survation Daily Mail |
0.0% | N/A | N/A | N/A | N/A |
| 23–25 January 2019 | Opinium People’s Vote |
1.0% | 0.8–1.4% | 0.7–1.5% | 0.6–1.5% | 0.5–1.7% |
| 16–18 January 2019 | Opinium The Observer |
1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 16–18 January 2019 | ICM Research | 0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 10–17 January 2019 | Number Cruncher Politics Politico |
1.0% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% | 0.4–2.1% |
| 16–17 January 2019 | ComRes Sunday Express |
1.0% | 0.7–1.3% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 14–15 January 2019 | ComRes Daily Express |
1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 13–14 January 2019 | YouGov The Times |
0.7% | 0.5–1.1% | 0.4–1.1% | 0.4–1.2% | 0.3–1.4% |
| 10–14 January 2019 | Kantar Public | 1.0% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% | 0.4–2.1% |
| 10–11 January 2019 | Survation Daily Mail |
0.0% | N/A | N/A | N/A | N/A |
| 8–11 January 2019 | BMG Research The Independent |
1.0% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.9% |
| 6–7 January 2019 | YouGov The Times |
0.6% | 0.4–0.9% | 0.4–1.0% | 0.3–1.1% | 0.3–1.3% |
| 21 December 2018–4 January 2019 | YouGov People’s Vote |
0.6% | 0.5–0.7% | 0.5–0.7% | 0.5–0.7% | 0.5–0.7% |
| 18–20 December 2018 | Opinium | 0.3% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 16–17 December 2018 | YouGov The Times |
0.7% | 0.5–1.1% | 0.5–1.2% | 0.4–1.3% | 0.3–1.5% |
| 12–14 December 2018 | YouGov People’s Vote |
0.7% | 0.6–0.9% | 0.6–1.0% | 0.5–1.0% | 0.5–1.1% |
| 13–14 December 2018 | Opinium The Observer |
1.0% | 0.8–1.3% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 10–11 December 2018 | Populus | 1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 6–7 December 2018 | YouGov The Sunday Times |
0.7% | 0.5–1.1% | 0.5–1.2% | 0.4–1.3% | 0.3–1.5% |
| 5–6 December 2018 | Kantar Public | 1.0% | 0.7–1.5% | 0.6–1.6% | 0.6–1.8% | 0.5–2.0% |
| 30 November–5 December 2018 | Ipsos MORI | 1.0% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% | 0.4–2.0% |
| 3–4 December 2018 | YouGov The Times |
0.7% | 0.5–1.1% | 0.5–1.2% | 0.4–1.3% | 0.3–1.5% |
| 30 November–2 December 2018 | ComRes Sunday Express |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 26–27 November 2018 | YouGov The Times |
0.6% | 0.4–0.9% | 0.4–1.0% | 0.3–1.1% | 0.2–1.2% |
| 18–19 November 2018 | YouGov The Times |
0.6% | 0.4–0.9% | 0.4–1.0% | 0.3–1.1% | 0.3–1.3% |
| 14–15 November 2018 | Opinium | 1.0% | 0.7–1.5% | 0.6–1.6% | 0.6–1.7% | 0.5–2.0% |
| 14–15 November 2018 | ComRes Sunday Express |
1.0% | 0.8–1.4% | 0.7–1.5% | 0.6–1.5% | 0.5–1.7% |
| 8–12 November 2018 | Kantar Public | 1.0% | 0.7–1.4% | 0.6–1.6% | 0.5–1.7% | 0.4–2.0% |
| 2–7 November 2018 | Panelbase Constitutional Commission |
1.0% | 0.8–1.3% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 4–5 November 2018 | YouGov The Times |
0.6% | 0.4–0.9% | 0.4–1.0% | 0.3–1.1% | 0.3–1.3% |
| 20 October–2 November 2018 | Survation Channel 4 |
0.0% | N/A | N/A | N/A | N/A |
| 29–30 October 2018 | YouGov The Times |
0.6% | 0.4–0.9% | 0.4–1.0% | 0.3–1.1% | 0.3–1.3% |
| 26–28 October 2018 | ICM Research | 1.0% | 0.8–1.4% | 0.7–1.5% | 0.7–1.6% | 0.6–1.8% |
| 24–26 October 2018 | Deltapoll Mirror |
0.3% | 0.2–0.7% | 0.1–0.8% | 0.1–0.9% | 0.1–1.1% |
| 22–23 October 2018 | YouGov The Times |
0.9% | 0.7–1.2% | 0.6–1.4% | 0.5–1.4% | 0.5–1.6% |
| 19–22 October 2018 | Ipsos MORI | 1.0% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% | 0.4–2.0% |
| 14–15 October 2018 | YouGov The Times |
0.6% | 0.4–0.9% | 0.4–1.0% | 0.3–1.1% | 0.3–1.3% |
| 11–15 October 2018 | Kantar Public | 1.0% | 0.7–1.5% | 0.6–1.6% | 0.5–1.7% | 0.4–2.0% |
| 11–12 October 2018 | Opinium The Observer |
1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 10 October 2018 | Survation | 0.0% | N/A | N/A | N/A | N/A |
| 8–9 October 2018 | YouGov The Times |
0.7% | 0.5–1.1% | 0.5–1.2% | 0.4–1.3% | 0.3–1.5% |
| 4–7 October 2018 | BMG Research | 1.0% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.9% |
| 3–5 October 2018 | Opinium The Observer |
1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 3–5 October 2018 | BMG Research The Independent |
1.0% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.9% |
| 30 September–1 October 2018 | YouGov The Times |
0.6% | 0.4–0.9% | 0.3–1.0% | 0.3–1.1% | 0.2–1.2% |
| 28–29 September 2018 | BMG Research HuffPost UK |
1.0% | 0.7–1.5% | 0.6–1.6% | 0.6–1.7% | 0.5–2.0% |
| 26–28 September 2018 | Opinium The Observer |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 26–27 September 2018 | ComRes Sunday Express |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 24–25 September 2018 | YouGov The Times |
0.6% | 0.4–0.9% | 0.3–1.0% | 0.3–1.1% | 0.2–1.2% |
| 21–24 September 2018 | ICM Research The Guardian |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 21–22 September 2018 | BMG Research HuffPost UK |
0.3% | 0.2–0.7% | 0.1–0.8% | 0.1–0.9% | 0.1–1.1% |
| 18–20 September 2018 | Opinium | 1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 18–19 September 2018 | YouGov The Times |
0.7% | 0.5–1.0% | 0.5–1.1% | 0.4–1.1% | 0.4–1.3% |
