Dyma restr o arolygon barn ar Iwerddon Unedig (o bobl gogledd Iwerddon) a elwir weithiau yn Iwerddon Newydd .
Iwerddon
Dyddiad
Cwmni
Sampl
Ie
Na
Heb benderfynnu
Ddim am bleidleisio
Arwain
2025
LucidTalk/Belfast Telegraph[ 1]
41%
48%
7%
2024
ARINS/Irish Times[ 2]
34%
48%
15%
19 Gorffennaf-27 Awst 2024
Social Market Research Belfast[ 3]
2,034
33.7%
48.6%
14%
3.7%
14.9%
9-12 Chwefror 2024
LucidTalk[ 4]
3,207
39%
49%
11%
1%
10%
Tachwedd 2023
ARINS/ The Irish Times[ 5] [ 6]
1,019
30%
51%
15%
5%
21%
26 Hydref - 3 Tachwedd 2023
The Institute of Irish Studies/Social Market Research[ 7]
1,074
31%
49%
9%
N/A
18%
17-30 Mehefin 2023
The Institute of Irish Studies/Social Market Research[ 8]
1,017
36.1%
47.0%
10%
6.2%
10.9%
5 Medi – 20 Tachwedd 2022
Northern Ireland Life and Times Survey[ 9] [ 10]
1,405
35%
47%
10%
4%
12%
17 Awst 2022 – 15 Hydref 2022
ARINS/The Irish Times[ 11] [ 12]
1,009
27%
50%
23%
23%
Awst 2022
LucidTalk[ 13]
3,384
41%
48%
11%
7%
11-26 Mawrth 2022
University of Liverpool/The Irish News[ 14]
1,000
30.0%
45.3%
*18.7%
6%
15.3%
15-18 Tachwedd 2021
Lord Ashcroft[ 15]
3,301
41%
49%
8%
8%
Hydref-Rhagfyr 2021
Life & Times[ 16]
1,397
34%
48%
11%
4%
14%
Hydref 2021
University of Liverpool[ 17]
1,002
29.8%
58.6%
9.1%
2.5%
28.8%
20-23 Awst 2021
LucidTalk[ 18]
2,403
42%
49%
9%
0%
7%
Mehefin 2021
Life & Times[ 19] [ 20]
30%
53%
9%
5%
23%
Mai 2021
Belfast Telegraph /Kantar[ 21]
35%
44%
21%
9%
Ebrill 2021
LucidTalk[ 22]
43%
49%
8%
6%
Chwefror 2021
Savanta ComRes/ITV News[ 23]
36%
49%
15%
13%
Ionawr 2021
Lucid Talk/The Sunday Times[ 24]
42.3%
46.8%
10.7%
4.5%
Cyfnod trawsnewid Brexit yn gorffen a'r Deyrnas Gyfunol yn gadael yr Undeb Ewropeaidd , 31 Rhagfyr 2020
Chwefror 2020
LucidTalk[ 25]
45%
47%
8%
2%
Chwefror 2020
Liverpool University[ 26]
29%
52%
19%
23%
Medi 2019
Lord Ashcroft[ 27]
1,542
46%
45%
9%
1%
Mawrth 2019
Irish Times /Ipsos Mori[ 28]
32%
45%
23%
13%
Mehefin 2018
Lord Ashcroft[ 29]
44%
49%
7%
5%
Mehefin 2018
NILT[ 30] [ 31]
22%
55%
10%
12%
33%
Mai 2018
LucidTalk/YouGov/BBC[ 32] [ 33] [ 34]
42%
45%
12.7%
0.2%
3%
Mai 2018
ICM
21%
50%
18.9%
9.7%
29%
Hydref 2017
LucidTalk[ 35] [ 36]
34%
55%
9.8%
1.1%
21%
Gorffennaf 2017
ESRC[ 37]
27%
52%
21%
25%
Awst 2016
Ipsos Mori[ 38]
22%
63%
13%
2%
41%
Refferendwm y Deyrnas Gyfunol ar adael yr Undeb Ewropeaidd , 23 Mehefin 2016
Refferendwm annibyniaeth yr Alban , 18 Medi 2014
Ionawr 2013
Spotlight[ 39]
17%
65%
5%
12%
48%
Tachwedd 2003
Millward Brown Ulster[ 40]
1058
26%
61%
13%
35%
Hydref-canol Ionawr 2002
NI Life and Times Survey[ 41]
1800
27%
54%
10%
6%
27%
Mai 2001
Millward Brown Ulster[ 40]
27%
58%
15%
31%
Mehefin 1998
Millward Brown Ulster[ 40]
25%
63%
12%
38%
Arwyddo Cytundeb Belffast , 10 Ebrill 1998
Ateb[ 42]
Grwp oedran
<35
35–44
45–54
55+
Ie (Iwerddon Unedig)
36%
34%
36%
34%
Na
44%
37%
55%
51%
Arwain
6%
12%
19%
17%
Dyddiad
Cwmni Arolwg Barn
Maint sampl
Ie
Na
Heb benderfynnu
Ddim am bleidleisio
Arwain
Cwestiwn
2025
LucidTalk/Belfast Telegraph[ 43]
53%
Mewn 20 mlynedd
9–12 Chwefror 2024
LucidTalk[ 44] [ 45]
3,207
52%
44%
–
8%
Rhywbryd yn y dyfodol
17–30 Mehefin 2023
The Institute of Irish Studies/Social Market Research[ 46]
–
40%
36%
–
4%
Mewn 15-20 mlynedd
Awst 2022
LucidTalk[ 43]
3,384
52%
44%
4%
8%
Os cynhelir refferendwm mewn 15-20 mlynedd
11–26 Mawrth 2022
Prifysgol Lerpwl/The Irish News[ 47]
1,000
33.4%
41.5%
*17.9%*
7.6%
8.1%
Mewn 15-20 mlynedd
(*Ddim yn cytuno/nac yn anghytuno)
Hydref 2015
RTÉ BBC NI Cross Border Survey : ROI + NI[ 48]
1,407
30%
43%
27%
13%
"...yn ystod eich bywyd?"
