2027 Barcelona municipal election
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23 May 2027
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All 43[a] seats in the City Council of Barcelona 22 seats needed for a majority | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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A municipal election will be held in Barcelona on Sunday, 23 May 2027, to elect the 13th City Council of the municipality of Barcelona. All 43[a] seats in the City Council will be up for election. It will be held concurrently with regional elections in at least six autonomous communities and local elections all across Spain.
Overview
Under the 1978 Constitution, the governance of municipalities in Spain—part of the country's local government system—is centered on the figure of city councils (Spanish: ayuntamientos), local corporations with independent legal personality composed of a mayor, a government council and an elected legislative assembly.[2][3] In the case of Barcelona, the top-tier administrative and governing body is the City Council of Barcelona.[4]
Electoral system
Voting for local assemblies is on the basis of universal suffrage, which comprises all nationals over 18 years of age, registered and residing in the municipality of Barcelona and in full enjoyment of their political rights (provided that they are not sentenced—by a final court ruling—to deprivation of the right to vote), as well as resident non-national European citizens and those whose country of origin allow Spanish nationals to vote in their own elections by virtue of a treaty.[3][5][6]
Local councillors are elected using the D'Hondt method and a closed list proportional voting system, with an electoral threshold of five percent of valid votes (which includes blank ballots) being applied in each municipality.[7] Each municipality constitutes a multi-member constituency, entitled a number of seats based on the following scale:[8]
| Population | Councillors |
|---|---|
| <100 | 3 |
| 101–250 | 5 |
| 251–1,000 | 7 |
| 1,001–2,000 | 9 |
| 2,001–5,000 | 11 |
| 5,001–10,000 | 13 |
| 10,001–20,000 | 17 |
| 20,001–50,000 | 21 |
| 50,001–100,000 | 25 |
| >100,001 | +1 per each 100,000 inhabitants or fraction +1 if total is an even number |
The law does not provide for by-elections to fill vacated seats; instead, any vacancies that occur after the proclamation of candidates and into the legislative term are to be covered by the successive candidates in the list and, when required, by the designated substitutes.[9]
The mayor is indirectly elected by the local assembly.[3] A legal clause requires candidates to earn the vote of an absolute majority of councillors, or else the candidate of the most-voted party is to be automatically appointed to the post. In the event of a tie, the appointee is to be determined by lot.[10]
Election date
The term of city councils in Spain expires four years after the date of their previous election, with election day being fixed for the fourth Sunday of May every four years (as of 2026, this has been the year before a leap year). The election decree shall be issued no later than the fifty-fifth day prior to the scheduled election date and published on the following day in the Official State Gazette (BOE).[11] The previous local elections were held on 28 May 2023, setting the date for election day on the fourth Sunday of May four years later, which is 23 May 2027.
Local councils can not be dissolved before the expiry of their term, except in cases of mismanagement that seriously harm the public interest and imply a breach of constitutional obligations, in which case the Council of Ministers can—optionally—agree to call a by-election.[12]
Current council
The table below shows the composition of the political groups in the local assembly at the present time.[13]
| Groups | Parties | Councillors | |||
|---|---|---|---|---|---|
| Seats | Total | ||||
| Together for Catalonia's Municipal Group | JxCat | 11 | 11 | ||
| Socialist Municipal Group | PSC | 10 | 10 | ||
| Barcelona in Common's Municipal Group | BComú | 9 | 9 | ||
| Republican Municipal Group | ERC | 5 | 5 | ||
| People's Party's Municipal Group | PP | 4 | 4 | ||
| Vox's Municipal Group | Vox | 2 | 2 | ||
Parties and candidates
The electoral law allows for parties and federations registered in the interior ministry, alliances and groupings of electors to present lists of candidates. Parties and federations intending to form an alliance ahead of an election are required to inform the relevant electoral commission within ten days of the election call, whereas groupings of electors need to secure the signature of a determined amount of the electors registered in the municipality for which they seek election, disallowing electors from signing for more than one list of candidates. In the case of Barcelona, as its population is over 1,000,001, at least 8,000 signatures are required.[14] Amendments to the electoral law in 2024 increased requirements for a balanced composition of men and women in the electoral lists through the use of a zipper system.[15]
Below is a list of the main parties and electoral alliances which will likely contest the election:
| Candidacy | Parties and alliances |
Leading candidate | Ideology | Previous result | Gov. | Ref. | |||
|---|---|---|---|---|---|---|---|---|---|
| Vote % | Seats | ||||||||
| Junts | List
|
.jpg)
|
Jordi Martí | Catalan independence Sovereigntism Populism |
22.5% | 11 | 
|
[16] [17] | |
| PSC–CP | List
|
.jpg)
|
Jaume Collboni | Social democracy | 19.8% | 10 | 
|
||
| BComú–C | List
|
.jpg)
|
Gerardo Pisarello | Left-wing populism Participatory democracy |
19.8% | 9 |
|
[18] [19] | |
| ERC–AM | List |
.jpg)
|
Elisenda Alamany | Catalan independence Left-wing nationalism Social democracy |
11.2% | 5 |
|
[20] | |
| PP | List
|
.jpg)
|
Daniel Sirera | Conservatism Christian democracy |
9.2% | 4 |
|
||
| Vox | List
|
.jpg)
|
Gonzalo de Oro | Right-wing populism Ultranationalism National conservatism |
5.7% | 2 |
|
||
Opinion polls
The tables below list opinion polling results in reverse chronological order, showing the most recent first and using the dates when the survey fieldwork was done, as opposed to the date of publication. Where the fieldwork dates are unknown, the date of publication is given instead. The highest percentage figure in each polling survey is displayed with its background shaded in the leading party's colour. If a tie ensues, this is applied to the figures with the highest percentages. The "Lead" column on the right shows the percentage-point difference between the parties with the highest percentages in a poll.
