Switzerland
18 December 1998
Syria
13 March 1973
Taiwan
1 January 1947, amended in 1992, 1994, 1997, and 1999
Tajikistan
6 November 1994
Tanzania
25 April 1977; major revisions October 1984
Thailand
new constitution signed by King PHUMIPHON on 11 October 1997
Togo
multiparty draft constitution approved by High Council of the
Republic 1 July 1992; adopted by public referendum 27 September 1992
Tokelau
administered under the Tokelau Islands Act of 1948, as
amended in 1970
Tonga
4 November 1875, revised 1 January 1967
Trinidad and Tobago
1 August 1976