word | | Legal system |
| common | Nigeria | based on English common law, Islamic law (in 12 northern states), and traditional law; accepts compulsory ICJ jurisdiction with reservations |
| common | Niue | English common law; note - Niue is self-governing with the power to make its laws |
| common | 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 |
| common | 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 |
| common | Oman | based on English common law and Islamic law; ultimate appeal to the monarch; has not accepted compulsory ICJ jurisdiction |
| common | Pakistan | based on English common law with provisions to accommodate Pakistan's status as an Islamic state; accepts compulsory ICJ jurisdiction with reservations |
| common | Palau | based on Trust Territory laws, acts of the legislature, municipal, common, and customary laws; has not accepted compulsory ICJ jurisdiction |
| common | Papua New Guinea | based on English common law; has not accepted compulsory ICJ jurisdiction |
| common | Saint Helena | English common law and statutes supplemented by local statutes |
| common | Saint Kitts and Nevis | based on English common law; has not accepted compulsory ICJ jurisdiction |
| common | Saint Lucia | based on English common law; has not accepted compulsory ICJ jurisdiction |
| common | Saint Vincent and the Grenadines | based on English common law; has not accepted compulsory ICJ jurisdiction |
| common | Samoa | based on English common law and local customs; judicial review of legislative acts with respect to fundamental rights of the citizen; has not accepted compulsory ICJ jurisdiction |