Response options: Conservative, Labour, Liberal Democrat, Scottish National Party, Plaid Cymru, Green Party, UK Independence Party, Brexit Party, Other, Ulster Unionist Party (nir), Democratic Unionist Party (nir), Sinn Féin (nir), Social Democratic and Labour Party (nir), Alliance Party (nir), Traditional Unionist (nir), Green Party (nir), Independent(s) (nir), People Before Profit Alliance (nir), Progressive Unionist Party, Aontú (nir)
Response options: Obyčajní Ľudia a nezávislé osobnosti, Smer – SD, SME Rodina, ĽS Naše Slovensko, Pogresívne Slovensko - Spolu, Sloboda a Solidarita (SaS), Za ľudí, Other, Not applicable, Refusal, Don't know, No answer
Response options: DESUS - Demokraticna stranka upokojencev Slovenije, L - Levica, LMŠ - Lista Marjana Šarca, NSI - Nova Slovenija – Kršcanski demokrati, PS - Pozitivna Slovenija, SD - Socialni demokrati, SAB - Stranka Alenke Bratušek, SDS - Slovenska demokratska stranka, SLS - Slovenska ljudska stranka, SMC - Stranka modernega centra, SNS - Slovenska nacionalna stranka, Other, Not applicable, Refusal, Don't know, No answer
Response options: A - Aliança, B.E. - Bloco de Esquerda, CDS-PP - CDS-Partido Popular, CHEGA, IL - Iniciativa Liberal, JPP - Juntos pelo Povo, L - LIVRE, MAS - Movimento Alternativa Socialista, NC - Nós, Cidadãos!, PPV/CDC - Partido Cidadania e Democracia Cristã, PCTP/MRPP - Partido Comunista dos Trabalhadores Portugueses, PCP- Partido Comunista Português, MPT - Partido da Terra, PDR - Partido Democrático Republicano, PEV - Partido Ecologista os Verdes, Ergue-te (ex-PNR - Partido Nacional Renovador), POUS - Partido Operário de Unidade Socialista, PAN - Pessoas-Animais-Natureza, PPM - Partido Popular Monárquico, PPD/PSD - Partido Social Democrata
Response options: Vnatrešna makedonska revolucionerna organizacija - Demokratska partija za makedonsko nacionalno edinstvo (VMRO-DPMNE), Socijaldemokratski sojuz na Makedonija (SDSM), Demokratska unija za integracija (DUI), Alijansa za Albancite (AA), Alternativa, Dviženje Besa, Liberalno-demokratska partija (LDP), Levica, Nova socijaldemokratska partija (NSDP), Socijalistička partija na Makedonija (SPM), Demokratska obnova na Makedonija (DOM), Vnatrešna makedonska revolucionerna organizacija - Narodna partija (VMRO-NP), Gragjanska opcija za Makedonija (GROM), Demokratska partija na Albancite (DPA), Demokratska partija na Srbite vo Makedonija (DPSM), Demokratska partija na Turcite na Makedonija (DPTM), Demokratski sojuz (DS), Partija za dviženje na Turcite vo Makedonija (PDT), Partija na penzioneri (PP), Srpska stranka vo Makedonija (SSM)
Response options: People's Party for Freedom and Democracy, Labour Party, Party for Freedom, Socialist Party, Christian Democratic Appeal, Democrats '66, Christian Union, Green Left, Reformed Political Party, Party for the Animals, 50PLUS, DENK, Forum for Democracy, Article 1, Volt, JA21, BoerBurgerBeweging, Pieter Omtzigt, Belang van Nederland, Other
Response options: Demokratska partija socijalista (DPS), Socijaldemokratska partija (SDP), Socijaldemokrate Crne Gore (SD), Socijalistička narodna partija (SNP), Demokratski front (DF), Liberalna partija Crne Gore (LPCG), Demokratski savez DEMOS, Ujedinjena Crna Gora (UCG), Demokratska Crna Gora - DEMOKRATE, Ujedinjena reformska akcija (URA), Bošnjačka stranka (BS), Demokratski savez u Crnoj Gori (DSCG), Demokratska unija Albanaca (DUA), Albanska alternativa (AA), FORCA, Hrvatska građanska inicijativa (HGI), Prava Crna Gora, Other, Not applicable, Refusal
Response options: Homeland Union - Lithuanian Christian Democrats (TS-LKD), Lithuanian Peasant and Greens Union (LVZS), Labour Party (DP), Lithuanian Social Democratic Party (LSDP), Freedom Party (LP), Liberals' Movement of the Republic of Lithuania (LRLS), Electoral Action of Poles in Lithuania-Christian Families Alliance (LLRA-KSS), Social Democratic Labour Party of Lithuania (LSDDP), Centre Party - Nationalists (CPT), National Alliance (NS), Party 'Freedom and Justice' (LT), Lithuanian Greens Party (LZP), Political Party 'The Way of Courage' (DK), Party 'Lithuania - For everyone' (LV), Christian Union (KS), Union of Intergenerational Solidarity - Cohesion for Lithuania (KSSL), Lithuanian People's Party (LLP), Other, Not applicable, Refusal
Response options: Movimento 5 Stelle, Partido Democratico, Lega, Forza Italia, Fratelli d'Italia con Giorgia Meloni, Liberi e Uguali (LEU), + Europa, Noi con l'Italia - UDC, Potere al popolo, Casapound Italia, Italia Europa Insieme, Il popolo della famiglia, Civica Popolare Lorenzin, SVP-PATT, Altro, Italia Viva, Unione Valdotaine, Partito Comunista, Vox Italia, Partito Socialista