Arolygon barn ar annibyniaeth i Gymru
Dyma restr o arolygon barn sydd yn ymwneud â Annibyniaeth i Gymru.
| Mae'r erthygl hon yn rhan o'r gyfres: |
 |
|
Cymru o fewn y DU
Cymru o fewn yr UE
Gweithgarwch gwleidyddol
|
|
|
Arolygon Ie/Na dros annibyniaeth
golygu| Dyddiad | Trefnwr | Maint sampl | A ddylai Cymru fod yn wlad annibynnol? |
Eithrio ddim yn gwybod |
Arwain | ||
|---|---|---|---|---|---|---|---|
| Ie | Na | Di-benderfyniad | |||||
| 18 Hydref - 4 Tachwedd 2024 | Survation | 1,782 | 30% | 51% | 19% | 37% i 63% | 21% |
| 2-8 Medi 2024 | YouGov | 1,207 | 24% | 61% | 15% | 28% i 72% | 37% |
| 3-7 Mehefin 2024 | Redfield & Wilton Strategies | 960 | 33% | 57% | 10% | 37% i 63% | 24% |
| 30 Mai-03 Mehefin 2024 | YouGov | 1066 | 24% | 53% | 14% | 31% i 69% | 29% |
| 18-19 Mai 2024 | Redfield & Wilton Strategies | 900 | 29% | 59% | 12% | 33% i 67% | 30% |
| 23-24 Mawrth 2024 | Redfield & Wilton Strategies | 878 | 30% | 58% | 11% | 34% i 66% | 32% |
| 18 Chwefror 2024 | Redfield & Wilton Strategies | 874 | 27% | 61% | 12% | 31% i 69% | 34% |
| 24-26 Ionawr 2024 | Redfield & Wilton Strategies | 1,100 | 30% | 59% | 11% | 34% i 66% | 29% |
| 10-11 Rhagfyr 2023 | Redfield & Wilton Strategies | 1,086 | 34% | 58% | 9% | 37% i 63% | 24% |
| 12-13 Tachwedd 2023 | Redfield & Wilton Strategies | 1,100 | 33% | 56% | 12% | 37% i 63% | 23% |
| 1-6 Medi 2023 | YouGov | 22% | 56% | 13% | 28% i 72% | 34% | |
| 13-14 Awst 2023 | Redfield & Wilton Strategies | 1,068 | 33% | 53% | 14% | 38% i 62% | 20% |
| 14–16 Gorffennaf 2023 | Redfield & Wilton Strategies | 1,050 | 32% | 58% | 10% | 36% i 64% | 26% |
| 17–18 Mehefin 2023 | Redfield & Wilton Strategies | 1,000 | 30% | 57% | 13% | 34% i 66% | 27% |
| 12–17 Mai 2023 | YouGov/Barn Cymru | 1,064 | 20% | 54% | 15% | 27% i 73% | 34% |
| 14–15 Mai 2023 | Redfield and Wilton Strategies | 1,058 | 32% | 58% | 11% | 36% i 64% | 26% |
| 15–17 Ebrill 2023 | Redfield and Wilton Strategies | 1,251 | 29% | 60% | 11% | 33% i 67% | 31% |
| 17–23 Chwefror 2023 | YouGov / WalesOnline | 1,083 | 18% | 55% | 16% | 25% i 75% | 37% |
| 25 Tachwedd – 1 Rhagfyr 2022 | YouGov / Barn Cymru | 1,042 | 22% | 55% | 14% | 29% i 71% | 33% |
| 21-25 Tachwedd 2022 | YouGov / YesCymru | 1,033 | 23% | 54% | 13% | 31% | |
| 20–22 Medi 2022 | YouGov / Barn Cymru | 1,014 | 24% | 52% | 14% | 28% | |
| 16–19 Awst 2022 | YouGov / The Sunday Times | 1,025 | 25% | 53% | 12% | 28% | |
| 12–16 Mehefin 2022 | YouGov / ITV Wales | 1,020 | 25% | 50% | 25% | 25% | |
| 25 Chwefror – 1 Mawrth 2022 | YouGov/ Barn Cymru | 1,086 | 21% | 53% | 26% | 32% | |
