Senegal
adopted 7 January 2001
Serbia
adopted 8 November 2006; effective 10 November 2006
Seychelles
18 June 1993
Sierra Leone
1 October 1991; amended several times
Singapore
3 June 1959; amended 1965 (based on pre-independence State
of Singapore Constitution)
Slovakia
ratified 1 September 1992, effective 1 January 1993;
changed in September 1998; amended February 2001
note: the change in September 1998 allowed direct election of the
president; the amendment of February 2001 allowed Slovakia to apply
for NATO and EU membership
Slovenia
adopted 23 December 1991, amended 14 July 1997 and 25 July
2000
Solomon Islands
7 July 1978
Somalia
25 August 1979, presidential approval 23 September 1979
note: the formation of transitional governing institutions, known as
the Transitional Federal Government, is currently ongoing
South Africa
10 December 1996; note - certified by the
Constitutional Court on 4 December 1996; was signed by then
President MANDELA on 10 December 1996; and entered into effect on 4
February 1997