Parliament is unicameral and is located in Antananarivo.
The National Assembly has 134 members, who are elected to four-year terms by popular vote.
Kings
1819-1828 Radama I
1828-1861 Ranavalona I
1861-1863 Radama II
1863-1868 Rasoaherina
1868-1883 Ranavalona II
1883-1896 Ranavalona III
1896-1960 (French rule)
Presidents
1960-1972 Philibert Tsiranana
1972-1975 Gabriel Ramanantsoa
1975-1975 Richard Rataimandrava
1975-1975 Gilles Adriamahazo
1975-1993 Didier Ratsiraka
1993-1996 Albert Zafy
1996-1997 Norbert Ratsirahonana (acting)
1997-2002 Didier Ratsiraka
2002-2009 Marc Ravalomanana
2009-2009 Hyppolite Ramaroson (head of military directorate)
2009 now Andry Rajoelina (president of High Authority of Transition)
Prime Ministers
1960-1975 (As president)
1975-1976 Joël Rakotomala
1976-1977 Justin Rakotoriaina
1977-1988 Désiré Rakotoarijaona
1988-1991 Victor Ramahotra
1991-1993 Guy Willy Razanamasy
1993-1995 Francisque Ravony
1995-1996 Emmanuel Rakotovahiny
1996-1997 Norbert Ratsirahonana
1997-1998 Pascal Rakotomavo
1998-2002 Tantely Andrianarivo
2002-2007 Jacques Sylla (appointed)
2002-2002 Jean-Jacques Rasolondraibe (interim; appointed)
2007-2009 Charles Rabemananjara
2009 now Monja Roindefo