| 14–18 September 2018 | Ipsos MORI | 0.3% | 0.2–0.6% | 0.1–0.7% | 0.1–0.8% | 0.1–1.0% |
| 12–13 September 2018 | YouGov The Times |
0.6% | 0.4–0.9% | 0.3–1.0% | 0.3–1.1% | 0.2–1.2% |
| 11–13 September 2018 | Opinium The Observer |
1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 6–10 September 2018 | Kantar Public | 0.3% | 0.2–0.6% | 0.1–0.7% | 0.1–0.8% | 0.0–1.0% |
| 7–9 September 2018 | ICM Research The Guardian |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 7 September 2018 | Survation Daily Mail |
1.0% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% | 0.4–2.1% |
| 4–7 September 2018 | BMG Research The Independent |
0.3% | 0.2–0.5% | 0.1–0.6% | 0.1–0.7% | 0.1–0.8% |
| 3–4 September 2018 | YouGov The Times |
0.7% | 0.5–1.1% | 0.5–1.2% | 0.4–1.2% | 0.4–1.4% |
| 31 August–1 September 2018 | Survation | 1.0% | 0.7–1.5% | 0.6–1.7% | 0.5–1.8% | 0.4–2.1% |
| 28–29 August 2018 | YouGov The Times |
0.6% | 0.4–0.9% | 0.4–1.0% | 0.3–1.1% | 0.3–1.3% |
| 20–21 August 2018 | YouGov The Times |
0.7% | 0.5–1.1% | 0.4–1.1% | 0.4–1.2% | 0.3–1.4% |
| 17–19 August 2018 | ICM Research The Guardian |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 14–17 August 2018 | Opinium The Observer |
1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 14–16 August 2018 | Deltapoll The Sun on Sunday |
1.0% | 0.8–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 13–14 August 2018 | YouGov The Times |
0.5% | 0.4–0.9% | 0.3–0.9% | 0.3–1.0% | 0.2–1.2% |
| 9–13 August 2018 | Number Cruncher Politics | 1.0% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% | 0.4–2.1% |
| 9–13 August 2018 | Kantar Public | 1.0% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% | 0.4–2.0% |
| 6–10 August 2018 | BMG Research The Independent |
0.3% | 0.2–0.5% | 0.1–0.6% | 0.1–0.7% | 0.1–0.9% |
| 8–9 August 2018 | YouGov The Times |
0.7% | 0.5–1.1% | 0.5–1.2% | 0.4–1.2% | 0.3–1.4% |
| 3–5 August 2018 | ICM Research The Guardian |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 30–31 July 2018 | YouGov The Times |
0.6% | 0.4–0.9% | 0.4–1.0% | 0.3–1.1% | 0.2–1.2% |
| 20–24 July 2018 | Ipsos MORI | 1.0% | 0.7–1.5% | 0.6–1.7% | 0.5–1.8% | 0.4–2.1% |
| 22–23 July 2018 | YouGov The Times |
0.6% | 0.4–0.9% | 0.4–1.0% | 0.3–1.1% | 0.3–1.3% |
| 20–22 July 2018 | ICM Research | 0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 19–20 July 2018 | YouGov The Times |
0.7% | 0.5–1.1% | 0.5–1.2% | 0.4–1.3% | 0.3–1.4% |
| 16–17 July 2018 | YouGov The Times |
0.6% | 0.4–0.9% | 0.4–1.0% | 0.3–1.1% | 0.3–1.3% |
| 12–14 July 2018 | Deltapoll The Sun on Sunday |
1.0% | 0.7–1.4% | 0.7–1.6% | 0.6–1.7% | 0.5–1.9% |
| 10–13 July 2018 | Opinium The Observer |
1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 10–11 July 2018 | YouGov The Times |
0.6% | 0.4–0.9% | 0.4–1.0% | 0.3–1.1% | 0.2–1.2% |
| 8–9 July 2018 | YouGov The Times |
0.6% | 0.4–0.9% | 0.4–1.0% | 0.3–1.1% | 0.3–1.3% |
| 5–9 July 2018 | Kantar Public | 1.0% | 0.7–1.5% | 0.6–1.7% | 0.6–1.8% | 0.4–2.1% |
| 6–9 July 2018 | ICM Research The Guardian |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 7 July 2018 | Survation | 1.0% | 0.7–1.5% | 0.6–1.7% | 0.5–1.8% | 0.4–2.1% |
| 3–5 July 2018 | BMG Research | 1.1% | 0.8–1.5% | 0.7–1.6% | 0.7–1.7% | 0.5–2.0% |
| 3–4 July 2018 | YouGov The Times |
0.5% | 0.4–0.9% | 0.3–1.0% | 0.3–1.1% | 0.2–1.2% |
| 22–27 June 2018 | Ipsos MORI | 1.0% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% | 0.4–2.1% |
| 25–26 June 2018 | YouGov The Times |
0.7% | 0.5–1.1% | 0.5–1.2% | 0.4–1.3% | 0.3–1.5% |
| 22–24 June 2018 | ICM Research The Guardian |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 19–20 June 2018 | Survation Good Morning Britain |
1.0% | 0.7–1.5% | 0.6–1.7% | 0.5–1.8% | 0.4–2.1% |
| 18–19 June 2018 | YouGov The Times |
0.6% | 0.4–0.9% | 0.3–1.0% | 0.3–1.1% | 0.2–1.2% |
| 11–12 June 2018 | YouGov The Times |
0.6% | 0.4–0.9% | 0.4–1.0% | 0.3–1.1% | 0.3–1.3% |
| 8–10 June 2018 | ICM Research The Guardian |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 5–8 June 2018 | BMG Research The Independent |
0.3% | 0.2–0.5% | 0.1–0.6% | 0.1–0.7% | 0.1–0.9% |
| 5–7 June 2018 | Opinium The Observer |
1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 4–5 June 2018 | YouGov The Times |
0.6% | 0.4–0.9% | 0.3–1.0% | 0.3–1.1% | 0.2–1.2% |
| 31 May–4 June 2018 | Survation | 1.0% | 0.8–1.3% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 28–29 May 2018 | YouGov The Times |
0.7% | 0.5–1.1% | 0.5–1.2% | 0.4–1.3% | 0.3–1.4% |
| 25–29 May 2018 | ICM Research The Guardian |
1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 18–22 May 2018 | Ipsos MORI | 0.3% | 0.2–0.7% | 0.1–0.8% | 0.1–0.9% | 0.1–1.1% |
| 20–21 May 2018 | YouGov The Times |
0.6% | 0.4–0.9% | 0.4–1.0% | 0.3–1.1% | 0.3–1.3% |
| 16–17 May 2018 | ComRes Daily Mail |
1.0% | 0.7–1.3% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 15–16 May 2018 | Opinium The Observer |
1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 13–14 May 2018 | YouGov The Times |
0.4% | 0.3–0.7% | 0.2–0.8% | 0.2–0.9% | 0.2–1.1% |
| 11–13 May 2018 | ICM Research The Guardian |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 8–10 May 2018 | Survation | 1.0% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.9% |
