In December 1990, he will be forced out by a no-confidence motion supported by PP, PSOE, PRC and CDS, which would result in a coalition government headed by Socialist Jaime Blanco being formed until the 1991 election.

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

[2][3][4] The term of the Regional Assembly of Cantabria expired four years after the date of its previous election.

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

The "Lead" column on the right shows the percentage-point difference between the parties with the highest percentages in a poll.