word | | Legal system |
| law | Netherlands Antilles | based on Dutch civil law system with some English common law influence |
| law | New Caledonia | based on French civil law; the 1988 Matignon Accords grant substantial autonomy to the islands |
| law | New Zealand | based on English law, with special land legislation and land courts for the Maori; accepts compulsory ICJ jurisdiction with reservations |
| law | Nicaragua | civil law system; Supreme Court may review administrative acts; accepts compulsory ICJ jurisdiction |
| law | Niger | based on French civil law system and customary law; has not accepted compulsory ICJ jurisdiction |
| law | Nigeria | based on English common law, Islamic law (in 12 northern states), and traditional law; accepts compulsory ICJ jurisdiction with reservations |
| law | Niue | English common law; note - Niue is self-governing, with the power to make its own laws |
| law | Norfolk Island | based on the laws of Australia, local ordinances and acts; English common law applies in matters not covered by either Australian or Norfolk Island law |
| law | Norway | mixture of customary law, civil law system, and common law traditions; Supreme Court renders advisory opinions to legislature when asked; accepts compulsory ICJ jurisdiction with reservations |
| law | Oman | based on English common law and Islamic law; ultimate appeal to the monarch; has not accepted compulsory ICJ jurisdiction |
| law | Pakistan | based on English common law with provisions to accommodate Pakistan's status as an Islamic state; accepts compulsory ICJ jurisdiction with reservations |
| law | Panama | based on civil law system; judicial review of legislative acts in the Supreme Court of Justice; accepts compulsory ICJ jurisdiction with reservations |
| law | Papua New Guinea | based on English common law; has not accepted compulsory ICJ jurisdiction |
| law | Paraguay | based on Argentine codes, Roman law, and French codes; judicial review of legislative acts in Supreme Court of Justice; accepts compulsory ICJ jurisdiction |
| law | Peru | based on civil law system; accepts compulsory ICJ jurisdiction with reservations |
| law | Philippines | based on Spanish and Anglo-American law; accepts compulsory ICJ jurisdiction with reservations |
| law | Poland | based on a mixture of Continental (Napoleonic) civil law and holdover Communist legal theory; changes being gradually introduced as part of broader democratization process; limited judicial review of legislative acts, but rulings ... |
| law | Portugal | based on civil law system; the Constitutional Tribunal reviews the constitutionality of legislation; accepts compulsory ICJ jurisdiction with reservations |
| law | Qatar | based on Islamic and civil law codes; discretionary system of law controlled by the amir, although civil codes are being implemented; Islamic law dominates family and personal matters; has not accepted compulsory ... |
| law | Romania | based on civil law system; has not accepted compulsory ICJ jurisdiction |
| law | Russia | based on civil law system; judicial review of legislative acts; has not accepted compulsory ICJ jurisdiction |
| law | Rwanda | based on German and Belgian civil law systems and customary law; judicial review of legislative acts in the Supreme Court; has not accepted compulsory ICJ jurisdiction |
| law | Saint Helena | English common law and statutes, supplemented by local statutes |
| law | Saint Kitts and Nevis | based on English common law; has not accepted compulsory ICJ jurisdiction |
| law | Saint Lucia | based on English common law; has not accepted compulsory ICJ jurisdiction |
| law | Saint Vincent and the Grenadines | based on English common law; has not accepted compulsory ICJ jurisdiction |