Parliament is unicameral and is located in Reykjavik.
The Althing has 54 members, who are elected to four-year terms by popular vote. 9 of them are divided among the political parties in relation to the number of votes that each party receives. The body then divides itself into a lower chamber of 42 members and an upper chamber of 21 members.
Presidents
1944-1952 Sveinn Björnsson
1952-1968 Ásgeir Ásgeirsson
1968-1980 Kristjan Eldjárn
1980-1996 Vigdís Finnbogadóttir
1996 now Ólafur Ragnar Grímsson
Prime Ministers
1904-1909 Hannes Hafstein
1909-1911 Björn Jónsson
1911-1912 Kristján Jónsson
1912-1914 Hannes Hafstein
1914-1915 Sigurður Eggerz
1915-1917 Einar Arnórsson
1917-1922 Jón Magnússon
1922-1924 Sigurður Eggerz
1924-1926 Jón Magnússon
1926-1927 Jón Þorláksson
1927-1932 Tryggvi Þórhallsson
1932-1934 Ásgeir Ásgeirsson
1934-1942 Hermann Jónasson
1942-1942 Ólafur Thors
1942-1944 Björn Þórðarson
1944-1947 Ólafur Thors
1947-1949 Stefán Jóhann Stefánsson
1949-1950 Ólafur Thors
1950-1953 Steingrímur Steinþórsson
1953-1956 Ólafur Thors
1956-1958 Hermann Jónasson
1958-1959 Emil Jonsson
1959-1963 Ólafur Thors
1963-1970 Bjarni Benediktsson
1970-1971 Johann Hafstein
1971-1974 Ólafur Jóhannesson
1974-1978 Geir Hallgrimsson
1978-1978 Ólafur Jóhannesson
1978-1980 Benedict Gröndal
1980-1983 Gunnar Thoroddsen
1983-1987 Steingrímur Hermannsson
1987-1988 Thorsteinn Pálsson
1988-1991 Steingrímur Hermannsson
1991-2004 Davíd Oddsson
2004-2006 Halldór Ásgrímsson
2006-2009 Geir H. Haarde
2009 now Jóhanna Sigurdardóttir