| Country | Political parties and leaders |
| Gabon | Circle of Liberal Reformers or CLR [General Jean Boniface ASSELE]; Congress for Democracy and Justice or CDJ [Jules Aristide Bourdes OGOULIGUENDE]; Democratic and Republican Alliance or ADERE [Divungui-di-Ndinge DIDJOB]; Gabonese Democratic Party or PDG [Simplice Nguedet MANZELA] (former sole party); Gabonese Party for Progress or PGP [Benoit Mouity NZAMBA]; Gabonese Union for Democracy and Development or UGDD [Zacherie MYBOTO]; National Rally of Woodcutters or RNB; National Rally of Woodcutters-Rally for Gabon or RNB-RPG (Bucherons) [Fr. Paul M'BA-ABESSOLE]; Party of Development and Social Solidarity or PDS [Seraphin Ndoat REMBOGO]; People's Unity Party or PUP [Louis Gaston MAYILA]; Social Democratic Party or PSD [Pierre Claver MAGANGA-MOUSSAVOU]; Union for Democracy and Social Integration or UDIS; Union of Gabonese Patriots or UPG [Pierre MAMBOUNDOU] |
| Gambia, The | Alliance for Patriotic Reorientation and Construction or APRC [Yahya A. J. J. JAMMEH] (the ruling party); Gambia People's Democratic Party or GPDP [Henry GOMEZ]; National Alliance for Democracy and Development or NADD [Halifa SALLAH]; National Convention Party or NCP [Sheriff DIBBA]; National Reconciliation Party or NRP [Hamat N. K. BAH]; People's Democratic Organization for Independence and Socialism or PDOIS [Halifa SALLAH]; United Democratic Party or UDP [Ousainou DARBOE] |
| Gaza Strip | void |
| Georgia | Christian Democratic Movement [Giorgi TARGAMADZE]; Conservative Party [Kakha KUKAVA]; Democratic Movement United Georgia [Nino BURJANADZE]; For Fair Georgia [Zurab NOGAIDELI]; Georgian Party [Sozar SUBARI]; Georgian People's Front [Nodar NATADZE]; Greens [Giorgi GACHECHILADZE]; Industry Will Save Georgia (Industrialists) or IWSG [Georgi TOPADZE]; Labor Party [Shalva NATELASHVILI]; National Democratic Party or NDP [Bachuki KARDAVA]; National Forum [Kakhaber SHARTAVA]; New Rights [David GAMKRELIDZE]; Our Georgia-Free Democrats (OGFD) [Irakli ALASANIA]; People's Party [Koba DAVITASHVILI; Republican Party [David USUPASHVILI]; Socialist Party or SPG [Irakli MINDELI]; Traditionalists [Akaki ASATIANI]; United National Movement or UNM [Mikheil SAAKASHVILI] |
| Germany | Alliance '90/Greens [Claudia ROTH and Cem OZDEMIR]; Christian Democratic Union or CDU [Angela MERKEL]; Christian Social Union or CSU [Horst SEEHOFER]; Free Democratic Party or FDP [Philipp Roesler]; Left Party or Die Linke [Klaus ERNST and Gesine LOETZSCH]; Social Democratic Party or SPD [Sigmar GABRIEL] |
| Ghana | Convention People's Party or CPP [Ladi NYLANDER]; Democratic Freedom Party or DFP [Alhaji Abudu Rahman ISSAKAH]; Every Ghanaian Living Everywhere or EGLE; Great Consolidated Popular Party or GCPP [Dan LARTEY]; National Democratic Congress or NDC [Dr. Kwabena ADJEI]; New Patriotic Party or NPP [Jake OBETSEBI-LAMPEY]; People's National Convention or PNC [Alhaji Amed RAMADAN]; Reform Party [Kyeretwie OPUKU]; United Renaissance Party or URP [Charles WAYO] |
| Gibraltar | Gibraltar Liberal Party [Joseph GARCIA]; Gibraltar Social Democrats or GSD [Fabian PICARDO]; Gibraltar Socialist Labor Party or GSLP [Joseph John BOSSANO]; Progressive Democratic Party |
