word | | Constitution |
| effect | European Union | ... years for ratification either by parliamentary vote or national referendum before it was scheduled to take effect on 1 November 2006; defeat in French and Dutch referenda in May-June 2005 dealt ... |
| effect | South Africa | 10 December 1996; note - 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 |
| effect | Swaziland | signed by the King in July 2005 went into effect on 8 February 2006 |
| effective | Akrotiri | Sovereign Base Areas of Akrotiri and Dhekelia Order in Council 1960, effective 16 August 1960, functions as a basic legal document |
| effective | Algeria | 8 September 1963; revised 19 November 1976; effective 22 November 1976; revised 3 November 1988, 23 February 1989, 28 November 1996, 10 April 2002, and 12 November 2008 |
| effective | American Samoa | ratified 2 June 1966; effective 1 July 1967 |
| effective | Andorra | Andorra's first written constitution was drafted in 1991; approved by referendum 14 March 1993; effective 28 April 1993 |
| effective | Australia | 9 July 1900; effective 1 January 1901 |
| effective | Bangladesh | 4 November 1972; effective 16 December 1972; suspended following coup of 24 March 1982; restored 10 November 1986; amended many times |
| effective | Belarus | 15 March 1994; revised by national referendum of 24 November 1996 giving the presidency greatly expanded powers and became effective 27 November 1996; revised again 17 October 2004 removing presidential term limits |
| effective | Botswana | March 1965; effective 30 September 1966 |
| effective | Central African Republic | ratified by popular referendum 5 December 2004; effective 27 December 2004 |
| effective | Chile | 11 September 1980, effective 11 March 1981; amended 1989, 1991, 1997, 1999, 2000, 2003, and 2005 |