| 8–9 May 2018 | YouGov The Times |
0.6% | 0.4–0.9% | 0.4–1.0% | 0.3–1.1% | 0.3–1.3% |
| 1–4 May 2018 | BMG Research The Independent |
0.3% | 0.2–0.6% | 0.1–0.6% | 0.1–0.7% | 0.1–0.9% |
| 30 April–1 May 2018 | YouGov The Times |
0.6% | 0.4–0.9% | 0.3–1.0% | 0.3–1.1% | 0.2–1.2% |
| 27–29 April 2018 | ICM Research The Guardian |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 27–29 April 2018 | ComRes Daily Express |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 24–25 April 2018 | YouGov The Times |
0.6% | 0.4–0.9% | 0.4–1.0% | 0.3–1.1% | 0.3–1.3% |
| 20–24 April 2018 | Ipsos MORI | 1.0% | 0.7–1.5% | 0.6–1.7% | 0.5–1.8% | 0.4–2.1% |
| 16–17 April 2018 | YouGov The Times |
0.6% | 0.4–0.9% | 0.3–1.0% | 0.3–1.1% | 0.2–1.2% |
| 14 April 2018 | Survation The Mail on Sunday |
1.0% | 0.7–1.3% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 10–13 April 2018 | BMG Research | 0.3% | 0.2–0.5% | 0.1–0.6% | 0.1–0.7% | 0.1–0.8% |
| 10–12 April 2018 | Opinium The Observer |
1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 11–12 April 2018 | ComRes Sunday Express |
1.0% | 0.7–1.3% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 9–10 April 2018 | YouGov The Times |
0.5% | 0.4–0.9% | 0.3–1.0% | 0.3–1.1% | 0.2–1.2% |
| 6–8 April 2018 | ICM Research The Guardian |
0.2% | 0.1–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 4–5 April 2018 | YouGov The Times |
0.5% | 0.4–0.9% | 0.3–0.9% | 0.3–1.0% | 0.2–1.2% |
| 27 March–5 April 2018 | Number Cruncher Politics | 1.0% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% | 0.4–2.1% |
| 26–27 March 2018 | YouGov The Times |
0.4% | 0.3–0.7% | 0.2–0.8% | 0.2–0.9% | 0.2–1.0% |
| 16–18 March 2018 | ICM Research The Guardian |
1.0% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.8% |
| 13–16 March 2018 | BMG Research | 0.3% | 0.2–0.5% | 0.1–0.6% | 0.1–0.7% | 0.1–0.8% |
| 14–15 March 2018 | YouGov The Times |
0.7% | 0.5–1.0% | 0.5–1.1% | 0.4–1.2% | 0.3–1.4% |
| 13–15 March 2018 | Opinium The Observer |
1.0% | 0.8–1.4% | 0.7–1.5% | 0.6–1.5% | 0.5–1.7% |
| 7–8 March 2018 | Survation Good Morning Britain |
0.3% | 0.2–0.7% | 0.1–0.7% | 0.1–0.9% | 0.1–1.1% |
| 2–7 March 2018 | Ipsos MORI | 1.0% | 0.7–1.5% | 0.6–1.7% | 0.5–1.8% | 0.4–2.1% |
| 5–6 March 2018 | YouGov The Times |
0.5% | 0.4–0.9% | 0.3–1.0% | 0.3–1.1% | 0.2–1.2% |
| 2–4 March 2018 | ICM Research The Guardian |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 26–27 February 2018 | YouGov The Times |
0.6% | 0.4–0.9% | 0.4–1.0% | 0.3–1.1% | 0.3–1.3% |
| 19–20 February 2018 | YouGov The Times |
0.5% | 0.4–0.9% | 0.3–1.0% | 0.3–1.0% | 0.2–1.2% |
| 16–19 February 2018 | ICM Research The Guardian |
0.2% | 0.1–0.5% | 0.1–0.6% | 0.1–0.6% | 0.1–0.8% |
| 12–13 February 2018 | YouGov The Times |
0.4% | 0.3–0.7% | 0.2–0.8% | 0.2–0.9% | 0.2–1.1% |
| 6–12 February 2018 | Kantar Public | 1.0% | 0.8–1.3% | 0.7–1.4% | 0.7–1.5% | 0.6–1.7% |
| 6–9 February 2018 | BMG Research | 0.3% | 0.2–0.5% | 0.1–0.6% | 0.1–0.7% | 0.1–0.8% |
| 6–8 February 2018 | Opinium The Observer |
1.0% | 0.8–1.4% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 5–6 February 2018 | YouGov The Times |
0.4% | 0.3–0.7% | 0.3–0.8% | 0.2–0.9% | 0.2–1.0% |
| 2–4 February 2018 | ICM Research The Guardian |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 28–29 January 2018 | YouGov The Times |
0.6% | 0.4–0.9% | 0.4–1.0% | 0.3–1.1% | 0.3–1.3% |
| 26–29 January 2018 | Survation | 0.3% | 0.2–0.6% | 0.1–0.7% | 0.1–0.8% | 0.1–1.0% |
| 19–23 January 2018 | Ipsos MORI | 0.6% | 0.4–1.0% | 0.3–1.2% | 0.3–1.3% | 0.2–1.5% |
| 10–19 January 2018 | ICM Research The Guardian |
0.2% | 0.2–0.4% | 0.1–0.4% | 0.1–0.5% | 0.1–0.5% |
| 16–17 January 2018 | YouGov The Times |
0.6% | 0.4–0.9% | 0.4–1.0% | 0.3–1.1% | 0.2–1.3% |
| 12–14 January 2018 | ICM Research The Guardian |
1.0% | 0.7–1.3% | 0.7–1.4% | 0.6–1.5% | 0.5–1.7% |
| 11–12 January 2018 | Opinium The Observer |
0.2% | 0.2–0.5% | 0.1–0.5% | 0.1–0.6% | 0.1–0.7% |
| 9–12 January 2018 | BMG Research | 1.0% | 0.7–1.4% | 0.7–1.5% | 0.6–1.6% | 0.5–1.9% |
| 7–8 January 2018 | YouGov The Times |
0.6% | 0.4–0.9% | 0.4–1.0% | 0.3–1.1% | 0.3–1.3% |
Probability Mass Function
The following table shows the probability mass function per percentage block of voting intentions for the poll average for Plaid Cymru.
| Voting Intentions | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0.0–0.5% | 73% | 100% | Median |
| 0.5–1.5% | 25% | 27% | Last Result |
| 1.5–2.5% | 1.2% | 1.2% | |
| 2.5–3.5% | 0% | 0% |
Seats
Last result: 4 seats (General Election of 8 June 2017)
Confidence Intervals
| Period | Polling firm/Commissioner(s) | Median | 80% Confidence Interval | 90% Confidence Interval | 95% Confidence Interval | 99% Confidence Interval |
|---|---|---|---|---|---|---|
| N/A | Poll Average | 0 | 0–5 | 0–8 | 0–8 | 0–10 |
| 10–11 December 2019 | Survation | 5 | 5–8 | 5–8 | 5–8 | 3–9 |
| 10–11 December 2019 | Panelbase | 0 | 0–2 | 0–3 | 0–3 | 0–3 |
| 10–11 December 2019 | Opinium | 0 | 0–3 | 0–3 | 0–3 | 0–3 |
| 9–11 December 2019 | Kantar Public | 0 | 0–3 | 0–3 | 0–3 | 0–3 |
| 9–11 December 2019 | Ipsos MORI Evening Standard |
|||||
| 9–11 December 2019 | Deltapoll | 0 | 0–2 | 0–3 | 0–3 | 0–5 |