↑ "NI voters still favour the Union over a united Ireland – but gap narrows to 7%, poll finds" (yn Saesneg). 2025-02-24. ISSN 0307-1235 . Cyrchwyd 2025-02-24 .
↑ "Trends show rise in support for Irish unity among Northern voters" . The Irish Times (yn Saesneg). Cyrchwyd 2025-02-07 .
↑ "Research reveals supporters of the union are now a minority" . The Irish News (yn Saesneg). 2024-10-22. Cyrchwyd 2024-12-13 .
↑ "More people in NI would vote to stay part of UK if border poll was called" (yn Saesneg). 2024-02-18. ISSN 0307-1235 . Cyrchwyd 2024-02-18 .
↑ "Irish Times/ARINS poll: Support for United Ireland is strong, but debate on costs and compromises to come first" . The Irish Times (yn Saesneg). Cyrchwyd 2023-12-05 .
↑ "NI voters would decisively reject Irish unity in border poll, new survey suggests" . BelfastTelegraph.co.uk (yn Saesneg). 2023-12-02. ISSN 0307-1235 . Cyrchwyd 2023-12-05 .
↑ "Restoring the Assembly?" (PDF) .
↑ "Voting, Identity, Trust and Media" (PDF) .
↑ "Northern Ireland Life and Times Survey: 2022" . www.ark.ac.uk . Cyrchwyd 2023-06-10 .
↑ "Northern Ireland Life and Times Survey: 2022" . www.ark.ac.uk . Cyrchwyd 2023-06-10 .
↑ "Northern Ireland rejects Irish unity by large margin, poll shows" . The Irish Times (yn Saesneg). Cyrchwyd 2022-12-17 .
↑ "North and South methodology: How we took the pulse of Ireland on unity" . The Irish Times (yn Saesneg). Cyrchwyd 2022-12-17 .
↑ O'Brien, Stephen (21 August 2022). "Majority in North back Irish unity within next 20 years" . The Times (yn Saesneg). ISSN 0140-0460 . Cyrchwyd 21 August 2022 .
↑ "The Institute of Irish Studies, University of Liverpool - The Irish News Opinion Poll April 2022" (PDF) . Archifwyd o'r gwreiddiol (PDF) ar 15 April 2023. Cyrchwyd 28 May 2023 .
↑ "Ulster and the Union: the view from the North" (PDF) .
↑ "Political Attitudes in Northern Ireland after Brexit and under the Protocol" (PDF) .
↑ "The Ireland/Northern Ireland Protocol: Consensus or Conflict?" (PDF) . Cyrchwyd 2021-11-13 .
↑ "Northern Ireland (NI) Tracker Poll Results: August 2021 POLL QUESTIONS RESULTS – MAIN REPORT" (PDF) .
↑ "NI Life and Times Survey - 2020 : REFUNIFY" .
↑ "Majority of Northern Irish voters want vote on staying in UK" . TheGuardian.com . 29 August 2021.
↑ "Centenary poll: 44% in Northern Ireland want referendum but would not accept higher taxes to fund reunification" . Belfast Telegraph . 1 May 2021. Archifwyd o'r gwreiddiol ar 1 May 2021. Cyrchwyd 1 May 2021 .
↑ "NI would vote in stay in UK if border poll was held, according to survey" . Belfasttelegraph (yn Saesneg). Archifwyd o'r gwreiddiol ar 21 April 2021. Cyrchwyd 2021-04-21 .
