Nicaragua
civil law system; Supreme Court may review administrative
acts; accepts compulsory ICJ jurisdiction

Niger
based on French civil law system and customary law; has not
accepted compulsory ICJ jurisdiction

Nigeria
based on English common law, Islamic Shariah law (in 12
northern states), and traditional law; accepts compulsory ICJ
jurisdiction, with reservations

Niue
English common law; note - Niue is self-governing, with the
power to make its own laws

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

Northern Mariana Islands
based on US system, except for customs,
wages, immigration laws, and taxation

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

Oman
based on English common law and Islamic law; ultimate appeal to
the monarch; has not accepted compulsory ICJ jurisdiction

Pakistan
based on English common law with provisions to accommodate
Pakistan's status as an Islamic state; accepts compulsory ICJ
jurisdiction, with reservations

Palau
based on Trust Territory laws, acts of the legislature,
municipal, common, and customary laws