| 6–11 December 2019 | BMG Research | |||||
| 8–10 December 2019 | Number Cruncher Politics Bloomberg |
5 | 4–8 | 3–9 | 3–10 | 3–11 |
| 9–10 December 2019 | ComRes Daily Telegraph |
|||||
| 6–9 December 2019 | ICM Research | 0 | 0–2 | 0–3 | 0–3 | 0–3 |
| 5–8 December 2019 | Qriously | |||||
| 6–8 December 2019 | ComRes Remain United |
0 | 0–2 | 0–2 | 0–2 | 0–3 |
| 5–7 December 2019 | Survation Good Morning Britain |
5 | 4–9 | 3–10 | 3–11 | 3–12 |
| 5–7 December 2019 | Deltapoll The Mail on Sunday |
0 | 0–3 | 0–3 | 0–4 | 0–5 |
| 5–6 December 2019 | YouGov The Sunday Times |
0 | 0–3 | 0–3 | 0–3 | 0–4 |
| 4–6 December 2019 | Panelbase | 5 | 4–8 | 4–8 | 3–8 | 3–9 |
| 4–6 December 2019 | Opinium The Observer |
0 | 0–3 | 0–3 | 0–3 | 0–4 |
| 4–6 December 2019 | BMG Research The Independent |
0 | 0–3 | 0–3 | 0–4 | 0–4 |
| 4–5 December 2019 | ComRes The Sunday Telegraph |
|||||
| 2–4 December 2019 | Ipsos MORI Evening Standard |
5 | 4–8 | 4–8 | 3–9 | 3–11 |
| 2–3 December 2019 | YouGov The Times and Sky News |
0 | 0–3 | 0–3 | 0–3 | 0–4 |
| 2–3 December 2019 | ComRes Daily Telegraph |
|||||
| 28 November–2 December 2019 | Kantar Public | 5 | 4–8 | 4–10 | 3–11 | 3–11 |
| 29 November–2 December 2019 | ICM Research | 0 | 0–3 | 0–3 | 0–3 | 0–4 |
| 26–30 November 2019 | Survation Good Morning Britain |
5 | 4–8 | 4–9 | 3–10 | 3–11 |
| 28–30 November 2019 | Deltapoll The Mail on Sunday |
0 | 0–4 | 0–4 | 0–4 | 0–4 |
| 28–29 November 2019 | YouGov The Sunday Times |
0 | 0–3 | 0–3 | 0–3 | 0–4 |
| 27–29 November 2019 | Opinium The Observer |
0 | 0–3 | 0–3 | 0–3 | 0–4 |
| 27–28 November 2019 | Panelbase | 0 | 0–3 | 0–3 | 0–3 | 0–4 |
| 27–28 November 2019 | ComRes The Sunday Telegraph |
|||||
| 26–27 November 2019 | BMG Research The Independent |
1 | 0–3 | 0–3 | 0–4 | 0–4 |
| 25–26 November 2019 | YouGov The Times and Sky News |
0 | 0–3 | 0–3 | 0–3 | 0–4 |
| 25–26 November 2019 | ComRes Daily Telegraph |
|||||
| 21–25 November 2019 | Kantar Public | 1 | 0–3 | 0–4 | 0–4 | 0–5 |
| 22–25 November 2019 | ICM Research | 5 | 4–8 | 4–8 | 3–8 | 3–9 |
| 20–23 November 2019 | Survation Good Morning Britain |
6 | 4–10 | 4–11 | 3–11 | 3–12 |
| 21–23 November 2019 | Deltapoll The Mail on Sunday |
0 | 0–3 | 0–3 | 0–4 | 0–4 |
| 21–22 November 2019 | YouGov The Sunday Times |
0 | 0–3 | 0–3 | 0–4 | 0–4 |
| 20–22 November 2019 | Panelbase | 5 | 4–8 | 4–8 | 4–8 | 3–10 |
| 20–22 November 2019 | Opinium The Observer |
0 | 0–4 | 0–4 | 0–4 | 0–4 |
| 20–21 November 2019 | ComRes The Sunday Express |
|||||
| 19–21 November 2019 | BMG Research | 0 | 0–3 | 0–3 | 0–4 | 0–4 |
| 12–20 November 2019 | YouGov | 5 | 4–8 | 4–8 | 4–8 | 4–8 |
| 18–19 November 2019 | YouGov The Times |
0 | 0–3 | 0–3 | 0–4 | 0–4 |
| 15–19 November 2019 | Ipsos MORI Evening Standard |
6 | 4–10 | 4–11 | 3–11 | 3–12 |
| 18–19 November 2019 | ComRes Daily Telegraph |
|||||
| 14–18 November 2019 | Kantar Public | 7 | 4–10 | 4–11 | 4–11 | 3–13 |
| 15–18 November 2019 | ICM Research | 0 | 0–3 | 0–3 | 0–3 | 0–4 |
| 14–16 November 2019 | Survation | 7 | 4–10 | 4–11 | 3–11 | 3–12 |
| 10–16 November 2019 | Deltapoll The Mail on Sunday |
|||||
| 14–15 November 2019 | YouGov The Sunday Times |
0 | 0–3 | 0–3 | 0–4 | 0–4 |
| 13–15 November 2019 | Opinium The Observer |
6 | 4–9 | 4–10 | 4–10 | 3–11 |
| 9–15 November 2019 | BMG Research | |||||
| 13–14 November 2019 | Panelbase | |||||
| 13–14 November 2019 | ComRes The Sunday Telegraph |
|||||
| 11–12 November 2019 | YouGov The Times and Sky News |
6 | 4–9 | 4–10 | 4–11 | 3–11 |
| 11–12 November 2019 | ComRes Daily Telegraph |
0 | 0–4 | 0–4 | 0–4 | 0–4 |
| 7–11 November 2019 | Kantar Public | 8 | 4–11 | 4–11 | 4–11 | 4–14 |
| 8–11 November 2019 | ICM Research | 4 | 4–8 | 4–8 | 4–9 | 4–10 |
| 8–10 November 2019 | ComRes Britain Elects |
|||||
| 6–9 November 2019 | Deltapoll The Mail on Sunday |
1 | 0–3 | 0–4 | 0–4 | 0–4 |
| 7–8 November 2019 | YouGov The Sunday Times and Sky News |
7 | 4–10 | 4–11 | 4–11 | 4–12 |
| 6–8 November 2019 | Survation | 4 | 4–8 | 4–8 | 4–9 | 3–11 |
| 6–8 November 2019 | Panelbase | |||||
| 6–8 November 2019 | Opinium The Observer |
6 | 4–8 | 4–8 | 4–9 | 3–11 |
| 5–8 November 2019 | BMG Research The Independent |
1 | 0–3 | 0–3 | 0–4 | 0–4 |
| 5–6 November 2019 | YouGov The Times and Sky News |
7 | 4–11 | 4–11 | 4–11 | 4–12 |
| 30 October–5 November 2019 | ComRes Remain United |
5 | 4–7 | 4–8 | 4–8 | 4–9 |
| 1–4 November 2019 | YouGov The Times |
7 | 4–10 | 4–10 | 4–10 | 4–11 |
| 1–4 November 2019 | ICM Research Reuters |
0 | 0–3 | 0–3 | 0–3 | 0–4 |
| 31 October–2 November 2019 | Deltapoll The Mail on Sunday |
6 | 4–10 | 4–10 | 4–11 | 3–11 |
| 30 October–1 November 2019 | YouGov The Sunday Times |
7 | 4–9 | 4–10 | 4–11 | 3–11 |
| 30 October–1 November 2019 | Opinium The Observer |
7 | 4–9 | 4–10 | 4–11 | 4–11 |
| 30–31 October 2019 | Panelbase | 6 | 4–10 | 4–11 | 3–11 | 3–12 |
| 30–31 October 2019 | ORB The Telegraph |
0 | 0–3 | 0–3 | 0–4 | 0–4 |
| 30–31 October 2019 | ComRes Sunday Express |
2 | 2–3 | 0–4 | 0–4 | 0–4 |
| 29–30 October 2019 | YouGov The Times |
1 | 0–4 | 0–4 | 0–4 | 0–4 |
| 29–30 October 2019 | Survation | 7 | 4–11 | 4–11 | 4–12 | 3–16 |
