word | | Constitution |
| amended | Norfolk Island | Norfolk Island Act of 1979 as amended in 2005 |
| amended | Norway | 17 May 1814; amended many times |
| amended | Pakistan | ... 5 July 1977, restored 30 December 1985; suspended 15 October 1999, restored in stages in 2002; amended 31 December 2003; suspended 3 November 2007; restored 15 December 2007; amended 19 April 2010 |
| amended | Senegal | adopted 7 January 2001; amended many times |
| amended | Sierra Leone | 1 October 1991; amended several times |
| amended | Singapore | 3 June 1959; amended 1965 (based on pre-independence State of Singapore Constitution) |
| amended | Slovakia | ratified 1 September 1992, effective 1 January 1993; changed September 1998; amended February 2001 note: the change in September 1998 allowed direct election of the president; the amendment of February 2001 allowed ... |
| amended | Slovenia | adopted 23 December 1991, amended 14 July 1997 and 25 July 2000 |
| amended | Sri Lanka | adopted 16 August 1978, certified 31 August 1978; amended 20 December 2001 |
| amended | Taiwan | adopted 25 December 1946; promulgated 1 January 1947; effective 25 December 1947; amended many times |
| amended | Tokelau | administered under the Tokelau Islands Act of 1948; amended in 1970 |
| amended | Tunisia | 1 June 1959; amended 1988, 2002; note - the newly formed Constituent Assembly is charged with writing a new constitution |
| amended | Turkey | 7 November 1982; amended several times; note - amendment passed by referendum 21 October 2007 concerning presidential elections |
| amended | Uganda | 8 October 1995; amended 2005 note: the amendments in 2005 removed presidential term limits and legalized a multiparty political system |
| amended | Yemen | 16 May 1991; amended 29 September 1994 and February 2001 |