December 1954, Statute of the Realm of the
Netherlands, as amended

New Caledonia
28 September 1958 (French Constitution)

New Zealand
consists of a series of legal documents, including
certain acts of the UK and New Zealand Parliaments and The
Constitution Act 1986 which is the principal formal charter

Nicaragua
9 January 1987, with reforms in 1995 and 2000

Niger
a new constitution was adopted 18 July 1999

Nigeria
new constitution adopted May 1999

Niue
19 October 1974 (Niue Constitution Act)

Norfolk Island
Norfolk Island Act of 1979

Northern Mariana Islands
Covenant Agreement effective 4 November
1986 and the Constitution of the Commonwealth of the Northern
Mariana Islands effective 1 January 1978

Norway
17 May 1814, modified in 1884

Oman
none; note - on 6 November 1996, Sultan QABOOS issued a royal
decree promulgating a basic law considered by the government to be a
constitution which, among other things, clarifies the royal
succession, provides for a prime minister, bars ministers from
holding interests in companies doing business with the government,
establishes a bicameral legislature, and guarantees basic civil
liberties for Omani citizens

Pakistan
10 April 1973, suspended 5 July 1977, restored with
amendments 30 December 1985; suspended 15 October 1999, restored 31
December 2002

Palau
1 January 1981

Panama
11 October 1972; major reforms adopted 1978, 1983, 1994, and
2004

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
adopted by the National Assembly 2 April 1997; passed by
national referendum 25 May 1997; effective 17 October 1997

Portugal
25 April 1976; revised 30 October 1982, 1 June 1989, 5
November 1992, 3 September 1997, 12 December 2001, and 24 July 2004

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; on 8 June 2004 the new
constitution came