word | | Constitution |
| king | Spain | approved by legislature 31 October 1978; passed by referendum 6 December 1978; signed by the king 27 December 1978 |
| King | Swaziland | signed by the King July 2005; went into effect 8 February 2006 |
| Kingdom | Curacao | Staatsregeling, 10 October 2010; revised Kingdom Charter pending |
| Kingdom | Sint Maarten | Staatsregeling, 10 October 2010; revised Kingdom Charter pending |
| Knesset | Israel | ... a constitution are filled by the Declaration of Establishment (1948), the Basic Laws of the parliament (Knesset), and the Israeli citizenship law; note - since May 2003 the Constitution, Law, and Justice Committee ... |
| Kong | Hong Kong | The Basic Law, approved March 1990 by China's National People's Congress, is Hong Kong's charter |
| Kosovo | Kosovo | adopted by the Kosovo Assembly 9 April 2008; effective 15 June 2008 |
| laid | Portugal | ... the revisions placed the military under strict civilian control, trimmed the powers of the president, and laid the groundwork for a stable, pluralistic liberal democracy; they allowed for the privatization of nationalized ... |
| latest | Malaysia | 31 August 1957; amended many times the latest in 2007 |
| Latvia | 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 |
| Law | Christmas Island | Christmas Island Act of 1958-59 (1 October 1958) as amended by the Territories Law Reform Act of 1992 |
| Law | Cocos (Keeling) Islands | Cocos (Keeling) Islands Act of 1955 (23 November 1955) as amended by the Territories Law Reform Act of 1992 |
| Law | Germany | 23 May 1949, known as Basic Law; became constitution of the united Germany 3 October 1990 |
| law | Guernsey | unwritten; partly statutes, partly common law and practice |