| Rank | Country | Suffrage |
| Gaza Strip | void |
89 | Georgia | 18 years of age; universal |
90 | Germany | 18 years of age; universal |
91 | Ghana | 18 years of age; universal |
92 | Gibraltar | 18 years of age; universal; and British citizens who have been residents six months or more |
93 | Greece | 18 years of age; universal and compulsory |
94 | Greenland | 18 years of age; universal |
95 | Grenada | 18 years of age; universal |
96 | Guam | 18 years of age; universal; US citizens but do not vote in US presidential elections |
97 | Guatemala | 18 years of age; universal; note - active duty members of the armed forces may not vote and are restricted to their barracks on election day |
227 | Guernsey | 16 years of age; universal |
98 | Guinea | 18 years of age; universal |
99 | Guinea-Bissau | 18 years of age; universal |
100 | Guyana | 18 years of age; universal |
101 | Haiti | 18 years of age; universal |
| Heard Island and McDonald Islands | void |
1 | Holy See (Vatican City) | limited to cardinals less than 80 years old |
102 | Honduras | 18 years of age; universal and compulsory |
103 | Hong Kong | direct election - 18 years of age for half the legislature and a majority of seats in 18 district councils; universal for permanent residents living in the territory of Hong Kong for the past seven years indirect election - limited to about 220,000 members of functional constituencies for the other half of the legislature and an 1,200-member election committee for the chief executive drawn from broad sectoral groupings, central government bodies, municipal organizations, and elected Hong Kong officials |
104 | Hungary | 18 years of age; universal |