Nicaragua
9 January 1987, with reforms in 1995 and 2000
Niger
the constitution of January 1993 was revised by national
referendum on 12 May 1996 and again by referendum on 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 new basic law 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 on
31 December 2002
note: selected provisions of the Constitution pertaining to changes
President MUSHARRAF made while the Constitution was suspended,
remain contested by political opponents
Palau
1 January 1981