| 5 Mai 2021 | Savanta ComRes Archifwyd 2022-02-16 yn y Peiriant Wayback | 1,002 | 30% | 55% | 15% | 25% | |
| 2-4 Mai 2021 | YouGov / Welsh Barometer | 1,071 | 21% | 55% | 14% | 34% | |
| 29 Ebrill – 4 Mai 2021 | Savanta ComRes Archifwyd 2022-02-16 yn y Peiriant Wayback | 1,002 | 27% | 58% | 14% | 31% | |
| 23–28 Ebrilll 2021 | Savanta ComRes Archifwyd 2021-12-04 yn y Peiriant Wayback | 1,002 | 42% | 49% | 8% | 7% | |
| 18–21 Ebrill 2021 | YouGov | 1,142 | 22% | 54% | 24% | 32% | |
| 9–19 Ebrill 2021 | Opinium / Sky News | 2,005 | 28% | 52% | 19% | 24% | |
| 16–19 Mawrth 2021 | Welsh Barometer Survey / YouGov | 1,174 | 22% | 55% | 23% | 33% | |
| 18–22 Chwefror 2021 | Savanta ComRes / ITV News[dolen farw] | 1,003 | 35% | 55% | 10% | 20% | |
| 19–22 Chwefror 2021 | WalesOnline / YouGov | 1,059 | 25% | 50% | 14% | 25% | |
| 18–21 Ionawr 2021 | The Sunday Times / YouGov | 1,059 | 23% | 52% | 25% | 29% | |
| 11–14 Ionawr 2021 | Welsh Barometer Survey / YouGov | 1,018 | 22% | 53% | 25% | 29% i 71% | 31% |
| 26–29 Hydref 2020 | Welsh Barometer Survey / YouGov | 1,013 | 23% | 53% | 25% | 30% i 70% | 30% |
| 24–27 Awst 2020 | YesCymru / YouGov | 1,044 | 25% | 52% | 23% | 32% i 68% | 27% |
| 29 Gorffennaf – 7 Awst 2020 | YesCymru / YouGov | 1,044 | 26% | 55% | 19% | 32% i 68% | 29% |
| 29 Mai – 1 Mehefin 2020 | ITV Wales / YouGov / Cardiff Uni | 1,021 | 25% | 54% | 21% | 32% i 68% | 29% |
| 20–26 Ionawr 2020 | Welsh Barometer Survey / YouGov | 1,037 | 21% | 57% | 22% | 27% i 73% | 36% |
| 6–9 Rhagfyr 2019 | Welsh Barometer Survey / YouGov | 1,020 | 17% | 60% | 23% | 22% i 78% | 43% |
| 22–25 Tachwedd 2019 | Welsh Barometer Survey / YouGov | 1,116 | 20% | 57% | 22% | 26% i 74% | 37% |
| 31 Hydref – 4 Tachwedd 2019 | Welsh Barometer Survey / YouGov | 1,032 | 22% | 57% | 21% | 28% i 72% | 35% |
| 10–14 Hydref 2019 | Welsh Barometer Survey / YouGov | 1,032 | 21% | 57% | 23% | 27% i 73% | 36% |
| 6–10 Medi 2019 | Plaid Cymru / YouGov | 1,039 | 24% | 52% | 23% | 32% i 68% | 28% |
| 7–14 Rhagfyr 2018 | Sky News Data: Wales | 1,014 | 17% | 67% | 16% | 20% i 80% | 50% |
| 30 May – 6 Mehefin 2018 | YouGov | 2,016 | 19% | 65% | 16% | 23% i 77% | 46% |
| Gorffennaf 2016 | ITV Wales / YouGov Archifwyd 2020-08-14 yn y Peiriant Wayback | 1,010 | 15% | 65% | 20% | 19% i 81% | 50% |
| 8–11 Medi 2014 | ITV Wales / YouGov / Cardiff University | >1,000 | 17% | 70% | 13% | 20% i 80% | 53% |
| Ebrill 2014 | YouGov | 1,000 | 12% | 74% | 14% | 14% i 86% | 62% |
Cwestiynnau â chyd-destun (ansafonnol)
golygu| Dyddiad | Trefnwr | Maint sampl | A ddylai Cymru fod yn wlad annibynnol? | Eithrio ddim yn gwybod | Arwain | Nodiadau | ||
