word | | Constitution |
| February | Congo, Democratic Republic of the | 18 February 2006 |
| February | Cuba | 24 February 1976; amended July 1992 and June 2002 |
| February | Guinea-Bissau | 16 May 1984; amended 4 May 1991, 4 December 1991, 26 February 1993, 9 June 1993, and in 1996 |
| February | Holy See (Vatican City) | new Fundamental Law promulgated by Pope John Paul II on 26 November 2000, effective 22 February 2001 (replaces the first Fundamental Law of 1929) |
| February | Kyrgyzstan | ... 1993; note - amendment proposed by President Askar AKAYEV and passed in a national referendum on 2 February 2003 significantly expanded the powers of the president at the expense of the legislature; during ... |
| February | Latvia | 15 February 1922; restored to force by the Constitutional Law of the Republic of Latvia adopted by the Supreme Council on 21 August 1991; multiple amendments since |
| February | Mexico | 5 February 1917 |
| February | Mongolia | 12 February 1992 |
| February | Namibia | ratified 9 February 1990, effective 12 March 1990 |
| February | Philippines | 2 February 1987, effective 11 February 1987 |
| February | Saint Lucia | 22 February 1979 |
| February | Slovakia | ratified 1 September 1992, effective 1 January 1993; changed in September 1998 to allow direct election of the president; amended February 2001 to allow Slovakia to apply for NATO and EU membership |
| February | South Africa | ... 1996; this new constitution was certified by the Constitutional Court on 4 December 1996, was signed by then President MANDELA on 10 December 1996, and entered into effect on 4 February 1997 |
| February | Swaziland | signed by the King in July 2005 went into effect on 8 February 2006 |
| February | Uruguay | 27 November 1966, effective 15 February 1967; suspended 27 June 1973, new constitution rejected by referendum 30 November 1980; two constitutional reforms approved by plebiscite 26 November 1989 and 7 January 1997 |
| February | Yemen | 16 May 1991; amended 29 September 1994 and February 2001 |
| federal | Belgium | 7 February 1831; amended many times; revised 14 July 1993 to create a federal state |
| Federal | Indonesia | August 1945; abrogated by Federal Constitution of 1949 and Provisional Constitution of 1950, restored 5 July 1959; series of amendments concluded in 2002 |
| Federal | Somalia | 25 August 1979, presidential approval 23 September 1979 note: the formation of transitional governing institutions, known as the Transitional Federal Government, is currently ongoing |
| Federal | 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 |
| Federated | Cyprus | ... the 1974 Turkish intervention, Turkish Cypriots created their own constitution and governing bodies within the "Turkish Federated State of Cyprus," which became the "Turkish Republic of Northern Cyprus (TRNC)" when the Turkish ... |
| federation | Canada | ... part of the constitution consists of the Constitution Act of 29 March 1867, which created a federation of four provinces, and the Constitution Act of 17 April 1982, which transferred formal control ... |
| female | Denmark | 5 June 1953 constitution allowed for a unicameral legislature and a female chief of state |
| filled | 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 ... |
| firms | Portugal | ... trimmed the powers of the president, and laid the groundwork for a stable, pluralistic liberal democracy; as well, they allowed for the privatization of nationalized firms and the government-owned communications media |
| five | France | ... immigration laws in 1993; amended in 2000 to change the seven-year presidential term to a five-year term; amended in 2005 to make the EU constitutional treaty compatible with the Constitution ... |