Bicameralism Canadian provinces had all their upper houses abolished. In Argentina, eight provinces have bicameral legislatures, with a Senate and a Chamber of Deputies: Buenos Aires, Catamarca, Corrientes, Entre Ríos, Mendoza, Salta, San Luis (since 1987) and Santa Fe. Tucumán and Córdoba changed to unicameral systems in 1990 and 2001 respectively. In Australian states, the lower house was traditionally elected based on the one-vote-one-value principle, whereas the upper house was partially appointed and elected, with a bias towards country voters and landowners. In Queensland, the appointed upper house was abolished in 1922, while in New South Wales there were similar attempts
Provinces of South Africa by the National Assembly. Each one of South Africa’s nine provinces sends 10 representatives to the National Council of Provinces. Six of these are permanent members of the council, and four are special delegates. Each province is governed by a unicameral legislature. The size of the legislature is proportional to population, ranging from 30 members in the Northern Cape to 80 in KwaZulu-Natal. The legislatures are elected every five years by a system of party-list proportional representation; by convention, they are all elected on the same day, at the same time as the National Assembly election. The provincial legislature elects,