On May 28 2006, president Álvaro Uribe was re-elected by a vote of 62%, with 22% going to Carlos Gaviria of the Democratic Pole, and 12% to Horacio Serpa of the Liberal Party.
; Legislative branch : Colombia's bicameral parliament is the Congress of Colombia, (or ''Congreso'' in Spanish), which consists of a 166-seat Chamber of Representatives of Colombia and the 102-seat Senate of Colombia. Members of both houses are elected by popular vote to serve four-year terms. With congressmen, Colombia also elects Department deputies, and city councils.
; Judicial branch : In the 1990s, the Colombian judicial system underwent significant reforms and is undergoing a process of migration from an inquisitorial system to an adversarial system. Parts of the coffee growing region of Colombia and Bogotá have already adopted the adversarial system, with the rest of the country following suit starting on January 1 2006. The judicial system is headed by the Constitutional Court and members are appointed by Congress out of nominations made by the President and other high ranking tribunals.
; Control Institutions: Procuraduría General de la Nación (General Procurement of the Nation), Defensoría del Pueblo, (Defensory of the People) Auditoría General de la República (General Auditing of the Republic) and the Contraloría General de la República (General Control of the Republic).
; Electoral Institutions: Consejo Nacional Electoral (National Electoral Council) and Registraduría Nacional del Estado Civil (National Registry of the Civil State).
Colombia is also a member of the Union of South American Nations.
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