word | | Legal system |
| civil | Macedonia | based on civil law system; judicial review of legislative acts; has not accepted compulsory ICJ jurisdiction |
| civil | Madagascar | based on French civil law system and traditional Malagasy law; accepts compulsory ICJ jurisdiction with reservations |
| civil | Mali | based on French civil law system and customary law; judicial review of legislative acts in Constitutional Court; has not accepted compulsory ICJ jurisdiction |
| civil | Malta | based on English common law and Roman civil law; accepts compulsory ICJ jurisdiction with reservations |
| civil | Mauritania | a combination of Islamic law and French civil law; has not accepted compulsory ICJ jurisdiction |
| civil | Mauritius | based on French civil law system with elements of English common law in certain areas; accepts compulsory ICJ jurisdiction with reservations |
| civil | Mexico | mixture of US constitutional theory and civil law system; judicial review of legislative acts; accepts compulsory ICJ jurisdiction with reservations |
| civil | Moldova | based on civil law system; Constitutional Court reviews legality of legislative acts and governmental decisions of resolution; accepts many UN and Organization for Security and Cooperation in Europe (OSCE) documents; has not ... |
| civil | Mongolia | blend of Soviet and German systems that employ "continental" or "civil" code; case-precedent may be used to inform judges, but all decisions must refer to the law as written; constitution ambiguous ... |
| civil | Montenegro | based on civil law system; has not accepted compulsory ICJ jurisdiction |
| civil | Morocco | based on Islamic law and French and Spanish civil law systems; judicial review of legislative acts in Constitutional Chamber of Supreme Court; has not accepted compulsory ICJ jurisdiction |
| civil | Mozambique | based on Portuguese civil law system and customary law; has not accepted compulsory ICJ jurisdiction |