occo
10 March 1972; revised 4 September 1992, amended (to create
bicameral legislature) September 1996
Mozambique
30 November 1990
Namibia
ratified 9 February 1990, effective 12 March 1990
Nauru
29 January 1968; amended 17 May 1968 (Constitution Day)
Nepal
9 November 1990
Netherlands
adopted 1815; amended many times, last time 2002
Netherlands Antilles
29 December 1954, Statute of the Realm of the
Netherlands, as amended
New Caledonia
4 October 1958 (French Constitution)
New Zealand
consists of a series of legal documents, including
certain acts of the UK and New Zealand Parliaments, as well as The
Constitution Act 1986, which is the principal formal charter;
adopted 1 January 1987, effective 1 January 1987
Nicaragua
9 January 1987; reforms in 1995 and 2000
Niger
new constitution 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
Constitution of the Commonwealth of the
Northern Mariana Islands effective 1 January 1978; Covenant
Agreement effective 4 November 1986
Norway
17 May 1814; amended many times
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
12 April 1973; suspended 5 July 1977, restored with
amendments 30 December 1985; suspended 15 October 1999, restored 31
December 2002; amended 31 December 2003
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
30 November 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 many times
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