Voting intention estimates
The table below lists weighted voting intention estimates. Refusals are generally excluded from the party vote percentages, while question wording and the treatment of "don't know" responses and those not intending to vote may vary between polling organisations. When available, seat projections determined by the polling organisations are displayed below (or in place of) the percentages in a smaller font; 21 seats are required for an absolute majority in the City Council of Barcelona.
| Polling firm/Commissioner | Fieldwork date | Sample size | Turnout | 
|
|
|
|
|
|
|
|
|
SALF | Lead |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Celeste-Tel/ERC[p 1][p 2] | 17–25 Nov 2025 | 803 | 59.0 | 11.6 6 |
20.5 10 |
15.1 7 |
16.5 8 |
9.5 4 |
6.1 3 |
4.8 0 |
– | 10.0 5 |
– | 4.0 |
| GESOP/El Periódico[p 3] | 15–19 Sep 2025 | 801 | ? | 14.8 7 |
23.5 11/12 |
14.2 6/7 |
13.0 6 |
8.2 3/4 |
7.0 3 |
5.0 0/2 |
– | 5.4 2 |
– | 8.7 |
| GESOP/El Periódico[p 4] | 13–18 Sep 2024 | 800 | ? | 18.4 8/9 |
23.1 11/12 |
17.0 8 |
11.2 5 |
9.5 4 |
5.8 2/3 |
5.0 0/1 |
– | – | – | 4.7 |
| EM-Analytics/Electomanía[p 5] | 28 Aug–15 Sep 2024 | 1,002 | ? | 18.9 9 |
23.5 12 |
17.1 8 |
10.2 5 |
11.3 5 |
5.5 2 |
3.6 0 |
– | 4.5 0 |
– | 4.6 |
| 2024 EP election | 9 Jun 2024 | N/a | 49.6 | 15.9 (7) |
29.9 (15) |
6.2 (3) |
13.8 (6) |
15.8 (7) |
5.0 (0) |
– | 6.7 (3) |
– | 2.0 (0) |
14.0 |
| EM-Analytics/Electomanía[p 6] | 1 Apr–15 May 2024 | 1,280 | ? | 20.7 9 |
21.9 10 |
17.3 8 |
10.4 5 |
11.1 5 |
5.9 2 |
3.4 0 |
– | 5.2 2 |
– | 1.2 |
| 2024 regional election | 12 May 2024 | N/a | 61.3 | 19.6 (9) |
27.9 (13) |
8.9 (4) |
12.9 (6) |
13.8 (6) |
6.2 (3) |
4.7 (0) |
– | 2.1 (0) |
– | 8.3 |
| 2023 general election | 23 Jul 2023 | N/a | 67.4 | 10.4 (4) |
33.2 (15) |
16.9 (8) |
12.2 (5) |
15.9 (7) |
5.8 (2) |
2.7 (0) |
[b] | – | – | 16.3 |
| 2023 municipal election | 28 May 2023 | N/a | 60.6 | 22.5 11 |
19.8 10 |
19.8 9 |
11.2 5 |
9.2 4 |
5.7 2 |
3.8 0 |
– | – | – | 2.7 |
Voting preferences
The table below lists raw, unweighted voting preferences.
