| Country | Political parties and leaders |
| Marshall Islands | traditionally there have been no formally organized political parties; what has existed more closely resembles factions or interest groups because they do not have party headquarters, formal platforms, or party structures; the following two "groupings" have competed in legislative balloting in recent years - Aelon Kein Ad Party [Michael KABUA] and United Democratic Party or UDP [Litokwa TOMEING] |
| Mauritania | Alternative or El-Badil [Mohamed Yahdhi Ould MOCTAR HACEN]; Coalition of Majority Parties or CPM (parties supporting the regime including PRDR, UPR, RD, HATEM-PMUC, UCD); Coordination of Democratic Opposition or COD (coalition of opposition political parties opposed to the government including APP, RFD, UFP, PNDD-ADIL, Alternative or El-Badil); Democratic Renewal or RD [Moustapha Ould ABDEIDARRAHMANE]; Mauritanian Party for Unity and Change or HATEM-PMUC [Saleh Ould HANENA]; National Pact for Democracy and Development or PNDD-ADIL [Yahya Ould Ahmed Ould WAGHEF] (independents formerly supporting President Abdellahi); National Rally for Freedom, Democracy and Equality or RNDLE; National Rally for Reform and Development or RNRD-TAWASSOUL [Mohamed Jamil MANSOUR] (moderate Islamists); Popular Front or FP [Ch'bih Ould CHEIKH MALAININE]; Popular Progressive Alliance or APP [Messoud Ould BOULKHEIR]; Rally of Democratic Forces or RFD [Ahmed Ould DADDAH]; Republican Party for Democracy and Renewal or PRDR [Mintata Mint HDEID]; Socialist and Democratic Unity Party or PUDS; Union for Democracy and Progress or UDP [Naha Mint MOUKNASS]; Union for the Republic or UPR; Union of Democratic Center or UCD [Cheikh Sid'Ahmed Ould BABA]; Union of the Forces for Progress or UFP [Mohamed Ould MAOULOUD]; |
| Mauritius | Alliance of the Future or AF [Navinchandra RAMGOOLAM] (governing coalition - includes MLP, MMSM, MR, MSD, PMSD); Mauritian Labor Party or MLP [Navinchandra RAMGOOLAM]; Mauritian Militant Movement or MMM [Paul BERENGER]; Mauritian Militant Socialist Movement or MMSM [Pravind JUGNAUTH]; Mauritian Socialist Militant Movement or MSMM [Madan DULLOO]; Mauritian Solidarity Front of FSM [Cehl FAKEERMEEAH]; Mouvement Republicain or MR [Jayarama VALAYDEN]; Maurition Social Democratic Party or PMSD [Xavier Luc DUVAL]; Rodrigues Movement or MR [Joseph (Nicholas) Von MALLY]; Rodrigues Peoples Organization or OPR [Serge CLAIR] |
| Mayotte | Democratic Front or FD [Youssouf MOUSSA]; Federation of Mahorans or UMP-RPR [Mansour KAMARDINE]; Force of the Rally and the Alliance for Democracy or FRAP; Mahoran Popular Movement or MPM [Ahmed MADI]; Movement for Department Status Mayotte or MDM [Mouhoutar SALIM]; Renewed Communist Party of Mayotte or MRC [Omar SIMBA]; Socialist Party or PS [Ibrahim ABUBACAR] (local branch of French Parti Socialiste); Union for French Democracy or UDF [Henri JEAN-BAPTISTE] |
| Mexico | Convergence for Democracy or CD [Luis WALTON Aburto]; Institutional Revolutionary Party or PRI [Humberto MOREIRA Valdes]; Labor Party or PT [Alberto ANAYA Gutierrez]; Mexican Green Ecological Party or PVEM [Jorge Emilio GONZALEZ Martinez]; National Action Party (Partido Accion Nacional) or PAN [Gustavo MADERO Munoz]; New Alliance Party (Partido Nueva Alianza) or PNA/PANAL [Jorge Antonio KAHWAGI Macari]; Party of the Democratic Revolution (Partido de la Revolucion Democratica) or PRD [Jesus ORTEGA Martinez] |
