Guernsey
18 years of age; universal
Guinea
18 years of age; universal
Guinea-Bissau
18 years of age; universal
Guyana
18 years of age; universal
Haiti
18 years of age; universal
Holy See (Vatican City)
limited to cardinals less than 80 years old
Honduras
18 years of age; universal and compulsory
Hong Kong
direct election 18 years of age; universal for permanent
residents living in the territory of Hong Kong for the past seven
years; indirect election limited to about 100,000 members of
functional constituencies and an 800-member election committee drawn
from broad regional groupings, municipal organizations, and central
government bodies
Hungary
18 years of age; universal
Iceland
18 years of age; universal