↑ "ITN - State of the Union - NI - Feb 2021" (PDF) . Archifwyd o'r gwreiddiol (PDF) ar 2022-09-02. Cyrchwyd 2023-10-24 .
↑ White, Bill (2021-01-26). "LT NI SUNDAY TIMES January 2021 - NI-Wide Poll" . LucidTalk (yn Saesneg). Cyrchwyd 2023-10-25 .
↑ Ingoldsby, Sinéad (24 February 2020). "Results of a future border poll on a knife edge" . thedetail. Archifwyd o'r gwreiddiol ar 24 February 2020. Cyrchwyd 24 February 2020 .
↑ "Poll shows Northern Ireland majority against united Ireland" . Reuters. 18 February 2020. Archifwyd o'r gwreiddiol ar 18 February 2020. Cyrchwyd 18 February 2020 .
↑ Ashcroft, Michael (11 September 2019). "Lord Ashcroft: My Northern Ireland polling. Six out of ten voters there accept the backstop. But only one in five Unionists do so" . Lord Ashcroft Polls . Archifwyd o'r gwreiddiol ar 11 September 2019. Cyrchwyd 11 September 2019 .
↑ Leahy, Pat (7 March 2019). "Irish Times poll: Northern Ireland voters do not want DUP-Tory Brexit" . www.ipsos.com . Archifwyd o'r gwreiddiol ar 8 March 2019. Cyrchwyd 7 March 2019 .
↑ Ashcroft, Michael (19 June 2018). "Brexit, the Border and the Union" . LordAshcroftPolls.com . Archifwyd o'r gwreiddiol ar 19 June 2018. Cyrchwyd 14 March 2019 .
↑ "2016 Survey: How would you vote in a referendum on whether Northern Ireland should leave the UK and unite with the Republic of Ireland?" . Northern Ireland LIFE & TIMES . Northern Ireland Social and Political Archive . 11 June 2018. Archifwyd o'r gwreiddiol ar 13 July 2018. Cyrchwyd 14 March 2019 .
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↑ "LucidTalk Tracker Poll (Northern Ireland - NI) Results Report" (PDF) . LucidTalk. 6 June 2018. t. 133. Archifwyd o'r gwreiddiol (PDF) ar 14 March 2019. Cyrchwyd 14 March 2019 .
↑ Stone, Jon (8 June 2018). "Brexit causes surge in support for united Ireland, poll finds" . The Independent . Archifwyd o'r gwreiddiol ar 12 June 2018. Cyrchwyd 14 March 2019 . Over a quarter of people in the six counties say they have changed their mind since the Brexit vote and now support a united Ireland – bringing polling for a referendum to 45 per cent staying in the UK and 42 per cent leaving it, with 13 per cent undecided.
↑ "LT NI Tracker Poll (October 2017) - Results Report" . LucidTalk. 2 November 2017. Archifwyd o'r gwreiddiol ar 14 March 2019. Cyrchwyd 14 March 2019 .
↑ "LucidTalk Tracker Poll (Northern Ireland) Results Report" (PDF) . LucidTalk. 1 November 2017. Archifwyd o'r gwreiddiol (PDF) ar 14 March 2019. Cyrchwyd 14 March 2019 .
↑ Tonge, Jon (27 July 2017). "Survey: Voters polarised on same-sex marriage, Brexit, an Irish Language Act in Northern Ireland" . Belfast Telegraph . Archifwyd o'r gwreiddiol ar 28 July 2017. Cyrchwyd 14 March 2019 . If Brexit led to a border poll, 52% would vote for Northern Ireland to remain part of the UK and 27% for a united Ireland.
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↑ 40.0 40.1 40.2 "Millward Brown Ulster - Reports - Opinion Poll, May 2003 : Slides" . 2007-02-08. Archifwyd o'r gwreiddiol ar 2007-02-08. Cyrchwyd 2023-10-24 .
↑ "NI Life and Times Survey - 2002: REFUNIFY" . www.ark.ac.uk . Cyrchwyd 2023-10-24 .
↑ "Gap between Union and united Ireland support narrows in latest poll" . The National (yn Saesneg). 2025-02-24. Cyrchwyd 2025-02-27 .
↑ 43.0 43.1 "NI voters still favour the Union over a united Ireland – but gap narrows to 7%, poll finds" (yn Saesneg). 2025-02-24. ISSN 0307-1235 . Cyrchwyd 2025-02-24 .
↑ "More people in NI would vote to stay part of UK if border poll was called" (yn Saesneg). 2024-02-18. ISSN 0307-1235 . Cyrchwyd 2024-02-18 .
↑ "Majority in North under 45 would vote for united Ireland" . Independent.ie (yn Saesneg). 2024-02-19. Cyrchwyd 2024-02-19 .
↑ "Voting, Identity, Trust and Media" (PDF) .
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