South Africa
10 December 1996; this new constitution was certified
by the Constitutional Court on 4 December 1996, was signed by then
President MANDELA on 10 December 1996, and entered into effect on 3
February 1997; it is being implemented in phases
Spain
6 December 1978, effective 29 December 1978
Sri Lanka
adopted 16 August 1978, certified 31 August 1978; new
constitution proposed in 2002
Sudan
12 April 1973; suspended following coup of 6 April 1985;
interim constitution of 10 October 1985 suspended following coup of
30 June 1989; new constitution implemented on 30 June 1998 partially
suspended 12 December 1999 by President BASHIR
Suriname
ratified 30 September 1987
Swaziland
a constitution was due to be adopted in November 2003 but
was delayed and scheduled for early 2005
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 1946; amended in 1992, 1994, 1997, 1999, and 2000