| 17–28 October 2019 | YouGov | 7 | 7–8 | 7–9 | 7–9 | 4–9 |
| 25–28 October 2019 | Ipsos MORI | 7 | 4–11 | 4–12 | 4–13 | 3–13 |
| 24–25 October 2019 | YouGov | 7 | 5–11 | 4–11 | 4–12 | 4–13 |
| 23–25 October 2019 | Opinium The Observer |
0 | 0–3 | 0–3 | 0–4 | 0–4 |
| 20–21 October 2019 | YouGov The Times |
9 | 4–11 | 4–12 | 4–13 | 4–13 |
| 18–21 October 2019 | Deltapoll | 7 | 4–10 | 4–11 | 4–11 | 4–12 |
| 17–18 October 2019 | Survation Daily Mail |
7 | 4–11 | 4–12 | 4–13 | 3–16 |
| 17–18 October 2019 | Panelbase | 3 | 0–4 | 0–4 | 0–5 | 0–7 |
| 15–17 October 2019 | Opinium The Observer |
8 | 4–10 | 4–11 | 4–11 | 4–12 |
| 16–17 October 2019 | ComRes Britain Elects |
5 | 4–8 | 4–9 | 4–10 | 3–11 |
| 14–15 October 2019 | YouGov The Times |
7 | 4–11 | 4–11 | 4–12 | 4–13 |
| 10–15 October 2019 | Kantar Public | 8 | 4–11 | 4–11 | 3–13 | 3–14 |
| 9–11 October 2019 | Panelbase The Sunday Times |
|||||
| 9–10 October 2019 | ComRes Daily Express |
|||||
| 8–9 October 2019 | YouGov The Times |
7 | 4–11 | 4–12 | 4–13 | 4–14 |
| 4–6 October 2019 | ComRes Daily Telegraph |
4 | 4–9 | 4–10 | 4–10 | 3–12 |
| 3–4 October 2019 | Opinium The Observer |
0 | 0–3 | 0–4 | 0–4 | 0–4 |
| 1–4 October 2019 | BMG Research The Independent |
7 | 4–10 | 4–11 | 4–11 | 3–15 |
| 30 September–1 October 2019 | YouGov The Times |
7 | 5–10 | 4–10 | 4–11 | 4–13 |
| 26–27 September 2019 | YouGov The Sunday Times |
8 | 4–11 | 4–12 | 4–13 | 4–16 |
| 25–27 September 2019 | Opinium The Observer |
7 | 4–8 | 4–10 | 4–11 | 4–12 |
| 24–25 September 2019 | YouGov The Times |
9 | 4–11 | 4–11 | 4–12 | 4–16 |
| 25 September 2019 | Survation Daily Mail |
|||||
| 24 September 2019 | ComRes Daily Telegraph |
7 | 4–11 | 4–14 | 4–14 | 3–16 |
| 19–20 September 2019 | YouGov People’s Vote |
3 | 2–4 | 2–4 | 0–4 | 0–4 |
| 19–20 September 2019 | Opinium The Observer |
8 | 4–11 | 4–12 | 4–13 | 4–13 |
| 18–19 September 2019 | ComRes Britain Elects |
1 | 0–3 | 0–3 | 0–3 | 0–4 |
| 17–18 September 2019 | YouGov The Times |
7 | 5–10 | 4–10 | 4–11 | 4–12 |
| 13–16 September 2019 | Ipsos MORI Evening Standard |
4 | 3–7 | 3–7 | 2–9 | 0–10 |
| 12–15 September 2019 | ComRes Sunday Express |
|||||
| 11–13 September 2019 | Opinium The Observer |
8 | 6–8 | 5–9 | 4–10 | 4–11 |
| 9–10 September 2019 | YouGov The Times |
0 | 0–4 | 0–4 | 0–4 | 0–7 |
| 5–9 September 2019 | Kantar Public | 7 | 4–7 | 4–11 | 4–12 | 4–13 |
| 6–8 September 2019 | ComRes Daily Telegraph |
4 | 4–9 | 4–10 | 4–10 | 3–12 |
| 5–7 September 2019 | Deltapoll The Sun on Sunday |
4 | 4–9 | 4–9 | 4–10 | 3–11 |
| 5–6 September 2019 | YouGov The Sunday Times |
3 | 0–4 | 0–4 | 0–4 | 0–5 |
| 5–6 September 2019 | Survation Daily Mail |
7 | 4–12 | 4–13 | 4–15 | 3–16 |
| 5–6 September 2019 | Panelbase | 0 | 0–3 | 0–4 | 0–5 | 0–7 |
| 4–6 September 2019 | Opinium The Observer |
0 | 0–3 | 0–4 | 0–4 | 0–4 |
| 4–6 September 2019 | ComRes Britain Elects |
4 | 4–9 | 4–9 | 4–9 | 3–12 |
| 3–6 September 2019 | BMG Research The Independent |
2 | 2–3 | 0–3 | 0–4 | 0–5 |
| 3–4 September 2019 | Hanbury Strategy | 10 | 5–10 | 4–11 | 4–11 | 4–13 |
| 2–3 September 2019 | YouGov The Times |
5 | 4–10 | 4–11 | 4–11 | 3–14 |
| 29–31 August 2019 | Deltapoll The Mail on Sunday |
10 | 9–11 | 7–11 | 7–11 | 3–12 |
| 29–30 August 2019 | Survation Daily Mail |
7 | 5–12 | 4–13 | 4–13 | 3–16 |
| 28–29 August 2019 | YouGov | 7 | 4–10 | 4–11 | 4–11 | 4–13 |
| 27–28 August 2019 | YouGov The Times |
8 | 5–11 | 4–11 | 4–11 | 4–12 |
| 22–23 August 2019 | YouGov The Sunday Times |
8 | 7–11 | 6–12 | 6–13 | 4–13 |
| 21–23 August 2019 | Opinium The Observer |
7 | 4–9 | 4–10 | 4–11 | 4–11 |
| 20–21 August 2019 | YouGov The Times |
10 | 5–11 | 4–12 | 4–13 | 4–14 |
| 15–19 August 2019 | Kantar Public | 3 | 3–4 | 0–4 | 0–4 | 0–4 |
| 13–14 August 2019 | YouGov The Times |
8 | 4–10 | 4–11 | 4–12 | 4–16 |
| 7–12 August 2019 | BMG Research The Independent |
4 | 4–8 | 4–10 | 4–11 | 3–13 |
| 6–11 August 2019 | Survation | 2 | 0–4 | 0–4 | 0–4 | 0–4 |
| 9–11 August 2019 | ComRes Daily Telegraph |
1 | 0–3 | 0–3 | 0–4 | 0–4 |
| 8–9 August 2019 | Opinium The Observer |
4 | 4–8 | 4–10 | 4–11 | 4–11 |
| 5–6 August 2019 | YouGov The Times |
3 | 2–4 | 0–4 | 0–5 | 0–5 |
| 29–30 July 2019 | YouGov The Times |
7 | 5–10 | 4–10 | 4–11 | 4–12 |
| 26–30 July 2019 | Ipsos MORI | 7 | 4–11 | 4–12 | 4–14 | 4–16 |
| 26–28 July 2019 | ComRes Britain Elects |
5 | 4–8 | 4–8 | 4–9 | 3–12 |
| 25–27 July 2019 | Deltapoll The Mail on Sunday |
7 | 4–10 | 4–11 | 4–11 | 4–13 |
| 25–26 July 2019 | YouGov The Sunday Times |
9 | 4–11 | 4–12 | 4–12 | 4–14 |
| 24–26 July 2019 | Opinium The Observer |
5 | 4–9 | 4–10 | 4–11 | 3–13 |
| 24–25 July 2019 | ComRes Sunday Express |
7 | 4–9 | 4–9 | 4–11 | 4–11 |
| 23–24 July 2019 | YouGov The Times |
8 | 6–12 | 5–14 | 4–15 | 4–16 |
| 16–17 July 2019 | YouGov The Times |
7 | 5–10 | 4–13 | 4–15 | 4–16 |
| 15–16 July 2019 | ComRes | 1 | 0–3 | 0–4 | 0–4 | 0–4 |
| 10–11 July 2019 | Survation | 5 | 4–10 | 4–14 | 3–14 | 3–15 |
| 10–11 July 2019 | ComRes The Express |
7 | 4–9 | 4–9 | 4–10 | 4–12 |
| 9–10 July 2019 | YouGov The Times |
7 | 5–10 | 4–12 | 4–15 | 4–16 |
| 5–7 July 2019 | ComRes Daily Telegraph |
1 | 0–3 | 0–3 | 0–4 | 0–4 |
| 3–5 July 2019 | Opinium The Observer |
