The electoral system uses the D'Hondt method and a closed-list proportional representation, with a minimum threshold of five percent.

The Statute provided for the two provinces in Extremadura—Badajoz and Cáceres—to be established as multi-member districts in the Assembly of Extremadura, with this regulation being maintained under the 1987 regional electoral law.

The exception was the 1983 election, when each constituency was allocated a fixed number of seats: 35 for Badajoz and 30 for Cáceres.

[2][3][4] Voting is on the basis of universal suffrage, which comprises all nationals over eighteen, registered in Extremadura and in full enjoyment of their political rights.

[5][6] Seats 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.