Netherlands Antilles:
29 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:
the constitution of January 1993 was revised by national
referendum on 12 May 1996 and again by referendum on 18 July 1999

Nigeria:
NA 1999 new constitution adopted

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