New Zealand
noun: New Zealander(s)
adjective: New Zealand

Nicaragua
noun: Nicaraguan(s)
adjective: Nicaraguan

Niger
noun: Nigerien(s)
adjective: Nigerien

Nigeria
noun: Nigerian(s)
adjective: Nigerian

Niue
noun: Niuean(s)
adjective: Niuean

Norfolk Island
noun: Norfolk Islander(s)
adjective: Norfolk Islander(s)

Northern Mariana Islands
noun: NA
adjective: NA

Norway
noun: Norwegian(s)
adjective: Norwegian

Oman
noun: Omani(s)
adjective: Omani

Pakistan
noun: Pakistani(s)
adjective: Pakistani