Opinion polling on the European Union in Poland

Left: Leszek Miller, signatory of the Polish accession treaty.
Right: Poland highlighted on a map of the EU

Poland accessed the European Union on 1 May 2004 following a membership referendum, where 77% of voters chose to join the Union.[1][2] In the leadup to the referendum and afterwards, several polling agencies conducted opinion polls regarding on Poland's membership and issues related to the European Union.

Membership voting intention

Leaving (after 2003)

Date(s)
conducted 		Polling firm/Link Sample size Remain Leave Don't know/Neutral Net remain
12–19 Jan 2026 OGB 1,000 67.5 24.5 8.0 43.0
31 Dec 2025–1 Jan 2026 Pollster / "SE.pl" 1,002 69 22 9 47
5–8 Dec 2025 IBRiS / WP.pl 1,000 65.7 24.7 9.6 41.0
25–28 Nov 2025 Eurobazooka / LGC 1,008 69 25 6 44
31 Jan – 6 Feb 2019 OGB 1,000 86.9 6.7 6.4 80.2
5–8 Dec 2003 CBOS 1,000 63 29 9 34
7–10 Nov 2003 CBOS 1,088 63 30 7 33
3–6 Oct 2003 1,016 69 23 8 46
5–8 Sep 2003 CBOS 1,105 67 20 13 47

Accession (until 2003)

Date(s)
conducted 		Polling firm/Link Sample size Support Oppose Don't know/Neutral Net remain
7–8 Jun 2003 2003 referendum 17,576,714 77.45 22.55 54.90
29 May – 1 Jun 2003 CBOS 1,264 76 13 11 63
9–12 May 2003 CBOS 1,260 74 15 11 59

Adaptation of the Euro

Date(s)
conducted 		Polling firm/Link Sample size For Against Other option Don't know/Neutral Net support
31 Dec 2025–1 Jan 2026 Pollster / "SE.pl" 1,002 21 70 9 –49
19–20 Dec 2025 IBRiS / Radio ZET 1,068 20.4 72.3 7.2 –51.9
19–20 Dec 2025 IBRiS / Rz[a] 1,068 29 62 11 –33
25–28 Nov 2025 Eurobazooka / LGC 1,008 14 72 9[b] 5 –58

Membership satisfaction

Date(s)
conducted 		Polling firm/Link Sample size Approve Disapprove Neither Don't know/Neutral Net support
Aug 2025[c] Ipsos 4,303[c] 72 11 3 61
8 Jan – 26 Apr 2025[c] Pew Research Center 28,333[c] 60 38 22
11 Jan – 15 May 2024[c] Pew Research Center 11,294[c] 76 21 55
19–21 Apr 2024 United Surveys / DGP, RMF FM 1,000 70 22 8 48
20 Feb – 22 May 2023[c] Pew Research Center 27,285[c] 87 10 77
1 Jun – 18 Jul 2019 Pew Research Center 1,030 84 14 70

Other polls

An IBRiS poll for Rzeczpospolita conducted on 5–6 December 2025 found that 48.9% of Poles believed Poland should recognize same-sex marriages formalized in other European Union countries, while 44.1% believed Poland should not.[3]

An SW Research poll for Rzeczpospolita conducted on 6–7 January 2026 found that 15.6% of respondents believed that the competences should grow, 33.5% believed they should remain the same as currently, 21.0% believed that the EU should relinquish competences to the member states, and 14.9% believed the EU should dissolve.[4]

Notes

  1. ^ Question wording: "Should Poland join adapt the Euro as its currency in the next 10 years?"
  2. ^ doesn't matter
  3. ^ a b c d e f g h The poll was conducted internationally, and the fieldwork dates and/or sample size spans all countries where the poll was conducted.

References

  1. ^ Referendum 2003, National Electoral Commission, retrieved 2025-12-22
  2. ^ Bednarz, Paweł (1 May 2019). "Kilkanaście lat temu Polacy zdecydowali o wejściu do UE. "Chcieliśmy by TAK było silniejsze niż NIE!" [WYWIAD]". Business Insider. Retrieved 2025-12-22.
  3. ^ Ćwiek-Świdecka, Joanna (22 December 2025). "Polacy nie mówią "nie" związkom homoseksualnym". Rzeczpospolita. Retrieved 2025-12-22.
  4. ^ Bartkiewicz, Artur (13 January 2025). "Sondaż: Jak powinna zmienić się Unia Europejska? Poznaliśmy zdanie Polaków". Rzeczpospolita. Retrieved 2026-01-13.
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