Socialist Party of the Islands of the Valencian Country (PSPV), part of the Socialist Coordination of the Catalan Countries. Ahead of the 1977 general election, PSI created an alliance together with MSM and MSEF, joining the People's Socialist Party (PSP) in the Socialist Unity (US) coalition. US did not gain any seat in the Congress nor in the Senate in the Balearic Islands constituency. After the election, PSI refused to merge with the Balearic federation of the Spanish Socialist Workers' Party, and instead founded the Socialist Party of Majorca (PSM). Socialist Party of the Islands Socialist Party of the Islands (Catalan: "Partit Socialista de les
Balearic Islands declined between 2007 and 2017 while the largest-increasing populations were the Moroccans, Italians, and Romanians. Each one of the three main islands is administered, along with its surrounding minor islands and islets, by an insular council ("consell insular" in Catalan) of the same name. These four insular councils are the first level of subdivision in the autonomous community (and province) of the Baleares. Before the administrative reform of 1977, the two insular councils of Ibiza and Formentera were forming in a single one (covering the whole group of the Pitiusic Islands). This level is further subdivided into six comarques only