Electoral system

The Parliament of the Balearic Islands is the devolved, unicameral legislature of the autonomous community of the Balearic Islands, having legislative power in regional matters as defined by the Spanish Constitution and the Balearic Statute of Autonomy, as well as the ability to vote confidence in or withdraw it from a regional president.^[1] Voting for the Parliament is on the basis of universal suffrage, which comprises all nationals over 18 years of age, registered in the Balearic Islands and in full enjoyment of their political rights.

The 59 members of the Parliament of the Balearic Islands are elected using the D'Hondt method and a closed list proportional representation, with an electoral threshold of five percent of valid votes—which includes blank ballots—being applied in each constituency. Seats are allocated to constituencies, corresponding to the islands of Mallorca, Menorca, Ibiza and Formentera, with each being allocated a fixed number of seats:^[1][2]

Election date

The term of the Parliament of the Balearic Islands 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 Balearic Islands (BOIB), with election day taking place on the fifty-fourth day from publication. The previous election was held on 28 May 2023, which means that the legislature's term will expire on 28 May 2027. The election decree shall be published in the BOIB no later than 4 May 2027, with the election taking place on the fifty-fourth day from publication, setting the latest possible election date for the Parliament on Sunday, 27 June 2027.^[1][2][3]

The president has the prerogative to dissolve the Parliament of the Balearic Islands and call a snap election, provided that no motion of no confidence is in process and that dissolution does not occur before one year has elapsed since the previous one. In the event of an investiture process failing to elect a regional president within a sixty-day period from the first ballot, the Parliament is to be automatically dissolved and a fresh election called.^[1]

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; 30 seats are required for an absolute majority in the Parliament of the Balearic Islands.

Color key:

  Poll conducted after legal ban on opinion polls

More information Polling firm/Commissioner, Fieldwork date ...

Polling firm/Commissioner	Fieldwork date	Sample size	Turnout												Lead
IBES/Última Hora[p 1]	13–17 May 2024	1,300	?	38.8 28	23.9 16	13.1 6	10.9 5	4.7 0	1.8 0	2.0 3	0.3 0	0.3 0	0.4 1	–	14.9
2023 general election	23 Jul 2023	—	61.3	35.6 (23)	30.2 (18)	15.2 (7)	[lower-alpha 3]	[lower-alpha 3]	–	[lower-alpha 3]	–	–	–	16.6 (11)	5.4
2023 regional election	28 May 2023	—	55.1	35.8 25	26.5 18	13.9 8	8.4 4	4.4 1	3.8 0	1.4 2	1.4 0	0.4 1	0.4 0	–	9.3

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