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 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
800-member election committee for the chief executive drawn from
broad sectoral groupings, central government bodies, and municipal
organizations

Hungary
18 years of age; universal

Iceland
18 years of age; universal

India
18 years of age; universal

Indonesia
17 years of age; universal and married persons regardless
of age

Iran
18 years of age; universal

Iraq
18 years of age; universal