word | | Constitution |
| December | Switzerland | revision of Constitution of 1874 approved by the Federal Parliament 18 December 1998, adopted by referendum 18 April 1999, officially entered into force 1 January 2000 |
| December | Taiwan | adopted on 25 December 1946; effective 25 December 1947; amended in 1991, 1992, 1994, 1997, 1999, 2000, 2005 |
| December | United Arab Emirates | 2 December 1971; made permanent in 1996 |
| December | Uzbekistan | adopted 8 December 1992 |
| December | Venezuela | 30 December 1999 |
| December | Zimbabwe | 21 December 1979 |
| decision | France | ... term; amended in 2005 to make the EU constitutional treaty compatible with the Constitution of France and to ensure that the decision to ratify EU accession treaties would be made by referendum |
| decisions | Canada | made up of unwritten and written acts, customs, judicial decisions, and traditions; the written part of the constitution consists of the Constitution Act of 29 March 1867, which created a federation of ... |
| Declaration | Israel | no formal constitution; some of the functions of a constitution are filled by the Declaration of Establishment (1948), the Basic Laws of the parliament (Knesset), and the Israeli citizenship law; note - since ... |
| Declaration | Libya | ... Libyan government, the Revolutionary Command Council replaced the existing constitution with the Constitutional Proclamation in December 1969; in March 1977, Libya adopted the Declaration of the Establishment of the People's Authority |
| declared | Cyprus | ... State of Cyprus," which became the "Turkish Republic of Northern Cyprus (TRNC)" when the Turkish Cypriots declared their independence in 1983; a new constitution for the "TRNC" passed by referendum on 5 ... |
| decree | Oman | none; note - on 6 November 1996, Sultan QABOOS issued a royal decree promulgating a basic law considered by the government to be a constitution which, among other things, clarifies the royal succession ... |
| decree | Saudi Arabia | governed according to Islamic law; the Basic Law that articulates the government's rights and responsibilities was promulgated by royal decree in 1992 |