word | | Legal system |
| law | Netherlands | civil law system based on the French system; constitution does not permit judicial review of acts of the States General |
| law | New Caledonia | civil law system based on French law; the 1988 Matignon Accords grant substantial autonomy to the islands |
| law | New Zealand | common law system, based on English model, with special legislation and land courts for the Maori |
| law | Nicaragua | civil law system; Supreme Court may review administrative acts |
| law | Niger | mixed legal system of civil law (based on French civil law), Islamic law, and customary law |
| law | Nigeria | mixed legal system of English common law, Islamic law (in 12 northern states), and traditional law |
| law | Niue | English common law |
| law | Norfolk Island | English common law and the laws of Australia |
| law | Norway | mixed legal system of civil, common, and customary law; Supreme Court can advise on legislative acts |
| law | Oman | mixed legal system of Anglo-Saxon law and Islamic law |
| law | Pakistan | common law system with Islamic law influence |
| law | Palau | mixed legal system of civil, common, and customary law |
| law | Panama | civil law system; judicial review of legislative acts in the Supreme Court of Justice |
| law | Papua New Guinea | mixed legal system of English common law and customary law |
| law | Paraguay | civil law system with influences from Argentine, Spanish, Roman, and French civil law models; judicial review of legislative acts in Supreme Court of Justice |