Panama
11 October 1972; major reforms adopted 1978, 1983 and 1994
Papua New Guinea
16 September 1975
Paraguay
promulgated 20 June 1992
Peru
31 December 1993
Philippines
2 February 1987, effective 11 February 1987
Pitcairn Islands
1838; reformed 1904 with additional reforms in
1940; further refined by the Local Government Ordinance of 1964
Poland
16 October 1997; adopted by the National Assembly 2 April
1997; passed by national referendum 23 May 1997
Portugal
25 April 1976, revised 30 October 1982, 1 June 1989, 5
November 1992, and 3 September 1997
Puerto Rico
ratified 3 March 1952; approved by US Congress 3 July
1952; effective 25 July 1952
Qatar
provisional constitution enacted 19 April 1972; in July 1999
Amir HAMAD issued a decree forming a committee to draft a permanent
constitution; in the 29 April 2003 referendum, 96.6% of Qatari
voters approved the new constitution