The next Basque regional election will be held no later than Sunday, 21 May 2028, to elect the 14th Parliament of the Basque Autonomous Community. All 75 seats in the Parliament will be up for election.
The 75 members of the Basque Parliament are elected using the D'Hondt method and a closed listproportional representation, with an electoral threshold of three percent of valid votes—which includes blank ballots—being applied in each constituency. Seats are allocated to constituencies, corresponding to the provinces of Álava, Biscay and Gipuzkoa, with each being allocated a fixed number of 25 seats in order to provide for an equal parliamentary representation of the three provinces, as required under the regional statute of autonomy.[1][2]
Election date
The term of the Basque Parliament expires four years after the date of its previous election, unless it is dissolved earlier. The election decree shall be issued no later than the twenty-fifth day prior to the date of expiry of parliament and published on the following day in the Official Gazette of the Basque Country (BOPV), with election day taking place on the fifty-fourth day from publication. The previous election was held on 21 April 2024, which means that the legislature's term will expire on 21 April 2028. The election decree is required to be published in the BOPV no later than 28 March 2028 with the election taking place on the fifty-fourth day from publication, setting the latest possible election date for the Parliament on Sunday, 21 May 2028.[1][2]
The lehendakari has the prerogative to dissolve the Basque Parliament at any given time and call a snap election, provided that no motion of no confidence is in process. In the event of an investiture process failing to elect a lehendakari within a sixty-day period from the Parliament re-assembly, the Parliament is to be dissolved and a fresh election called.[3]
Parliamentary composition
The table below shows the composition of the parliamentary groups in the Parliament at the present time of dissolution.[4]
The electoral law allows for parties and federations registered in the interior ministry, coalitions and groupings of electors to present lists of candidates. Parties and federations intending to form a coalition 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 at least one percent of the electorate in the constituencies for which they seek election, disallowing electors from signing for more than one list of candidates.[2][5]
Below is a list of the main parties and electoral alliances which will likely contest the election:
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; 38 seats are required for an absolute majority in the Basque Parliament.
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