word | | Constitution |
| effective | Hungary | 25 April 2011, effective 1 January 2012 |
| effective | Iceland | 16 June 1944, effective 17 June 1944; amended many times |
| effective | Ireland | adopted 1 July 1937 by plebiscite; effective 29 December 1937 |
| effective | Italy | passed 11 December 1947, effective 1 January 1948; amended many times |
| effective | Kosovo | adopted by the Kosovo Assembly 9 April 2008; effective 15 June 2008 |
| effective | Macedonia | adopted 17 November 1991, effective 20 November 1991; amended November 2001, 2005 and in 2009 note: amended November 2001 by a series of new constitutional amendments strengthening minority rights, in 2005 with ... |
| effective | Moldova | adopted 29 July 1994; effective 27 August 1994; note - replaced 1979 Soviet constitution |
| effective | Montserrat | Montserrat Constitution Order 2010, effective 1 September 2011 |
| effective | Namibia | ratified 9 February 1990, effective 12 March 1990 |
| effective | New Zealand | ... documents, including certain acts of the UK and New Zealand Parliaments, as well as The Constitution Act 1986, which is the principal formal charter; adopted 1 January 1987, effective 1 January 1987 |
| effective | Nigeria | adopted 5 May 1999; effective 29 May 1999 |
| effective | Northern Mariana Islands | Constitution of the Commonwealth of the Northern Mariana Islands effective 1 January 1978; Covenant Agreement fully effective 4 November 1986 |
| effective | Philippines | 2 February 1987, effective 11 February 1987 |
| effective | Pitcairn Islands | The Pitcairn Constitution Order 2010, effective 4 March 2010 |
| effective | Poland | adopted by the National Assembly 2 April 1997; passed by national referendum 25 May 1997; effective 17 October 1997 |