word | | Constitution |
| adopted | Ireland | adopted 1 July 1937 by plebiscite; effective 29 December 1937 |
| adopted | Kazakhstan | first post-independence constitution adopted 28 January 1993; new constitution adopted by national referendum 30 August 1995 |
| adopted | Korea, North | adopted 1948; revised several times most recently in 2009 |
| adopted | Kosovo | adopted by the Kosovo Assembly 9 April 2008; effective 15 June 2008 |
| adopted | Latvia | 15 February 1922; restored to force by the Constitutional Law of the Republic of Latvia adopted by the Supreme Council 21 August 1991; multiple amendments since |
| adopted | Libya | ... 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; note - the Transitional National Council ... |
| adopted | Lithuania | adopted 25 October 1992; last amended 13 July 2004 |
| adopted | 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 ... |
| adopted | Mali | adopted 12 January 1992 |
| adopted | Moldova | adopted 29 July 1994; effective 27 August 1994; note - replaced 1979 Soviet constitution |
| adopted | Netherlands | adopted 1815; amended many times, most recently in 2002 |
| adopted | 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 |
| adopted | Niger | adopted 31 October 2010 |
| adopted | Nigeria | adopted 5 May 1999; effective 29 May 1999 |