At present, the national territory is dwelled by 36.1 million inhabitants and is made up by 23 provinces and the Federal District, settled in the City of Buenos Aires. The official language is Spanish.
The National Constititution, in force since 1853, was last modified in 1994. The new Constitution has set forth that the Argentinian Nation has stated a Representative, Republican and Federal form of government, which is divided into three branches: executive, legislative and judicial.
The executive branch is exercised by the President and the Vice President of the Argentinian Nation for a four-year term. They are directly elected by the people and they may be re-elected for only one consecutive period. The legislative branch is made up by two chambers.
The Senate, made up by three senators for each province and three for the City of Buenos Aires. The House of Representatives is made up by representatives directly elected by the people whose number is proportional to the number of inhabitants in each district. The judicial branch is exercised by the Supreme Court of Justice and other lower courts.
Each province has its own constitution under the Republican Representative System, pursuant to the principles, statements and guarantees contained in the National Constitution.