| Polling firm/Commissioner | Fieldwork date | Sample size |
|
|
|
|
|
|
|
|
|
|
|
Lead |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Opinòmetre/City Council[p 7] | 17–25 Nov 2025 | 803 | 3.4 | 12.1 | 6.9 | 7.8 | 2.4 | 2.1 | 2.3 | – | 3.9 | 43.2 | 12.5 | 4.3 |
| GESOP/El Periódico[p 3] | 15–19 Sep 2025 | 801 | 5.6 | 18.4 | 8.2 | 11.7 | 2.8 | 3.4 | 3.3 | – | 2.7 | 24.3 | 10.5 | 6.7 |
| Opinòmetre/City Council[p 8] | 26 May–3 Jun 2025 | 807 | 4.0 | 16.1 | 7.9 | 7.5 | 2.4 | 1.9 | 2.7 | – | 2.0 | 38.0 | 11.3 | 8.2 |
| CIS[p 9] | 7–31 Mar 2025 | 971 | 5.3 | 22.7 | 7.5 | 8.2 | 6.6 | 3.0 | 2.3 | – | 4.2 | 28.8 | 5.8 | 14.5 |
| Opinòmetre/City Council[p 10] | 25 Nov–4 Dec 2024 | 805 | 5.7 | 14.4 | 8.7 | 5.8 | 2.4 | 1.1 | 3.8 | – | – | 38.0 | 15.5 | 5.7 |
| GESOP/El Periódico[p 4] | 13–18 Sep 2024 | 800 | 8.0 | 18.5 | 10.9 | 7.9 | 3.9 | 1.6 | 4.0 | – | – | 30.6 | 9.0 | 7.6 |
| Opinòmetre/City Council[p 11] | 25 Jun–4 Jul 2024 | 807 | 7.3 | 17.2 | 10.8 | 9.7 | 2.6 | 1.1 | 3.3 | – | – | 30.4 | 14.5 | 6.4 |
| 2024 EP election | 9 Jun 2024 | N/a | 7.9 | 14.8 | 3.1 | 6.9 | 7.8 | 2.5 | – | 3.3 | – | N/a | 50.4 | 14.1 |
| 2024 regional election | 12 May 2024 | N/a | 12.0 | 17.0 | 5.4 | 7.9 | 8.4 | 3.8 | 2.9 | – | 1.3 | N/a | 38.6 | 5.0 |
| Opinòmetre/City Council[p 12] | 15–24 Nov 2023 | 825 | 7.5 | 13.5 | 11.5 | 8.2 | 2.5 | 0.8 | 2.5 | – | – | 37.4 | 13.0 | 2.0 |
| 2023 general election | 23 Jul 2023 | N/a | 6.9 | 22.2 | 11.3 | 8.2 | 10.6 | 3.9 | 1.8 | [b] | – | N/a | 32.6 | 10.9 |
| 2023 municipal election | 28 May 2023 | N/a | 13.5 | 11.9 | 11.9 | 6.7 | 5.5 | 3.4 | 2.3 | – | – | N/a | 39.4 | 1.6 |
Preferred Mayor
The table below lists opinion polling on leader preferences to become mayor of Barcelona.
| Polling firm/Commissioner | Fieldwork date | Sample size | .jpg)
|
|
|
.jpg)
|
|
.jpg)
|
|
|
|
Other/ None/ Not care |
|
Lead |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Trias JxCat |
Martí JxCat |
Collboni PSC |
Colau BComú–C |
Sanz BComú–C |
Maragall ERC |
Alamany ERC |
Sirera PP |
Oro-Pulido Vox | ||||||
| CIS[p 9] | 7–31 Mar 2025 | 971 | 2.1 | 1.3 | 18.1 | 7.2 | 1.8 | 0.6 | 2.6 | 1.8 | 1.5 | 5.6 | 55.1 | 10.9 |
| Opinòmetre/City Council[p 13] | 30 May–8 Jun 2023 | 808 | 44.5 | – | 18.3 | 12.7 | – | 2.1 | – | 0.5 | 0.3 | 0.4 | 21.2 | 26.2 |
Notes
- ^ a b Seat total has been manually calculated by applying the electoral rules set out in the law, on the basis of the latest official population figures provided by the Spanish government as of 2026. As such, it should be deemed as a provisional, non-binding estimation. The definitive allocation will be determined by the election decree at the time of the parliament's dissolution.[1] The City Council size was set at 41 seats for the previous election.
- ^ a b Within Sumar.
References
Opinion poll sources
- ^ "El PSC guanyaria les eleccions a Barcelona amb ERC a l'alça". Nació Digital (in Catalan). 28 January 2026.
- ^ "[M] BARCELONA. Encuesta Celeste-Tel (interna ERC) 28/01/2026: PSC-CP 20,5% (10), ERC-AM 16,5% (8), BCOMÚ-C 15,1% (7), JUNTS 11,6% (6), ALIANÇA.CAT 10,0% (5), PP 9,5% (4), VOX 6,1% (3), CUP-AMUNT 4,8%". Electográfica (in Spanish). 28 January 2026.
- ^ a b "Encuesta elecciones Barcelona: El PSC se consolida frente a una oposición desdibujada". El Periódico (in Spanish). 24 September 2025.