|---|---|---|---|---|---|---|---|---|
| Ie | Na | Di-benderfyniad | ||||||
| 6–10 Medi 2019 | Plaid Cymru / YouGov | 1,039 | 33% | 48% | 20% | 41% i 59% | 15% | Os fyddai Cymru annibynnol yn aeold o'r Undeb Ewropeaidd |
| Gorffennaf 2016 | ITV Wales / YouGov Archifwyd 2020-08-14 yn y Peiriant Wayback | 1,010 | 28% | 53% | 20% | 35% i 65% | 25% | Os fyddai Cymru annibynnol yn aeold o'r Undeb Ewropeaidd |
| Gorffennaf 2016 | ITV Wales / YouGov Archifwyd 2019-08-06 yn y Peiriant Wayback | 1,010 | 19% | 61% | 21% | 24% i 76% | 42% | Os yw'r Alban yn gadel y DU |
| Mawrth 2013 | ITV Wales / YouGov | Unknown | 10% | 62% | 28% | 14% i 86% | 52% | Os yw'r Alban yn gadel y DU |
Oedran
golyguFe wnaeth arolwg barn garn Redfield and Wilton ofyn y cwestiwn canlynol ym mis Rhagfyr 2023, "Pe bai refferendwm yfory gyda’r cwestiwn canlynol, sut fyddech chi’n pleidleisio? A ddylai Cymru fod yn wlad annibynnol?". Mae'r ffigyrau yn cynnwys tebygolrywdd o bleidleisio ac yn eithrio "ddim yn gwybod".[1][2] Addaswyd ffigyrau YouGov i i dynnu y rhai nad oddent yn gwybod.
Redfield & Wilton
golygu| Mai 2024[3] | 16-24 | 25-34 | 35-44 | 45-54 | 55-64 | 65+ |
| Ie | 36% | 52% | 46% | 37% | 30% | 18% |
| Na | 64% | 48% | 54% | 63% | 70% | 82% |
| Mawrth 2024[4] | 16-24 | 25-34 | 35-44 | 45-54 | 55-64 | 65+ |
| Ie | 40% | 44% | 52% | 29% | 22% | 29% |
| Na | 60% | 56% | 48% | 71% | 78% | 71% |
| Chwefror 2023[5] | 16-24 | 25-34 | 35-44 | 45-54 | 55-64 | 65+ |
| Ie | 46% | 42% | 54% | 22% | 29% | 13% |
| Na | 54% | 58% | 46% | 78% | 71% | 87% |
| Ionawr 2024[6] | 16-24 | 25-34 | 35-44 | 45-54 | 55-64 | 65+ |
| Ie | 59% | 53% | 47% | 29% | 28% | 16% |
| Na | 41% | 47% | 53% | 71% | 72% | 84% |
| Rhagfyr 2023[1] | 16-24 | 25-34 | 35-44 | 45-54 | 55-64 | 65+ |
| Ie | 55% | 59% | 48% | 27% | 33% | 21% |
| Na | 45% | 41% | 52% | 73% | 67% | 79% |
| Awst 2023[2] | 18-24 | 25-34 | 35-44 | 45-54 | 55-64 | 65+ |
| Ie | 58% | 60% | 45% | 28% | 34% | 29% |
| Na | 42% | 40% | 55% | 72% | 66% | 71% |
| Ebrill 2023[7] | 16-17 | 18-24 | 25-34 | 35-44 | 45-54 | 55-64 | 65+ |
| Ie | 46% | 42% | 45% | 44% | 29% | 24% | 20% |
| Na | 54% | 58% | 55% | 56% | 71% | 76% | 80% |
YouGov
golygu| Medi 2023[1] | 16-24 | 25-49 | 50-64 | 65+ |
| Ie | 45% | 33% | 25% | 19% |
| Na | 55% | 67% | 75% | 81% |
| Mai/Mehefin 2018[8] | 18-24 | 25-49 | 50-64 | 65+ |
| Ie | 29% | 31% | 21% | 17% |
| Na | 71% | 69% | 79% | 83% |
Arolygon annibyniaeth "0-10"
golyguGofynnwyd i ymatebwyr roi sgôr o 0–10. 0–4 Yn erbyn, 5 difater, 6–10 O Blaid. Dileu "Ddim yn Gwybod".
