Senegal
adopted 7 January 2001
Serbia
adopted 8 November 2006; effective 10 November 2006
Seychelles
18 June 1993
Sierra Leone
1 October 1991; subsequently amended several times
Singapore
3 June 1959; amended 1965 (based on preindependence State
of Singapore Constitution)
Slovakia
ratified 1 September 1992, effective 1 January 1993;
changed in September 1998 to allow direct election of the president;
amended February 2001 to allow Slovakia to apply for NATO and EU
membership
Slovenia
adopted 23 December 1991
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; 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 4
February 1997