List of electoral systems by countryThis is a list of electoral systems by country in alphabetical order. An electoral system is used to elect national legislatures and heads of state.Electoral systems by countryColonies and dependenciesCountryBody or officeType of body or officeElectoral systemNotesAlderneyStatesUnicameral legislaturePlurality block votingAmerican SamoaSenateUpper chamber of legislatureElected by county councilsAmerican SamoaHouse of RepresentativesLower chamber of legislature First-past-the-post Plurality block voting AnguillaHouse of AssemblyUnicameral legislature First-past-the-post Plurality block voting Attorney General Deputy Governor AscensionIsland CouncilUnicameral legislaturePlurality block votingBermudaSenateUpper chamber of legislatureAppointed by the GovernorBermudaHouse of AssemblyLower chamber of legislatureFirst-past-the-postBritish Virgin IslandsHouse of AssemblyUnicameral legislature First-past-the-post Plurality block voting Attorney General Speaker Cayman IslandsParliamentUnicameral legislatureFirst-past-the-postFalkland IslandsLegislative AssemblyUnicameral legislaturePlurality block votingFrench PolynesiaAssemblyUnicameral legislatureParty-list proportional representationGibraltarParliamentUnicameral legislatureLimited plurality block votingGuamLegislatureUnicameral legislaturePlurality block votingGuernseyStates of DeliberationUnicameral legislaturePlurality block votingHong KongLegislative CouncilUnicameral legislature Appointed by the Election Committee Elected by functional constituencies Single non-transferable vote Isle of ManLegislative CouncilUpper chamber of legislature Elected by the House of Keys President of Tynwald Bishop of Sodor and Man Attorney General Isle of ManHouse of KeysLower chamber of legislaturePlurality block votingJerseyStates AssemblyUnicameral legislature Plurality block voting First-past-the-post MacauLegislative AssemblyUnicameral legislature Party-list proportional representation Indirectly elected member appointed by the Chief Executive MontserratLegislative AssemblyUnicameral legislaturePlurality block votingNew CaledoniaCongressUnicameral legislatureParty-list proportional representationNorthern Mariana IslandsSenateUpper chamber legislature Plurality block voting First-past-the-post Northern Mariana IslandsHouse of RepresentativesLower chamber legislature Plurality block voting First-past-the-post Pitcairn IslandsIsland CouncilUnicameral legislature Single transferable vote Administrator Governor Deputy Governor Puerto RicoSenateUpper chamber legislatureMixed-member majoritarian representation: Plurality block voting Single non-transferable vote Minority jackpotPuerto RicoHouse of RepresentativesLower chamber legislatureMixed-member majoritarian representation: First-past-the-post Single non-transferable vote Minority jackpotSaint BarthélemyTerritorial CouncilUnicameral legislatureTwo-round party-list proportional representation with majority bonus systemSaint HelenaLegislative CouncilUnicameral legislature Plurality block voting Attorney General Saint MartinTerritorial CouncilUnicameral legislatureTwo-round party-list proportional representation with majority bonus systemSaint Pierre and MiquelonTerritorial CouncilUnicameral legislatureTwo-round party-list proportional representation with majority bonus systemSarkChief PleasUnicameral legislaturePlurality block votingTokelauGeneral FonoUnicameral legislatureTristan da CunhaIsland CouncilUnicameral legislaturePlurality block votingTurks and Caicos IslandsHouse of AssemblyUnicameral legislature First-past-the-post Plurality block voting Attorney General Speaker U.S. Virgin IslandsLegislatureUnicameral legislature Plurality block voting First-past-the-post Wallis and FutunaTerritorial AssemblyUnicameral legislatureParty-list proportional representation