| Dyddiad | Cwmni | Sampl | Cyfanswm ffafriol | O blaid | Difater | Yn erbyn | Cyfanswm anffafriol | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |||||
| 10–15 Mai 2019 | YesCymru / YouGov | 1,133 | 36% | 14% | 4% | 5% | 6% | 7% | 17% | 5% | 6% | 6% | 2% | 28% | 47% |
| 9–12 Mai 2017 | YesCymru / YouGov Archifwyd 2018-04-01 yn y Peiriant Wayback | 1,000 | 29% | 10% | 2% | 6% | 6% | 5% | 18% | 4% | 6% | 7% | 5% | 31% | 53% |
Arolygon annibynniaeth a datganoli
golygu| Dyddiad | Cwmni | Cefnogi annibyniaeth (%) |
Cefnogi mwy o bwerau i'r Senedd (%) | Cefnogi status quo (%) | Cefnogi llai o bwerau i'r Senedd (%) | Cefnogi diddymu y Senedd (%) | Difater/dim ateb/Arall (%) |
|---|---|---|---|---|---|---|---|
| 28 Ionawr – 21 Chwefror 2021[9] | BBC / ICM Unlimited | 14 | 35 | 27 | 3 | 15 | 6 |
| 29 Mai – 1 Mehefin 2020[10] | ITV Cymru a Phrifysgol Caerdydd / YouGov | 16 | 20 | 24 | 5 | 22 | 14 |
| 4–22 Chwefror 2020[11] | BBC / ICM | 11 | 43 | 25 | 2 | 14 | 3 |
| 7–23 Chwefror 2019[12] | BBC / ICM | 7 | 46 | 27 | 3 | 13 | 4 |
| Rhagfyr 2018[13] | SkyData | 8 | 40 | 23 | 4 | 18 | 7 |
| Chwefror 2017 [14] | BBC / ICM | 6 | 44 | 29 | 3 | 13 | 4 |
| Chwefror 2016[15] | BBC / ICM | 6 | 43 | 30 | 3 | 13 | 4 |
| Chwefror 2015[16] | BBC / ICM | 6 | 40 | 33 | 4 | 13 | 4 |
| Medi 2014 [17] | BBC / ICM | 3 | 49 | 26 | 2 | 12 | 6 |
| Chwefror 2014 [18] | BBC / ICM | 5 | 37 | 28 | 3 | 23 | 5 |
| 2013 [19] | BBC / ICM | 9 | 36 | 28 | 2 | 20 | 4 |
| 2012 [19] | BBC / ICM | 7 | 36 | 29 | 2 | 22 | 4 |
| 2011 [19] | BBC / ICM | 11 | 35 | 18 | 17 | 15 | 4 |
| 2010 [19] | BBC / ICM | 11 | 40 | 13 | 18 | 13 | 4 |
Annibyniaeth vs Dim datganoli
golygu| Dyddiad | Cwmni | Sampl | Annibyniaeth (gan gynnwys is-samplau) |
Dim llywodraeth ddatganoledig (gan gynnwys is-samplau) |
Difater / dim ateb (%) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cyfanswm (%) | Ceidwadwyr (%) | Llafur (%) | Democratiaid Rhyddfrydol (%) | Plaid Cymru (%) | Cyfanswm (%) | Ceidwadwyr (%) | Llafur (%) | Democratiaid Rhyddfrydol (%) | Plaid Cymru (%) | ||||
| 29 Mai – 1 Mehefin 2020 | ITV Cymru / YouGov / Prifysgol Caerdydd Archifwyd 2020-09-04 yn y Peiriant Wayback | 1,021 | 33% | 12% | 45% | 39% | 87% | 45% | 79% | 35% | 53% | 4% | 21% |
Gweler hefyd
golyguArolygon barn
golyguCymru
golygu- Datganoli Cymru
- Annibyniaeth i Gymru
- Mudiad gweriniaethol Cymru
- Rhestr o Gymry a wrthododd "Anrhydedd Brydeinig"
- Rhestr mudiadau Cymru
- Gwleidyddiaeth Cymru
Gwledydd eraill
golyguCyfeiriadau
golygu- ↑ 1.0 1.1 1.2 Strategies, Redfield & Wilton (2023-12-13). "Latest Welsh Westminster, Senedd & Independence Referendum Voting Intention (10-11 December 2023)". Redfield & Wilton Strategies (yn Saesneg). Cyrchwyd 2023-12-13.