6 | 4–11 | 4–11 | 4–11 | 4–13 |
| 2–5 July 2019 | BMG Research The Independent |
8 | 4–10 | 3–10 | 3–11 | 3–12 |
| 2–3 July 2019 | YouGov The Times |
6 | 4–10 | 4–13 | 4–13 | 4–16 |
| 24–25 June 2019 | YouGov The Times |
6 | 5–11 | 4–13 | 4–14 | 4–15 |
| 21–25 June 2019 | Ipsos MORI | 7 | 4–14 | 4–15 | 4–16 | 3–16 |
| 19–20 June 2019 | Survation Daily Mail on Sunday |
9 | 4–10 | 4–10 | 4–11 | 4–13 |
| 19–20 June 2019 | Opinium The Observer |
6 | 4–8 | 4–11 | 4–12 | 4–13 |
| 13–14 June 2019 | YouGov The Sunday Times |
6 | 4–11 | 4–12 | 4–13 | 4–15 |
| 9–10 June 2019 | YouGov The Times |
7 | 5–11 | 5–11 | 5–11 | 4–16 |
| 7–9 June 2019 | ComRes Daily Telegraph |
9 | 4–9 | 4–10 | 4–10 | 4–15 |
| 4–7 June 2019 | BMG Research The Independent |
12 | 7–13 | 4–14 | 4–14 | 3–14 |
| 4–6 June 2019 | YouGov The Times |
1 | 0–4 | 0–4 | 0–4 | 0–4 |
| 28–30 May 2019 | Opinium The Observer |
5 | 4–10 | 4–10 | 4–11 | 4–11 |
| 29–30 May 2019 | Deltapoll The Mail on Sunday |
6 | 4–8 | 4–10 | 4–11 | 4–12 |
| 28–29 May 2019 | YouGov The Times |
6 | 4–10 | 4–11 | 4–12 | 4–14 |
| 23–24 May 2019 | Lord Ashcroft | |||||
| 22 May 2019 | Survation Daily Mail |
1 | 0–3 | 0–3 | 0–3 | 0–4 |
| 14–21 May 2019 | Panelbase The Sunday Times |
|||||
| 17–20 May 2019 | Opinium The Times |
7 | 4–8 | 4–8 | 4–10 | 4–12 |
| 8–17 May 2019 | YouGov Best For Britain |
4 | 4–5 | 4–5 | 4–7 | 4–7 |
| 17 May 2019 | Survation Daily Mail |
1 | 0–3 | 0–3 | 0–4 | 0–5 |
| 14–16 May 2019 | Opinium The Observer |
0 | 0–3 | 0–3 | 0–4 | 0–4 |
| 13–14 May 2019 | YouGov The Times |
4 | 4–7 | 3–8 | 3–9 | 3–12 |
| 10–14 May 2019 | Ipsos MORI | 7 | 4–10 | 4–14 | 4–14 | 3–16 |
| 9–13 May 2019 | Kantar Public | 14 | 8–15 | 8–16 | 8–17 | 5–17 |
| 9–13 May 2019 | Hanbury Strategy | |||||
| 10–12 May 2019 | ComRes Daily Telegraph |
|||||
| 8–10 May 2019 | Opinium The Observer |
4 | 3–5 | 3–6 | 2–8 | 0–8 |
| 7–10 May 2019 | BMG Research | |||||
| 8–9 May 2019 | YouGov The Times |
4 | 4–7 | 4–7 | 3–9 | 3–10 |
| 9 May 2019 | ComRes Brexit Express |
7 | 4–9 | 4–10 | 4–13 | 4–14 |
| 3–7 May 2019 | Opinium | 5 | 4–8 | 4–9 | 4–11 | 3–14 |
| 29–30 April 2019 | YouGov | 4 | 3–4 | 2–5 | 2–6 | 1–8 |
| 23–24 April 2019 | YouGov The Times |
5 | 3–6 | 3–8 | 3–8 | 2–8 |
| 18–24 April 2019 | Panelbase The Sunday Times |
|||||
| 21–23 April 2019 | Opinium The Observer |
7 | 5–8 | 4–9 | 4–10 | 3–14 |
| 16–17 April 2019 | YouGov The Times |
5 | 3–6 | 3–8 | 3–8 | 2–9 |
| 17 April 2019 | OnePoll The Sun on Sunday |
|||||
| 16–17 April 2019 | ORB The Telegraph |
5 | 5–8 | 5–10 | 5–12 | 3–14 |
| 9–12 April 2019 | Opinium The Observer |
5 | 5–7 | 5–8 | 4–8 | 3–9 |
| 4–8 April 2019 | Kantar Public | 5 | 4–8 | 3–9 | 3–9 | 3–14 |
| 5–8 April 2019 | Hanbury Strategy Open Europe |
5 | 4–5 | 4–7 | 4–8 | 4–8 |
| 3–6 April 2019 | Survation | 5 | 5 | 4–5 | 4–5 | 4–5 |
| 2–5 April 2019 | BMG Research The Independent |
5 | 4–8 | 4–8 | 3–9 | 3–10 |
| 2–3 April 2019 | YouGov | 5 | 4–8 | 4–9 | 4–10 | 3–12 |
| 28–30 March 2019 | Deltapoll The Mail on Sunday |
5 | 4–8 | 4–8 | 4–8 | 2–10 |
| 28–29 March 2019 | Opinium The Observer |
1 | 0–3 | 0–3 | 0–3 | 0–5 |
| 24–25 March 2019 | YouGov The Times |
5 | 4–8 | 4–8 | 3–8 | 3–9 |
| 20–22 March 2019 | Opinium The Observer |
5 | 5–6 | 5–8 | 5–8 | 4–8 |
| 15–19 March 2019 | Ipsos MORI | 5 | 5–8 | 5–10 | 4–10 | 3–12 |
| 14–15 March 2019 | YouGov People’s Vote |
5 | 4–8 | 4–8 | 4–9 | 3–11 |
| 15 March 2019 | Survation Daily Mail |
1 | 0–3 | 0–5 | 0–5 | 0–5 |
| 12–15 March 2019 | Opinium The Observer |
5 | 5–8 | 5–8 | 4–8 | 3–10 |
| 7–11 March 2019 | Kantar Public | |||||
| 4–8 March 2019 | BMG Research | 5 | 4–8 | 3–8 | 3–9 | 3–10 |
| 3–4 March 2019 | YouGov The Times |
6 | 5–8 | 4–8 | 4–9 | 3–11 |
| 26 February–1 March 2019 | Opinium The Observer |
5 | 5–8 | 4–8 | 3–8 | 3–9 |
| 22–23 February 2019 | YouGov The Times |
5 | 5–9 | 5–10 | 4–10 | 3–11 |
| 21–23 February 2019 | Deltapoll The Mail on Sunday |
2 | 0–4 | 0–5 | 0–5 | 0–5 |
| 18–19 February 2019 | YouGov The Times |
5 | 3–5 | 3–6 | 3–7 | 2–8 |
| 18 February 2019 | Survation Daily Mail |
|||||
| 13–15 February 2019 | Opinium The Observer |
0 | 0–3 | 0–3 | 0–4 | 0–4 |
| 7–11 February 2019 | Kantar Public | 5 | 4–8 | 3–9 | 3–10 | 2–11 |
| 4–8 February 2019 | BMG Research | 5 | 4–8 | 3–8 | 3–8 | 3–10 |
| 1–5 February 2019 | Ipsos MORI | 5 | 4–8 | 3–8 | 3–9 | 2–11 |
| 3–4 February 2019 | YouGov The Times |
5 | 3–5 | 3–5 | 2–6 | 1–8 |
| 30 January–1 February 2019 | Opinium The Observer |
5 | 5–8 | 5–8 | 5–8 | 4–10 |
| 30 January 2019 | Survation Daily Mail |
|||||
| 23–25 January 2019 | Opinium People’s Vote |
5 | 5–8 | 4–8 | 4–8 | 4–9 |
| 16–18 January 2019 | Opinium The Observer |
5 | 5 | 4–7 | 4–8 | 4–8 |
| 16–18 January 2019 | ICM Research | 0 | 0–2 | 0–2 | 0–3 | 0–4 |
| 10–17 January 2019 | Number Cruncher Politics Politico |
5 | 4–8 | 4–8 | 3–8 | 2–10 |
| 16–17 January 2019 | ComRes Sunday Express |
5 | 5–6 | 4–8 | 3–8 | 3–8 |
| 14–15 January 2019 | ComRes Daily Express |
5 | 4–5 | 4–7 | 4–8 | 3–8 |
| 13–14 January 2019 | YouGov The Times |
4 | 3–5 | 3–5 | 2–6 | 2–8 |
| 10–14 January 2019 | Kantar Public | 5 | 4–8 | 3–8 | 3–8 | 2–11 |
| 10–11 January 2019 | Survation Daily Mail |
|||||
