Senate federal level. Similarly in Argentina, in addition to the Senate at federal level, eight of the country's provinces, Buenos Aires, Catamarca, Corrientes, Entre Ríos, Mendoza, Salta, San Luis (since 1987) and Santa Fe, have bicameral legislatures with a Senate. Córdoba and Tucumán changed to unicameral systems in 2001 and 2003 respectively. In Australia and Canada, only the upper house of the federal parliament is known as the Senate. All Australian states other than Queensland have an upper house known as a Legislative council. Several Canadian provinces also once had a Legislative Council, but these have all been abolished, the last
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,