<item><hi format=bold>National holiday:</hi> National Day, 23 June (1921) (public celebration of the Grand Duke's birthday)
<item><hi format=bold>Constitution:</hi> 17 October 1868, occasional revisions
<item><hi format=bold>Legal system:</hi> based on civil law system; accepts compulsory ICJ jurisdiction
<item><hi format=bold>Suffrage:</hi> 18 years of age; universal and compulsory
<item><hi format=bold>Executive branch:</hi>
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<item>• <hi format=ital>chief of state:</hi> Grand Duke JEAN (since 12 November 1964); Heir Apparent Prince HENRI (son of Grand Duke Jean, born 16 April 1955)
<item>• <hi format=ital>head of government:</hi> Prime Minister Jacques SANTER (since 21 July 1984); Vice Prime Minister Jacques F. POOS (since 21 July 1984)
<item>• <hi format=ital>cabinet:</hi> Council of Ministers; appointed by the sovereign
<item><hi format=bold>Chamber of Deputies (Chambre des Deputes):</hi> elections last held on 18 June 1989 (next to be held by June 1994); results—CSV 31.7%, LSAP 27.2%, DP 16.2%, Greens 8.4%, PAC 7.3%, KPL 5.1%, other 4.1%; seats—(60 total) CSV 22, LSAP 18, DP 11, Greens 4, PAC 4, KPL 1
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<item>• <hi format=ital>note:</hi> the Council of State (Conseil d'Etat) is an advisory body whose views are considered by the Chamber of Deputies
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<item><hi format=bold>Judicial branch:</hi> Superior Court of Justice (Cour Superieure de Justice)
<item><hi format=bold>Political parties and leaders:</hi> Christian Social Party (CSV), Jacques SANTER; Socialist Workers Party (LSAP), Jacques POOS; Liberal (DP), Colette FLESCH; Communist (KPL), Andre HOFFMANN; Green Alternative (GAP), Jean HUSS
<item><hi format=bold>Other political or pressure groups:</hi> group of steel companies representing iron and steel industry; Centrale Paysanne representing agricultural producers; Christian and Socialist labor unions; Federation of Industrialists; Artisans and Shopkeepers Federation
<item><hi format=bold>Flag:</hi> three equal horizontal bands of red (top), white, and light blue; similar to the flag of the Netherlands, which uses a darker blue and is shorter; design was based on the flag of France