Saint Pierre and Miquelon
4 October 1958 (French Constitution)
Saint Vincent and the Grenadines
27 October 1979
Samoa
1 January 1962
San Marino
8 October 1600; electoral law of 1926 serves some of the
functions of a constitution
Sao Tome and Principe
approved March 1990, effective 10 September
1990
Saudi Arabia
governed according to Shari'a law; the Basic Law that
articulates the government's rights and responsibilities was
introduced in 1993
Senegal
new constitution adopted 7 January 2001
Serbia
28 September 1990; note - a new draft constitution approved
by Parliament on 30 September 2006 stresses that Kosovo is an
integral part of Serbia; the draft must still be approved by a
national referendum
Seychelles
18 June 1993
Sierra Leone
1 October 1991; subsequently amended several times