Slovenia
adopted 23 December 1991, effective 23 December 1991

Solomon Islands
7 July 1978

Somalia
25 August 1979, presidential approval 23 September 1979
note: the Transitional National Government formed in August 2000 had
a three-year mandate to create a new constitution and hold
elections, this goal was not achieved but the process is 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 3
February 1997; it is being implemented in phases

South Georgia and the South Sandwich Islands
adopted 3 October 1985

Spain
6 December 1978, effective 29 December 1978

Sri Lanka
adopted 16 August 1978

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 adopted 14 November 2003