- ↑ 2.0 2.1 Strategies, Redfield & Wilton (2023-08-16). "Welsh Westminster, Senedd & Independence Referendum Voting Intention (13-14 August 2023)". Redfield & Wilton Strategies (yn Saesneg). Cyrchwyd 2023-12-13.
- ↑ "Latest Welsh Westminster, Senedd & Independence Referendum Voting Intention (18-19 May 2024)". Redfield & Wilton Strategies (yn Saesneg). 2024-05-22. Cyrchwyd 2024-05-22.
- ↑ Strategies, Redfield & Wilton (2024-03-27). "Latest Welsh Westminster, Senedd & Independence Referendum Voting Intention (23-24 March 2024)". Redfield & Wilton Strategies (yn Saesneg). Cyrchwyd 2024-03-28.
- ↑ Strategies, Redfield & Wilton (2024-02-21). "Latest Welsh Westminster, Senedd & Independence Referendum Voting Intention (18 February 2024)". Redfield & Wilton Strategies (yn Saesneg). Cyrchwyd 2024-03-28.
- ↑ Strategies, Redfield & Wilton (2024-01-30). "Latest Welsh Westminster, Senedd & Independence Referendum Voting Intention (24-26 January 2024)". Redfield & Wilton Strategies (yn Saesneg). Cyrchwyd 2024-01-30.
- ↑ Strategies, Redfield & Wilton (2023-04-20). "Welsh Westminster, Senedd & Independence Referendum Voting Intention (15-17 April 2023)". Redfield & Wilton Strategies (yn Saesneg). Cyrchwyd 2023-12-13.
- ↑ "YouGov / Future of England Survey Results" (PDF).
- ↑ "Voting attitudes and Senedd powers quizzed in poll for BBC Wales". BBC News. 28 February 2021. Cyrchwyd 28 February 2021.
- ↑ Awan-Scully, Roger (5 June 2020). "Attitudes to Devolution and Welsh Independence". Cardiff University (yn Saesneg). Archifwyd o'r gwreiddiol ar 2020-09-04. Cyrchwyd 5 June 2020.
- ↑ "St Davids Day Poll 2020". 1 March 2020.
- ↑ "Attitudes to Brexit and economy polled". BBC News. 1 March 2019.
- ↑ Awan-Scully, Roger (20 December 2018). "Does Wales Want to Abolish the Assembly?". Cardiff University. Archifwyd o'r gwreiddiol ar 2021-05-15. Cyrchwyd 2023-01-09.
- ↑ "EU migrants should have skills, public tells BBC Wales poll". BBC News. 2017-03-01.
- ↑ "St David's Day Poll" (PDF). blogs.cardiff.ac.uk. 1 March 2016. Cyrchwyd 2019-08-11.
- ↑ "ICM Poll for the BBC" (PDF). www.icmunlimited.com. 2016. Cyrchwyd 2019-08-11.
- ↑ "'Record low' back Welsh independence - BBC/ICM poll". Wales Online. 2014-09-15. Cyrchwyd 2014-09-19.
- ↑ "BBC Cymru Wales poll: Few in Wales back Scottish independence". BBC News. 28 February 2014. Cyrchwyd 6 April 2014.
- ↑ 19.0 19.1 19.2 19.3 "Historical Polls". icmunlimited. Cyrchwyd 2022-06-24.