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 fully effective 4 November 1986

Norway
17 May 1814; amended many times