| Micronesia, Federated States of | no formal parties |
| Moldova |  represented in Parliament: Communist Party of the Republic of Moldova or PCRM [Vladimir VORONIN]; Democratic Party or PD [Marian LUPU]; Liberal Democratic Party or PLDM [Vladimir FILAT]; Liberal Party or PL [Mihai GHIMPU]; Alliance for European Integration or AEI (coalition of the PD, PLDM, and PL) not represented in Parliament: Christian Democratic People's Party or PPCD [Iurie ROSCA]; Conservative Party or PC [Natalia NIRCA]; Ecological Party of Moldova "Green Alliance" or PEMAVE [Vladimir BRAGA]; European Action Movement or MAE [Veaceslav UNTILA]; For Nation and Country Party or PpNT [Sergiu MOCANU]; Humanist Party of Moldova or PUM [Valeriu PASAT]; Labor Party or PM [Gheorghe SIMA]; National Liberal Party or PNL [Vitalia PAVLICENKO]; Our Moldova Alliance or AMN [Serafim URECHEAN]; Patriots of Moldova Party or PPM [Mihail GARBUZ]; Popular Republican Party or PPR [Nicolae ANDRONIC]; Republican Party of Moldova or PRM [Andrei STRATAN]; Roma Social Political Movement of the Republic of Moldova or MRRM [Ion BUCUR]; Social Democratic Party or PSD [Victor SELIN]; Social Political Movement "Equality" or MR [Valeriy KLIMENCO]; United Moldova Party or PMUEM [Vladimir TURCAN] |
| Monaco | Monaco Together; Rally and Issues for Monaco or REM; Union for Monaco or UPM (including National Union for the Future of Monaco or UNAM) |
| Mongolia | Civil Will-Green Party or CWGP [Dangaasuren EHKHBAT]; Democratic Party or DP [Norov ALTANHUYAG]; Mongolian People's Party or MPP [Sukhbaatar BATBOLD]; Mongolian People's Revolutionary Party or MPRP [Nambaryn ENKHBAYAR] |
| Montenegro | Albanian Alternative or AA [Vesel SINISHTAJ]; Coalition for European Montenegro (bloc) [Milo DJUKANOVIC] (includes Democratic Party of Socialists or DPS [Milo DJUKANOVIC], Social Democratic Party or SDP [Ranko KRIVOKAPIC], Bosniak Party of BS [Rafet HUSOVIC], and Croatian Civic Initiative or HGI [Marija VUCINOVIC); Coalition SNP-NS-DSS (bloc) (includes Socialist People's Party or SNP [Srdjan MILIC], People's Party of Montenegro or NS [Predrag POPOVIC], and Democratic Serbian Party of Montenegro or DSS [Ranko KADIC]); Democratic League-Party of Democratic Prosperity or SPP [Mehmet BARDHIJ]; Democratic Union of Albanians or DUA [vacant]; For a Different Montenegro (bloc) [Goran BATRICEVIC] (includes Democratic Center or DC [Goran BATRICEVIC] and Liberal Party of Montenegro or LP [Miodrag ZIVKOVIC]); FORCA [Nazif CUNGU]; Movement for Change or PZP [Nebojsa MEDOJEVIC]; National Coalition (includes People's Party of Montenegro or NS [Predrag POPOVIC] and Democratic Serbian Party of Montenegro or DSS [Ranko KADIC]); New Serb Democracy or NOVA [Andrija MANDIC]; Socialist People's Party of Montenegro or SNP [Srdjan MILIC] |
| Montserrat | Montserrat Democratic Party or MDP [Lowell LEWIS]; Movement for Change and Prosperity or MCAP [Roselyn CASSELL-SEALY]; New People's Liberation Movement or NPLM [John A. OSBORNE] |