[1] Voting for the Parliament was on the basis of universal suffrage, which comprised all nationals over 18 years of age, registered in the Balearic Islands and in full enjoyment of their political rights.

[2] The 59 members of the Parliament of the Balearic Islands were elected using the D'Hondt method and a closed list proportional representation, with an electoral threshold of five percent of valid votes—which included blank ballots—being applied in each constituency.

[1][3][4] The president had the prerogative to dissolve the Parliament of the Balearic Islands and call a snap election, provided that no motion of no confidence was in process and that dissolution did not occur before one year had elapsed since the previous one.

[1] The Parliament of the Balearic Islands was officially dissolved on 2 April 2019 after the publication of the dissolution decree in the BOIB, setting the election date for 26 May.

[10] In March 2017, a fraudulent contract to the campaign manager of Més made by the regional vice president, Gabriel Barceló, appeared in the media.

The cause was a fraudulent contract for a municipal company in Palma made by the time Gijón was deputy mayor, also involving part of his family.

This fact, along with controversies and internal disputes since March, made him resign as regional vice president and tourism minister.

[38] In March 2019, Cs held its primaries, having Marc Pérez-Ribas winning over the regional leader and 2015 candidate Xavier Pericay.

The highest percentage figure in each polling survey is displayed with its background shaded in the leading party's colour.