| 8–11 January 2019 | BMG Research The Independent |
5 | 4–7 | 3–8 | 3–8 | 3–10 |
| 6–7 January 2019 | YouGov The Times |
3 | 2–5 | 2–5 | 1–5 | 0–6 |
| 21 December 2018–4 January 2019 | YouGov People’s Vote |
3 | 3 | 3 | 3–5 | 3–5 |
| 18–20 December 2018 | Opinium | 0 | 0–3 | 0–4 | 0–4 | 0–4 |
| 16–17 December 2018 | YouGov The Times |
5 | 4–5 | 2–5 | 2–5 | 1–8 |
| 12–14 December 2018 | YouGov People’s Vote |
5 | 3–5 | 3–5 | 3–5 | 3–5 |
| 13–14 December 2018 | Opinium The Observer |
5 | 4–5 | 4–7 | 4–8 | 3–8 |
| 10–11 December 2018 | Populus | 5 | 4–5 | 4–6 | 4–8 | 3–8 |
| 6–7 December 2018 | YouGov The Sunday Times |
5 | 3–5 | 3–5 | 2–5 | 1–8 |
| 5–6 December 2018 | Kantar Public | 5 | 5–8 | 4–8 | 3–8 | 2–10 |
| 30 November–5 December 2018 | Ipsos MORI | 5 | 4–8 | 3–8 | 3–8 | 2–10 |
| 3–4 December 2018 | YouGov The Times |
5 | 3–5 | 2–5 | 2–5 | 1–8 |
| 30 November–2 December 2018 | ComRes Sunday Express |
0 | 0–2 | 0–3 | 0–3 | 0–4 |
| 26–27 November 2018 | YouGov The Times |
3 | 2–5 | 2–5 | 0–5 | 0–6 |
| 18–19 November 2018 | YouGov The Times |
4 | 2–5 | 2–5 | 1–5 | 0–6 |
| 14–15 November 2018 | Opinium | 5 | 4–8 | 4–8 | 4–8 | 2–9 |
| 14–15 November 2018 | ComRes Sunday Express |
5 | 4–5 | 4–6 | 4–8 | 3–8 |
| 8–12 November 2018 | Kantar Public | 5 | 4–8 | 4–8 | 3–8 | 2–9 |
| 2–7 November 2018 | Panelbase Constitutional Commission |
5 | 4–5 | 4–6 | 4–8 | 3–8 |
| 4–5 November 2018 | YouGov The Times |
4 | 2–5 | 2–5 | 0–5 | 0–6 |
| 20 October–2 November 2018 | Survation Channel 4 |
|||||
| 29–30 October 2018 | YouGov The Times |
4 | 2–5 | 2–5 | 0–5 | 0–5 |
| 26–28 October 2018 | ICM Research | 5 | 5–6 | 4–8 | 4–8 | 3–8 |
| 24–26 October 2018 | Deltapoll Mirror |
1 | 0–4 | 0–4 | 0–5 | 0–5 |
| 22–23 October 2018 | YouGov The Times |
5 | 4–5 | 4–7 | 4–8 | 3–8 |
| 19–22 October 2018 | Ipsos MORI | 5 | 4–8 | 3–8 | 3–9 | 2–10 |
| 14–15 October 2018 | YouGov The Times |
4 | 2–5 | 2–5 | 0–5 | 0–6 |
| 11–15 October 2018 | Kantar Public | 5 | 4–8 | 3–8 | 3–9 | 2–11 |
| 11–12 October 2018 | Opinium The Observer |
5 | 5–6 | 4–8 | 4–8 | 4–8 |
| 10 October 2018 | Survation | |||||
| 8–9 October 2018 | YouGov The Times |
5 | 3–5 | 3–5 | 2–5 | 1–8 |
| 4–7 October 2018 | BMG Research | 5 | 3–8 | 3–8 | 3–8 | 3–9 |
| 3–5 October 2018 | Opinium The Observer |
5 | 5 | 4–6 | 4–8 | 4–8 |
| 3–5 October 2018 | BMG Research The Independent |
5 | 4–6 | 3–8 | 3–8 | 3–9 |
| 30 September–1 October 2018 | YouGov The Times |
3 | 2–5 | 1–5 | 0–5 | 0–5 |
| 28–29 September 2018 | BMG Research HuffPost UK |
5 | 3–8 | 3–8 | 3–8 | 2–9 |
| 26–28 September 2018 | Opinium The Observer |
0 | 0–3 | 0–3 | 0–3 | 0–4 |
| 26–27 September 2018 | ComRes Sunday Express |
0 | 0–2 | 0–3 | 0–3 | 0–4 |
| 24–25 September 2018 | YouGov The Times |
3 | 2–5 | 1–5 | 0–5 | 0–6 |
| 21–24 September 2018 | ICM Research The Guardian |
0 | 0–2 | 0–3 | 0–3 | 0–4 |
| 21–22 September 2018 | BMG Research HuffPost UK |
2 | 0–4 | 0–5 | 0–5 | 0–5 |
| 18–20 September 2018 | Opinium | 5 | 5–6 | 4–8 | 4–8 | 3–8 |
| 18–19 September 2018 | YouGov The Times |
4 | 3–5 | 3–5 | 3–5 | 2–6 |
| 14–18 September 2018 | Ipsos MORI | 1 | 0–3 | 0–4 | 0–4 | 0–5 |
| 12–13 September 2018 | YouGov The Times |
3 | 2–5 | 0–5 | 0–5 | 0–5 |
| 11–13 September 2018 | Opinium The Observer |
5 | 5 | 4–6 | 4–8 | 4–8 |
| 6–10 September 2018 | Kantar Public | 1 | 0–3 | 0–4 | 0–5 | 0–5 |
| 7–9 September 2018 | ICM Research The Guardian |
0 | 0–2 | 0–3 | 0–4 | 0–4 |
| 7 September 2018 | Survation Daily Mail |
5 | 5–8 | 5–8 | 5–8 | 1–12 |
| 4–7 September 2018 | BMG Research The Independent |
1 | 0–3 | 0–3 | 0–3 | 0–5 |
| 3–4 September 2018 | YouGov The Times |
5 | 3–5 | 3–5 | 3–6 | 2–8 |
| 31 August–1 September 2018 | Survation | 5 | 4–7 | 4–8 | 4–8 | 2–10 |
| 28–29 August 2018 | YouGov The Times |
3 | 2–5 | 2–5 | 1–5 | 0–5 |
| 20–21 August 2018 | YouGov The Times |
5 | 3–5 | 2–5 | 2–5 | 1–8 |
| 17–19 August 2018 | ICM Research The Guardian |
0 | 0–2 | 0–3 | 0–4 | 0–4 |
| 14–17 August 2018 | Opinium The Observer |
5 | 5–6 | 4–8 | 4–8 | 4–8 |
| 14–16 August 2018 | Deltapoll The Sun on Sunday |
5 | 4–5 | 4–7 | 4–8 | 3–8 |
| 13–14 August 2018 | YouGov The Times |
4 | 2–5 | 1–5 | 0–5 | 0–5 |
| 9–13 August 2018 | Number Cruncher Politics | 5 | 4–7 | 4–8 | 3–8 | 2–9 |
| 9–13 August 2018 | Kantar Public | 5 | 4–8 | 4–8 | 3–8 | 2–10 |
| 6–10 August 2018 | BMG Research The Independent |
1 | 0–3 | 0–3 | 0–4 | 0–5 |
| 8–9 August 2018 | YouGov The Times |
5 | 3–5 | 3–5 | 2–6 | 1–8 |
| 3–5 August 2018 | ICM Research The Guardian |
0 | 0–2 | 0–3 | 0–4 | 0–4 |
| 30–31 July 2018 | YouGov The Times |
3 | 2–5 | 1–5 | 1–5 | 0–5 |
| 20–24 July 2018 | Ipsos MORI | 5 | 4–8 | 3–8 | 3–9 | 2–11 |
| 22–23 July 2018 | YouGov The Times |
3 | 2–5 | 2–5 | 1–5 | 0–5 |
| 20–22 July 2018 | ICM Research | 0 | 0–2 | 0–3 | 0–4 | 0–4 |
| 19–20 July 2018 | YouGov The Times |
5 | 3–5 | 2–5 | 2–5 | 1–7 |
| 16–17 July 2018 | YouGov The Times |
4 | 2–5 | 1–5 | 1–5 | 0–5 |
| 12–14 July 2018 | Deltapoll The Sun on Sunday |
5 | 4–5 | 4–7 | 4–8 | 3–8 |
| 10–13 July 2018 | Opinium The Observer |
5 | 4–5 | 4–7 | 4–8 | 3–8 |
| 10–11 July 2018 | YouGov The Times |
3 | 2–5 | 1–5 | 1–5 | 0–5 |
| 8–9 July 2018 | YouGov The Times |
4 | 2–5 | 1–5 | 1–5 | 0–5 |