- ^ a b "Encuesta elecciones Barcelona: El PSC se afianza en cabeza y Junts y los Comuns retroceden". El Periódico (in Spanish). 23 September 2024. Archived from the original on 23 September 2024.
- ^ "ElectoPanel Barcelona (30S): Collboni mejora sus datos". Electomanía (in Spanish). 30 September 2024.
- ^ "Encuesta elecciones Barcelona: El PSC se afianza en cabeza y Junts y los Comuns retroceden". Electomanía (in Spanish). 16 May 2024. Retrieved 16 May 2024.
- ^ "Baròmetre de Barcelona. Segona onada 2025". City Council of Barcelona (in Spanish). 30 December 2025.
- ^ "Baròmetre de Barcelona. Primera onada 2025". City Council of Barcelona (in Spanish). 30 June 2025.
- ^ a b "Tendencias y demandas municipales y autonómicas. Municipio de Barcelona (Estudio nº 3503. Marzo 2025)". CIS (in Spanish). 1 July 2025.
- ^ "Baròmetre de Barcelona. Segona onada 2024". City Council of Barcelona (in Spanish). 30 December 2024.
- ^ "Baròmetre de Barcelona. Primera onada 2024". City Council of Barcelona (in Spanish). 23 July 2024.
- ^ "Baròmetre de Barcelona. Segona onada 2023". City Council of Barcelona (in Spanish). 20 December 2023.
- ^ "Baròmetre Post-electoral de Barcelona. Juny 2023". City Council of Barcelona (in Spanish). 23 July 2023.
Other
- ^ Real Decreto 1117/2025, de 3 de diciembre, por el que se declaran oficiales las cifras de población resultantes de la revisión del Padrón municipal referidas al 1 de enero de 2025 (Royal Decree 1117/2025). Official State Gazette (in Spanish). 3 December 2025. Retrieved 12 December 2025.
- ^ Constitution (1978), art. 140.
- ^ a b c LBRL (1985), art. 19.
- ^ LBRL (1985), arts. 121–132.
- ^ Constitution (1978), art. 13.
- ^ LOREG (1985), arts. 2–3 & 176.
- ^ LOREG (1985), arts. 163 & 180.
- ^ LOREG (1985), art. 179.
- ^ LOREG (1985), arts. 46, 48 & 182.
- ^ LOREG (1985), art. 196.
- ^ LOREG (1985), arts. 42 & 194.
- ^ LBRL (1985), art. 61.
- ^ Lozano, Carles. "Eleccions municipals a Barcelona (des de 1979)". Historia Electoral.com (in Catalan). Retrieved 4 November 2025.
- ^ LOREG (1985), arts. 44 & 187.
- ^ LOREG (1985), art. 44 bis.
- ^ López Congostrina, Alfonso (26 July 2024). "Xavier Trias abandona la política: "Hoy no diré que 'us bombin'. Hoy os daré las gracias"". El País (in Spanish). Barcelona. Archived from the original on 28 July 2024. Retrieved 29 July 2024.
- ^ Martín, Jordi (1 September 2024). "Martí Galbis ya preside el grupo municipal de Junts en Barcelona después de la marcha de Trias". El Nacional.cat (in Spanish). Barcelona. Archived from the original on 9 September 2024. Retrieved 13 October 2024.
- ^ Llimós, Albert (8 September 2024). "Ada Colau confirma que deja el Ayuntamiento de Barcelona, pero abre la puerta a volver a presentarse en el 2027". Ara (in Spanish). Barcelona. Archived from the original on 8 September 2024. Retrieved 8 September 2024.
- ^ Vicente, Sandra (20 February 2026). "Gerardo Pisarello se impone a Bob Pop en las primarias de los Comuns y sucederá a Ada Colau como candidato en Barcelona". El País (in Spanish). Barcelona. Retrieved 20 February 2026.
- ^ López Congostrina, Antonio (21 December 2023). "Alamany consigue liderar ERC en Barcelona y será la sustituta de Maragall". El País (in Spanish). Retrieved 31 December 2024.
Bibliography
- Constitución Española (Constitution). Official State Gazette (in Spanish). 27 December 1978 [version as of 17 February 2024]. BOE-A-1978-31229. Retrieved 4 November 2025.
- Ley 7/1985, de 2 de abril, Reguladora de las Bases del Régimen Local (Law 7/1985). Official State Gazette (in Spanish). 2 April 1985 [version as of 3 January 2025]. BOE-A-1985-5392. Retrieved 4 November 2025.
- Ley Orgánica 5/1985, de 19 de junio, del Régimen Electoral General (Organic Law 5/1985). Official State Gazette (in Spanish). 19 June 1985 [version as of 14 July 2025]. BOE-A-1985-11672. Retrieved 4 November 2025.
