Spain
approved by legislature 31 October 1978; passed by referendum
6 December 1978, effective 29 December 1978
Sri Lanka
adopted 16 August 1978, certified 31 August 1978
Sudan
constitution implemented on 30 June 1998, partially suspended
12 December 1999 by President BASHIR; under the CPA, Interim
National Constitution ratified 5 July 2005; Constitution of Southern
Sudan signed December 2005
Suriname
ratified 30 September 1987; effective 30 October 1987
Swaziland
signed by the King in July 2005 went into effect on 8
February 2006
Sweden
1 January 1975
Switzerland
revision of Constitution of 1874 approved by the Federal
Parliament 18 December 1998, adopted by referendum 18 April 1999,
officially entered into force 1 January 2000
Syria
13 March 1973
Taiwan
25 December 1947; amended in 1992, 1994, 1997, 1999, 2000,
2005
note: constitution adopted on 25 December 1946; went into effect on
25 December 1947
Tajikistan
6 November 1994