| 5–9 July 2018 | Kantar Public | 5 | 4–8 | 3–8 | 3–8 | 2–10 |
| 6–9 July 2018 | ICM Research The Guardian |
0 | 0–2 | 0–3 | 0–3 | 0–4 |
| 7 July 2018 | Survation | 5 | 3–8 | 3–8 | 3–8 | 2–10 |
| 3–5 July 2018 | BMG Research | 5 | 5–8 | 4–8 | 3–8 | 3–9 |
| 3–4 July 2018 | YouGov The Times |
3 | 2–5 | 1–5 | 0–5 | 0–5 |
| 22–27 June 2018 | Ipsos MORI | 5 | 4–8 | 4–8 | 3–8 | 2–10 |
| 25–26 June 2018 | YouGov The Times |
5 | 3–5 | 2–5 | 2–5 | 0–8 |
| 22–24 June 2018 | ICM Research The Guardian |
0 | 0–2 | 0–3 | 0–3 | 0–4 |
| 19–20 June 2018 | Survation Good Morning Britain |
5 | 4–8 | 4–8 | 4–8 | 2–10 |
| 18–19 June 2018 | YouGov The Times |
4 | 2–5 | 0–5 | 0–5 | 0–5 |
| 11–12 June 2018 | YouGov The Times |
4 | 2–5 | 2–5 | 1–5 | 0–5 |
| 8–10 June 2018 | ICM Research The Guardian |
0 | 0–2 | 0–2 | 0–4 | 0–4 |
| 5–8 June 2018 | BMG Research The Independent |
1 | 0–3 | 0–3 | 0–3 | 0–5 |
| 5–7 June 2018 | Opinium The Observer |
5 | 5 | 4–6 | 4–8 | 4–8 |
| 4–5 June 2018 | YouGov The Times |
3 | 2–5 | 0–5 | 0–5 | 0–5 |
| 31 May–4 June 2018 | Survation | 5 | 4–5 | 4–6 | 4–8 | 3–8 |
| 28–29 May 2018 | YouGov The Times |
4 | 3–5 | 2–5 | 2–5 | 0–7 |
| 25–29 May 2018 | ICM Research The Guardian |
5 | 5 | 4–6 | 4–8 | 3–8 |
| 18–22 May 2018 | Ipsos MORI | 1 | 0–4 | 0–4 | 0–5 | 0–5 |
| 20–21 May 2018 | YouGov The Times |
4 | 2–5 | 2–5 | 1–5 | 0–5 |
| 16–17 May 2018 | ComRes Daily Mail |
5 | 4–5 | 4–5 | 4–7 | 4–8 |
| 15–16 May 2018 | Opinium The Observer |
5 | 4–6 | 4–8 | 4–8 | 4–8 |
| 13–14 May 2018 | YouGov The Times |
3 | 0–4 | 0–5 | 0–5 | 0–5 |
| 11–13 May 2018 | ICM Research The Guardian |
0 | 0–2 | 0–3 | 0–4 | 0–4 |
| 8–10 May 2018 | Survation | 5 | 4–5 | 4–6 | 4–8 | 3–8 |
| 8–9 May 2018 | YouGov The Times |
4 | 2–5 | 2–5 | 0–5 | 0–5 |
| 1–4 May 2018 | BMG Research The Independent |
0 | 0–3 | 0–3 | 0–4 | 0–5 |
| 30 April–1 May 2018 | YouGov The Times |
4 | 2–5 | 0–5 | 0–5 | 0–5 |
| 27–29 April 2018 | ICM Research The Guardian |
0 | 0–2 | 0–3 | 0–4 | 0–4 |
| 27–29 April 2018 | ComRes Daily Express |
0 | 0–2 | 0–3 | 0–3 | 0–4 |
| 24–25 April 2018 | YouGov The Times |
5 | 1–5 | 0–5 | 0–5 | 0–5 |
| 20–24 April 2018 | Ipsos MORI | 5 | 4–8 | 3–8 | 3–8 | 2–10 |
| 16–17 April 2018 | YouGov The Times |
4 | 2–5 | 0–5 | 0–5 | 0–5 |
| 14 April 2018 | Survation The Mail on Sunday |
5 | 4–5 | 4–6 | 4–7 | 3–8 |
| 10–13 April 2018 | BMG Research | 2 | 0–3 | 0–3 | 0–4 | 0–5 |
| 10–12 April 2018 | Opinium The Observer |
5 | 4–5 | 4–6 | 4–8 | 4–8 |
| 11–12 April 2018 | ComRes Sunday Express |
5 | 4–5 | 4–6 | 4–7 | 4–8 |
| 9–10 April 2018 | YouGov The Times |
3 | 0–5 | 0–5 | 0–5 | 0–5 |
| 6–8 April 2018 | ICM Research The Guardian |
0 | 0–3 | 0–4 | 0–4 | 0–4 |
| 4–5 April 2018 | YouGov The Times |
4 | 1–5 | 1–5 | 0–5 | 0–5 |
| 27 March–5 April 2018 | Number Cruncher Politics | 5 | 4–8 | 4–8 | 3–8 | 2–10 |
| 26–27 March 2018 | YouGov The Times |
2 | 0–4 | 0–5 | 0–5 | 0–5 |
| 16–18 March 2018 | ICM Research The Guardian |
5 | 4–6 | 4–6 | 4–8 | 4–8 |
| 13–16 March 2018 | BMG Research | 1 | 0–3 | 0–3 | 0–3 | 0–5 |
| 14–15 March 2018 | YouGov The Times |
5 | 3–5 | 2–5 | 2–5 | 0–6 |
| 13–15 March 2018 | Opinium The Observer |
5 | 4–6 | 4–6 | 4–8 | 4–8 |
| 7–8 March 2018 | Survation Good Morning Britain |
1 | 0–4 | 0–4 | 0–5 | 0–5 |
| 2–7 March 2018 | Ipsos MORI | 5 | 4–6 | 4–8 | 4–8 | 2–9 |
| 5–6 March 2018 | YouGov The Times |
4 | 2–5 | 1–5 | 1–5 | 0–5 |
| 2–4 March 2018 | ICM Research The Guardian |
0 | 0–2 | 0–3 | 0–4 | 0–4 |
| 26–27 February 2018 | YouGov The Times |
4 | 2–5 | 1–5 | 1–5 | 0–5 |
| 19–20 February 2018 | YouGov The Times |
4 | 1–5 | 1–5 | 0–5 | 0–5 |
| 16–19 February 2018 | ICM Research The Guardian |
0 | 0–2 | 0–3 | 0–4 | 0–4 |
| 12–13 February 2018 | YouGov The Times |
2 | 0–4 | 0–4 | 0–5 | 0–5 |
| 6–12 February 2018 | Kantar Public | 5 | 5 | 4–7 | 4–8 | 4–8 |
| 6–9 February 2018 | BMG Research | 1 | 0–3 | 0–4 | 0–4 | 0–5 |
| 6–8 February 2018 | Opinium The Observer |
5 | 5 | 4–6 | 4–7 | 4–8 |
| 5–6 February 2018 | YouGov The Times |
2 | 0–4 | 0–5 | 0–5 | 0–5 |
| 2–4 February 2018 | ICM Research The Guardian |
0 | 0–1 | 0–1 | 0–2 | 0–5 |
| 28–29 January 2018 | YouGov The Times |
4 | 1–5 | 1–5 | 1–5 | 0–5 |
| 26–29 January 2018 | Survation | 1 | 0–4 | 0–4 | 0–4 | 0–5 |
| 19–23 January 2018 | Ipsos MORI | 4 | 1–5 | 1–5 | 0–5 | 0–6 |
| 10–19 January 2018 | ICM Research The Guardian |
0 | 0–1 | 0–2 | 0–2 | 0–3 |
| 16–17 January 2018 | YouGov The Times |
4 | 2–5 | 1–5 | 1–5 | 0–5 |
| 12–14 January 2018 | ICM Research The Guardian |
5 | 4–5 | 4–5 | 4–8 | 4–8 |
| 11–12 January 2018 | Opinium The Observer |
0 | 0–3 | 0–4 | 0–4 | 0–4 |
| 9–12 January 2018 | BMG Research | 5 | 4–5 | 4–7 | 4–8 | 3–8 |
| 7–8 January 2018 | YouGov The Times |
4 | 2–5 | 1–5 | 1–5 | 0–5 |
Probability Mass Function
The following table shows the probability mass function per seat for the poll average for Plaid Cymru.
| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0 | 54% | 100% | Median |
| 1 | 2% | 46% | |
| 2 | 11% | 44% | |
| 3 | 9% | 33% | |
| 4 | 3% | 24% | Last Result |
| 5 | 14% | 22% | |
| 6 | 1.3% | 8% | |
| 7 | 0.9% | 6% | |
| 8 | 4% | 5% | |
| 9 | 0.4% | 1.0% | |
| 10 | 0.3% | 0.6% | |
| 11 | 0.2% | 0.2% | |
| 12 | 0% | 0% |