| Greece | Anticapitalist Left Cooperation for the Overthrow or ANTARSYA [Petros KONSTANTINOU]; Coalition of the Radical Left or SYRIZA [Alexis TSIPRAS]; Communist Party of Greece or KKE [Aleka PAPARIGA]; Democratic Left [Fotis KOUVELIS]; Democratic Alliance or DISY [Theodora BAKOGIANNI]; Ecologist Greens [Nikos CHRYSOGELOS]; Golden Dawn [Nikolaos MICHALOLIAKOS]; New Democracy or ND [Antonis SAMARAS]; Panhellenic Socialist Movement or PASOK [Georgios PAPANDREOU]; Popular Orthodox Rally or LAOS [Georgios KARATZAFERIS] |
| Greenland | Candidate List (Kattusseqatigiit) [Anthon FREDERIKSEN]; Democratic Party (Demokraatit) [Jens B. FREDERIKSEN]; Forward Party (Siumut) [Aleqa HAMMOND]; Inuit Community (Inuit Ataqatigiit) or IA [Kuupik KLEIST]; Solidarity Party (Atassut) [Gerhardt PETERSEN] |
| Grenada | Grenada United Labor Party or GULP [Gloria Payne BANFIELD]; National Democratic Congress or NDC [Tillman THOMAS]; New National Party or NNP [Keith MITCHELL] |
| Guam | Democratic Party [Michael PHILLIPS]; Republican Party [Philip J. FLORES] (controls the legislature) |
| Guatemala | Center of Social Action or CASA [Feliz Adolfo RUANO de Leon]; Democracy Front or FRENTE [Alfonso CABRERA]; Democratic Union or UD [Edwin Armando MARTINEZ Herrera]; Encounter for Guatemala or EG [Nineth MONTENGRO]; Grand National Alliance or GANA [Jaime Antonio MARTINEZ Lohayza]; Guatemalan National Revolutionary Unity or URNG [Hector Alfredo NUILA Ericastilla]; Guatemalan Republican Front or FRG [Luis Fernando PEREZ]; Independent Bloc Guatemala or BG [Macario Efrain OLIVA Muralles]; Independent Democratic Freedom Renewed or LIDER [Manuel BALDIZON]; National Advancement Party or PAN [Juan GUTIERREZ]; National Unity for Hope or UNE [Roberto KESTLER Velasquez]; Nationalist Change Union or UCN [Mario ESTRADA]; Patriot Party or PP [Ingrid Roxana BALDETTI Elias]; Unionista Party or PU [Alvaro ARZU Irigoyen] |
| Guernsey | none; all independents |
| Guinea | Rally for the Guinean People or RPG [Alpha CONDE]; Union of Democratic Forces of Guinea or UFDG [Cellou Dalein DIALLO]; Union of Republican Forces or UFR [Sidya TOURE] note: Listed are the three most popular parties in first round voting for president in 2010; overall, there are more than 130 registered parties |
| Guinea-Bissau | African Party for the Independence of Guinea-Bissau and Cape Verde or PAIGC [Carlos GOMES Junior]; Democratic Alliance or AD [Victor MANDINGA]; Democratic Social Front or FDS [Rafael BARBOSA]; Electoral Union or UE [Joaquim BALDE]; Guinea-Bissau Civic Forum/Social Democracy or FCGSD [Antonieta Rosa GOMES]; Guinea-Bissau Democratic Party or PDG; Guinea-Bissau Socialist Democratic Party or PDSG [Serifo BALDE]; Labor and Solidarity Party or PST [Lancuba INDJAI]; New Democracy Party or PND; Party for Democratic Convergence or PCD [Victor MANDINGA]; Party for Renewal and Progress or PRP; Party for Social Renewal or PRS [Sory DJALO]; Progress Party or PP; Republican Party for Independence and Development or PRID [Aristides GOMES]; Union of Guinean Patriots or UPG [Francisca VAZ]; Union for Change or UM [Amine SAAD]; United Platform or UP (coalition formed by PCD, FDS, FLING, and RGB-MB); United Popular Alliance or APU; United Social Democratic Party or PUSD [Francisco FADUL] |